Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 1 | //===-- AsmPrinter.cpp - Common AsmPrinter code ---------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 4ee451d | 2007-12-29 20:36:04 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file implements the AsmPrinter class. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
Evan Cheng | 932f022 | 2006-03-03 02:04:29 +0000 | [diff] [blame] | 14 | #include "llvm/CodeGen/AsmPrinter.h" |
Evan Cheng | 246ae0d | 2006-03-01 22:18:09 +0000 | [diff] [blame] | 15 | #include "llvm/Assembly/Writer.h" |
Nate Begeman | 8cfa57b | 2005-12-06 06:18:55 +0000 | [diff] [blame] | 16 | #include "llvm/DerivedTypes.h" |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 17 | #include "llvm/Constants.h" |
Chris Lattner | 450de39 | 2005-11-10 18:36:17 +0000 | [diff] [blame] | 18 | #include "llvm/Module.h" |
Gordon Henriksen | 5eca075 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 19 | #include "llvm/CodeGen/GCMetadataPrinter.h" |
Chris Lattner | 3b4fd32 | 2005-11-21 08:25:09 +0000 | [diff] [blame] | 20 | #include "llvm/CodeGen/MachineConstantPool.h" |
David Greene | fe37ab3 | 2009-08-18 19:22:55 +0000 | [diff] [blame] | 21 | #include "llvm/CodeGen/MachineFunction.h" |
Nate Begeman | 37efe67 | 2006-04-22 18:53:45 +0000 | [diff] [blame] | 22 | #include "llvm/CodeGen/MachineJumpTableInfo.h" |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 23 | #include "llvm/CodeGen/MachineLoopInfo.h" |
Chris Lattner | 84bc542 | 2007-12-31 04:13:23 +0000 | [diff] [blame] | 24 | #include "llvm/CodeGen/MachineModuleInfo.h" |
Devang Patel | c48c550 | 2009-01-13 21:44:10 +0000 | [diff] [blame] | 25 | #include "llvm/CodeGen/DwarfWriter.h" |
Argyrios Kyrtzidis | cd76240 | 2009-05-07 13:55:51 +0000 | [diff] [blame] | 26 | #include "llvm/Analysis/DebugInfo.h" |
Chris Lattner | 2b2954f | 2009-07-27 21:28:04 +0000 | [diff] [blame] | 27 | #include "llvm/MC/MCContext.h" |
David Greene | 3ac1ab8 | 2009-07-16 22:24:20 +0000 | [diff] [blame] | 28 | #include "llvm/MC/MCInst.h" |
Chris Lattner | a87dea4 | 2009-07-31 18:48:30 +0000 | [diff] [blame] | 29 | #include "llvm/MC/MCSection.h" |
| 30 | #include "llvm/MC/MCStreamer.h" |
Chris Lattner | 7cb384d | 2009-09-12 23:02:08 +0000 | [diff] [blame] | 31 | #include "llvm/MC/MCSymbol.h" |
Evan Cheng | 42bf74b | 2009-03-25 01:47:28 +0000 | [diff] [blame] | 32 | #include "llvm/Support/CommandLine.h" |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 33 | #include "llvm/Support/ErrorHandling.h" |
David Greene | 014700c | 2009-07-13 20:25:48 +0000 | [diff] [blame] | 34 | #include "llvm/Support/FormattedStream.h" |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 35 | #include "llvm/Support/Mangler.h" |
Chris Lattner | af76e59 | 2009-08-22 20:48:53 +0000 | [diff] [blame] | 36 | #include "llvm/MC/MCAsmInfo.h" |
Owen Anderson | 07000c6 | 2006-05-12 06:33:49 +0000 | [diff] [blame] | 37 | #include "llvm/Target/TargetData.h" |
Chris Lattner | 0336fdb | 2006-10-06 22:50:56 +0000 | [diff] [blame] | 38 | #include "llvm/Target/TargetLowering.h" |
Chris Lattner | f014412 | 2009-07-28 03:13:23 +0000 | [diff] [blame] | 39 | #include "llvm/Target/TargetLoweringObjectFile.h" |
Evan Cheng | 6547e40 | 2008-07-01 23:18:29 +0000 | [diff] [blame] | 40 | #include "llvm/Target/TargetOptions.h" |
Evan Cheng | da47e6e | 2008-03-15 00:03:38 +0000 | [diff] [blame] | 41 | #include "llvm/Target/TargetRegisterInfo.h" |
Evan Cheng | cc41586 | 2007-11-09 01:32:10 +0000 | [diff] [blame] | 42 | #include "llvm/ADT/SmallPtrSet.h" |
Chris Lattner | fad86b0 | 2008-08-17 07:19:36 +0000 | [diff] [blame] | 43 | #include "llvm/ADT/SmallString.h" |
Owen Anderson | cb37188 | 2008-08-21 00:14:44 +0000 | [diff] [blame] | 44 | #include "llvm/ADT/StringExtras.h" |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 45 | #include <cerrno> |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 46 | using namespace llvm; |
| 47 | |
Evan Cheng | 42bf74b | 2009-03-25 01:47:28 +0000 | [diff] [blame] | 48 | static cl::opt<cl::boolOrDefault> |
| 49 | AsmVerbose("asm-verbose", cl::desc("Add comments to directives."), |
| 50 | cl::init(cl::BOU_UNSET)); |
| 51 | |
Devang Patel | 1997473 | 2007-05-03 01:11:54 +0000 | [diff] [blame] | 52 | char AsmPrinter::ID = 0; |
David Greene | 7184781 | 2009-07-14 20:18:05 +0000 | [diff] [blame] | 53 | AsmPrinter::AsmPrinter(formatted_raw_ostream &o, TargetMachine &tm, |
Chris Lattner | af76e59 | 2009-08-22 20:48:53 +0000 | [diff] [blame] | 54 | const MCAsmInfo *T, bool VDef) |
Daniel Dunbar | 5bcc8bd | 2009-07-01 01:48:54 +0000 | [diff] [blame] | 55 | : MachineFunctionPass(&ID), FunctionNumber(0), O(o), |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 56 | TM(tm), MAI(T), TRI(tm.getRegisterInfo()), |
Chris Lattner | 2b2954f | 2009-07-27 21:28:04 +0000 | [diff] [blame] | 57 | |
| 58 | OutContext(*new MCContext()), |
Chris Lattner | f3ce009 | 2009-08-17 04:23:44 +0000 | [diff] [blame] | 59 | OutStreamer(*createAsmStreamer(OutContext, O, *T, this)), |
Chris Lattner | 2b2954f | 2009-07-27 21:28:04 +0000 | [diff] [blame] | 60 | |
Chris Lattner | 290c2f5 | 2009-08-03 23:20:21 +0000 | [diff] [blame] | 61 | LastMI(0), LastFn(0), Counter(~0U), |
Owen Anderson | a8dbf36 | 2009-06-25 16:55:32 +0000 | [diff] [blame] | 62 | PrevDLT(0, ~0U, ~0U) { |
Chris Lattner | 0de1fc4 | 2009-06-24 19:09:55 +0000 | [diff] [blame] | 63 | DW = 0; MMI = 0; |
Evan Cheng | 42bf74b | 2009-03-25 01:47:28 +0000 | [diff] [blame] | 64 | switch (AsmVerbose) { |
| 65 | case cl::BOU_UNSET: VerboseAsm = VDef; break; |
| 66 | case cl::BOU_TRUE: VerboseAsm = true; break; |
| 67 | case cl::BOU_FALSE: VerboseAsm = false; break; |
| 68 | } |
| 69 | } |
Chris Lattner | ed13893 | 2005-12-13 06:32:10 +0000 | [diff] [blame] | 70 | |
Gordon Henriksen | c317a60 | 2008-08-17 12:08:44 +0000 | [diff] [blame] | 71 | AsmPrinter::~AsmPrinter() { |
| 72 | for (gcp_iterator I = GCMetadataPrinters.begin(), |
| 73 | E = GCMetadataPrinters.end(); I != E; ++I) |
| 74 | delete I->second; |
Chris Lattner | 2b2954f | 2009-07-27 21:28:04 +0000 | [diff] [blame] | 75 | |
| 76 | delete &OutStreamer; |
| 77 | delete &OutContext; |
Gordon Henriksen | c317a60 | 2008-08-17 12:08:44 +0000 | [diff] [blame] | 78 | } |
Chris Lattner | ed13893 | 2005-12-13 06:32:10 +0000 | [diff] [blame] | 79 | |
Chris Lattner | 38c3988 | 2009-08-03 19:12:26 +0000 | [diff] [blame] | 80 | TargetLoweringObjectFile &AsmPrinter::getObjFileLowering() const { |
Chris Lattner | f014412 | 2009-07-28 03:13:23 +0000 | [diff] [blame] | 81 | return TM.getTargetLowering()->getObjFileLowering(); |
| 82 | } |
| 83 | |
Chris Lattner | dabf07c | 2009-08-18 06:15:16 +0000 | [diff] [blame] | 84 | /// getCurrentSection() - Return the current section we are emitting to. |
| 85 | const MCSection *AsmPrinter::getCurrentSection() const { |
| 86 | return OutStreamer.getCurrentSection(); |
| 87 | } |
| 88 | |
| 89 | |
Gordon Henriksen | ce22477 | 2008-01-07 01:30:38 +0000 | [diff] [blame] | 90 | void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const { |
Dan Gohman | 845012e | 2009-07-31 23:37:33 +0000 | [diff] [blame] | 91 | AU.setPreservesAll(); |
Gordon Henriksen | ce22477 | 2008-01-07 01:30:38 +0000 | [diff] [blame] | 92 | MachineFunctionPass::getAnalysisUsage(AU); |
Gordon Henriksen | 5eca075 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 93 | AU.addRequired<GCModuleInfo>(); |
David Greene | fe37ab3 | 2009-08-18 19:22:55 +0000 | [diff] [blame] | 94 | if (VerboseAsm) |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 95 | AU.addRequired<MachineLoopInfo>(); |
Gordon Henriksen | ce22477 | 2008-01-07 01:30:38 +0000 | [diff] [blame] | 96 | } |
| 97 | |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 98 | bool AsmPrinter::doInitialization(Module &M) { |
Chris Lattner | f26e03b | 2009-07-31 17:42:42 +0000 | [diff] [blame] | 99 | // Initialize TargetLoweringObjectFile. |
| 100 | const_cast<TargetLoweringObjectFile&>(getObjFileLowering()) |
| 101 | .Initialize(OutContext, TM); |
| 102 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 103 | Mang = new Mangler(M, MAI->getGlobalPrefix(), MAI->getPrivateGlobalPrefix(), |
| 104 | MAI->getLinkerPrivateGlobalPrefix()); |
Chris Lattner | 2c1b159 | 2006-01-23 23:47:53 +0000 | [diff] [blame] | 105 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 106 | if (MAI->doesAllowQuotesInName()) |
Chris Lattner | a93ca92 | 2009-06-18 23:41:35 +0000 | [diff] [blame] | 107 | Mang->setUseQuotes(true); |
| 108 | |
Duncan Sands | 1465d61 | 2009-01-28 13:14:17 +0000 | [diff] [blame] | 109 | GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>(); |
Gordon Henriksen | 5eca075 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 110 | assert(MI && "AsmPrinter didn't require GCModuleInfo?"); |
Rafael Espindola | 952b839 | 2008-12-03 11:01:37 +0000 | [diff] [blame] | 111 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 112 | if (MAI->hasSingleParameterDotFile()) { |
Rafael Espindola | 952b839 | 2008-12-03 11:01:37 +0000 | [diff] [blame] | 113 | /* Very minimal debug info. It is ignored if we emit actual |
| 114 | debug info. If we don't, this at helps the user find where |
| 115 | a function came from. */ |
| 116 | O << "\t.file\t\"" << M.getModuleIdentifier() << "\"\n"; |
| 117 | } |
| 118 | |
Gordon Henriksen | 5eca075 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 119 | for (GCModuleInfo::iterator I = MI->begin(), E = MI->end(); I != E; ++I) |
| 120 | if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*I)) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 121 | MP->beginAssembly(O, *this, *MAI); |
Gordon Henriksen | ce22477 | 2008-01-07 01:30:38 +0000 | [diff] [blame] | 122 | |
Chris Lattner | 3e2fa7a | 2006-01-24 04:16:34 +0000 | [diff] [blame] | 123 | if (!M.getModuleInlineAsm().empty()) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 124 | O << MAI->getCommentString() << " Start of file scope inline assembly\n" |
Chris Lattner | 3e2fa7a | 2006-01-24 04:16:34 +0000 | [diff] [blame] | 125 | << M.getModuleInlineAsm() |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 126 | << '\n' << MAI->getCommentString() |
Jim Laskey | 563321a | 2006-09-06 18:34:40 +0000 | [diff] [blame] | 127 | << " End of file scope inline assembly\n"; |
Chris Lattner | 2c1b159 | 2006-01-23 23:47:53 +0000 | [diff] [blame] | 128 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 129 | if (MAI->doesSupportDebugInformation() || |
| 130 | MAI->doesSupportExceptionHandling()) { |
Chris Lattner | 0de1fc4 | 2009-06-24 19:09:55 +0000 | [diff] [blame] | 131 | MMI = getAnalysisIfAvailable<MachineModuleInfo>(); |
| 132 | if (MMI) |
Devang Patel | 14a55d9 | 2009-06-19 21:54:26 +0000 | [diff] [blame] | 133 | MMI->AnalyzeModule(M); |
Chris Lattner | 0de1fc4 | 2009-06-24 19:09:55 +0000 | [diff] [blame] | 134 | DW = getAnalysisIfAvailable<DwarfWriter>(); |
| 135 | if (DW) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 136 | DW->BeginModule(&M, MMI, O, this, MAI); |
Devang Patel | 14a55d9 | 2009-06-19 21:54:26 +0000 | [diff] [blame] | 137 | } |
| 138 | |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 139 | return false; |
| 140 | } |
| 141 | |
| 142 | bool AsmPrinter::doFinalization(Module &M) { |
Chris Lattner | 40bbebd | 2009-07-21 18:38:57 +0000 | [diff] [blame] | 143 | // Emit global variables. |
| 144 | for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); |
| 145 | I != E; ++I) |
| 146 | PrintGlobalVariable(I); |
| 147 | |
Chris Lattner | 1f522fe | 2009-06-24 18:54:37 +0000 | [diff] [blame] | 148 | // Emit final debug information. |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 149 | if (MAI->doesSupportDebugInformation() || MAI->doesSupportExceptionHandling()) |
Chris Lattner | 1f522fe | 2009-06-24 18:54:37 +0000 | [diff] [blame] | 150 | DW->EndModule(); |
| 151 | |
Chris Lattner | 0a7befa | 2009-06-24 18:52:01 +0000 | [diff] [blame] | 152 | // If the target wants to know about weak references, print them all. |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 153 | if (MAI->getWeakRefDirective()) { |
Chris Lattner | 0a7befa | 2009-06-24 18:52:01 +0000 | [diff] [blame] | 154 | // FIXME: This is not lazy, it would be nice to only print weak references |
| 155 | // to stuff that is actually used. Note that doing so would require targets |
| 156 | // to notice uses in operands (due to constant exprs etc). This should |
| 157 | // happen with the MC stuff eventually. |
Rafael Espindola | 15404d0 | 2006-12-18 03:37:18 +0000 | [diff] [blame] | 158 | |
Chris Lattner | 0a7befa | 2009-06-24 18:52:01 +0000 | [diff] [blame] | 159 | // Print out module-level global variables here. |
| 160 | for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); |
| 161 | I != E; ++I) { |
| 162 | if (I->hasExternalWeakLinkage()) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 163 | O << MAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n'; |
Chris Lattner | 0a7befa | 2009-06-24 18:52:01 +0000 | [diff] [blame] | 164 | } |
| 165 | |
Chris Lattner | c6fdced | 2009-08-03 23:10:34 +0000 | [diff] [blame] | 166 | for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I) { |
Chris Lattner | 0a7befa | 2009-06-24 18:52:01 +0000 | [diff] [blame] | 167 | if (I->hasExternalWeakLinkage()) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 168 | O << MAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n'; |
Chris Lattner | 0a7befa | 2009-06-24 18:52:01 +0000 | [diff] [blame] | 169 | } |
Rafael Espindola | 15404d0 | 2006-12-18 03:37:18 +0000 | [diff] [blame] | 170 | } |
| 171 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 172 | if (MAI->getSetDirective()) { |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 173 | O << '\n'; |
Anton Korobeynikov | 8b0a8c8 | 2007-04-25 14:27:10 +0000 | [diff] [blame] | 174 | for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end(); |
Chris Lattner | 0a7befa | 2009-06-24 18:52:01 +0000 | [diff] [blame] | 175 | I != E; ++I) { |
Chris Lattner | b8158ac | 2009-07-14 18:17:16 +0000 | [diff] [blame] | 176 | std::string Name = Mang->getMangledName(I); |
Anton Korobeynikov | 325be7c | 2007-09-06 17:21:48 +0000 | [diff] [blame] | 177 | |
| 178 | const GlobalValue *GV = cast<GlobalValue>(I->getAliasedGlobal()); |
Chris Lattner | b8158ac | 2009-07-14 18:17:16 +0000 | [diff] [blame] | 179 | std::string Target = Mang->getMangledName(GV); |
Anton Korobeynikov | 541af7f | 2008-09-24 22:21:04 +0000 | [diff] [blame] | 180 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 181 | if (I->hasExternalLinkage() || !MAI->getWeakRefDirective()) |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 182 | O << "\t.globl\t" << Name << '\n'; |
Anton Korobeynikov | 8b0a8c8 | 2007-04-25 14:27:10 +0000 | [diff] [blame] | 183 | else if (I->hasWeakLinkage()) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 184 | O << MAI->getWeakRefDirective() << Name << '\n'; |
Rafael Espindola | bb46f52 | 2009-01-15 20:18:42 +0000 | [diff] [blame] | 185 | else if (!I->hasLocalLinkage()) |
Torok Edwin | c23197a | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 186 | llvm_unreachable("Invalid alias linkage"); |
Anton Korobeynikov | 22c9e65 | 2008-03-11 21:41:14 +0000 | [diff] [blame] | 187 | |
Anton Korobeynikov | 541af7f | 2008-09-24 22:21:04 +0000 | [diff] [blame] | 188 | printVisibility(Name, I->getVisibility()); |
Anton Korobeynikov | 22c9e65 | 2008-03-11 21:41:14 +0000 | [diff] [blame] | 189 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 190 | O << MAI->getSetDirective() << ' ' << Name << ", " << Target << '\n'; |
Anton Korobeynikov | 8b0a8c8 | 2007-04-25 14:27:10 +0000 | [diff] [blame] | 191 | } |
| 192 | } |
| 193 | |
Duncan Sands | 1465d61 | 2009-01-28 13:14:17 +0000 | [diff] [blame] | 194 | GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>(); |
Gordon Henriksen | 5eca075 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 195 | assert(MI && "AsmPrinter didn't require GCModuleInfo?"); |
| 196 | for (GCModuleInfo::iterator I = MI->end(), E = MI->begin(); I != E; ) |
| 197 | if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*--I)) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 198 | MP->finishAssembly(O, *this, *MAI); |
Gordon Henriksen | ce22477 | 2008-01-07 01:30:38 +0000 | [diff] [blame] | 199 | |
Dan Gohman | a779a98 | 2008-05-05 00:28:39 +0000 | [diff] [blame] | 200 | // If we don't have any trampolines, then we don't require stack memory |
| 201 | // to be executable. Some targets have a directive to declare this. |
Chris Lattner | 0a7befa | 2009-06-24 18:52:01 +0000 | [diff] [blame] | 202 | Function *InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline"); |
