Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 1 | //===- MIParser.cpp - Machine instructions parser implementation ----------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file implements the parsing of machine instructions. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "MIParser.h" |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 15 | #include "MILexer.h" |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 16 | #include "llvm/ADT/StringMap.h" |
Alex Lorenz | ad156fb | 2015-07-31 20:49:21 +0000 | [diff] [blame] | 17 | #include "llvm/AsmParser/Parser.h" |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 18 | #include "llvm/AsmParser/SlotMapping.h" |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 19 | #include "llvm/CodeGen/MachineBasicBlock.h" |
| 20 | #include "llvm/CodeGen/MachineFunction.h" |
Alex Lorenz | 7feaf7c | 2015-07-16 23:37:45 +0000 | [diff] [blame] | 21 | #include "llvm/CodeGen/MachineFrameInfo.h" |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 22 | #include "llvm/CodeGen/MachineInstr.h" |
Alex Lorenz | cb268d4 | 2015-07-06 23:07:26 +0000 | [diff] [blame] | 23 | #include "llvm/CodeGen/MachineInstrBuilder.h" |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 24 | #include "llvm/CodeGen/MachineMemOperand.h" |
Alex Lorenz | f4baeb5 | 2015-07-21 22:28:27 +0000 | [diff] [blame] | 25 | #include "llvm/CodeGen/MachineModuleInfo.h" |
Alex Lorenz | 7feaf7c | 2015-07-16 23:37:45 +0000 | [diff] [blame] | 26 | #include "llvm/IR/Instructions.h" |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 27 | #include "llvm/IR/Constants.h" |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 28 | #include "llvm/IR/Module.h" |
Alex Lorenz | 8a1915b | 2015-07-27 22:42:41 +0000 | [diff] [blame] | 29 | #include "llvm/IR/ModuleSlotTracker.h" |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 30 | #include "llvm/IR/ValueSymbolTable.h" |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 31 | #include "llvm/Support/raw_ostream.h" |
| 32 | #include "llvm/Support/SourceMgr.h" |
| 33 | #include "llvm/Target/TargetSubtargetInfo.h" |
| 34 | #include "llvm/Target/TargetInstrInfo.h" |
| 35 | |
| 36 | using namespace llvm; |
| 37 | |
| 38 | namespace { |
| 39 | |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 40 | /// A wrapper struct around the 'MachineOperand' struct that includes a source |
Alex Lorenz | feb6b43 | 2015-08-19 19:19:16 +0000 | [diff] [blame] | 41 | /// range and other attributes. |
| 42 | struct ParsedMachineOperand { |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 43 | MachineOperand Operand; |
| 44 | StringRef::iterator Begin; |
| 45 | StringRef::iterator End; |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 46 | Optional<unsigned> TiedDefIdx; |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 47 | |
Alex Lorenz | feb6b43 | 2015-08-19 19:19:16 +0000 | [diff] [blame] | 48 | ParsedMachineOperand(const MachineOperand &Operand, StringRef::iterator Begin, |
| 49 | StringRef::iterator End, Optional<unsigned> &TiedDefIdx) |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 50 | : Operand(Operand), Begin(Begin), End(End), TiedDefIdx(TiedDefIdx) { |
| 51 | if (TiedDefIdx) |
| 52 | assert(Operand.isReg() && Operand.isUse() && |
| 53 | "Only used register operands can be tied"); |
| 54 | } |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 55 | }; |
| 56 | |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 57 | class MIParser { |
| 58 | SourceMgr &SM; |
| 59 | MachineFunction &MF; |
| 60 | SMDiagnostic &Error; |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 61 | StringRef Source, CurrentSource; |
| 62 | MIToken Token; |
Alex Lorenz | 7a503fa | 2015-07-07 17:46:43 +0000 | [diff] [blame] | 63 | const PerFunctionMIParsingState &PFS; |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 64 | /// Maps from indices to unnamed global values and metadata nodes. |
| 65 | const SlotMapping &IRSlots; |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 66 | /// Maps from instruction names to op codes. |
| 67 | StringMap<unsigned> Names2InstrOpCodes; |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 68 | /// Maps from register names to registers. |
| 69 | StringMap<unsigned> Names2Regs; |
Alex Lorenz | 8f6f428 | 2015-06-29 16:57:06 +0000 | [diff] [blame] | 70 | /// Maps from register mask names to register masks. |
| 71 | StringMap<const uint32_t *> Names2RegMasks; |
Alex Lorenz | 2eacca8 | 2015-07-13 23:24:34 +0000 | [diff] [blame] | 72 | /// Maps from subregister names to subregister indices. |
| 73 | StringMap<unsigned> Names2SubRegIndices; |
Alex Lorenz | 8a1915b | 2015-07-27 22:42:41 +0000 | [diff] [blame] | 74 | /// Maps from slot numbers to function's unnamed basic blocks. |
| 75 | DenseMap<unsigned, const BasicBlock *> Slots2BasicBlocks; |