Dan Gohman | a779a98 | 2008-05-05 00:28:39 +0000 | [diff] [blame] | 203 | if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty()) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 204 | if (MAI->getNonexecutableStackDirective()) |
| 205 | O << MAI->getNonexecutableStackDirective() << '\n'; |
Dan Gohman | a779a98 | 2008-05-05 00:28:39 +0000 | [diff] [blame] | 206 | |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 207 | delete Mang; Mang = 0; |
Chris Lattner | 0de1fc4 | 2009-06-24 19:09:55 +0000 | [diff] [blame] | 208 | DW = 0; MMI = 0; |
Chris Lattner | 2b2954f | 2009-07-27 21:28:04 +0000 | [diff] [blame] | 209 | |
| 210 | OutStreamer.Finish(); |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 211 | return false; |
| 212 | } |
| 213 | |
Chris Lattner | e2cf37b | 2009-07-17 20:46:40 +0000 | [diff] [blame] | 214 | std::string |
| 215 | AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF) const { |
Bill Wendling | 6e19896 | 2007-09-18 01:47:22 +0000 | [diff] [blame] | 216 | assert(MF && "No machine function?"); |
Chris Lattner | e2cf37b | 2009-07-17 20:46:40 +0000 | [diff] [blame] | 217 | return Mang->getMangledName(MF->getFunction(), ".eh", |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 218 | MAI->is_EHSymbolPrivate()); |
Bill Wendling | 6e19896 | 2007-09-18 01:47:22 +0000 | [diff] [blame] | 219 | } |
| 220 | |
Chris Lattner | 25045bd | 2005-11-21 07:51:36 +0000 | [diff] [blame] | 221 | void AsmPrinter::SetupMachineFunction(MachineFunction &MF) { |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 222 | // What's my mangled name? |
Chris Lattner | b8158ac | 2009-07-14 18:17:16 +0000 | [diff] [blame] | 223 | CurrentFnName = Mang->getMangledName(MF.getFunction()); |
Evan Cheng | 347d39f | 2007-10-14 05:57:21 +0000 | [diff] [blame] | 224 | IncrementFunctionNumber(); |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 225 | |
David Greene | fe37ab3 | 2009-08-18 19:22:55 +0000 | [diff] [blame] | 226 | if (VerboseAsm) { |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 227 | LI = &getAnalysis<MachineLoopInfo>(); |
| 228 | } |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 229 | } |
| 230 | |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 231 | namespace { |
| 232 | // SectionCPs - Keep track the alignment, constpool entries per Section. |
| 233 | struct SectionCPs { |
Chris Lattner | a87dea4 | 2009-07-31 18:48:30 +0000 | [diff] [blame] | 234 | const MCSection *S; |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 235 | unsigned Alignment; |
| 236 | SmallVector<unsigned, 4> CPEs; |
Chris Lattner | a87dea4 | 2009-07-31 18:48:30 +0000 | [diff] [blame] | 237 | SectionCPs(const MCSection *s, unsigned a) : S(s), Alignment(a) {}; |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 238 | }; |
| 239 | } |
| 240 | |
Chris Lattner | 3b4fd32 | 2005-11-21 08:25:09 +0000 | [diff] [blame] | 241 | /// EmitConstantPool - Print to the current output stream assembly |
| 242 | /// representations of the constants in the constant pool MCP. This is |
| 243 | /// used to print out constants which have been "spilled to memory" by |
| 244 | /// the code generator. |
| 245 | /// |
| 246 | void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) { |
Chris Lattner | fa77d43 | 2006-02-09 04:22:52 +0000 | [diff] [blame] | 247 | const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants(); |
Chris Lattner | 3b4fd32 | 2005-11-21 08:25:09 +0000 | [diff] [blame] | 248 | if (CP.empty()) return; |
Evan Cheng | 2d2cec1 | 2006-06-29 00:26:09 +0000 | [diff] [blame] | 249 | |
Anton Korobeynikov | 088ae83 | 2008-09-24 22:17:59 +0000 | [diff] [blame] | 250 | // Calculate sections for constant pool entries. We collect entries to go into |
| 251 | // the same section together to reduce amount of section switch statements. |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 252 | SmallVector<SectionCPs, 4> CPSections; |
Chris Lattner | 3b4fd32 | 2005-11-21 08:25:09 +0000 | [diff] [blame] | 253 | for (unsigned i = 0, e = CP.size(); i != e; ++i) { |
Chris Lattner | 298414e | 2009-07-22 00:28:43 +0000 | [diff] [blame] | 254 | const MachineConstantPoolEntry &CPE = CP[i]; |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 255 | unsigned Align = CPE.getAlignment(); |
Chris Lattner | 5c2f789 | 2009-07-26 06:26:55 +0000 | [diff] [blame] | 256 | |
| 257 | SectionKind Kind; |
| 258 | switch (CPE.getRelocationInfo()) { |
| 259 | default: llvm_unreachable("Unknown section kind"); |
Chris Lattner | 2798119 | 2009-08-01 23:57:16 +0000 | [diff] [blame] | 260 | case 2: Kind = SectionKind::getReadOnlyWithRel(); break; |
Chris Lattner | 4c50922 | 2009-07-26 07:00:12 +0000 | [diff] [blame] | 261 | case 1: |
Chris Lattner | 2798119 | 2009-08-01 23:57:16 +0000 | [diff] [blame] | 262 | Kind = SectionKind::getReadOnlyWithRelLocal(); |
Chris Lattner | 4c50922 | 2009-07-26 07:00:12 +0000 | [diff] [blame] | 263 | break; |
Chris Lattner | 5c2f789 | 2009-07-26 06:26:55 +0000 | [diff] [blame] | 264 | case 0: |
Chris Lattner | 4c50922 | 2009-07-26 07:00:12 +0000 | [diff] [blame] | 265 | switch (TM.getTargetData()->getTypeAllocSize(CPE.getType())) { |
Chris Lattner | 2798119 | 2009-08-01 23:57:16 +0000 | [diff] [blame] | 266 | case 4: Kind = SectionKind::getMergeableConst4(); break; |
| 267 | case 8: Kind = SectionKind::getMergeableConst8(); break; |
| 268 | case 16: Kind = SectionKind::getMergeableConst16();break; |
| 269 | default: Kind = SectionKind::getMergeableConst(); break; |
Chris Lattner | 4c50922 | 2009-07-26 07:00:12 +0000 | [diff] [blame] | 270 | } |
Chris Lattner | 5c2f789 | 2009-07-26 06:26:55 +0000 | [diff] [blame] | 271 | } |
| 272 | |
Chris Lattner | 83d77fa | 2009-08-01 23:46:12 +0000 | [diff] [blame] | 273 | const MCSection *S = getObjFileLowering().getSectionForConstant(Kind); |
Chris Lattner | 298414e | 2009-07-22 00:28:43 +0000 | [diff] [blame] | 274 | |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 275 | // The number of sections are small, just do a linear search from the |
| 276 | // last section to the first. |
| 277 | bool Found = false; |
| 278 | unsigned SecIdx = CPSections.size(); |
| 279 | while (SecIdx != 0) { |
| 280 | if (CPSections[--SecIdx].S == S) { |
| 281 | Found = true; |
| 282 | break; |
| 283 | } |
| 284 | } |
| 285 | if (!Found) { |
| 286 | SecIdx = CPSections.size(); |
| 287 | CPSections.push_back(SectionCPs(S, Align)); |
| 288 | } |
| 289 | |
| 290 | if (Align > CPSections[SecIdx].Alignment) |
| 291 | CPSections[SecIdx].Alignment = Align; |
| 292 | CPSections[SecIdx].CPEs.push_back(i); |
Evan Cheng | 2d2cec1 | 2006-06-29 00:26:09 +0000 | [diff] [blame] | 293 | } |
| 294 | |
Anton Korobeynikov | 088ae83 | 2008-09-24 22:17:59 +0000 | [diff] [blame] | 295 | // Now print stuff into the calculated sections. |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 296 | for (unsigned i = 0, e = CPSections.size(); i != e; ++i) { |
Chris Lattner | 6c2f9e1 | 2009-08-19 05:49:37 +0000 | [diff] [blame] | 297 | OutStreamer.SwitchSection(CPSections[i].S); |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 298 | EmitAlignment(Log2_32(CPSections[i].Alignment)); |
Evan Cheng | 2d2cec1 | 2006-06-29 00:26:09 +0000 | [diff] [blame] | 299 | |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 300 | unsigned Offset = 0; |
| 301 | for (unsigned j = 0, ee = CPSections[i].CPEs.size(); j != ee; ++j) { |
| 302 | unsigned CPI = CPSections[i].CPEs[j]; |
| 303 | MachineConstantPoolEntry CPE = CP[CPI]; |
Anton Korobeynikov | 088ae83 | 2008-09-24 22:17:59 +0000 | [diff] [blame] | 304 | |
Chris Lattner | 3029f92 | 2006-02-09 04:46:04 +0000 | [diff] [blame] | 305 | // Emit inter-object padding for alignment. |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 306 | unsigned AlignMask = CPE.getAlignment() - 1; |
| 307 | unsigned NewOffset = (Offset + AlignMask) & ~AlignMask; |
| 308 | EmitZeros(NewOffset - Offset); |
| 309 | |
| 310 | const Type *Ty = CPE.getType(); |
Duncan Sands | 777d230 | 2009-05-09 07:06:46 +0000 | [diff] [blame] | 311 | Offset = NewOffset + TM.getTargetData()->getTypeAllocSize(Ty); |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 312 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 313 | O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_' |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 314 | << CPI << ':'; |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 315 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 316 | O.PadToColumn(MAI->getCommentColumn()); |
| 317 | O << MAI->getCommentString() << " constant "; |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 318 | WriteTypeSymbolic(O, CPE.getType(), MF->getFunction()->getParent()); |
Anton Korobeynikov | 088ae83 | 2008-09-24 22:17:59 +0000 | [diff] [blame] | 319 | } |
Evan Cheng | 1606e8e | 2009-03-13 07:51:59 +0000 | [diff] [blame] | 320 | O << '\n'; |
| 321 | if (CPE.isMachineConstantPoolEntry()) |
| 322 | EmitMachineConstantPoolValue(CPE.Val.MachineCPVal); |
| 323 | else |
| 324 | EmitGlobalConstant(CPE.Val.ConstVal); |
Chris Lattner | 3029f92 | 2006-02-09 04:46:04 +0000 | [diff] [blame] | 325 | } |
Chris Lattner | 3b4fd32 | 2005-11-21 08:25:09 +0000 | [diff] [blame] | 326 | } |
| 327 | } |
| 328 | |
Nate Begeman | 37efe67 | 2006-04-22 18:53:45 +0000 | [diff] [blame] | 329 | /// EmitJumpTableInfo - Print assembly representations of the jump tables used |
| 330 | /// by the current function to the current output stream. |
| 331 | /// |
Chris Lattner | 1da31ee | 2006-10-05 03:01:21 +0000 | [diff] [blame] | 332 | void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI, |
| 333 | MachineFunction &MF) { |
Nate Begeman | 37efe67 | 2006-04-22 18:53:45 +0000 | [diff] [blame] | 334 | const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables(); |
| 335 | if (JT.empty()) return; |
Anton Korobeynikov | 9de1934 | 2007-11-14 09:18:41 +0000 | [diff] [blame] | 336 | |
Jim Laskey | acd80ac | 2006-12-14 19:17:33 +0000 | [diff] [blame] | 337 | bool IsPic = TM.getRelocationModel() == Reloc::PIC_; |
Nate Begeman | 4d9bbdc | 2006-07-27 16:46:58 +0000 | [diff] [blame] | 338 | |
Nate Begeman | 2f1ae88 | 2006-07-27 01:13:04 +0000 | [diff] [blame] | 339 | // Pick the directive to use to print the jump table entries, and switch to |
| 340 | // the appropriate section. |
Jim Laskey | acd80ac | 2006-12-14 19:17:33 +0000 | [diff] [blame] | 341 | TargetLowering *LoweringInfo = TM.getTargetLowering(); |
Anton Korobeynikov | 24287dd | 2006-12-19 21:04:20 +0000 | [diff] [blame] | 342 | |
Anton Korobeynikov | e87f52d | 2008-07-09 13:27:16 +0000 | [diff] [blame] | 343 | const Function *F = MF.getFunction(); |
Evan Cheng | b13bafe | 2009-06-18 20:37:15 +0000 | [diff] [blame] | 344 | bool JTInDiffSection = false; |
Chris Lattner | 83d77fa | 2009-08-01 23:46:12 +0000 | [diff] [blame] | 345 | if (F->isWeakForLinker() || |
| 346 | (IsPic && !LoweringInfo->usesGlobalOffsetTable())) { |
Jim Laskey | acd80ac | 2006-12-14 19:17:33 +0000 | [diff] [blame] | 347 | // In PIC mode, we need to emit the jump table to the same section as the |
| 348 | // function body itself, otherwise the label differences won't make sense. |
Anton Korobeynikov | e87f52d | 2008-07-09 13:27:16 +0000 | [diff] [blame] | 349 | // We should also do if the section name is NULL or function is declared in |
| 350 | // discardable section. |
Chris Lattner | 6c2f9e1 | 2009-08-19 05:49:37 +0000 | [diff] [blame] | 351 | OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, |
| 352 | TM)); |
Nate Begeman | 2f1ae88 | 2006-07-27 01:13:04 +0000 | [diff] [blame] | 353 | } else { |
Chris Lattner | 83d77fa | 2009-08-01 23:46:12 +0000 | [diff] [blame] | 354 | // Otherwise, drop it in the readonly section. |
| 355 | const MCSection *ReadOnlySection = |
Chris Lattner | 2798119 | 2009-08-01 23:57:16 +0000 | [diff] [blame] | 356 | getObjFileLowering().getSectionForConstant(SectionKind::getReadOnly()); |
Chris Lattner | 6c2f9e1 | 2009-08-19 05:49:37 +0000 | [diff] [blame] | 357 | OutStreamer.SwitchSection(ReadOnlySection); |
Evan Cheng | b13bafe | 2009-06-18 20:37:15 +0000 | [diff] [blame] | 358 | JTInDiffSection = true; |
Nate Begeman | 2f1ae88 | 2006-07-27 01:13:04 +0000 | [diff] [blame] | 359 | } |
Jim Laskey | acd80ac | 2006-12-14 19:17:33 +0000 | [diff] [blame] | 360 | |
| 361 | EmitAlignment(Log2_32(MJTI->getAlignment())); |
Chris Lattner | 0c4e678 | 2006-07-15 01:34:12 +0000 | [diff] [blame] | 362 | |
Nate Begeman | 37efe67 | 2006-04-22 18:53:45 +0000 | [diff] [blame] | 363 | for (unsigned i = 0, e = JT.size(); i != e; ++i) { |
Nate Begeman | 52a51e38 | 2006-08-12 21:29:52 +0000 | [diff] [blame] | 364 | const std::vector<MachineBasicBlock*> &JTBBs = JT[i].MBBs; |
Chris Lattner | 0737188 | 2006-10-28 18:10:06 +0000 | [diff] [blame] | 365 | |
| 366 | // If this jump table was deleted, ignore it. |
| 367 | if (JTBBs.empty()) continue; |
Nate Begeman | 52a51e38 | 2006-08-12 21:29:52 +0000 | [diff] [blame] | 368 | |
| 369 | // For PIC codegen, if possible we want to use the SetDirective to reduce |
| 370 | // the number of relocations the assembler will generate for the jump table. |
| 371 | // Set directives are all printed before the jump table itself. |
Evan Cheng | cc41586 | 2007-11-09 01:32:10 +0000 | [diff] [blame] | 372 | SmallPtrSet<MachineBasicBlock*, 16> EmittedSets; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 373 | if (MAI->getSetDirective() && IsPic) |
Nate Begeman | 52a51e38 | 2006-08-12 21:29:52 +0000 | [diff] [blame] | 374 | for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) |
Evan Cheng | cc41586 | 2007-11-09 01:32:10 +0000 | [diff] [blame] | 375 | if (EmittedSets.insert(JTBBs[ii])) |
| 376 | printPICJumpTableSetLabel(i, JTBBs[ii]); |
Nate Begeman | 52a51e38 | 2006-08-12 21:29:52 +0000 | [diff] [blame] | 377 | |
Chris Lattner | 393a8ee | 2007-01-18 01:12:56 +0000 | [diff] [blame] | 378 | // On some targets (e.g. darwin) we want to emit two consequtive labels |
| 379 | // before each jump table. The first label is never referenced, but tells |
| 380 | // the assembler and linker the extents of the jump table object. The |
| 381 | // second label is actually referenced by the code. |
Evan Cheng | b13bafe | 2009-06-18 20:37:15 +0000 | [diff] [blame] | 382 | if (JTInDiffSection) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 383 | if (const char *JTLabelPrefix = MAI->getJumpTableSpecialLabelPrefix()) |
Evan Cheng | b13bafe | 2009-06-18 20:37:15 +0000 | [diff] [blame] | 384 | O << JTLabelPrefix << "JTI" << getFunctionNumber() << '_' << i << ":\n"; |
| 385 | } |
Chris Lattner | 393a8ee | 2007-01-18 01:12:56 +0000 | [diff] [blame] | 386 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 387 | O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() |
Evan Cheng | 347d39f | 2007-10-14 05:57:21 +0000 | [diff] [blame] | 388 | << '_' << i << ":\n"; |
Nate Begeman | 52a51e38 | 2006-08-12 21:29:52 +0000 | [diff] [blame] | 389 | |
Nate Begeman | 37efe67 | 2006-04-22 18:53:45 +0000 | [diff] [blame] | 390 | for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) { |
Anton Korobeynikov | 9de1934 | 2007-11-14 09:18:41 +0000 | [diff] [blame] | 391 | printPICJumpTableEntry(MJTI, JTBBs[ii], i); |
Nate Begeman | 37efe67 | 2006-04-22 18:53:45 +0000 | [diff] [blame] | 392 | O << '\n'; |
| 393 | } |
| 394 | } |
| 395 | } |
| 396 | |
Anton Korobeynikov | 9de1934 | 2007-11-14 09:18:41 +0000 | [diff] [blame] | 397 | void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI, |
| 398 | const MachineBasicBlock *MBB, |
| 399 | unsigned uid) const { |
Chris Lattner | b3ac6e4 | 2009-08-11 20:29:57 +0000 | [diff] [blame] | 400 | bool isPIC = TM.getRelocationModel() == Reloc::PIC_; |
Anton Korobeynikov | 9de1934 | 2007-11-14 09:18:41 +0000 | [diff] [blame] | 401 | |
| 402 | // Use JumpTableDirective otherwise honor the entry size from the jump table |
| 403 | // info. |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 404 | const char *JTEntryDirective = MAI->getJumpTableDirective(isPIC); |
Anton Korobeynikov | 9de1934 | 2007-11-14 09:18:41 +0000 | [diff] [blame] | 405 | bool HadJTEntryDirective = JTEntryDirective != NULL; |
| 406 | if (!HadJTEntryDirective) { |
| 407 | JTEntryDirective = MJTI->getEntrySize() == 4 ? |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 408 | MAI->getData32bitsDirective() : MAI->getData64bitsDirective(); |
Anton Korobeynikov | 9de1934 | 2007-11-14 09:18:41 +0000 | [diff] [blame] | 409 | } |
| 410 | |
| 411 | O << JTEntryDirective << ' '; |
| 412 | |
| 413 | // If we have emitted set directives for the jump table entries, print |