Alex Lorenz | dd13be0 | 2015-08-19 23:31:05 +0000 | [diff] [blame] | 76 | /// Maps from slot numbers to function's unnamed values. |
| 77 | DenseMap<unsigned, const Value *> Slots2Values; |
Alex Lorenz | ef5c196 | 2015-07-28 23:02:45 +0000 | [diff] [blame] | 78 | /// Maps from target index names to target indices. |
| 79 | StringMap<int> Names2TargetIndices; |
Alex Lorenz | 49873a8 | 2015-08-06 00:44:07 +0000 | [diff] [blame] | 80 | /// Maps from direct target flag names to the direct target flag values. |
| 81 | StringMap<unsigned> Names2DirectTargetFlags; |
Alex Lorenz | f363011 | 2015-08-18 22:52:15 +0000 | [diff] [blame] | 82 | /// Maps from direct target flag names to the bitmask target flag values. |
| 83 | StringMap<unsigned> Names2BitmaskTargetFlags; |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 84 | |
| 85 | public: |
| 86 | MIParser(SourceMgr &SM, MachineFunction &MF, SMDiagnostic &Error, |
Alex Lorenz | 7a503fa | 2015-07-07 17:46:43 +0000 | [diff] [blame] | 87 | StringRef Source, const PerFunctionMIParsingState &PFS, |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 88 | const SlotMapping &IRSlots); |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 89 | |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 90 | void lex(); |
| 91 | |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 92 | /// Report an error at the current location with the given message. |
| 93 | /// |
| 94 | /// This function always return true. |
| 95 | bool error(const Twine &Msg); |
| 96 | |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 97 | /// Report an error at the given location with the given message. |
| 98 | /// |
| 99 | /// This function always return true. |
| 100 | bool error(StringRef::iterator Loc, const Twine &Msg); |
| 101 | |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 102 | bool |
| 103 | parseBasicBlockDefinitions(DenseMap<unsigned, MachineBasicBlock *> &MBBSlots); |
| 104 | bool parseBasicBlocks(); |
Alex Lorenz | 3708a64 | 2015-06-30 17:47:50 +0000 | [diff] [blame] | 105 | bool parse(MachineInstr *&MI); |
Alex Lorenz | 1ea6089 | 2015-07-27 20:29:27 +0000 | [diff] [blame] | 106 | bool parseStandaloneMBB(MachineBasicBlock *&MBB); |
| 107 | bool parseStandaloneNamedRegister(unsigned &Reg); |
Alex Lorenz | 12045a4 | 2015-07-27 17:42:45 +0000 | [diff] [blame] | 108 | bool parseStandaloneVirtualRegister(unsigned &Reg); |
Alex Lorenz | a314d81 | 2015-08-18 22:26:26 +0000 | [diff] [blame] | 109 | bool parseStandaloneStackObject(int &FI); |
Alex Lorenz | df9e3c6 | 2015-08-19 00:13:25 +0000 | [diff] [blame] | 110 | bool parseStandaloneMDNode(MDNode *&Node); |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 111 | |
| 112 | bool |
| 113 | parseBasicBlockDefinition(DenseMap<unsigned, MachineBasicBlock *> &MBBSlots); |
| 114 | bool parseBasicBlock(MachineBasicBlock &MBB); |
| 115 | bool parseBasicBlockLiveins(MachineBasicBlock &MBB); |
| 116 | bool parseBasicBlockSuccessors(MachineBasicBlock &MBB); |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 117 | |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 118 | bool parseRegister(unsigned &Reg); |
Alex Lorenz | cb268d4 | 2015-07-06 23:07:26 +0000 | [diff] [blame] | 119 | bool parseRegisterFlag(unsigned &Flags); |
Alex Lorenz | 2eacca8 | 2015-07-13 23:24:34 +0000 | [diff] [blame] | 120 | bool parseSubRegisterIndex(unsigned &SubReg); |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 121 | bool parseRegisterTiedDefIndex(unsigned &TiedDefIdx); |
| 122 | bool parseRegisterOperand(MachineOperand &Dest, |
| 123 | Optional<unsigned> &TiedDefIdx, bool IsDef = false); |
Alex Lorenz | 240fc1e | 2015-06-23 23:42:28 +0000 | [diff] [blame] | 124 | bool parseImmediateOperand(MachineOperand &Dest); |
Alex Lorenz | 5d8b0bd | 2015-08-21 21:48:22 +0000 | [diff] [blame] | 125 | bool parseIRConstant(StringRef::iterator Loc, StringRef Source, |
| 126 | const Constant *&C); |
Alex Lorenz | 7eaff4c | 2015-08-05 18:44:00 +0000 | [diff] [blame] | 127 | bool parseIRConstant(StringRef::iterator Loc, const Constant *&C); |
Alex Lorenz | 05e3882 | 2015-08-05 18:52:21 +0000 | [diff] [blame] | 128 | bool parseTypedImmediateOperand(MachineOperand &Dest); |
Alex Lorenz | ad156fb | 2015-07-31 20:49:21 +0000 | [diff] [blame] | 129 | bool parseFPImmediateOperand(MachineOperand &Dest); |
Alex Lorenz | f09df00 | 2015-06-30 18:16:42 +0000 | [diff] [blame] | 130 | bool parseMBBReference(MachineBasicBlock *&MBB); |
Alex Lorenz | 33f0aef | 2015-06-26 16:46:11 +0000 | [diff] [blame] | 131 | bool parseMBBOperand(MachineOperand &Dest); |
Alex Lorenz | dc9dadf | 2015-08-18 22:18:52 +0000 | [diff] [blame] | 132 | bool parseStackFrameIndex(int &FI); |
Alex Lorenz | 7feaf7c | 2015-07-16 23:37:45 +0000 | [diff] [blame] | 133 | bool parseStackObjectOperand(MachineOperand &Dest); |