| 414 | // them rather than the entries themselves. If we're emitting PIC, then |
| 415 | // emit the table entries as differences between two text section labels. |
| 416 | // If we're emitting non-PIC code, then emit the entries as direct |
| 417 | // references to the target basic blocks. |
Chris Lattner | b3ac6e4 | 2009-08-11 20:29:57 +0000 | [diff] [blame] | 418 | if (!isPIC) { |
Chris Lattner | 325d3dc | 2009-09-13 17:14:04 +0000 | [diff] [blame] | 419 | GetMBBSymbol(MBB->getNumber())->print(O, MAI); |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 420 | } else if (MAI->getSetDirective()) { |
| 421 | O << MAI->getPrivateGlobalPrefix() << getFunctionNumber() |
Chris Lattner | b3ac6e4 | 2009-08-11 20:29:57 +0000 | [diff] [blame] | 422 | << '_' << uid << "_set_" << MBB->getNumber(); |
Anton Korobeynikov | 9de1934 | 2007-11-14 09:18:41 +0000 | [diff] [blame] | 423 | } else { |
Chris Lattner | 325d3dc | 2009-09-13 17:14:04 +0000 | [diff] [blame] | 424 | GetMBBSymbol(MBB->getNumber())->print(O, MAI); |
Chris Lattner | b3ac6e4 | 2009-08-11 20:29:57 +0000 | [diff] [blame] | 425 | // If the arch uses custom Jump Table directives, don't calc relative to |
| 426 | // JT |
| 427 | if (!HadJTEntryDirective) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 428 | O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" |
Chris Lattner | b3ac6e4 | 2009-08-11 20:29:57 +0000 | [diff] [blame] | 429 | << getFunctionNumber() << '_' << uid; |
Anton Korobeynikov | 9de1934 | 2007-11-14 09:18:41 +0000 | [diff] [blame] | 430 | } |
| 431 | } |
| 432 | |
| 433 | |
Chris Lattner | ed13893 | 2005-12-13 06:32:10 +0000 | [diff] [blame] | 434 | /// EmitSpecialLLVMGlobal - Check to see if the specified global is a |
| 435 | /// special global used by LLVM. If so, emit it and return true, otherwise |
| 436 | /// do nothing and return false. |
| 437 | bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) { |
Daniel Dunbar | 03d7651 | 2009-07-25 23:55:21 +0000 | [diff] [blame] | 438 | if (GV->getName() == "llvm.used") { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 439 | if (MAI->getUsedDirective() != 0) // No need to emit this at all. |
Andrew Lenharth | b753a9b | 2007-08-22 19:33:11 +0000 | [diff] [blame] | 440 | EmitLLVMUsedList(GV->getInitializer()); |
| 441 | return true; |
| 442 | } |
| 443 | |
Chris Lattner | 401e10c | 2009-07-20 06:14:25 +0000 | [diff] [blame] | 444 | // Ignore debug and non-emitted data. This handles llvm.compiler.used. |
Chris Lattner | 266c7bb | 2009-04-13 05:44:34 +0000 | [diff] [blame] | 445 | if (GV->getSection() == "llvm.metadata" || |
| 446 | GV->hasAvailableExternallyLinkage()) |
| 447 | return true; |
Jim Laskey | 7809811 | 2006-03-07 22:00:35 +0000 | [diff] [blame] | 448 | |
| 449 | if (!GV->hasAppendingLinkage()) return false; |
| 450 | |
| 451 | assert(GV->hasInitializer() && "Not a special LLVM global!"); |
Chris Lattner | ed13893 | 2005-12-13 06:32:10 +0000 | [diff] [blame] | 452 | |
Evan Cheng | 916d07c | 2007-06-04 20:39:18 +0000 | [diff] [blame] | 453 | const TargetData *TD = TM.getTargetData(); |
| 454 | unsigned Align = Log2_32(TD->getPointerPrefAlignment()); |
Chris Lattner | f231c07 | 2009-03-09 05:52:15 +0000 | [diff] [blame] | 455 | if (GV->getName() == "llvm.global_ctors") { |
Chris Lattner | 6c2f9e1 | 2009-08-19 05:49:37 +0000 | [diff] [blame] | 456 | OutStreamer.SwitchSection(getObjFileLowering().getStaticCtorSection()); |
Chris Lattner | ea3a9ff | 2009-03-09 08:18:48 +0000 | [diff] [blame] | 457 | EmitAlignment(Align, 0); |
| 458 | EmitXXStructorList(GV->getInitializer()); |
| 459 | return true; |
Chris Lattner | ed13893 | 2005-12-13 06:32:10 +0000 | [diff] [blame] | 460 | } |
| 461 | |
Chris Lattner | f231c07 | 2009-03-09 05:52:15 +0000 | [diff] [blame] | 462 | if (GV->getName() == "llvm.global_dtors") { |
Chris Lattner | 6c2f9e1 | 2009-08-19 05:49:37 +0000 | [diff] [blame] | 463 | OutStreamer.SwitchSection(getObjFileLowering().getStaticDtorSection()); |
Chris Lattner | ea3a9ff | 2009-03-09 08:18:48 +0000 | [diff] [blame] | 464 | EmitAlignment(Align, 0); |
| 465 | EmitXXStructorList(GV->getInitializer()); |
| 466 | return true; |
Chris Lattner | ed13893 | 2005-12-13 06:32:10 +0000 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | return false; |
| 470 | } |
| 471 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 472 | /// EmitLLVMUsedList - For targets that define a MAI::UsedDirective, mark each |
Dale Johannesen | d2e51af | 2008-09-09 22:29:13 +0000 | [diff] [blame] | 473 | /// global in the specified llvm.used list for which emitUsedDirectiveFor |
| 474 | /// is true, as being used with this directive. |
Chris Lattner | cb05af8 | 2006-09-26 03:38:18 +0000 | [diff] [blame] | 475 | void AsmPrinter::EmitLLVMUsedList(Constant *List) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 476 | const char *Directive = MAI->getUsedDirective(); |
Chris Lattner | cb05af8 | 2006-09-26 03:38:18 +0000 | [diff] [blame] | 477 | |
Dan Gohman | a119de8 | 2009-06-14 23:30:43 +0000 | [diff] [blame] | 478 | // Should be an array of 'i8*'. |
Chris Lattner | cb05af8 | 2006-09-26 03:38:18 +0000 | [diff] [blame] | 479 | ConstantArray *InitList = dyn_cast<ConstantArray>(List); |
| 480 | if (InitList == 0) return; |
| 481 | |
| 482 | for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) { |
Chris Lattner | 16fe990 | 2009-07-17 22:00:23 +0000 | [diff] [blame] | 483 | const GlobalValue *GV = |
| 484 | dyn_cast<GlobalValue>(InitList->getOperand(i)->stripPointerCasts()); |
Chris Lattner | 26630c1 | 2009-07-31 20:52:39 +0000 | [diff] [blame] | 485 | if (GV && getObjFileLowering().shouldEmitUsedDirectiveFor(GV, Mang)) { |
Dale Johannesen | 61e6093 | 2008-09-03 20:34:58 +0000 | [diff] [blame] | 486 | O << Directive; |
| 487 | EmitConstantValueOnly(InitList->getOperand(i)); |
| 488 | O << '\n'; |
| 489 | } |
Chris Lattner | cb05af8 | 2006-09-26 03:38:18 +0000 | [diff] [blame] | 490 | } |
| 491 | } |
| 492 | |
Chris Lattner | ed13893 | 2005-12-13 06:32:10 +0000 | [diff] [blame] | 493 | /// EmitXXStructorList - Emit the ctor or dtor list. This just prints out the |
| 494 | /// function pointers, ignoring the init priority. |
| 495 | void AsmPrinter::EmitXXStructorList(Constant *List) { |
| 496 | // Should be an array of '{ int, void ()* }' structs. The first value is the |
| 497 | // init priority, which we ignore. |
| 498 | if (!isa<ConstantArray>(List)) return; |
| 499 | ConstantArray *InitList = cast<ConstantArray>(List); |
| 500 | for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) |
| 501 | if (ConstantStruct *CS = dyn_cast<ConstantStruct>(InitList->getOperand(i))){ |
| 502 | if (CS->getNumOperands() != 2) return; // Not array of 2-element structs. |
Chris Lattner | 8de324b | 2005-12-21 01:17:37 +0000 | [diff] [blame] | 503 | |
| 504 | if (CS->getOperand(1)->isNullValue()) |
| 505 | return; // Found a null terminator, exit printing. |
| 506 | // Emit the function pointer. |
Chris Lattner | ed13893 | 2005-12-13 06:32:10 +0000 | [diff] [blame] | 507 | EmitGlobalConstant(CS->getOperand(1)); |
| 508 | } |
| 509 | } |
Chris Lattner | 3b4fd32 | 2005-11-21 08:25:09 +0000 | [diff] [blame] | 510 | |
Jim Laskey | a1a19f8 | 2006-10-17 13:41:07 +0000 | [diff] [blame] | 511 | /// getGlobalLinkName - Returns the asm/link name of of the specified |
| 512 | /// global variable. Should be overridden by each target asm printer to |
| 513 | /// generate the appropriate value. |
Bill Wendling | 7d16e85 | 2009-04-10 00:12:49 +0000 | [diff] [blame] | 514 | const std::string &AsmPrinter::getGlobalLinkName(const GlobalVariable *GV, |
| 515 | std::string &LinkName) const { |
Jim Laskey | 0374248 | 2006-11-20 20:29:06 +0000 | [diff] [blame] | 516 | if (isa<Function>(GV)) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 517 | LinkName += MAI->getFunctionAddrPrefix(); |
Chris Lattner | b8158ac | 2009-07-14 18:17:16 +0000 | [diff] [blame] | 518 | LinkName += Mang->getMangledName(GV); |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 519 | LinkName += MAI->getFunctionAddrSuffix(); |
Jim Laskey | 0374248 | 2006-11-20 20:29:06 +0000 | [diff] [blame] | 520 | } else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 521 | LinkName += MAI->getGlobalVarAddrPrefix(); |
Chris Lattner | b8158ac | 2009-07-14 18:17:16 +0000 | [diff] [blame] | 522 | LinkName += Mang->getMangledName(GV); |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 523 | LinkName += MAI->getGlobalVarAddrSuffix(); |
Jim Laskey | 0374248 | 2006-11-20 20:29:06 +0000 | [diff] [blame] | 524 | } |
| 525 | |
Jim Laskey | 99e41ee | 2006-10-17 17:17:24 +0000 | [diff] [blame] | 526 | return LinkName; |
Jim Laskey | a1a19f8 | 2006-10-17 13:41:07 +0000 | [diff] [blame] | 527 | } |
| 528 | |
Jim Laskey | bda9b0e | 2007-02-21 22:47:38 +0000 | [diff] [blame] | 529 | /// EmitExternalGlobal - Emit the external reference to a global variable. |
| 530 | /// Should be overridden if an indirect reference should be used. |
| 531 | void AsmPrinter::EmitExternalGlobal(const GlobalVariable *GV) { |
Bill Wendling | 7d16e85 | 2009-04-10 00:12:49 +0000 | [diff] [blame] | 532 | std::string GLN; |
| 533 | O << getGlobalLinkName(GV, GLN); |
Jim Laskey | bda9b0e | 2007-02-21 22:47:38 +0000 | [diff] [blame] | 534 | } |
| 535 | |
| 536 | |
| 537 | |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 538 | //===----------------------------------------------------------------------===// |
| 539 | /// LEB 128 number encoding. |
| 540 | |
| 541 | /// PrintULEB128 - Print a series of hexidecimal values (separated by commas) |
| 542 | /// representing an unsigned leb128 value. |
| 543 | void AsmPrinter::PrintULEB128(unsigned Value) const { |
Chris Lattner | a64f463 | 2008-11-10 04:35:24 +0000 | [diff] [blame] | 544 | char Buffer[20]; |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 545 | do { |
Chris Lattner | a64f463 | 2008-11-10 04:35:24 +0000 | [diff] [blame] | 546 | unsigned char Byte = static_cast<unsigned char>(Value & 0x7f); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 547 | Value >>= 7; |
| 548 | if (Value) Byte |= 0x80; |
Chris Lattner | a64f463 | 2008-11-10 04:35:24 +0000 | [diff] [blame] | 549 | O << "0x" << utohex_buffer(Byte, Buffer+20); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 550 | if (Value) O << ", "; |
| 551 | } while (Value); |
| 552 | } |
| 553 | |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 554 | /// PrintSLEB128 - Print a series of hexidecimal values (separated by commas) |
| 555 | /// representing a signed leb128 value. |
| 556 | void AsmPrinter::PrintSLEB128(int Value) const { |
| 557 | int Sign = Value >> (8 * sizeof(Value) - 1); |
| 558 | bool IsMore; |
Chris Lattner | a64f463 | 2008-11-10 04:35:24 +0000 | [diff] [blame] | 559 | char Buffer[20]; |
Anton Korobeynikov | ffe31d7 | 2008-08-16 12:57:46 +0000 | [diff] [blame] | 560 | |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 561 | do { |
Chris Lattner | a64f463 | 2008-11-10 04:35:24 +0000 | [diff] [blame] | 562 | unsigned char Byte = static_cast<unsigned char>(Value & 0x7f); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 563 | Value >>= 7; |
| 564 | IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0; |
| 565 | if (IsMore) Byte |= 0x80; |
Chris Lattner | a64f463 | 2008-11-10 04:35:24 +0000 | [diff] [blame] | 566 | O << "0x" << utohex_buffer(Byte, Buffer+20); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 567 | if (IsMore) O << ", "; |
| 568 | } while (IsMore); |
| 569 | } |
| 570 | |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 571 | //===--------------------------------------------------------------------===// |
| 572 | // Emission and print routines |
| 573 | // |
| 574 | |
| 575 | /// PrintHex - Print a value as a hexidecimal value. |
| 576 | /// |
| 577 | void AsmPrinter::PrintHex(int Value) const { |
Chris Lattner | c6a1346 | 2008-11-10 04:30:26 +0000 | [diff] [blame] | 578 | char Buffer[20]; |
Chris Lattner | c6a1346 | 2008-11-10 04:30:26 +0000 | [diff] [blame] | 579 | O << "0x" << utohex_buffer(static_cast<unsigned>(Value), Buffer+20); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 580 | } |
| 581 | |
| 582 | /// EOL - Print a newline character to asm stream. If a comment is present |
| 583 | /// then it will be printed first. Comments should not contain '\n'. |
Jim Laskey | bda9b0e | 2007-02-21 22:47:38 +0000 | [diff] [blame] | 584 | void AsmPrinter::EOL() const { |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 585 | O << '\n'; |
Jim Laskey | bda9b0e | 2007-02-21 22:47:38 +0000 | [diff] [blame] | 586 | } |
Owen Anderson | 2599509 | 2008-07-01 21:16:27 +0000 | [diff] [blame] | 587 | |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 588 | void AsmPrinter::EOL(const std::string &Comment) const { |
Evan Cheng | 6547e40 | 2008-07-01 23:18:29 +0000 | [diff] [blame] | 589 | if (VerboseAsm && !Comment.empty()) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 590 | O.PadToColumn(MAI->getCommentColumn()); |
| 591 | O << MAI->getCommentString() |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 592 | << ' ' |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 593 | << Comment; |
| 594 | } |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 595 | O << '\n'; |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 596 | } |
| 597 | |
Owen Anderson | 2599509 | 2008-07-01 21:16:27 +0000 | [diff] [blame] | 598 | void AsmPrinter::EOL(const char* Comment) const { |
Evan Cheng | 6547e40 | 2008-07-01 23:18:29 +0000 | [diff] [blame] | 599 | if (VerboseAsm && *Comment) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 600 | O.PadToColumn(MAI->getCommentColumn()); |
| 601 | O << MAI->getCommentString() |
Owen Anderson | 2599509 | 2008-07-01 21:16:27 +0000 | [diff] [blame] | 602 | << ' ' |
| 603 | << Comment; |
| 604 | } |
| 605 | O << '\n'; |
| 606 | } |
| 607 | |
Bill Wendling | b5abecd | 2009-08-29 12:17:53 +0000 | [diff] [blame] | 608 | static const char *DecodeDWARFEncoding(unsigned Encoding) { |
| 609 | switch (Encoding) { |
| 610 | case dwarf::DW_EH_PE_absptr: |
| 611 | return "absptr"; |
| 612 | case dwarf::DW_EH_PE_omit: |
| 613 | return "omit"; |
| 614 | case dwarf::DW_EH_PE_pcrel: |
| 615 | return "pcrel"; |
Bill Wendling | 0734d35 | 2009-09-09 21:26:19 +0000 | [diff] [blame] | 616 | case dwarf::DW_EH_PE_udata4: |
| 617 | return "udata4"; |
| 618 | case dwarf::DW_EH_PE_udata8: |
| 619 | return "udata8"; |
| 620 | case dwarf::DW_EH_PE_sdata4: |
| 621 | return "sdata4"; |
| 622 | case dwarf::DW_EH_PE_sdata8: |
| 623 | return "sdata8"; |
Bill Wendling | b5abecd | 2009-08-29 12:17:53 +0000 | [diff] [blame] | 624 | case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4: |
| 625 | return "pcrel udata4"; |
| 626 | case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4: |
| 627 | return "pcrel sdata4"; |
| 628 | case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8: |
| 629 | return "pcrel udata8"; |
| 630 | case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8: |
| 631 | return "pcrel sdata8"; |
| 632 | case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata4: |
| 633 | return "indirect pcrel udata4"; |
| 634 | case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata4: |
| 635 | return "indirect pcrel sdata4"; |
| 636 | case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata8: |
| 637 | return "indirect pcrel udata8"; |
| 638 | case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata8: |
| 639 | return "indirect pcrel sdata8"; |
| 640 | } |
| 641 | |
| 642 | return 0; |
| 643 | } |
| 644 | |
Bill Wendling | b5abecd | 2009-08-29 12:17:53 +0000 | [diff] [blame] | 645 | void AsmPrinter::EOL(const char *Comment, unsigned Encoding) const { |
| 646 | if (VerboseAsm && *Comment) { |
| 647 | O.PadToColumn(MAI->getCommentColumn()); |
| 648 | O << MAI->getCommentString() |
| 649 | << ' ' |
| 650 | << Comment; |
| 651 | |
| 652 | if (const char *EncStr = DecodeDWARFEncoding(Encoding)) |
| 653 | O << " (" << EncStr << ')'; |
| 654 | } |
| 655 | O << '\n'; |
| 656 | } |
| 657 | |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 658 | /// EmitULEB128Bytes - Emit an assembler byte data directive to compose an |
| 659 | /// unsigned leb128 value. |
| 660 | void AsmPrinter::EmitULEB128Bytes(unsigned Value) const { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 661 | if (MAI->hasLEB128()) { |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 662 | O << "\t.uleb128\t" |
| 663 | << Value; |
| 664 | } else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 665 | O << MAI->getData8bitsDirective(); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 666 | PrintULEB128(Value); |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | /// EmitSLEB128Bytes - print an assembler byte data directive to compose a |
| 671 | /// signed leb128 value. |
| 672 | void AsmPrinter::EmitSLEB128Bytes(int Value) const { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 673 | if (MAI->hasLEB128()) { |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 674 | O << "\t.sleb128\t" |
| 675 | << Value; |
| 676 | } else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 677 | O << MAI->getData8bitsDirective(); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 678 | PrintSLEB128(Value); |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | /// EmitInt8 - Emit a byte directive and value. |
| 683 | /// |
| 684 | void AsmPrinter::EmitInt8(int Value) const { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 685 | O << MAI->getData8bitsDirective(); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 686 | PrintHex(Value & 0xFF); |
| 687 | } |
| 688 | |
| 689 | /// EmitInt16 - Emit a short directive and value. |
| 690 | /// |
| 691 | void AsmPrinter::EmitInt16(int Value) const { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 692 | O << MAI->getData16bitsDirective(); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 693 | PrintHex(Value & 0xFFFF); |
| 694 | } |
| 695 | |
| 696 | /// EmitInt32 - Emit a long directive and value. |
| 697 | /// |
| 698 | void AsmPrinter::EmitInt32(int Value) const { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 699 | O << MAI->getData32bitsDirective(); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 700 | PrintHex(Value); |
| 701 | } |
| 702 | |
| 703 | /// EmitInt64 - Emit a long long directive and value. |
| 704 | /// |
| 705 | void AsmPrinter::EmitInt64(uint64_t Value) const { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 706 | if (MAI->getData64bitsDirective()) { |
| 707 | O << MAI->getData64bitsDirective(); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 708 | PrintHex(Value); |
| 709 | } else { |
| 710 | if (TM.getTargetData()->isBigEndian()) { |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 711 | EmitInt32(unsigned(Value >> 32)); O << '\n'; |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 712 | EmitInt32(unsigned(Value)); |
| 713 | } else { |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 714 | EmitInt32(unsigned(Value)); O << '\n'; |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 715 | EmitInt32(unsigned(Value >> 32)); |
| 716 | } |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | /// toOctal - Convert the low order bits of X into an octal digit. |
| 721 | /// |
| 722 | static inline char toOctal(int X) { |
| 723 | return (X&7)+'0'; |
| 724 | } |
| 725 | |
| 726 | /// printStringChar - Print a char, escaped if necessary. |
| 727 | /// |
David Greene | 7184781 | 2009-07-14 20:18:05 +0000 | [diff] [blame] | 728 | static void printStringChar(formatted_raw_ostream &O, unsigned char C) { |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 729 | if (C == '"') { |
| 730 | O << "\\\""; |
| 731 | } else if (C == '\\') { |
| 732 | O << "\\\\"; |
Chris Lattner | bbfa244 | 2009-01-22 23:38:45 +0000 | [diff] [blame] | 733 | } else if (isprint((unsigned char)C)) { |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 734 | O << C; |
| 735 | } else { |
| 736 | switch(C) { |
| 737 | case '\b': O << "\\b"; break; |
| 738 | case '\f': O << "\\f"; break; |
| 739 | case '\n': O << "\\n"; break; |
| 740 | case '\r': O << "\\r"; break; |
| 741 | case '\t': O << "\\t"; break; |
| 742 | default: |
| 743 | O << '\\'; |
| 744 | O << toOctal(C >> 6); |
| 745 | O << toOctal(C >> 3); |
| 746 | O << toOctal(C >> 0); |
| 747 | break; |
| 748 | } |
| 749 | } |
| 750 | } |
| 751 | |
| 752 | /// EmitString - Emit a string with quotes and a null terminator. |
| 753 | /// Special characters are emitted properly. |
| 754 | /// \literal (Eg. '\t') \endliteral |
| 755 | void AsmPrinter::EmitString(const std::string &String) const { |
Bill Wendling | f34be82 | 2009-04-09 23:51:31 +0000 | [diff] [blame] | 756 | EmitString(String.c_str(), String.size()); |
| 757 | } |
| 758 | |
| 759 | void AsmPrinter::EmitString(const char *String, unsigned Size) const { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 760 | const char* AscizDirective = MAI->getAscizDirective(); |
Anton Korobeynikov | fb269cf | 2007-03-06 19:25:02 +0000 | [diff] [blame] | 761 | if (AscizDirective) |
| 762 | O << AscizDirective; |
| 763 | else |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 764 | O << MAI->getAsciiDirective(); |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 765 | O << '\"'; |
Bill Wendling | f34be82 | 2009-04-09 23:51:31 +0000 | [diff] [blame] | 766 | for (unsigned i = 0; i < Size; ++i) |
Chris Lattner | a118c2e | 2009-04-08 00:28:38 +0000 | [diff] [blame] | 767 | printStringChar(O, String[i]); |
Anton Korobeynikov | fb269cf | 2007-03-06 19:25:02 +0000 | [diff] [blame] | 768 | if (AscizDirective) |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 769 | O << '\"'; |
Anton Korobeynikov | fb269cf | 2007-03-06 19:25:02 +0000 | [diff] [blame] | 770 | else |
| 771 | O << "\\0\""; |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 772 | } |
| 773 | |
| 774 | |
Dan Gohman | 189f80d | 2007-09-24 20:58:13 +0000 | [diff] [blame] | 775 | /// EmitFile - Emit a .file directive. |
| 776 | void AsmPrinter::EmitFile(unsigned Number, const std::string &Name) const { |
| 777 | O << "\t.file\t" << Number << " \""; |
Chris Lattner | a118c2e | 2009-04-08 00:28:38 +0000 | [diff] [blame] | 778 | for (unsigned i = 0, N = Name.size(); i < N; ++i) |
| 779 | printStringChar(O, Name[i]); |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 780 | O << '\"'; |
Dan Gohman | 189f80d | 2007-09-24 20:58:13 +0000 | [diff] [blame] | 781 | } |
| 782 | |
| 783 | |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 784 | //===----------------------------------------------------------------------===// |
| 785 | |
Chris Lattner | 3a42053 | 2007-05-31 18:57:45 +0000 | [diff] [blame] | 786 | // EmitAlignment - Emit an alignment directive to the specified power of |
| 787 | // two boundary. For example, if you pass in 3 here, you will get an 8 |
| 788 | // byte alignment. If a global value is specified, and if that global has |
| 789 | // an explicit alignment requested, it will unconditionally override the |
| 790 | // alignment request. However, if ForcedAlignBits is specified, this value |
| 791 | // has final say: the ultimate alignment will be the max of ForcedAlignBits |
| 792 | // and the alignment computed with NumBits and the global. |
| 793 | // |
| 794 | // The algorithm is: |
| 795 | // Align = NumBits; |
| 796 | // if (GV && GV->hasalignment) Align = GV->getalignment(); |
| 797 | // Align = std::max(Align, ForcedAlignBits); |
| 798 | // |
| 799 | void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV, |
Evan Cheng | 05548eb | 2008-02-29 19:36:59 +0000 | [diff] [blame] | 800 | unsigned ForcedAlignBits, |
| 801 | bool UseFillExpr) const { |
Dale Johannesen | 00d56b9 | 2007-04-23 23:33:31 +0000 | [diff] [blame] | 802 | if (GV && GV->getAlignment()) |
Chris Lattner | 3a42053 | 2007-05-31 18:57:45 +0000 | [diff] [blame] | 803 | NumBits = Log2_32(GV->getAlignment()); |
| 804 | NumBits = std::max(NumBits, ForcedAlignBits); |
| 805 | |
Chris Lattner | 2a21c6e | 2005-11-10 18:09:27 +0000 | [diff] [blame] | 806 | if (NumBits == 0) return; // No need to emit alignment. |
Chris Lattner | 663c2d2 | 2009-08-19 06:12:02 +0000 | [diff] [blame] | 807 | |
| 808 | unsigned FillValue = 0; |
Chris Lattner | dabf07c | 2009-08-18 06:15:16 +0000 | [diff] [blame] | 809 | if (getCurrentSection()->getKind().isText()) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 810 | FillValue = MAI->getTextAlignFillValue(); |
Chris Lattner | 663c2d2 | 2009-08-19 06:12:02 +0000 | [diff] [blame] | 811 | |
| 812 | OutStreamer.EmitValueToAlignment(1 << NumBits, FillValue, 1, 0); |
Chris Lattner | bfddc20 | 2004-08-17 19:14:29 +0000 | [diff] [blame] | 813 | } |
David Greene | a5bb59f | 2009-08-05 21:00:52 +0000 | [diff] [blame] | 814 | |
Chris Lattner | 25045bd | 2005-11-21 07:51:36 +0000 | [diff] [blame] | 815 | /// EmitZeros - Emit a block of zeros. |
Chris Lattner | 7d057a3 | 2004-08-17 21:38:40 +0000 | [diff] [blame] | 816 | /// |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 817 | void AsmPrinter::EmitZeros(uint64_t NumZeros, unsigned AddrSpace) const { |
Chris Lattner | 7d057a3 | 2004-08-17 21:38:40 +0000 | [diff] [blame] | 818 | if (NumZeros) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 819 | if (MAI->getZeroDirective()) { |
| 820 | O << MAI->getZeroDirective() << NumZeros; |
| 821 | if (MAI->getZeroDirectiveSuffix()) |
| 822 | O << MAI->getZeroDirectiveSuffix(); |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 823 | O << '\n'; |
Jeff Cohen | c6a057b | 2006-05-02 03:46:13 +0000 | [diff] [blame] | 824 | } else { |
Chris Lattner | 7d057a3 | 2004-08-17 21:38:40 +0000 | [diff] [blame] | 825 | for (; NumZeros; --NumZeros) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 826 | O << MAI->getData8bitsDirective(AddrSpace) << "0\n"; |
Chris Lattner | 7d057a3 | 2004-08-17 21:38:40 +0000 | [diff] [blame] | 827 | } |
| 828 | } |
| 829 | } |
| 830 | |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 831 | // Print out the specified constant, without a storage class. Only the |
| 832 | // constants valid in constant expressions can occur here. |
Chris Lattner | 25045bd | 2005-11-21 07:51:36 +0000 | [diff] [blame] | 833 | void AsmPrinter::EmitConstantValueOnly(const Constant *CV) { |
Chris Lattner | bd1d382 | 2004-10-16 18:19:26 +0000 | [diff] [blame] | 834 | if (CV->isNullValue() || isa<UndefValue>(CV)) |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 835 | O << '0'; |
Zhou Sheng | 6b6b6ef | 2007-01-11 12:24:14 +0000 | [diff] [blame] | 836 | else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { |
Scott Michel | 4315eee | 2008-06-03 06:18:19 +0000 | [diff] [blame] | 837 | O << CI->getZExtValue(); |
Reid Spencer | b83eb64 | 2006-10-20 07:07:24 +0000 | [diff] [blame] | 838 | } else if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV)) { |
Duraid Madina | 855a519 | 2005-04-02 12:21:51 +0000 | [diff] [blame] | 839 | // This is a constant address for a global variable or function. Use the |
| 840 | // name of the variable or function as the address value, possibly |
| 841 | // decorating it with GlobalVarAddrPrefix/Suffix or |
| 842 | // FunctionAddrPrefix/Suffix (these all default to "" ) |
Jim Laskey | 563321a | 2006-09-06 18:34:40 +0000 | [diff] [blame] | 843 | if (isa<Function>(GV)) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 844 | O << MAI->getFunctionAddrPrefix() |
Chris Lattner | b8158ac | 2009-07-14 18:17:16 +0000 | [diff] [blame] | 845 | << Mang->getMangledName(GV) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 846 | << MAI->getFunctionAddrSuffix(); |
Jim Laskey | 563321a | 2006-09-06 18:34:40 +0000 | [diff] [blame] | 847 | } else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 848 | O << MAI->getGlobalVarAddrPrefix() |
Chris Lattner | b8158ac | 2009-07-14 18:17:16 +0000 | [diff] [blame] | 849 | << Mang->getMangledName(GV) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 850 | << MAI->getGlobalVarAddrSuffix(); |
Jim Laskey | 563321a | 2006-09-06 18:34:40 +0000 | [diff] [blame] | 851 | } |
Duraid Madina | 855a519 | 2005-04-02 12:21:51 +0000 | [diff] [blame] | 852 | } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) { |
Owen Anderson | a69571c | 2006-05-03 01:29:57 +0000 | [diff] [blame] | 853 | const TargetData *TD = TM.getTargetData(); |
Anton Korobeynikov | 13b7d3d | 2007-02-04 23:27:42 +0000 | [diff] [blame] | 854 | unsigned Opcode = CE->getOpcode(); |
| 855 | switch (Opcode) { |
Chris Lattner | c19ee61 | 2009-08-01 22:25:12 +0000 | [diff] [blame] | 856 | case Instruction::Trunc: |
| 857 | case Instruction::ZExt: |
| 858 | case Instruction::SExt: |
| 859 | case Instruction::FPTrunc: |
| 860 | case Instruction::FPExt: |
| 861 | case Instruction::UIToFP: |
| 862 | case Instruction::SIToFP: |
| 863 | case Instruction::FPToUI: |
| 864 | case Instruction::FPToSI: |
| 865 | llvm_unreachable("FIXME: Don't support this constant cast expr"); |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 866 | case Instruction::GetElementPtr: { |
| 867 | // generate a symbolic expression for the byte address |
| 868 | const Constant *ptrVal = CE->getOperand(0); |
Chris Lattner | 7f6b9d2 | 2007-02-10 20:31:59 +0000 | [diff] [blame] | 869 | SmallVector<Value*, 8> idxVec(CE->op_begin()+1, CE->op_end()); |
| 870 | if (int64_t Offset = TD->getIndexedOffset(ptrVal->getType(), &idxVec[0], |
| 871 | idxVec.size())) { |
Chris Lattner | 4798bbe | 2009-02-05 06:55:21 +0000 | [diff] [blame] | 872 | // Truncate/sext the offset to the pointer size. |
| 873 | if (TD->getPointerSizeInBits() != 64) { |
| 874 | int SExtAmount = 64-TD->getPointerSizeInBits(); |
| 875 | Offset = (Offset << SExtAmount) >> SExtAmount; |
| 876 | } |
| 877 | |
Chris Lattner | 27e1921 | 2005-02-14 21:40:26 +0000 | [diff] [blame] | 878 | if (Offset) |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 879 | O << '('; |
Chris Lattner | 25045bd | 2005-11-21 07:51:36 +0000 | [diff] [blame] | 880 | EmitConstantValueOnly(ptrVal); |
Chris Lattner | 27e1921 | 2005-02-14 21:40:26 +0000 | [diff] [blame] | 881 | if (Offset > 0) |
| 882 | O << ") + " << Offset; |
| 883 | else if (Offset < 0) |
| 884 | O << ") - " << -Offset; |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 885 | } else { |
Chris Lattner | 25045bd | 2005-11-21 07:51:36 +0000 | [diff] [blame] | 886 | EmitConstantValueOnly(ptrVal); |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 887 | } |
| 888 | break; |
| 889 | } |
Chris Lattner | cb0a681 | 2006-12-12 05:14:13 +0000 | [diff] [blame] | 890 | case Instruction::BitCast: |
| 891 | return EmitConstantValueOnly(CE->getOperand(0)); |
| 892 | |
Chris Lattner | ddc9401 | 2006-12-12 05:18:19 +0000 | [diff] [blame] | 893 | case Instruction::IntToPtr: { |
| 894 | // Handle casts to pointers by changing them into casts to the appropriate |
| 895 | // integer type. This promotes constant folding and simplifies this code. |
| 896 | Constant *Op = CE->getOperand(0); |
Owen Anderson | 1d0be15 | 2009-08-13 21:58:54 +0000 | [diff] [blame] | 897 | Op = ConstantExpr::getIntegerCast(Op, TD->getIntPtrType(CV->getContext()), |
| 898 | false/*ZExt*/); |
Chris Lattner | ddc9401 | 2006-12-12 05:18:19 +0000 | [diff] [blame] | 899 | return EmitConstantValueOnly(Op); |
| 900 | } |
| 901 | |
| 902 | |
| 903 | case Instruction::PtrToInt: { |
Chris Lattner | 4a6bd33 | 2006-07-29 01:57:19 +0000 | [diff] [blame] | 904 | // Support only foldable casts to/from pointers that can be eliminated by |
| 905 | // changing the pointer to the appropriately sized integer type. |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 906 | Constant *Op = CE->getOperand(0); |
Chris Lattner | ddc9401 | 2006-12-12 05:18:19 +0000 | [diff] [blame] | 907 | const Type *Ty = CE->getType(); |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 908 | |
Chris Lattner | ddc9401 | 2006-12-12 05:18:19 +0000 | [diff] [blame] | 909 | // We can emit the pointer value into this slot if the slot is an |
| 910 | // integer slot greater or equal to the size of the pointer. |
Chris Lattner | c19ee61 | 2009-08-01 22:25:12 +0000 | [diff] [blame] | 911 | if (TD->getTypeAllocSize(Ty) == TD->getTypeAllocSize(Op->getType())) |
Chris Lattner | 4a6bd33 | 2006-07-29 01:57:19 +0000 | [diff] [blame] | 912 | return EmitConstantValueOnly(Op); |
Nick Lewycky | d622738 | 2008-08-08 06:34:07 +0000 | [diff] [blame] | 913 | |
| 914 | O << "(("; |
Chris Lattner | 25045bd | 2005-11-21 07:51:36 +0000 | [diff] [blame] | 915 | EmitConstantValueOnly(Op); |
Chris Lattner | c19ee61 | 2009-08-01 22:25:12 +0000 | [diff] [blame] | 916 | APInt ptrMask = |
| 917 | APInt::getAllOnesValue(TD->getTypeAllocSizeInBits(Op->getType())); |
Chris Lattner | fad86b0 | 2008-08-17 07:19:36 +0000 | [diff] [blame] | 918 | |
| 919 | SmallString<40> S; |
| 920 | ptrMask.toStringUnsigned(S); |
Daniel Dunbar | dddfd34 | 2009-08-19 20:07:03 +0000 | [diff] [blame] | 921 | O << ") & " << S.str() << ')'; |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 922 | break; |
| 923 | } |
| 924 | case Instruction::Add: |
Anton Korobeynikov | 13b7d3d | 2007-02-04 23:27:42 +0000 | [diff] [blame] | 925 | case Instruction::Sub: |