Alex Lorenz | ea88212 | 2015-08-12 21:17:02 +0000 | [diff] [blame] | 134 | bool parseFixedStackFrameIndex(int &FI); |
Alex Lorenz | 7feaf7c | 2015-07-16 23:37:45 +0000 | [diff] [blame] | 135 | bool parseFixedStackObjectOperand(MachineOperand &Dest); |
Alex Lorenz | 41df7d3 | 2015-07-28 17:09:52 +0000 | [diff] [blame] | 136 | bool parseGlobalValue(GlobalValue *&GV); |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 137 | bool parseGlobalAddressOperand(MachineOperand &Dest); |
Alex Lorenz | ab98049 | 2015-07-20 20:51:18 +0000 | [diff] [blame] | 138 | bool parseConstantPoolIndexOperand(MachineOperand &Dest); |
Alex Lorenz | 31d7068 | 2015-07-15 23:38:35 +0000 | [diff] [blame] | 139 | bool parseJumpTableIndexOperand(MachineOperand &Dest); |
Alex Lorenz | 6ede374 | 2015-07-21 16:59:53 +0000 | [diff] [blame] | 140 | bool parseExternalSymbolOperand(MachineOperand &Dest); |
Alex Lorenz | 44f2925 | 2015-07-22 21:07:04 +0000 | [diff] [blame] | 141 | bool parseMDNode(MDNode *&Node); |
Alex Lorenz | 35e4446 | 2015-07-22 17:58:46 +0000 | [diff] [blame] | 142 | bool parseMetadataOperand(MachineOperand &Dest); |
Alex Lorenz | f4baeb5 | 2015-07-21 22:28:27 +0000 | [diff] [blame] | 143 | bool parseCFIOffset(int &Offset); |
Alex Lorenz | 8cfc686 | 2015-07-23 23:09:07 +0000 | [diff] [blame] | 144 | bool parseCFIRegister(unsigned &Reg); |
Alex Lorenz | f4baeb5 | 2015-07-21 22:28:27 +0000 | [diff] [blame] | 145 | bool parseCFIOperand(MachineOperand &Dest); |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 146 | bool parseIRBlock(BasicBlock *&BB, const Function &F); |
| 147 | bool parseBlockAddressOperand(MachineOperand &Dest); |
Alex Lorenz | ef5c196 | 2015-07-28 23:02:45 +0000 | [diff] [blame] | 148 | bool parseTargetIndexOperand(MachineOperand &Dest); |
Alex Lorenz | b97c9ef | 2015-08-10 23:24:42 +0000 | [diff] [blame] | 149 | bool parseLiveoutRegisterMaskOperand(MachineOperand &Dest); |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 150 | bool parseMachineOperand(MachineOperand &Dest, |
| 151 | Optional<unsigned> &TiedDefIdx); |
| 152 | bool parseMachineOperandAndTargetFlags(MachineOperand &Dest, |
| 153 | Optional<unsigned> &TiedDefIdx); |
Alex Lorenz | dc24c17 | 2015-08-07 20:21:00 +0000 | [diff] [blame] | 154 | bool parseOffset(int64_t &Offset); |
Alex Lorenz | 620f891 | 2015-08-13 20:33:33 +0000 | [diff] [blame] | 155 | bool parseAlignment(unsigned &Alignment); |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 156 | bool parseOperandsOffset(MachineOperand &Op); |
Alex Lorenz | 36593ac | 2015-08-19 23:27:07 +0000 | [diff] [blame] | 157 | bool parseIRValue(const Value *&V); |
Alex Lorenz | a518b79 | 2015-08-04 00:24:45 +0000 | [diff] [blame] | 158 | bool parseMemoryOperandFlag(unsigned &Flags); |
Alex Lorenz | 91097a3 | 2015-08-12 20:33:26 +0000 | [diff] [blame] | 159 | bool parseMemoryPseudoSourceValue(const PseudoSourceValue *&PSV); |
| 160 | bool parseMachinePointerInfo(MachinePointerInfo &Dest); |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 161 | bool parseMachineMemoryOperand(MachineMemOperand *&Dest); |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 162 | |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 163 | private: |
Alex Lorenz | 33f0aef | 2015-06-26 16:46:11 +0000 | [diff] [blame] | 164 | /// Convert the integer literal in the current token into an unsigned integer. |
| 165 | /// |
| 166 | /// Return true if an error occurred. |
| 167 | bool getUnsigned(unsigned &Result); |
| 168 | |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 169 | /// Convert the integer literal in the current token into an uint64. |
| 170 | /// |
| 171 | /// Return true if an error occurred. |
| 172 | bool getUint64(uint64_t &Result); |
| 173 | |
Alex Lorenz | 8cfc686 | 2015-07-23 23:09:07 +0000 | [diff] [blame] | 174 | /// If the current token is of the given kind, consume it and return false. |
| 175 | /// Otherwise report an error and return true. |
| 176 | bool expectAndConsume(MIToken::TokenKind TokenKind); |
| 177 | |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 178 | /// If the current token is of the given kind, consume it and return true. |
| 179 | /// Otherwise return false. |
| 180 | bool consumeIfPresent(MIToken::TokenKind TokenKind); |
| 181 | |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 182 | void initNames2InstrOpCodes(); |
| 183 | |
| 184 | /// Try to convert an instruction name to an opcode. Return true if the |
| 185 | /// instruction name is invalid. |
| 186 | bool parseInstrName(StringRef InstrName, unsigned &OpCode); |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 187 | |
Alex Lorenz | e5a4466 | 2015-07-17 00:24:15 +0000 | [diff] [blame] | 188 | bool parseInstruction(unsigned &OpCode, unsigned &Flags); |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 189 | |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 190 | bool assignRegisterTies(MachineInstr &MI, |