Anton Korobeynikov | feb8893 | 2007-12-18 20:53:41 +0000 | [diff] [blame] | 926 | case Instruction::And: |
| 927 | case Instruction::Or: |
| 928 | case Instruction::Xor: |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 929 | O << '('; |
Chris Lattner | 25045bd | 2005-11-21 07:51:36 +0000 | [diff] [blame] | 930 | EmitConstantValueOnly(CE->getOperand(0)); |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 931 | O << ')'; |
Anton Korobeynikov | feb8893 | 2007-12-18 20:53:41 +0000 | [diff] [blame] | 932 | switch (Opcode) { |
| 933 | case Instruction::Add: |
| 934 | O << " + "; |
| 935 | break; |
| 936 | case Instruction::Sub: |
| 937 | O << " - "; |
| 938 | break; |
| 939 | case Instruction::And: |
| 940 | O << " & "; |
| 941 | break; |
| 942 | case Instruction::Or: |
| 943 | O << " | "; |
| 944 | break; |
| 945 | case Instruction::Xor: |
| 946 | O << " ^ "; |
| 947 | break; |
| 948 | default: |
| 949 | break; |
| 950 | } |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 951 | O << '('; |
Chris Lattner | 25045bd | 2005-11-21 07:51:36 +0000 | [diff] [blame] | 952 | EmitConstantValueOnly(CE->getOperand(1)); |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 953 | O << ')'; |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 954 | break; |
| 955 | default: |
Torok Edwin | c23197a | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 956 | llvm_unreachable("Unsupported operator!"); |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 957 | } |
| 958 | } else { |
Torok Edwin | c23197a | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 959 | llvm_unreachable("Unknown constant value!"); |
Chris Lattner | a80ba71 | 2004-08-16 23:15:22 +0000 | [diff] [blame] | 960 | } |
| 961 | } |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 962 | |
Chris Lattner | 2980cef | 2005-11-10 18:06:33 +0000 | [diff] [blame] | 963 | /// printAsCString - Print the specified array as a C compatible string, only if |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 964 | /// the predicate isString is true. |
| 965 | /// |
David Greene | 7184781 | 2009-07-14 20:18:05 +0000 | [diff] [blame] | 966 | static void printAsCString(formatted_raw_ostream &O, const ConstantArray *CVA, |
Chris Lattner | 2980cef | 2005-11-10 18:06:33 +0000 | [diff] [blame] | 967 | unsigned LastElt) { |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 968 | assert(CVA->isString() && "Array is not string compatible!"); |
| 969 | |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 970 | O << '\"'; |
Chris Lattner | 2980cef | 2005-11-10 18:06:33 +0000 | [diff] [blame] | 971 | for (unsigned i = 0; i != LastElt; ++i) { |
Misha Brukman | edf128a | 2005-04-21 22:36:52 +0000 | [diff] [blame] | 972 | unsigned char C = |
Reid Spencer | b83eb64 | 2006-10-20 07:07:24 +0000 | [diff] [blame] | 973 | (unsigned char)cast<ConstantInt>(CVA->getOperand(i))->getZExtValue(); |
Jim Laskey | f1cdea1 | 2007-01-25 15:12:02 +0000 | [diff] [blame] | 974 | printStringChar(O, C); |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 975 | } |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 976 | O << '\"'; |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 977 | } |
| 978 | |
Jeff Cohen | c884db4 | 2006-05-02 01:16:28 +0000 | [diff] [blame] | 979 | /// EmitString - Emit a zero-byte-terminated string constant. |
| 980 | /// |
| 981 | void AsmPrinter::EmitString(const ConstantArray *CVA) const { |
| 982 | unsigned NumElts = CVA->getNumOperands(); |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 983 | if (MAI->getAscizDirective() && NumElts && |
Reid Spencer | b83eb64 | 2006-10-20 07:07:24 +0000 | [diff] [blame] | 984 | cast<ConstantInt>(CVA->getOperand(NumElts-1))->getZExtValue() == 0) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 985 | O << MAI->getAscizDirective(); |
Jeff Cohen | c884db4 | 2006-05-02 01:16:28 +0000 | [diff] [blame] | 986 | printAsCString(O, CVA, NumElts-1); |
| 987 | } else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 988 | O << MAI->getAsciiDirective(); |
Jeff Cohen | c884db4 | 2006-05-02 01:16:28 +0000 | [diff] [blame] | 989 | printAsCString(O, CVA, NumElts); |
| 990 | } |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 991 | O << '\n'; |
Jeff Cohen | c884db4 | 2006-05-02 01:16:28 +0000 | [diff] [blame] | 992 | } |
| 993 | |
Sanjiv Gupta | d3d9657 | 2009-04-28 16:34:20 +0000 | [diff] [blame] | 994 | void AsmPrinter::EmitGlobalConstantArray(const ConstantArray *CVA, |
| 995 | unsigned AddrSpace) { |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 996 | if (CVA->isString()) { |
| 997 | EmitString(CVA); |
| 998 | } else { // Not a string. Print the values in successive locations |
| 999 | for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i) |
Sanjiv Gupta | d3d9657 | 2009-04-28 16:34:20 +0000 | [diff] [blame] | 1000 | EmitGlobalConstant(CVA->getOperand(i), AddrSpace); |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1001 | } |
| 1002 | } |
| 1003 | |
| 1004 | void AsmPrinter::EmitGlobalConstantVector(const ConstantVector *CP) { |
| 1005 | const VectorType *PTy = CP->getType(); |
| 1006 | |
| 1007 | for (unsigned I = 0, E = PTy->getNumElements(); I < E; ++I) |
| 1008 | EmitGlobalConstant(CP->getOperand(I)); |
| 1009 | } |
| 1010 | |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1011 | void AsmPrinter::EmitGlobalConstantStruct(const ConstantStruct *CVS, |
| 1012 | unsigned AddrSpace) { |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1013 | // Print the fields in successive locations. Pad to align if needed! |
| 1014 | const TargetData *TD = TM.getTargetData(); |
Duncan Sands | 777d230 | 2009-05-09 07:06:46 +0000 | [diff] [blame] | 1015 | unsigned Size = TD->getTypeAllocSize(CVS->getType()); |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1016 | const StructLayout *cvsLayout = TD->getStructLayout(CVS->getType()); |
| 1017 | uint64_t sizeSoFar = 0; |
| 1018 | for (unsigned i = 0, e = CVS->getNumOperands(); i != e; ++i) { |
| 1019 | const Constant* field = CVS->getOperand(i); |
| 1020 | |
| 1021 | // Check if padding is needed and insert one or more 0s. |
Duncan Sands | 777d230 | 2009-05-09 07:06:46 +0000 | [diff] [blame] | 1022 | uint64_t fieldSize = TD->getTypeAllocSize(field->getType()); |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1023 | uint64_t padSize = ((i == e-1 ? Size : cvsLayout->getElementOffset(i+1)) |
| 1024 | - cvsLayout->getElementOffset(i)) - fieldSize; |
| 1025 | sizeSoFar += fieldSize + padSize; |
| 1026 | |
| 1027 | // Now print the actual field value. |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1028 | EmitGlobalConstant(field, AddrSpace); |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1029 | |
| 1030 | // Insert padding - this may include padding to increase the size of the |
| 1031 | // current field up to the ABI size (if the struct is not packed) as well |
| 1032 | // as padding to ensure that the next field starts at the right offset. |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1033 | EmitZeros(padSize, AddrSpace); |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1034 | } |
| 1035 | assert(sizeSoFar == cvsLayout->getSizeInBytes() && |
| 1036 | "Layout of constant struct may be incorrect!"); |
| 1037 | } |
| 1038 | |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1039 | void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP, |
| 1040 | unsigned AddrSpace) { |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1041 | // FP Constants are printed as integer constants to avoid losing |
| 1042 | // precision... |
Owen Anderson | 1d0be15 | 2009-08-13 21:58:54 +0000 | [diff] [blame] | 1043 | LLVMContext &Context = CFP->getContext(); |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1044 | const TargetData *TD = TM.getTargetData(); |
Owen Anderson | 1d0be15 | 2009-08-13 21:58:54 +0000 | [diff] [blame] | 1045 | if (CFP->getType() == Type::getDoubleTy(Context)) { |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1046 | double Val = CFP->getValueAPF().convertToDouble(); // for comment only |
| 1047 | uint64_t i = CFP->getValueAPF().bitcastToAPInt().getZExtValue(); |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1048 | if (MAI->getData64bitsDirective(AddrSpace)) { |
| 1049 | O << MAI->getData64bitsDirective(AddrSpace) << i; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1050 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1051 | O.PadToColumn(MAI->getCommentColumn()); |
| 1052 | O << MAI->getCommentString() << " double " << Val; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1053 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1054 | O << '\n'; |
| 1055 | } else if (TD->isBigEndian()) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1056 | O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1057 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1058 | O.PadToColumn(MAI->getCommentColumn()); |
| 1059 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1060 | << " most significant word of double " << Val; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1061 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1062 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1063 | O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1064 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1065 | O.PadToColumn(MAI->getCommentColumn()); |
| 1066 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1067 | << " least significant word of double " << Val; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1068 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1069 | O << '\n'; |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1070 | } else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1071 | O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1072 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1073 | O.PadToColumn(MAI->getCommentColumn()); |
| 1074 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1075 | << " least significant word of double " << Val; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1076 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1077 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1078 | O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1079 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1080 | O.PadToColumn(MAI->getCommentColumn()); |
| 1081 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1082 | << " most significant word of double " << Val; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1083 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1084 | O << '\n'; |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1085 | } |
| 1086 | return; |
Owen Anderson | 1d0be15 | 2009-08-13 21:58:54 +0000 | [diff] [blame] | 1087 | } else if (CFP->getType() == Type::getFloatTy(Context)) { |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1088 | float Val = CFP->getValueAPF().convertToFloat(); // for comment only |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1089 | O << MAI->getData32bitsDirective(AddrSpace) |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1090 | << CFP->getValueAPF().bitcastToAPInt().getZExtValue(); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1091 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1092 | O.PadToColumn(MAI->getCommentColumn()); |
| 1093 | O << MAI->getCommentString() << " float " << Val; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1094 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1095 | O << '\n'; |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1096 | return; |
Owen Anderson | 1d0be15 | 2009-08-13 21:58:54 +0000 | [diff] [blame] | 1097 | } else if (CFP->getType() == Type::getX86_FP80Ty(Context)) { |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1098 | // all long double variants are printed as hex |
| 1099 | // api needed to prevent premature destruction |
| 1100 | APInt api = CFP->getValueAPF().bitcastToAPInt(); |
| 1101 | const uint64_t *p = api.getRawData(); |
| 1102 | // Convert to double so we can print the approximate val as a comment. |
| 1103 | APFloat DoubleVal = CFP->getValueAPF(); |
| 1104 | bool ignored; |
| 1105 | DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, |
| 1106 | &ignored); |
| 1107 | if (TD->isBigEndian()) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1108 | O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1109 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1110 | O.PadToColumn(MAI->getCommentColumn()); |
| 1111 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1112 | << " most significant halfword of x86_fp80 ~" |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1113 | << DoubleVal.convertToDouble(); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1114 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1115 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1116 | O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1117 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1118 | O.PadToColumn(MAI->getCommentColumn()); |
| 1119 | O << MAI->getCommentString() << " next halfword"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1120 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1121 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1122 | O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1123 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1124 | O.PadToColumn(MAI->getCommentColumn()); |
| 1125 | O << MAI->getCommentString() << " next halfword"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1126 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1127 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1128 | O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1129 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1130 | O.PadToColumn(MAI->getCommentColumn()); |
| 1131 | O << MAI->getCommentString() << " next halfword"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1132 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1133 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1134 | O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1135 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1136 | O.PadToColumn(MAI->getCommentColumn()); |
| 1137 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1138 | << " least significant halfword"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1139 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1140 | O << '\n'; |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1141 | } else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1142 | O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1143 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1144 | O.PadToColumn(MAI->getCommentColumn()); |
| 1145 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1146 | << " least significant halfword of x86_fp80 ~" |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1147 | << DoubleVal.convertToDouble(); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1148 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1149 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1150 | O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1151 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1152 | O.PadToColumn(MAI->getCommentColumn()); |
| 1153 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1154 | << " next halfword"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1155 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1156 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1157 | O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1158 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1159 | O.PadToColumn(MAI->getCommentColumn()); |
| 1160 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1161 | << " next halfword"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1162 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1163 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1164 | O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1165 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1166 | O.PadToColumn(MAI->getCommentColumn()); |
| 1167 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1168 | << " next halfword"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1169 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1170 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1171 | O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1172 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1173 | O.PadToColumn(MAI->getCommentColumn()); |