Alex Lorenz | feb6b43 | 2015-08-19 19:19:16 +0000 | [diff] [blame] | 191 | ArrayRef<ParsedMachineOperand> Operands); |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 192 | |
Alex Lorenz | feb6b43 | 2015-08-19 19:19:16 +0000 | [diff] [blame] | 193 | bool verifyImplicitOperands(ArrayRef<ParsedMachineOperand> Operands, |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 194 | const MCInstrDesc &MCID); |
| 195 | |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 196 | void initNames2Regs(); |
| 197 | |
| 198 | /// Try to convert a register name to a register number. Return true if the |
| 199 | /// register name is invalid. |
| 200 | bool getRegisterByName(StringRef RegName, unsigned &Reg); |
Alex Lorenz | 8f6f428 | 2015-06-29 16:57:06 +0000 | [diff] [blame] | 201 | |
| 202 | void initNames2RegMasks(); |
| 203 | |
| 204 | /// Check if the given identifier is a name of a register mask. |
| 205 | /// |
| 206 | /// Return null if the identifier isn't a register mask. |
| 207 | const uint32_t *getRegMask(StringRef Identifier); |
Alex Lorenz | 2eacca8 | 2015-07-13 23:24:34 +0000 | [diff] [blame] | 208 | |
| 209 | void initNames2SubRegIndices(); |
| 210 | |
| 211 | /// Check if the given identifier is a name of a subregister index. |
| 212 | /// |
| 213 | /// Return 0 if the name isn't a subregister index class. |
| 214 | unsigned getSubRegIndex(StringRef Name); |
Alex Lorenz | 8a1915b | 2015-07-27 22:42:41 +0000 | [diff] [blame] | 215 | |
Alex Lorenz | 8a1915b | 2015-07-27 22:42:41 +0000 | [diff] [blame] | 216 | const BasicBlock *getIRBlock(unsigned Slot); |
Alex Lorenz | cba8c5f | 2015-08-06 23:57:04 +0000 | [diff] [blame] | 217 | const BasicBlock *getIRBlock(unsigned Slot, const Function &F); |
Alex Lorenz | ef5c196 | 2015-07-28 23:02:45 +0000 | [diff] [blame] | 218 | |
Alex Lorenz | dd13be0 | 2015-08-19 23:31:05 +0000 | [diff] [blame] | 219 | const Value *getIRValue(unsigned Slot); |
| 220 | |
Alex Lorenz | ef5c196 | 2015-07-28 23:02:45 +0000 | [diff] [blame] | 221 | void initNames2TargetIndices(); |
| 222 | |
| 223 | /// Try to convert a name of target index to the corresponding target index. |
| 224 | /// |
| 225 | /// Return true if the name isn't a name of a target index. |
| 226 | bool getTargetIndex(StringRef Name, int &Index); |
Alex Lorenz | 49873a8 | 2015-08-06 00:44:07 +0000 | [diff] [blame] | 227 | |
| 228 | void initNames2DirectTargetFlags(); |
| 229 | |
| 230 | /// Try to convert a name of a direct target flag to the corresponding |
| 231 | /// target flag. |
| 232 | /// |
| 233 | /// Return true if the name isn't a name of a direct flag. |
| 234 | bool getDirectTargetFlag(StringRef Name, unsigned &Flag); |
Alex Lorenz | f363011 | 2015-08-18 22:52:15 +0000 | [diff] [blame] | 235 | |
| 236 | void initNames2BitmaskTargetFlags(); |
| 237 | |
| 238 | /// Try to convert a name of a bitmask target flag to the corresponding |
| 239 | /// target flag. |
| 240 | /// |
| 241 | /// Return true if the name isn't a name of a bitmask target flag. |
| 242 | bool getBitmaskTargetFlag(StringRef Name, unsigned &Flag); |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 243 | }; |
| 244 | |
| 245 | } // end anonymous namespace |
| 246 | |
| 247 | MIParser::MIParser(SourceMgr &SM, MachineFunction &MF, SMDiagnostic &Error, |
Alex Lorenz | 7a503fa | 2015-07-07 17:46:43 +0000 | [diff] [blame] | 248 | StringRef Source, const PerFunctionMIParsingState &PFS, |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 249 | const SlotMapping &IRSlots) |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 250 | : SM(SM), MF(MF), Error(Error), Source(Source), CurrentSource(Source), |
Alex Lorenz | 3fb7768 | 2015-08-06 23:17:42 +0000 | [diff] [blame] | 251 | PFS(PFS), IRSlots(IRSlots) {} |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 252 | |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 253 | void MIParser::lex() { |
| 254 | CurrentSource = lexMIToken( |
| 255 | CurrentSource, Token, |
| 256 | [this](StringRef::iterator Loc, const Twine &Msg) { error(Loc, Msg); }); |
| 257 | } |
| 258 | |
| 259 | bool MIParser::error(const Twine &Msg) { return error(Token.location(), Msg); } |
| 260 | |
| 261 | bool MIParser::error(StringRef::iterator Loc, const Twine &Msg) { |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 262 | assert(Loc >= Source.data() && Loc <= (Source.data() + Source.size())); |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 263 | const MemoryBuffer &Buffer = *SM.getMemoryBuffer(SM.getMainFileID()); |
| 264 | if (Loc >= Buffer.getBufferStart() && Loc <= Buffer.getBufferEnd()) { |
| 265 | // Create an ordinary diagnostic when the source manager's buffer is the |
| 266 | // source string. |
| 267 | Error = SM.GetMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Error, Msg); |
| 268 | return true; |
| 269 | } |
| 270 | // Create a diagnostic for a YAML string literal. |
| 271 | Error = SMDiagnostic(SM, SMLoc(), Buffer.getBufferIdentifier(), 1, |
| 272 | Loc - Source.data(), SourceMgr::DK_Error, Msg.str(), |
| 273 | Source, None, None); |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 274 | return true; |
| 275 | } |
| 276 | |
Alex Lorenz | 8cfc686 | 2015-07-23 23:09:07 +0000 | [diff] [blame] | 277 | static const char *toString(MIToken::TokenKind TokenKind) { |
| 278 | switch (TokenKind) { |
| 279 | case MIToken::comma: |
| 280 | return "','"; |
Alex Lorenz | fbe9c04 | 2015-07-29 18:51:21 +0000 | [diff] [blame] | 281 | case MIToken::equal: |
| 282 | return "'='"; |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 283 | case MIToken::colon: |
| 284 | return "':'"; |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 285 | case MIToken::lparen: |
| 286 | return "'('"; |
| 287 | case MIToken::rparen: |
| 288 | return "')'"; |
Alex Lorenz | 8cfc686 | 2015-07-23 23:09:07 +0000 | [diff] [blame] | 289 | default: |
| 290 | return "<unknown token>"; |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | bool MIParser::expectAndConsume(MIToken::TokenKind TokenKind) { |
| 295 | if (Token.isNot(TokenKind)) |
| 296 | return error(Twine("expected ") + toString(TokenKind)); |
| 297 | lex(); |
| 298 | return false; |
| 299 | } |
| 300 | |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 301 | bool MIParser::consumeIfPresent(MIToken::TokenKind TokenKind) { |
| 302 | if (Token.isNot(TokenKind)) |
| 303 | return false; |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 304 | lex(); |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 305 | return true; |
| 306 | } |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 307 | |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 308 | bool MIParser::parseBasicBlockDefinition( |
| 309 | DenseMap<unsigned, MachineBasicBlock *> &MBBSlots) { |
| 310 | assert(Token.is(MIToken::MachineBasicBlockLabel)); |
| 311 | unsigned ID = 0; |
| 312 | if (getUnsigned(ID)) |
| 313 | return true; |
| 314 | auto Loc = Token.location(); |
| 315 | auto Name = Token.stringValue(); |
| 316 | lex(); |
| 317 | bool HasAddressTaken = false; |
| 318 | bool IsLandingPad = false; |
| 319 | unsigned Alignment = 0; |
| 320 | BasicBlock *BB = nullptr; |
| 321 | if (consumeIfPresent(MIToken::lparen)) { |
| 322 | do { |
| 323 | // TODO: Report an error when multiple same attributes are specified. |
| 324 | switch (Token.kind()) { |
| 325 | case MIToken::kw_address_taken: |
| 326 | HasAddressTaken = true; |
| 327 | lex(); |
| 328 | break; |
| 329 | case MIToken::kw_landing_pad: |
| 330 | IsLandingPad = true; |
| 331 | lex(); |
| 332 | break; |
| 333 | case MIToken::kw_align: |
| 334 | if (parseAlignment(Alignment)) |
| 335 | return true; |
| 336 | break; |
| 337 | case MIToken::IRBlock: |
| 338 | // TODO: Report an error when both name and ir block are specified. |
| 339 | if (parseIRBlock(BB, *MF.getFunction())) |
| 340 | return true; |
| 341 | lex(); |
| 342 | break; |
| 343 | default: |
| 344 | break; |
| 345 | } |
| 346 | } while (consumeIfPresent(MIToken::comma)); |
| 347 | if (expectAndConsume(MIToken::rparen)) |
| 348 | return true; |
| 349 | } |
| 350 | if (expectAndConsume(MIToken::colon)) |
| 351 | return true; |
| 352 | |
| 353 | if (!Name.empty()) { |
| 354 | BB = dyn_cast_or_null<BasicBlock>( |
| 355 | MF.getFunction()->getValueSymbolTable().lookup(Name)); |
| 356 | if (!BB) |
| 357 | return error(Loc, Twine("basic block '") + Name + |
| 358 | "' is not defined in the function '" + |
| 359 | MF.getName() + "'"); |
| 360 | } |
| 361 | auto *MBB = MF.CreateMachineBasicBlock(BB); |
| 362 | MF.insert(MF.end(), MBB); |
| 363 | bool WasInserted = MBBSlots.insert(std::make_pair(ID, MBB)).second; |
| 364 | if (!WasInserted) |
| 365 | return error(Loc, Twine("redefinition of machine basic block with id #") + |
| 366 | Twine(ID)); |
| 367 | if (Alignment) |
| 368 | MBB->setAlignment(Alignment); |
| 369 | if (HasAddressTaken) |
| 370 | MBB->setHasAddressTaken(); |
Reid Kleckner | 0e28823 | 2015-08-27 23:27:47 +0000 | [diff] [blame] | 371 | MBB->setIsEHPad(IsLandingPad); |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 372 | return false; |
| 373 | } |
| 374 | |
| 375 | bool MIParser::parseBasicBlockDefinitions( |
| 376 | DenseMap<unsigned, MachineBasicBlock *> &MBBSlots) { |
| 377 | lex(); |
| 378 | // Skip until the first machine basic block. |
| 379 | while (Token.is(MIToken::Newline)) |
| 380 | lex(); |
| 381 | if (Token.isErrorOrEOF()) |
| 382 | return Token.isError(); |
| 383 | if (Token.isNot(MIToken::MachineBasicBlockLabel)) |
| 384 | return error("expected a basic block definition before instructions"); |
Alex Lorenz | f9a2b12 | 2015-08-14 18:57:24 +0000 | [diff] [blame] | 385 | unsigned BraceDepth = 0; |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 386 | do { |