| 1174 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1175 | << " most significant halfword"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1176 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1177 | O << '\n'; |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1178 | } |
Owen Anderson | 1d0be15 | 2009-08-13 21:58:54 +0000 | [diff] [blame] | 1179 | EmitZeros(TD->getTypeAllocSize(Type::getX86_FP80Ty(Context)) - |
| 1180 | TD->getTypeStoreSize(Type::getX86_FP80Ty(Context)), AddrSpace); |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1181 | return; |
Owen Anderson | 1d0be15 | 2009-08-13 21:58:54 +0000 | [diff] [blame] | 1182 | } else if (CFP->getType() == Type::getPPC_FP128Ty(Context)) { |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1183 | // all long double variants are printed as hex |
| 1184 | // api needed to prevent premature destruction |
| 1185 | APInt api = CFP->getValueAPF().bitcastToAPInt(); |
| 1186 | const uint64_t *p = api.getRawData(); |
| 1187 | if (TD->isBigEndian()) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1188 | O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1189 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1190 | O.PadToColumn(MAI->getCommentColumn()); |
| 1191 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1192 | << " most significant word of ppc_fp128"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1193 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1194 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1195 | O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1196 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1197 | O.PadToColumn(MAI->getCommentColumn()); |
| 1198 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1199 | << " next word"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1200 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1201 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1202 | O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1203 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1204 | O.PadToColumn(MAI->getCommentColumn()); |
| 1205 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1206 | << " next word"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1207 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1208 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1209 | O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1210 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1211 | O.PadToColumn(MAI->getCommentColumn()); |
| 1212 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1213 | << " least significant word"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1214 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1215 | O << '\n'; |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1216 | } else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1217 | O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1218 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1219 | O.PadToColumn(MAI->getCommentColumn()); |
| 1220 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1221 | << " least significant word of ppc_fp128"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1222 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1223 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1224 | O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1225 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1226 | O.PadToColumn(MAI->getCommentColumn()); |
| 1227 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1228 | << " next word"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1229 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1230 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1231 | O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1232 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1233 | O.PadToColumn(MAI->getCommentColumn()); |
| 1234 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1235 | << " next word"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1236 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1237 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1238 | O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1239 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1240 | O.PadToColumn(MAI->getCommentColumn()); |
| 1241 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1242 | << " most significant word"; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1243 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1244 | O << '\n'; |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1245 | } |
| 1246 | return; |
Torok Edwin | c23197a | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 1247 | } else llvm_unreachable("Floating point constant type not handled"); |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1248 | } |
| 1249 | |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1250 | void AsmPrinter::EmitGlobalConstantLargeInt(const ConstantInt *CI, |
| 1251 | unsigned AddrSpace) { |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1252 | const TargetData *TD = TM.getTargetData(); |
| 1253 | unsigned BitWidth = CI->getBitWidth(); |
| 1254 | assert(isPowerOf2_32(BitWidth) && |
| 1255 | "Non-power-of-2-sized integers not handled!"); |
| 1256 | |
| 1257 | // We don't expect assemblers to support integer data directives |
| 1258 | // for more than 64 bits, so we emit the data in at most 64-bit |
| 1259 | // quantities at a time. |
| 1260 | const uint64_t *RawData = CI->getValue().getRawData(); |
| 1261 | for (unsigned i = 0, e = BitWidth / 64; i != e; ++i) { |
| 1262 | uint64_t Val; |
| 1263 | if (TD->isBigEndian()) |
| 1264 | Val = RawData[e - i - 1]; |
| 1265 | else |
| 1266 | Val = RawData[i]; |
| 1267 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1268 | if (MAI->getData64bitsDirective(AddrSpace)) |
| 1269 | O << MAI->getData64bitsDirective(AddrSpace) << Val << '\n'; |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1270 | else if (TD->isBigEndian()) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1271 | O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1272 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1273 | O.PadToColumn(MAI->getCommentColumn()); |
| 1274 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1275 | << " most significant half of i64 " << Val; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1276 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1277 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1278 | O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1279 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1280 | O.PadToColumn(MAI->getCommentColumn()); |
| 1281 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1282 | << " least significant half of i64 " << Val; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1283 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1284 | O << '\n'; |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1285 | } else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1286 | O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1287 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1288 | O.PadToColumn(MAI->getCommentColumn()); |
| 1289 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1290 | << " least significant half of i64 " << Val; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1291 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1292 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1293 | O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32); |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1294 | if (VerboseAsm) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1295 | O.PadToColumn(MAI->getCommentColumn()); |
| 1296 | O << MAI->getCommentString() |
Dan Gohman | cf20ac4 | 2009-08-13 01:36:44 +0000 | [diff] [blame] | 1297 | << " most significant half of i64 " << Val; |
Dan Gohman | a12e9d7 | 2009-08-12 18:32:22 +0000 | [diff] [blame] | 1298 | } |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1299 | O << '\n'; |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1300 | } |
| 1301 | } |
| 1302 | } |
| 1303 | |
Chris Lattner | 25045bd | 2005-11-21 07:51:36 +0000 | [diff] [blame] | 1304 | /// EmitGlobalConstant - Print a general LLVM constant to the .s file. |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1305 | void AsmPrinter::EmitGlobalConstant(const Constant *CV, unsigned AddrSpace) { |
Owen Anderson | a69571c | 2006-05-03 01:29:57 +0000 | [diff] [blame] | 1306 | const TargetData *TD = TM.getTargetData(); |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1307 | const Type *type = CV->getType(); |
Duncan Sands | 777d230 | 2009-05-09 07:06:46 +0000 | [diff] [blame] | 1308 | unsigned Size = TD->getTypeAllocSize(type); |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 1309 | |
Chris Lattner | bd1d382 | 2004-10-16 18:19:26 +0000 | [diff] [blame] | 1310 | if (CV->isNullValue() || isa<UndefValue>(CV)) { |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1311 | EmitZeros(Size, AddrSpace); |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 1312 | return; |
| 1313 | } else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) { |
Sanjiv Gupta | d3d9657 | 2009-04-28 16:34:20 +0000 | [diff] [blame] | 1314 | EmitGlobalConstantArray(CVA , AddrSpace); |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 1315 | return; |
| 1316 | } else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) { |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1317 | EmitGlobalConstantStruct(CVS, AddrSpace); |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 1318 | return; |
| 1319 | } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) { |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1320 | EmitGlobalConstantFP(CFP, AddrSpace); |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1321 | return; |
| 1322 | } else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { |
| 1323 | // Small integers are handled below; large integers are handled here. |
| 1324 | if (Size > 4) { |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1325 | EmitGlobalConstantLargeInt(CI, AddrSpace); |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 1326 | return; |
| 1327 | } |
Reid Spencer | 9d6565a | 2007-02-15 02:26:10 +0000 | [diff] [blame] | 1328 | } else if (const ConstantVector *CP = dyn_cast<ConstantVector>(CV)) { |
Dan Gohman | 00d448a | 2008-12-22 21:14:27 +0000 | [diff] [blame] | 1329 | EmitGlobalConstantVector(CP); |
Nate Begeman | 8cfa57b | 2005-12-06 06:18:55 +0000 | [diff] [blame] | 1330 | return; |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 1331 | } |
| 1332 | |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1333 | printDataDirective(type, AddrSpace); |
Chris Lattner | 25045bd | 2005-11-21 07:51:36 +0000 | [diff] [blame] | 1334 | EmitConstantValueOnly(CV); |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1335 | if (VerboseAsm) { |
| 1336 | if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { |
| 1337 | SmallString<40> S; |
| 1338 | CI->getValue().toStringUnsigned(S, 16); |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1339 | O.PadToColumn(MAI->getCommentColumn()); |
| 1340 | O << MAI->getCommentString() << " 0x" << S.str(); |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1341 | } |
Scott Michel | eefc845 | 2008-06-03 15:39:51 +0000 | [diff] [blame] | 1342 | } |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 1343 | O << '\n'; |
Chris Lattner | 1b7e235 | 2004-08-17 06:36:49 +0000 | [diff] [blame] | 1344 | } |
Chris Lattner | 0264d1a | 2006-01-27 02:10:10 +0000 | [diff] [blame] | 1345 | |
Chris Lattner | fad86b0 | 2008-08-17 07:19:36 +0000 | [diff] [blame] | 1346 | void AsmPrinter::EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) { |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1347 | // Target doesn't support this yet! |
Torok Edwin | c23197a | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 1348 | llvm_unreachable("Target does not support EmitMachineConstantPoolValue"); |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1349 | } |
| 1350 | |
Chris Lattner | 3ce9b67 | 2006-09-26 23:59:50 +0000 | [diff] [blame] | 1351 | /// PrintSpecial - Print information related to the specified machine instr |
| 1352 | /// that is independent of the operand, and may be independent of the instr |
| 1353 | /// itself. This can be useful for portably encoding the comment character |
| 1354 | /// or other bits of target-specific knowledge into the asmstrings. The |
| 1355 | /// syntax used is ${:comment}. Targets can override this to add support |
| 1356 | /// for their own strange codes. |
Chris Lattner | 3e0cc26 | 2009-03-10 05:37:13 +0000 | [diff] [blame] | 1357 | void AsmPrinter::PrintSpecial(const MachineInstr *MI, const char *Code) const { |
Chris Lattner | bae02cf | 2006-09-27 00:06:07 +0000 | [diff] [blame] | 1358 | if (!strcmp(Code, "private")) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1359 | O << MAI->getPrivateGlobalPrefix(); |
Chris Lattner | bae02cf | 2006-09-27 00:06:07 +0000 | [diff] [blame] | 1360 | } else if (!strcmp(Code, "comment")) { |
Evan Cheng | f1c0ae9 | 2009-03-24 00:17:40 +0000 | [diff] [blame] | 1361 | if (VerboseAsm) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1362 | O << MAI->getCommentString(); |
Chris Lattner | 3ce9b67 | 2006-09-26 23:59:50 +0000 | [diff] [blame] | 1363 | } else if (!strcmp(Code, "uid")) { |
Chris Lattner | b6a24bf | 2007-02-05 21:23:52 +0000 | [diff] [blame] | 1364 | // Comparing the address of MI isn't sufficient, because machineinstrs may |
| 1365 | // be allocated to the same address across functions. |
| 1366 | const Function *ThisF = MI->getParent()->getParent()->getFunction(); |
| 1367 | |
Owen Anderson | bd58edf | 2009-06-24 22:28:12 +0000 | [diff] [blame] | 1368 | // If this is a new LastFn instruction, bump the counter. |
| 1369 | if (LastMI != MI || LastFn != ThisF) { |
Chris Lattner | b6a24bf | 2007-02-05 21:23:52 +0000 | [diff] [blame] | 1370 | ++Counter; |
| 1371 | LastMI = MI; |
Owen Anderson | bd58edf | 2009-06-24 22:28:12 +0000 | [diff] [blame] | 1372 | LastFn = ThisF; |
Chris Lattner | b6a24bf | 2007-02-05 21:23:52 +0000 | [diff] [blame] | 1373 | } |
Chris Lattner | 3ce9b67 | 2006-09-26 23:59:50 +0000 | [diff] [blame] | 1374 | O << Counter; |
| 1375 | } else { |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 1376 | std::string msg; |
| 1377 | raw_string_ostream Msg(msg); |
| 1378 | Msg << "Unknown special formatter '" << Code |
Bill Wendling | e815619 | 2006-12-07 01:30:32 +0000 | [diff] [blame] | 1379 | << "' for machine instr: " << *MI; |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 1380 | llvm_report_error(Msg.str()); |
Chris Lattner | 3ce9b67 | 2006-09-26 23:59:50 +0000 | [diff] [blame] | 1381 | } |
| 1382 | } |
| 1383 | |
Argyrios Kyrtzidis | cd76240 | 2009-05-07 13:55:51 +0000 | [diff] [blame] | 1384 | /// processDebugLoc - Processes the debug information of each machine |
| 1385 | /// instruction's DebugLoc. |
| 1386 | void AsmPrinter::processDebugLoc(DebugLoc DL) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1387 | if (!MAI || !DW) |
Chris Lattner | d250329 | 2009-08-05 04:09:18 +0000 | [diff] [blame] | 1388 | return; |
| 1389 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1390 | if (MAI->doesSupportDebugInformation() && DW->ShouldEmitDwarfDebug()) { |
Argyrios Kyrtzidis | cd76240 | 2009-05-07 13:55:51 +0000 | [diff] [blame] | 1391 | if (!DL.isUnknown()) { |
Argyrios Kyrtzidis | cd76240 | 2009-05-07 13:55:51 +0000 | [diff] [blame] | 1392 | DebugLocTuple CurDLT = MF->getDebugLocTuple(DL); |
| 1393 | |
Chris Lattner | c5ea263 | 2009-09-09 23:14:36 +0000 | [diff] [blame] | 1394 | if (CurDLT.CompileUnit != 0 && PrevDLT != CurDLT) { |
Argyrios Kyrtzidis | cd76240 | 2009-05-07 13:55:51 +0000 | [diff] [blame] | 1395 | printLabel(DW->RecordSourceLine(CurDLT.Line, CurDLT.Col, |
| 1396 | DICompileUnit(CurDLT.CompileUnit))); |
Chris Lattner | c5ea263 | 2009-09-09 23:14:36 +0000 | [diff] [blame] | 1397 | O << '\n'; |
| 1398 | } |
Argyrios Kyrtzidis | cd76240 | 2009-05-07 13:55:51 +0000 | [diff] [blame] | 1399 | |
| 1400 | PrevDLT = CurDLT; |
| 1401 | } |
| 1402 | } |
| 1403 | } |
Chris Lattner | 3ce9b67 | 2006-09-26 23:59:50 +0000 | [diff] [blame] | 1404 | |
Chris Lattner | 0264d1a | 2006-01-27 02:10:10 +0000 | [diff] [blame] | 1405 | /// printInlineAsm - This method formats and prints the specified machine |
| 1406 | /// instruction that is an inline asm. |
| 1407 | void AsmPrinter::printInlineAsm(const MachineInstr *MI) const { |