| 387 | if (parseBasicBlockDefinition(MBBSlots)) |
| 388 | return true; |
| 389 | bool IsAfterNewline = false; |
| 390 | // Skip until the next machine basic block. |
| 391 | while (true) { |
| 392 | if ((Token.is(MIToken::MachineBasicBlockLabel) && IsAfterNewline) || |
| 393 | Token.isErrorOrEOF()) |
| 394 | break; |
| 395 | else if (Token.is(MIToken::MachineBasicBlockLabel)) |
| 396 | return error("basic block definition should be located at the start of " |
| 397 | "the line"); |
Alex Lorenz | f9a2b12 | 2015-08-14 18:57:24 +0000 | [diff] [blame] | 398 | else if (consumeIfPresent(MIToken::Newline)) { |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 399 | IsAfterNewline = true; |
Alex Lorenz | f9a2b12 | 2015-08-14 18:57:24 +0000 | [diff] [blame] | 400 | continue; |
| 401 | } |
| 402 | IsAfterNewline = false; |
| 403 | if (Token.is(MIToken::lbrace)) |
| 404 | ++BraceDepth; |
| 405 | if (Token.is(MIToken::rbrace)) { |
| 406 | if (!BraceDepth) |
| 407 | return error("extraneous closing brace ('}')"); |
| 408 | --BraceDepth; |
| 409 | } |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 410 | lex(); |
| 411 | } |
Alex Lorenz | f9a2b12 | 2015-08-14 18:57:24 +0000 | [diff] [blame] | 412 | // Verify that we closed all of the '{' at the end of a file or a block. |
| 413 | if (!Token.isError() && BraceDepth) |
| 414 | return error("expected '}'"); // FIXME: Report a note that shows '{'. |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 415 | } while (!Token.isErrorOrEOF()); |
| 416 | return Token.isError(); |
| 417 | } |
| 418 | |
| 419 | bool MIParser::parseBasicBlockLiveins(MachineBasicBlock &MBB) { |
| 420 | assert(Token.is(MIToken::kw_liveins)); |
| 421 | lex(); |
| 422 | if (expectAndConsume(MIToken::colon)) |
| 423 | return true; |
| 424 | if (Token.isNewlineOrEOF()) // Allow an empty list of liveins. |
| 425 | return false; |
| 426 | do { |
| 427 | if (Token.isNot(MIToken::NamedRegister)) |
| 428 | return error("expected a named register"); |
| 429 | unsigned Reg = 0; |
| 430 | if (parseRegister(Reg)) |
| 431 | return true; |
| 432 | MBB.addLiveIn(Reg); |
| 433 | lex(); |
| 434 | } while (consumeIfPresent(MIToken::comma)); |
| 435 | return false; |
| 436 | } |
| 437 | |
| 438 | bool MIParser::parseBasicBlockSuccessors(MachineBasicBlock &MBB) { |
| 439 | assert(Token.is(MIToken::kw_successors)); |
| 440 | lex(); |
| 441 | if (expectAndConsume(MIToken::colon)) |
| 442 | return true; |
| 443 | if (Token.isNewlineOrEOF()) // Allow an empty list of successors. |
| 444 | return false; |
| 445 | do { |
| 446 | if (Token.isNot(MIToken::MachineBasicBlock)) |
| 447 | return error("expected a machine basic block reference"); |
| 448 | MachineBasicBlock *SuccMBB = nullptr; |
| 449 | if (parseMBBReference(SuccMBB)) |
| 450 | return true; |
| 451 | lex(); |
| 452 | unsigned Weight = 0; |
| 453 | if (consumeIfPresent(MIToken::lparen)) { |
| 454 | if (Token.isNot(MIToken::IntegerLiteral)) |
| 455 | return error("expected an integer literal after '('"); |
| 456 | if (getUnsigned(Weight)) |
| 457 | return true; |
| 458 | lex(); |
| 459 | if (expectAndConsume(MIToken::rparen)) |
| 460 | return true; |
| 461 | } |
Cong Hou | d97c100 | 2015-12-01 05:29:22 +0000 | [diff] [blame] | 462 | MBB.addSuccessor(SuccMBB, BranchProbability::getRaw(Weight)); |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 463 | } while (consumeIfPresent(MIToken::comma)); |
Cong Hou | d97c100 | 2015-12-01 05:29:22 +0000 | [diff] [blame] | 464 | MBB.normalizeSuccProbs(); |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 465 | return false; |
| 466 | } |
| 467 | |
| 468 | bool MIParser::parseBasicBlock(MachineBasicBlock &MBB) { |
| 469 | // Skip the definition. |
| 470 | assert(Token.is(MIToken::MachineBasicBlockLabel)); |
| 471 | lex(); |
| 472 | if (consumeIfPresent(MIToken::lparen)) { |
| 473 | while (Token.isNot(MIToken::rparen) && !Token.isErrorOrEOF()) |
| 474 | lex(); |
| 475 | consumeIfPresent(MIToken::rparen); |
| 476 | } |
| 477 | consumeIfPresent(MIToken::colon); |
| 478 | |
| 479 | // Parse the liveins and successors. |
| 480 | // N.B: Multiple lists of successors and liveins are allowed and they're |
| 481 | // merged into one. |
| 482 | // Example: |
| 483 | // liveins: %edi |
| 484 | // liveins: %esi |
| 485 | // |
| 486 | // is equivalent to |
| 487 | // liveins: %edi, %esi |
| 488 | while (true) { |
| 489 | if (Token.is(MIToken::kw_successors)) { |
| 490 | if (parseBasicBlockSuccessors(MBB)) |
| 491 | return true; |
| 492 | } else if (Token.is(MIToken::kw_liveins)) { |
| 493 | if (parseBasicBlockLiveins(MBB)) |
| 494 | return true; |
| 495 | } else if (consumeIfPresent(MIToken::Newline)) { |
| 496 | continue; |
| 497 | } else |
| 498 | break; |
| 499 | if (!Token.isNewlineOrEOF()) |
| 500 | return error("expected line break at the end of a list"); |
| 501 | lex(); |
| 502 | } |
| 503 | |
| 504 | // Parse the instructions. |
Alex Lorenz | f9a2b12 | 2015-08-14 18:57:24 +0000 | [diff] [blame] | 505 | bool IsInBundle = false; |
| 506 | MachineInstr *PrevMI = nullptr; |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 507 | while (true) { |
| 508 | if (Token.is(MIToken::MachineBasicBlockLabel) || Token.is(MIToken::Eof)) |
| 509 | return false; |
| 510 | else if (consumeIfPresent(MIToken::Newline)) |
| 511 | continue; |
Alex Lorenz | f9a2b12 | 2015-08-14 18:57:24 +0000 | [diff] [blame] | 512 | if (consumeIfPresent(MIToken::rbrace)) { |
| 513 | // The first parsing pass should verify that all closing '}' have an |
| 514 | // opening '{'. |
| 515 | assert(IsInBundle); |
| 516 | IsInBundle = false; |
| 517 | continue; |
| 518 | } |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 519 | MachineInstr *MI = nullptr; |
| 520 | if (parse(MI)) |
| 521 | return true; |
| 522 | MBB.insert(MBB.end(), MI); |
Alex Lorenz | f9a2b12 | 2015-08-14 18:57:24 +0000 | [diff] [blame] | 523 | if (IsInBundle) { |
| 524 | PrevMI->setFlag(MachineInstr::BundledSucc); |
| 525 | MI->setFlag(MachineInstr::BundledPred); |
| 526 | } |
| 527 | PrevMI = MI; |
| 528 | if (Token.is(MIToken::lbrace)) { |
| 529 | if (IsInBundle) |
| 530 | return error("nested instruction bundles are not allowed"); |
| 531 | lex(); |
| 532 | // This instruction is the start of the bundle. |
| 533 | MI->setFlag(MachineInstr::BundledSucc); |
| 534 | IsInBundle = true; |
| 535 | if (!Token.is(MIToken::Newline)) |
| 536 | // The next instruction can be on the same line. |
| 537 | continue; |
| 538 | } |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 539 | assert(Token.isNewlineOrEOF() && "MI is not fully parsed"); |
| 540 | lex(); |
| 541 | } |
| 542 | return false; |
| 543 | } |
| 544 | |
| 545 | bool MIParser::parseBasicBlocks() { |
| 546 | lex(); |
| 547 | // Skip until the first machine basic block. |
| 548 | while (Token.is(MIToken::Newline)) |
| 549 | lex(); |
| 550 | if (Token.isErrorOrEOF()) |
| 551 | return Token.isError(); |
| 552 | // The first parsing pass should have verified that this token is a MBB label |
| 553 | // in the 'parseBasicBlockDefinitions' method. |
| 554 | assert(Token.is(MIToken::MachineBasicBlockLabel)); |
| 555 | do { |
| 556 | MachineBasicBlock *MBB = nullptr; |
| 557 | if (parseMBBReference(MBB)) |
| 558 | return true; |
| 559 | if (parseBasicBlock(*MBB)) |
| 560 | return true; |
| 561 | // The method 'parseBasicBlock' should parse the whole block until the next |
| 562 | // block or the end of file. |
| 563 | assert(Token.is(MIToken::MachineBasicBlockLabel) || Token.is(MIToken::Eof)); |
| 564 | } while (Token.isNot(MIToken::Eof)); |
| 565 | return false; |
| 566 | } |
| 567 | |
| 568 | bool MIParser::parse(MachineInstr *&MI) { |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 569 | // Parse any register operands before '=' |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 570 | MachineOperand MO = MachineOperand::CreateImm(0); |
Alex Lorenz | feb6b43 | 2015-08-19 19:19:16 +0000 | [diff] [blame] | 571 | SmallVector<ParsedMachineOperand, 8> Operands; |
Alex Lorenz | fbe9c04 | 2015-07-29 18:51:21 +0000 | [diff] [blame] | 572 | while (Token.isRegister() || Token.isRegisterFlag()) { |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 573 | auto Loc = Token.location(); |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 574 | Optional<unsigned> TiedDefIdx; |
| 575 | if (parseRegisterOperand(MO, TiedDefIdx, /*IsDef=*/true)) |
Alex Lorenz | 3708a64 | 2015-06-30 17:47:50 +0000 | [diff] [blame] | 576 | return true; |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 577 | Operands.push_back( |
Alex Lorenz | feb6b43 | 2015-08-19 19:19:16 +0000 | [diff] [blame] | 578 | ParsedMachineOperand(MO, Loc, Token.location(), TiedDefIdx)); |
Alex Lorenz | fbe9c04 | 2015-07-29 18:51:21 +0000 | [diff] [blame] | 579 | if (Token.isNot(MIToken::comma)) |
| 580 | break; |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 581 | lex(); |
| 582 | } |
Alex Lorenz | fbe9c04 | 2015-07-29 18:51:21 +0000 | [diff] [blame] | 583 | if (!Operands.empty() && expectAndConsume(MIToken::equal)) |
| 584 | return true; |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 585 | |
Alex Lorenz | e5a4466 | 2015-07-17 00:24:15 +0000 | [diff] [blame] | 586 | unsigned OpCode, Flags = 0; |
| 587 | if (Token.isError() || parseInstruction(OpCode, Flags)) |
Alex Lorenz | 3708a64 | 2015-06-30 17:47:50 +0000 | [diff] [blame] | 588 | return true; |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 589 | |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 590 | // Parse the remaining machine operands. |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 591 | while (!Token.isNewlineOrEOF() && Token.isNot(MIToken::kw_debug_location) && |