Chris Lattner | f2b67cf | 2006-01-30 23:00:08 +0000 | [diff] [blame] | 1408 | unsigned NumOperands = MI->getNumOperands(); |
| 1409 | |
| 1410 | // Count the number of register definitions. |
| 1411 | unsigned NumDefs = 0; |
Dan Gohman | d735b80 | 2008-10-03 15:45:36 +0000 | [diff] [blame] | 1412 | for (; MI->getOperand(NumDefs).isReg() && MI->getOperand(NumDefs).isDef(); |
Chris Lattner | 67942f5 | 2006-09-05 20:02:51 +0000 | [diff] [blame] | 1413 | ++NumDefs) |
Chris Lattner | f2b67cf | 2006-01-30 23:00:08 +0000 | [diff] [blame] | 1414 | assert(NumDefs != NumOperands-1 && "No asm string?"); |
| 1415 | |
Dan Gohman | d735b80 | 2008-10-03 15:45:36 +0000 | [diff] [blame] | 1416 | assert(MI->getOperand(NumDefs).isSymbol() && "No asm string?"); |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1417 | |
| 1418 | // Disassemble the AsmStr, printing out the literal pieces, the operands, etc. |
Chris Lattner | f2b67cf | 2006-01-30 23:00:08 +0000 | [diff] [blame] | 1419 | const char *AsmStr = MI->getOperand(NumDefs).getSymbolName(); |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1420 | |
Dale Johannesen | ba2a0b9 | 2008-01-29 02:21:21 +0000 | [diff] [blame] | 1421 | // If this asmstr is empty, just print the #APP/#NOAPP markers. |
| 1422 | // These are useful to see where empty asm's wound up. |
Chris Lattner | f26f5dd | 2006-07-28 00:17:20 +0000 | [diff] [blame] | 1423 | if (AsmStr[0] == 0) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1424 | O << MAI->getCommentString() << MAI->getInlineAsmStart() << "\n\t"; |
| 1425 | O << MAI->getCommentString() << MAI->getInlineAsmEnd() << '\n'; |
Chris Lattner | f26f5dd | 2006-07-28 00:17:20 +0000 | [diff] [blame] | 1426 | return; |
| 1427 | } |
| 1428 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1429 | O << MAI->getCommentString() << MAI->getInlineAsmStart() << "\n\t"; |
Chris Lattner | f26f5dd | 2006-07-28 00:17:20 +0000 | [diff] [blame] | 1430 | |
Bill Wendling | eb9a42c | 2007-01-16 03:42:04 +0000 | [diff] [blame] | 1431 | // The variant of the current asmprinter. |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1432 | int AsmPrinterVariant = MAI->getAssemblerDialect(); |
Bill Wendling | eb9a42c | 2007-01-16 03:42:04 +0000 | [diff] [blame] | 1433 | |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1434 | int CurVariant = -1; // The number of the {.|.|.} region we are in. |
| 1435 | const char *LastEmitted = AsmStr; // One past the last character emitted. |
Chris Lattner | 2cc2f66 | 2006-02-01 01:28:23 +0000 | [diff] [blame] | 1436 | |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1437 | while (*LastEmitted) { |
| 1438 | switch (*LastEmitted) { |
| 1439 | default: { |
| 1440 | // Not a special case, emit the string section literally. |
| 1441 | const char *LiteralEnd = LastEmitted+1; |
| 1442 | while (*LiteralEnd && *LiteralEnd != '{' && *LiteralEnd != '|' && |
Chris Lattner | 1c05997 | 2006-05-05 21:47:05 +0000 | [diff] [blame] | 1443 | *LiteralEnd != '}' && *LiteralEnd != '$' && *LiteralEnd != '\n') |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1444 | ++LiteralEnd; |
| 1445 | if (CurVariant == -1 || CurVariant == AsmPrinterVariant) |
| 1446 | O.write(LastEmitted, LiteralEnd-LastEmitted); |
| 1447 | LastEmitted = LiteralEnd; |
| 1448 | break; |
| 1449 | } |
Chris Lattner | 1c05997 | 2006-05-05 21:47:05 +0000 | [diff] [blame] | 1450 | case '\n': |
| 1451 | ++LastEmitted; // Consume newline character. |
Dan Gohman | d19a53b | 2008-06-30 22:03:41 +0000 | [diff] [blame] | 1452 | O << '\n'; // Indent code with newline. |
Chris Lattner | 1c05997 | 2006-05-05 21:47:05 +0000 | [diff] [blame] | 1453 | break; |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1454 | case '$': { |
| 1455 | ++LastEmitted; // Consume '$' character. |
Chris Lattner | faf1dae | 2006-10-03 23:27:09 +0000 | [diff] [blame] | 1456 | bool Done = true; |
| 1457 | |
| 1458 | // Handle escapes. |
| 1459 | switch (*LastEmitted) { |
| 1460 | default: Done = false; break; |
| 1461 | case '$': // $$ -> $ |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1462 | if (CurVariant == -1 || CurVariant == AsmPrinterVariant) |
| 1463 | O << '$'; |
| 1464 | ++LastEmitted; // Consume second '$' character. |
| 1465 | break; |
Chris Lattner | faf1dae | 2006-10-03 23:27:09 +0000 | [diff] [blame] | 1466 | case '(': // $( -> same as GCC's { character. |
| 1467 | ++LastEmitted; // Consume '(' character. |
| 1468 | if (CurVariant != -1) { |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 1469 | llvm_report_error("Nested variants found in inline asm string: '" |
| 1470 | + std::string(AsmStr) + "'"); |
Chris Lattner | faf1dae | 2006-10-03 23:27:09 +0000 | [diff] [blame] | 1471 | } |
| 1472 | CurVariant = 0; // We're in the first variant now. |
| 1473 | break; |
| 1474 | case '|': |
| 1475 | ++LastEmitted; // consume '|' character. |
Dale Johannesen | 8b1e054 | 2008-10-10 21:04:42 +0000 | [diff] [blame] | 1476 | if (CurVariant == -1) |
| 1477 | O << '|'; // this is gcc's behavior for | outside a variant |
| 1478 | else |
| 1479 | ++CurVariant; // We're in the next variant. |
Chris Lattner | faf1dae | 2006-10-03 23:27:09 +0000 | [diff] [blame] | 1480 | break; |
| 1481 | case ')': // $) -> same as GCC's } char. |
| 1482 | ++LastEmitted; // consume ')' character. |
Dale Johannesen | 8b1e054 | 2008-10-10 21:04:42 +0000 | [diff] [blame] | 1483 | if (CurVariant == -1) |
| 1484 | O << '}'; // this is gcc's behavior for } outside a variant |
| 1485 | else |
| 1486 | CurVariant = -1; |
Chris Lattner | faf1dae | 2006-10-03 23:27:09 +0000 | [diff] [blame] | 1487 | break; |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1488 | } |
Chris Lattner | faf1dae | 2006-10-03 23:27:09 +0000 | [diff] [blame] | 1489 | if (Done) break; |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1490 | |
| 1491 | bool HasCurlyBraces = false; |
| 1492 | if (*LastEmitted == '{') { // ${variable} |
| 1493 | ++LastEmitted; // Consume '{' character. |
| 1494 | HasCurlyBraces = true; |
| 1495 | } |
| 1496 | |
Chris Lattner | 3e0cc26 | 2009-03-10 05:37:13 +0000 | [diff] [blame] | 1497 | // If we have ${:foo}, then this is not a real operand reference, it is a |
| 1498 | // "magic" string reference, just like in .td files. Arrange to call |
| 1499 | // PrintSpecial. |
| 1500 | if (HasCurlyBraces && *LastEmitted == ':') { |
| 1501 | ++LastEmitted; |
| 1502 | const char *StrStart = LastEmitted; |
| 1503 | const char *StrEnd = strchr(StrStart, '}'); |
| 1504 | if (StrEnd == 0) { |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 1505 | llvm_report_error("Unterminated ${:foo} operand in inline asm string: '" |
| 1506 | + std::string(AsmStr) + "'"); |
Chris Lattner | 3e0cc26 | 2009-03-10 05:37:13 +0000 | [diff] [blame] | 1507 | } |
| 1508 | |
| 1509 | std::string Val(StrStart, StrEnd); |
| 1510 | PrintSpecial(MI, Val.c_str()); |
| 1511 | LastEmitted = StrEnd+1; |
| 1512 | break; |
| 1513 | } |
| 1514 | |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1515 | const char *IDStart = LastEmitted; |
| 1516 | char *IDEnd; |
Chris Lattner | fad2912 | 2007-01-23 00:36:17 +0000 | [diff] [blame] | 1517 | errno = 0; |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1518 | long Val = strtol(IDStart, &IDEnd, 10); // We only accept numbers for IDs. |
| 1519 | if (!isdigit(*IDStart) || (Val == 0 && errno == EINVAL)) { |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 1520 | llvm_report_error("Bad $ operand number in inline asm string: '" |
| 1521 | + std::string(AsmStr) + "'"); |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1522 | } |
| 1523 | LastEmitted = IDEnd; |
| 1524 | |
Chris Lattner | a36cb0a | 2006-02-06 22:17:23 +0000 | [diff] [blame] | 1525 | char Modifier[2] = { 0, 0 }; |
| 1526 | |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1527 | if (HasCurlyBraces) { |
Chris Lattner | a36cb0a | 2006-02-06 22:17:23 +0000 | [diff] [blame] | 1528 | // If we have curly braces, check for a modifier character. This |
| 1529 | // supports syntax like ${0:u}, which correspond to "%u0" in GCC asm. |
| 1530 | if (*LastEmitted == ':') { |
| 1531 | ++LastEmitted; // Consume ':' character. |
| 1532 | if (*LastEmitted == 0) { |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 1533 | llvm_report_error("Bad ${:} expression in inline asm string: '" |
| 1534 | + std::string(AsmStr) + "'"); |
Chris Lattner | a36cb0a | 2006-02-06 22:17:23 +0000 | [diff] [blame] | 1535 | } |
| 1536 | |
| 1537 | Modifier[0] = *LastEmitted; |
| 1538 | ++LastEmitted; // Consume modifier character. |
| 1539 | } |
| 1540 | |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1541 | if (*LastEmitted != '}') { |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 1542 | llvm_report_error("Bad ${} expression in inline asm string: '" |
| 1543 | + std::string(AsmStr) + "'"); |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1544 | } |
| 1545 | ++LastEmitted; // Consume '}' character. |
| 1546 | } |
| 1547 | |
| 1548 | if ((unsigned)Val >= NumOperands-1) { |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 1549 | llvm_report_error("Invalid $ operand number in inline asm string: '" |
| 1550 | + std::string(AsmStr) + "'"); |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1551 | } |
| 1552 | |
Chris Lattner | c3a9f8d | 2006-02-23 19:21:04 +0000 | [diff] [blame] | 1553 | // Okay, we finally have a value number. Ask the target to print this |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1554 | // operand! |
Chris Lattner | c3a9f8d | 2006-02-23 19:21:04 +0000 | [diff] [blame] | 1555 | if (CurVariant == -1 || CurVariant == AsmPrinterVariant) { |
| 1556 | unsigned OpNo = 1; |
Chris Lattner | fd561cd | 2006-06-08 18:00:47 +0000 | [diff] [blame] | 1557 | |
| 1558 | bool Error = false; |
| 1559 | |
Chris Lattner | c3a9f8d | 2006-02-23 19:21:04 +0000 | [diff] [blame] | 1560 | // Scan to find the machine operand number for the operand. |
Chris Lattner | daf6bc6 | 2006-02-24 19:50:58 +0000 | [diff] [blame] | 1561 | for (; Val; --Val) { |
Chris Lattner | fd561cd | 2006-06-08 18:00:47 +0000 | [diff] [blame] | 1562 | if (OpNo >= MI->getNumOperands()) break; |
Chris Lattner | 9e33049 | 2007-12-30 20:50:28 +0000 | [diff] [blame] | 1563 | unsigned OpFlags = MI->getOperand(OpNo).getImm(); |
Evan Cheng | 697cbbf | 2009-03-20 18:03:34 +0000 | [diff] [blame] | 1564 | OpNo += InlineAsm::getNumOperandRegisters(OpFlags) + 1; |
Chris Lattner | daf6bc6 | 2006-02-24 19:50:58 +0000 | [diff] [blame] | 1565 | } |
Chris Lattner | dd26033 | 2006-02-24 20:21:58 +0000 | [diff] [blame] | 1566 | |
Chris Lattner | fd561cd | 2006-06-08 18:00:47 +0000 | [diff] [blame] | 1567 | if (OpNo >= MI->getNumOperands()) { |
| 1568 | Error = true; |
Chris Lattner | dd26033 | 2006-02-24 20:21:58 +0000 | [diff] [blame] | 1569 | } else { |
Chris Lattner | 9e33049 | 2007-12-30 20:50:28 +0000 | [diff] [blame] | 1570 | unsigned OpFlags = MI->getOperand(OpNo).getImm(); |
Chris Lattner | fd561cd | 2006-06-08 18:00:47 +0000 | [diff] [blame] | 1571 | ++OpNo; // Skip over the ID number. |
| 1572 | |
Dale Johannesen | eb57ea7 | 2007-11-05 21:20:28 +0000 | [diff] [blame] | 1573 | if (Modifier[0]=='l') // labels are target independent |
Chris Lattner | 325d3dc | 2009-09-13 17:14:04 +0000 | [diff] [blame] | 1574 | GetMBBSymbol(MI->getOperand(OpNo).getMBB() |
| 1575 | ->getNumber())->print(O, MAI); |
Dale Johannesen | eb57ea7 | 2007-11-05 21:20:28 +0000 | [diff] [blame] | 1576 | else { |
| 1577 | AsmPrinter *AP = const_cast<AsmPrinter*>(this); |
Dale Johannesen | 86b49f8 | 2008-09-24 01:07:17 +0000 | [diff] [blame] | 1578 | if ((OpFlags & 7) == 4) { |
Dale Johannesen | eb57ea7 | 2007-11-05 21:20:28 +0000 | [diff] [blame] | 1579 | Error = AP->PrintAsmMemoryOperand(MI, OpNo, AsmPrinterVariant, |
| 1580 | Modifier[0] ? Modifier : 0); |
| 1581 | } else { |
| 1582 | Error = AP->PrintAsmOperand(MI, OpNo, AsmPrinterVariant, |
| 1583 | Modifier[0] ? Modifier : 0); |
| 1584 | } |
Chris Lattner | fd561cd | 2006-06-08 18:00:47 +0000 | [diff] [blame] | 1585 | } |
Chris Lattner | dd26033 | 2006-02-24 20:21:58 +0000 | [diff] [blame] | 1586 | } |
| 1587 | if (Error) { |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 1588 | std::string msg; |
| 1589 | raw_string_ostream Msg(msg); |
| 1590 | Msg << "Invalid operand found in inline asm: '" |
Bill Wendling | e815619 | 2006-12-07 01:30:32 +0000 | [diff] [blame] | 1591 | << AsmStr << "'\n"; |
Torok Edwin | 7d696d8 | 2009-07-11 13:10:19 +0000 | [diff] [blame] | 1592 | MI->print(Msg); |
| 1593 | llvm_report_error(Msg.str()); |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1594 | } |
Chris Lattner | c3a9f8d | 2006-02-23 19:21:04 +0000 | [diff] [blame] | 1595 | } |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1596 | break; |
| 1597 | } |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1598 | } |
| 1599 | } |
Chris Lattner | c5ea263 | 2009-09-09 23:14:36 +0000 | [diff] [blame] | 1600 | O << "\n\t" << MAI->getCommentString() << MAI->getInlineAsmEnd(); |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1601 | } |
| 1602 | |
Evan Cheng | da47e6e | 2008-03-15 00:03:38 +0000 | [diff] [blame] | 1603 | /// printImplicitDef - This method prints the specified machine instruction |
| 1604 | /// that is an implicit def. |
| 1605 | void AsmPrinter::printImplicitDef(const MachineInstr *MI) const { |
Chris Lattner | c5ea263 | 2009-09-09 23:14:36 +0000 | [diff] [blame] | 1606 | if (!VerboseAsm) return; |
| 1607 | O.PadToColumn(MAI->getCommentColumn()); |
| 1608 | O << MAI->getCommentString() << " implicit-def: " |
| 1609 | << TRI->getAsmName(MI->getOperand(0).getReg()); |
Evan Cheng | da47e6e | 2008-03-15 00:03:38 +0000 | [diff] [blame] | 1610 | } |
| 1611 | |
Jim Laskey | 1ee2925 | 2007-01-26 14:34:52 +0000 | [diff] [blame] | 1612 | /// printLabel - This method prints a local label used by debug and |
| 1613 | /// exception handling tables. |
| 1614 | void AsmPrinter::printLabel(const MachineInstr *MI) const { |
Dan Gohman | 528bc02 | 2008-07-01 00:16:26 +0000 | [diff] [blame] | 1615 | printLabel(MI->getOperand(0).getImm()); |
Jim Laskey | 1ee2925 | 2007-01-26 14:34:52 +0000 | [diff] [blame] | 1616 | } |
| 1617 | |
Evan Cheng | 1b08bbc | 2008-02-01 09:10:45 +0000 | [diff] [blame] | 1618 | void AsmPrinter::printLabel(unsigned Id) const { |
Chris Lattner | c5ea263 | 2009-09-09 23:14:36 +0000 | [diff] [blame] | 1619 | O << MAI->getPrivateGlobalPrefix() << "label" << Id << ':'; |
Evan Cheng | 1b08bbc | 2008-02-01 09:10:45 +0000 | [diff] [blame] | 1620 | } |
| 1621 | |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1622 | /// PrintAsmOperand - Print the specified operand of MI, an INLINEASM |
| 1623 | /// instruction, using the specified assembler variant. Targets should |
| 1624 | /// overried this to format as appropriate. |
| 1625 | bool AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, |
Chris Lattner | a36cb0a | 2006-02-06 22:17:23 +0000 | [diff] [blame] | 1626 | unsigned AsmVariant, const char *ExtraCode) { |
Chris Lattner | 6609913 | 2006-02-01 22:41:11 +0000 | [diff] [blame] | 1627 | // Target doesn't support this yet! |
| 1628 | return true; |
Chris Lattner | 0264d1a | 2006-01-27 02:10:10 +0000 | [diff] [blame] | 1629 | } |
Chris Lattner | dd26033 | 2006-02-24 20:21:58 +0000 | [diff] [blame] | 1630 | |
| 1631 | bool AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, |
| 1632 | unsigned AsmVariant, |
| 1633 | const char *ExtraCode) { |
| 1634 | // Target doesn't support this yet! |
| 1635 | return true; |
| 1636 | } |
Nate Begeman | 37efe67 | 2006-04-22 18:53:45 +0000 | [diff] [blame] | 1637 | |
Chris Lattner | 7cb384d | 2009-09-12 23:02:08 +0000 | [diff] [blame] | 1638 | MCSymbol *AsmPrinter::GetMBBSymbol(unsigned MBBID) const { |
| 1639 | SmallString<60> Name; |
| 1640 | raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "BB" |
| 1641 | << getFunctionNumber() << '_' << MBBID; |
| 1642 | |
| 1643 | return OutContext.GetOrCreateSymbol(Name.str()); |
| 1644 | } |
| 1645 | |
| 1646 | |
Chris Lattner | 70a54c0 | 2009-09-13 18:25:37 +0000 | [diff] [blame^] | 1647 | /// EmitBasicBlockStart - This method prints the label for the specified |
| 1648 | /// MachineBasicBlock, an alignment (if present) and a comment describing |
| 1649 | /// it if appropriate. |
| 1650 | void AsmPrinter::EmitBasicBlockStart(const MachineBasicBlock *MBB, |
| 1651 | bool PrintColon) const { |
| 1652 | if (unsigned Align = MBB->getAlignment()) |
| 1653 | EmitAlignment(Log2_32(Align)); |
Evan Cheng | fb8075d | 2008-02-28 00:43:03 +0000 | [diff] [blame] | 1654 | |
Chris Lattner | 7cb384d | 2009-09-12 23:02:08 +0000 | [diff] [blame] | 1655 | GetMBBSymbol(MBB->getNumber())->print(O, MAI); |
| 1656 | |
Chris Lattner | 70a54c0 | 2009-09-13 18:25:37 +0000 | [diff] [blame^] | 1657 | if (PrintColon) |
Nate Begeman | cdf38c4 | 2006-05-02 05:37:32 +0000 | [diff] [blame] | 1658 | O << ':'; |
Chris Lattner | 70a54c0 | 2009-09-13 18:25:37 +0000 | [diff] [blame^] | 1659 | |
| 1660 | if (VerboseAsm) { |
Dan Gohman | e45da0d | 2009-08-12 18:47:05 +0000 | [diff] [blame] | 1661 | if (const BasicBlock *BB = MBB->getBasicBlock()) |
| 1662 | if (BB->hasName()) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1663 | O.PadToColumn(MAI->getCommentColumn()); |
| 1664 | O << MAI->getCommentString() << ' '; |
Dan Gohman | 46d5056 | 2009-08-12 20:56:56 +0000 | [diff] [blame] | 1665 | WriteAsOperand(O, BB, /*PrintType=*/false); |
Dan Gohman | e45da0d | 2009-08-12 18:47:05 +0000 | [diff] [blame] | 1666 | } |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 1667 | |
Chris Lattner | 70a54c0 | 2009-09-13 18:25:37 +0000 | [diff] [blame^] | 1668 | EmitComments(*MBB); |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 1669 | } |
Nate Begeman | 37efe67 | 2006-04-22 18:53:45 +0000 | [diff] [blame] | 1670 | } |
Nate Begeman | 52a51e38 | 2006-08-12 21:29:52 +0000 | [diff] [blame] | 1671 | |
Evan Cheng | cc41586 | 2007-11-09 01:32:10 +0000 | [diff] [blame] | 1672 | /// printPICJumpTableSetLabel - This method prints a set label for the |
| 1673 | /// specified MachineBasicBlock for a jumptable entry. |
| 1674 | void AsmPrinter::printPICJumpTableSetLabel(unsigned uid, |
| 1675 | const MachineBasicBlock *MBB) const { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1676 | if (!MAI->getSetDirective()) |
Nate Begeman | 52a51e38 | 2006-08-12 21:29:52 +0000 | [diff] [blame] | 1677 | return; |
| 1678 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1679 | O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix() |
Evan Cheng | 347d39f | 2007-10-14 05:57:21 +0000 | [diff] [blame] | 1680 | << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ','; |
Chris Lattner | 325d3dc | 2009-09-13 17:14:04 +0000 | [diff] [blame] | 1681 | GetMBBSymbol(MBB->getNumber())->print(O, MAI); |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1682 | O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() |
Evan Cheng | 347d39f | 2007-10-14 05:57:21 +0000 | [diff] [blame] | 1683 | << '_' << uid << '\n'; |
Nate Begeman | 52a51e38 | 2006-08-12 21:29:52 +0000 | [diff] [blame] | 1684 | } |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1685 | |
Evan Cheng | cc41586 | 2007-11-09 01:32:10 +0000 | [diff] [blame] | 1686 | void AsmPrinter::printPICJumpTableSetLabel(unsigned uid, unsigned uid2, |
| 1687 | const MachineBasicBlock *MBB) const { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1688 | if (!MAI->getSetDirective()) |
Evan Cheng | 41349c1 | 2006-11-01 09:23:08 +0000 | [diff] [blame] | 1689 | return; |
| 1690 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1691 | O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix() |
Evan Cheng | 347d39f | 2007-10-14 05:57:21 +0000 | [diff] [blame] | 1692 | << getFunctionNumber() << '_' << uid << '_' << uid2 |
| 1693 | << "_set_" << MBB->getNumber() << ','; |
Chris Lattner | 325d3dc | 2009-09-13 17:14:04 +0000 | [diff] [blame] | 1694 | GetMBBSymbol(MBB->getNumber())->print(O, MAI); |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1695 | O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() |
Evan Cheng | 347d39f | 2007-10-14 05:57:21 +0000 | [diff] [blame] | 1696 | << '_' << uid << '_' << uid2 << '\n'; |
Evan Cheng | 41349c1 | 2006-11-01 09:23:08 +0000 | [diff] [blame] | 1697 | } |
| 1698 | |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1699 | /// printDataDirective - This method prints the asm directive for the |
| 1700 | /// specified type. |
Sanjiv Gupta | c8d7bc8 | 2009-01-30 04:25:10 +0000 | [diff] [blame] | 1701 | void AsmPrinter::printDataDirective(const Type *type, unsigned AddrSpace) { |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1702 | const TargetData *TD = TM.getTargetData(); |
| 1703 | switch (type->getTypeID()) { |
Chris Lattner | f1cfea2 | 2009-07-15 04:42:49 +0000 | [diff] [blame] | 1704 | case Type::FloatTyID: case Type::DoubleTyID: |
| 1705 | case Type::X86_FP80TyID: case Type::FP128TyID: case Type::PPC_FP128TyID: |
| 1706 | assert(0 && "Should have already output floating point constant."); |
| 1707 | default: |
| 1708 | assert(0 && "Can't handle printing this type of thing"); |
Reid Spencer | a54b7cb | 2007-01-12 07:05:14 +0000 | [diff] [blame] | 1709 | case Type::IntegerTyID: { |
| 1710 | unsigned BitWidth = cast<IntegerType>(type)->getBitWidth(); |
| 1711 | if (BitWidth <= 8) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1712 | O << MAI->getData8bitsDirective(AddrSpace); |
Reid Spencer | a54b7cb | 2007-01-12 07:05:14 +0000 | [diff] [blame] | 1713 | else if (BitWidth <= 16) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1714 | O << MAI->getData16bitsDirective(AddrSpace); |
Reid Spencer | a54b7cb | 2007-01-12 07:05:14 +0000 | [diff] [blame] | 1715 | else if (BitWidth <= 32) |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1716 | O << MAI->getData32bitsDirective(AddrSpace); |
Reid Spencer | a54b7cb | 2007-01-12 07:05:14 +0000 | [diff] [blame] | 1717 | else if (BitWidth <= 64) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1718 | assert(MAI->getData64bitsDirective(AddrSpace) && |
Reid Spencer | a54b7cb | 2007-01-12 07:05:14 +0000 | [diff] [blame] | 1719 | "Target cannot handle 64-bit constant exprs!"); |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1720 | O << MAI->getData64bitsDirective(AddrSpace); |
Dan Gohman | 82f94f1 | 2008-09-08 16:40:13 +0000 | [diff] [blame] | 1721 | } else { |
Torok Edwin | c23197a | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 1722 | llvm_unreachable("Target cannot handle given data directive width!"); |
Reid Spencer | a54b7cb | 2007-01-12 07:05:14 +0000 | [diff] [blame] | 1723 | } |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1724 | break; |
Reid Spencer | a54b7cb | 2007-01-12 07:05:14 +0000 | [diff] [blame] | 1725 | } |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1726 | case Type::PointerTyID: |
| 1727 | if (TD->getPointerSize() == 8) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1728 | assert(MAI->getData64bitsDirective(AddrSpace) && |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1729 | "Target cannot handle 64-bit pointer exprs!"); |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1730 | O << MAI->getData64bitsDirective(AddrSpace); |
Sanjiv Gupta | fcc6f15 | 2009-01-22 10:14:21 +0000 | [diff] [blame] | 1731 | } else if (TD->getPointerSize() == 2) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1732 | O << MAI->getData16bitsDirective(AddrSpace); |
Sanjiv Gupta | fcc6f15 | 2009-01-22 10:14:21 +0000 | [diff] [blame] | 1733 | } else if (TD->getPointerSize() == 1) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1734 | O << MAI->getData8bitsDirective(AddrSpace); |
Reid Spencer | a54b7cb | 2007-01-12 07:05:14 +0000 | [diff] [blame] | 1735 | } else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1736 | O << MAI->getData32bitsDirective(AddrSpace); |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1737 | } |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1738 | break; |
Evan Cheng | d6594ae | 2006-09-12 21:00:35 +0000 | [diff] [blame] | 1739 | } |
| 1740 | } |
Dale Johannesen | 4c3a5f8 | 2007-02-16 01:54:53 +0000 | [diff] [blame] | 1741 | |
Anton Korobeynikov | f5b6a47 | 2008-08-08 18:25:07 +0000 | [diff] [blame] | 1742 | void AsmPrinter::printVisibility(const std::string& Name, |
| 1743 | unsigned Visibility) const { |
| 1744 | if (Visibility == GlobalValue::HiddenVisibility) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1745 | if (const char *Directive = MAI->getHiddenDirective()) |
Anton Korobeynikov | f5b6a47 | 2008-08-08 18:25:07 +0000 | [diff] [blame] | 1746 | O << Directive << Name << '\n'; |
| 1747 | } else if (Visibility == GlobalValue::ProtectedVisibility) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1748 | if (const char *Directive = MAI->getProtectedDirective()) |
Anton Korobeynikov | f5b6a47 | 2008-08-08 18:25:07 +0000 | [diff] [blame] | 1749 | O << Directive << Name << '\n'; |
| 1750 | } |
| 1751 | } |
Gordon Henriksen | c317a60 | 2008-08-17 12:08:44 +0000 | [diff] [blame] | 1752 | |
Anton Korobeynikov | 7751ad9 | 2008-11-22 16:15:34 +0000 | [diff] [blame] | 1753 | void AsmPrinter::printOffset(int64_t Offset) const { |
| 1754 | if (Offset > 0) |
| 1755 | O << '+' << Offset; |
| 1756 | else if (Offset < 0) |
| 1757 | O << Offset; |
| 1758 | } |
| 1759 | |
Daniel Dunbar | 575327b | 2009-08-14 03:43:57 +0000 | [diff] [blame] | 1760 | void AsmPrinter::printMCInst(const MCInst *MI) { |
| 1761 | llvm_unreachable("MCInst printing unavailable on this target!"); |
| 1762 | } |
| 1763 | |
Gordon Henriksen | 5eca075 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 1764 | GCMetadataPrinter *AsmPrinter::GetOrCreateGCPrinter(GCStrategy *S) { |
| 1765 | if (!S->usesMetadata()) |
Gordon Henriksen | c317a60 | 2008-08-17 12:08:44 +0000 | [diff] [blame] | 1766 | return 0; |
| 1767 | |
Gordon Henriksen | 5eca075 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 1768 | gcp_iterator GCPI = GCMetadataPrinters.find(S); |
Gordon Henriksen | c317a60 | 2008-08-17 12:08:44 +0000 | [diff] [blame] | 1769 | if (GCPI != GCMetadataPrinters.end()) |
| 1770 | return GCPI->second; |
| 1771 | |
Gordon Henriksen | 5eca075 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 1772 | const char *Name = S->getName().c_str(); |
Gordon Henriksen | c317a60 | 2008-08-17 12:08:44 +0000 | [diff] [blame] | 1773 | |
| 1774 | for (GCMetadataPrinterRegistry::iterator |
| 1775 | I = GCMetadataPrinterRegistry::begin(), |
| 1776 | E = GCMetadataPrinterRegistry::end(); I != E; ++I) |
| 1777 | if (strcmp(Name, I->getName()) == 0) { |
Gordon Henriksen | 5eca075 | 2008-08-17 18:44:35 +0000 | [diff] [blame] | 1778 | GCMetadataPrinter *GMP = I->instantiate(); |
| 1779 | GMP->S = S; |
| 1780 | GCMetadataPrinters.insert(std::make_pair(S, GMP)); |
| 1781 | return GMP; |
Gordon Henriksen | c317a60 | 2008-08-17 12:08:44 +0000 | [diff] [blame] | 1782 | } |
| 1783 | |
Chris Lattner | 103289e | 2009-08-23 07:19:13 +0000 | [diff] [blame] | 1784 | errs() << "no GCMetadataPrinter registered for GC: " << Name << "\n"; |
Torok Edwin | c23197a | 2009-07-14 16:55:14 +0000 | [diff] [blame] | 1785 | llvm_unreachable(0); |
Gordon Henriksen | c317a60 | 2008-08-17 12:08:44 +0000 | [diff] [blame] | 1786 | } |
David Greene | 014700c | 2009-07-13 20:25:48 +0000 | [diff] [blame] | 1787 | |
| 1788 | /// EmitComments - Pretty-print comments for instructions |
Chris Lattner | 5f51cd0 | 2009-08-07 23:42:01 +0000 | [diff] [blame] | 1789 | void AsmPrinter::EmitComments(const MachineInstr &MI) const { |
Chris Lattner | c5ea263 | 2009-09-09 23:14:36 +0000 | [diff] [blame] | 1790 | assert(VerboseAsm && !MI.getDebugLoc().isUnknown()); |
Chris Lattner | 5f51cd0 | 2009-08-07 23:42:01 +0000 | [diff] [blame] | 1791 | |
| 1792 | DebugLocTuple DLT = MF->getDebugLocTuple(MI.getDebugLoc()); |
David Greene | 3ac1ab8 | 2009-07-16 22:24:20 +0000 | [diff] [blame] | 1793 | |
Chris Lattner | 8f4b1ec | 2009-08-17 15:48:08 +0000 | [diff] [blame] | 1794 | // Print source line info. |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1795 | O.PadToColumn(MAI->getCommentColumn()); |
| 1796 | O << MAI->getCommentString() << " SrcLine "; |
Devang Patel | e4b2756 | 2009-08-28 23:24:31 +0000 | [diff] [blame] | 1797 | if (DLT.CompileUnit) { |
| 1798 | std::string Str; |
| 1799 | DICompileUnit CU(DLT.CompileUnit); |
| 1800 | O << CU.getFilename(Str) << " "; |
David Greene | 3ac1ab8 | 2009-07-16 22:24:20 +0000 | [diff] [blame] | 1801 | } |
Chris Lattner | 5f51cd0 | 2009-08-07 23:42:01 +0000 | [diff] [blame] | 1802 | O << DLT.Line; |
| 1803 | if (DLT.Col != 0) |
| 1804 | O << ":" << DLT.Col; |
David Greene | 014700c | 2009-07-13 20:25:48 +0000 | [diff] [blame] | 1805 | } |
| 1806 | |
David Greene | fe37ab3 | 2009-08-18 19:22:55 +0000 | [diff] [blame] | 1807 | /// PrintChildLoopComment - Print comments about child loops within |
| 1808 | /// the loop for this basic block, with nesting. |
| 1809 | /// |
| 1810 | static void PrintChildLoopComment(formatted_raw_ostream &O, |
| 1811 | const MachineLoop *loop, |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1812 | const MCAsmInfo *MAI, |
David Greene | fe37ab3 | 2009-08-18 19:22:55 +0000 | [diff] [blame] | 1813 | int FunctionNumber) { |
| 1814 | // Add child loop information |
| 1815 | for(MachineLoop::iterator cl = loop->begin(), |
| 1816 | clend = loop->end(); |
| 1817 | cl != clend; |
| 1818 | ++cl) { |
| 1819 | MachineBasicBlock *Header = (*cl)->getHeader(); |
| 1820 | assert(Header && "No header for loop"); |
| 1821 | |
| 1822 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1823 | O.PadToColumn(MAI->getCommentColumn()); |
David Greene | fe37ab3 | 2009-08-18 19:22:55 +0000 | [diff] [blame] | 1824 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1825 | O << MAI->getCommentString(); |
Chris Lattner | c281de1 | 2009-08-23 00:51:00 +0000 | [diff] [blame] | 1826 | O.indent(((*cl)->getLoopDepth()-1)*2) |
David Greene | fe37ab3 | 2009-08-18 19:22:55 +0000 | [diff] [blame] | 1827 | << " Child Loop BB" << FunctionNumber << "_" |
| 1828 | << Header->getNumber() << " Depth " << (*cl)->getLoopDepth(); |
| 1829 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1830 | PrintChildLoopComment(O, *cl, MAI, FunctionNumber); |
David Greene | fe37ab3 | 2009-08-18 19:22:55 +0000 | [diff] [blame] | 1831 | } |
| 1832 | } |
| 1833 | |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 1834 | /// EmitComments - Pretty-print comments for basic blocks |
| 1835 | void AsmPrinter::EmitComments(const MachineBasicBlock &MBB) const |
| 1836 | { |
David Greene | fe37ab3 | 2009-08-18 19:22:55 +0000 | [diff] [blame] | 1837 | if (VerboseAsm) { |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 1838 | // Add loop depth information |
| 1839 | const MachineLoop *loop = LI->getLoopFor(&MBB); |
| 1840 | |
| 1841 | if (loop) { |
| 1842 | // Print a newline after bb# annotation. |
| 1843 | O << "\n"; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1844 | O.PadToColumn(MAI->getCommentColumn()); |
| 1845 | O << MAI->getCommentString() << " Loop Depth " << loop->getLoopDepth() |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 1846 | << '\n'; |
| 1847 | |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1848 | O.PadToColumn(MAI->getCommentColumn()); |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 1849 | |
| 1850 | MachineBasicBlock *Header = loop->getHeader(); |
| 1851 | assert(Header && "No header for loop"); |
| 1852 | |
| 1853 | if (Header == &MBB) { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1854 | O << MAI->getCommentString() << " Loop Header"; |
| 1855 | PrintChildLoopComment(O, loop, MAI, getFunctionNumber()); |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 1856 | } |
| 1857 | else { |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1858 | O << MAI->getCommentString() << " Loop Header is BB" |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 1859 | << getFunctionNumber() << "_" << loop->getHeader()->getNumber(); |
| 1860 | } |
| 1861 | |
| 1862 | if (loop->empty()) { |
| 1863 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1864 | O.PadToColumn(MAI->getCommentColumn()); |
| 1865 | O << MAI->getCommentString() << " Inner Loop"; |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 1866 | } |
| 1867 | |
| 1868 | // Add parent loop information |
| 1869 | for (const MachineLoop *CurLoop = loop->getParentLoop(); |
| 1870 | CurLoop; |
| 1871 | CurLoop = CurLoop->getParentLoop()) { |
| 1872 | MachineBasicBlock *Header = CurLoop->getHeader(); |
| 1873 | assert(Header && "No header for loop"); |
| 1874 | |
| 1875 | O << '\n'; |
Chris Lattner | 33adcfb | 2009-08-22 21:43:10 +0000 | [diff] [blame] | 1876 | O.PadToColumn(MAI->getCommentColumn()); |
| 1877 | O << MAI->getCommentString(); |
Chris Lattner | c281de1 | 2009-08-23 00:51:00 +0000 | [diff] [blame] | 1878 | O.indent((CurLoop->getLoopDepth()-1)*2) |
David Greene | fe37ab3 | 2009-08-18 19:22:55 +0000 | [diff] [blame] | 1879 | << " Inside Loop BB" << getFunctionNumber() << "_" |
David Greene | b71d1b2 | 2009-08-10 16:38:07 +0000 | [diff] [blame] | 1880 | << Header->getNumber() << " Depth " << CurLoop->getLoopDepth(); |
| 1881 | } |
| 1882 | } |
| 1883 | } |
| 1884 | } |