Alex Lorenz | f9a2b12 | 2015-08-14 18:57:24 +0000 | [diff] [blame] | 592 | Token.isNot(MIToken::coloncolon) && Token.isNot(MIToken::lbrace)) { |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 593 | auto Loc = Token.location(); |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 594 | Optional<unsigned> TiedDefIdx; |
| 595 | if (parseMachineOperandAndTargetFlags(MO, TiedDefIdx)) |
Alex Lorenz | 3708a64 | 2015-06-30 17:47:50 +0000 | [diff] [blame] | 596 | return true; |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 597 | Operands.push_back( |
Alex Lorenz | feb6b43 | 2015-08-19 19:19:16 +0000 | [diff] [blame] | 598 | ParsedMachineOperand(MO, Loc, Token.location(), TiedDefIdx)); |
Alex Lorenz | f9a2b12 | 2015-08-14 18:57:24 +0000 | [diff] [blame] | 599 | if (Token.isNewlineOrEOF() || Token.is(MIToken::coloncolon) || |
| 600 | Token.is(MIToken::lbrace)) |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 601 | break; |
Alex Lorenz | 3708a64 | 2015-06-30 17:47:50 +0000 | [diff] [blame] | 602 | if (Token.isNot(MIToken::comma)) |
| 603 | return error("expected ',' before the next machine operand"); |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 604 | lex(); |
| 605 | } |
| 606 | |
Alex Lorenz | 46d760d | 2015-07-22 21:15:11 +0000 | [diff] [blame] | 607 | DebugLoc DebugLocation; |
| 608 | if (Token.is(MIToken::kw_debug_location)) { |
| 609 | lex(); |
| 610 | if (Token.isNot(MIToken::exclaim)) |
| 611 | return error("expected a metadata node after 'debug-location'"); |
| 612 | MDNode *Node = nullptr; |
| 613 | if (parseMDNode(Node)) |
| 614 | return true; |
| 615 | DebugLocation = DebugLoc(Node); |
| 616 | } |
| 617 | |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 618 | // Parse the machine memory operands. |
| 619 | SmallVector<MachineMemOperand *, 2> MemOperands; |
| 620 | if (Token.is(MIToken::coloncolon)) { |
| 621 | lex(); |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 622 | while (!Token.isNewlineOrEOF()) { |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 623 | MachineMemOperand *MemOp = nullptr; |
| 624 | if (parseMachineMemoryOperand(MemOp)) |
| 625 | return true; |
| 626 | MemOperands.push_back(MemOp); |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 627 | if (Token.isNewlineOrEOF()) |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 628 | break; |
| 629 | if (Token.isNot(MIToken::comma)) |
| 630 | return error("expected ',' before the next machine memory operand"); |
| 631 | lex(); |
| 632 | } |
| 633 | } |
| 634 | |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 635 | const auto &MCID = MF.getSubtarget().getInstrInfo()->get(OpCode); |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 636 | if (!MCID.isVariadic()) { |
| 637 | // FIXME: Move the implicit operand verification to the machine verifier. |
| 638 | if (verifyImplicitOperands(Operands, MCID)) |
| 639 | return true; |
| 640 | } |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 641 | |
Alex Lorenz | cb268d4 | 2015-07-06 23:07:26 +0000 | [diff] [blame] | 642 | // TODO: Check for extraneous machine operands. |
Alex Lorenz | 46d760d | 2015-07-22 21:15:11 +0000 | [diff] [blame] | 643 | MI = MF.CreateMachineInstr(MCID, DebugLocation, /*NoImplicit=*/true); |
Alex Lorenz | e5a4466 | 2015-07-17 00:24:15 +0000 | [diff] [blame] | 644 | MI->setFlags(Flags); |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 645 | for (const auto &Operand : Operands) |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 646 | MI->addOperand(MF, Operand.Operand); |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 647 | if (assignRegisterTies(*MI, Operands)) |
| 648 | return true; |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 649 | if (MemOperands.empty()) |
| 650 | return false; |
| 651 | MachineInstr::mmo_iterator MemRefs = |
| 652 | MF.allocateMemRefsArray(MemOperands.size()); |
| 653 | std::copy(MemOperands.begin(), MemOperands.end(), MemRefs); |
| 654 | MI->setMemRefs(MemRefs, MemRefs + MemOperands.size()); |
Alex Lorenz | 3708a64 | 2015-06-30 17:47:50 +0000 | [diff] [blame] | 655 | return false; |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 656 | } |
| 657 | |
Alex Lorenz | 1ea6089 | 2015-07-27 20:29:27 +0000 | [diff] [blame] | 658 | bool MIParser::parseStandaloneMBB(MachineBasicBlock *&MBB) { |
Alex Lorenz | f09df00 | 2015-06-30 18:16:42 +0000 | [diff] [blame] | 659 | lex(); |
| 660 | if (Token.isNot(MIToken::MachineBasicBlock)) |
| 661 | return error("expected a machine basic block reference"); |
| 662 | if (parseMBBReference(MBB)) |
| 663 | return true; |
| 664 | lex(); |
| 665 | if (Token.isNot(MIToken::Eof)) |
| 666 | return error( |
| 667 | "expected end of string after the machine basic block reference"); |
| 668 | return false; |
| 669 | } |
| 670 | |
Alex Lorenz | 1ea6089 | 2015-07-27 20:29:27 +0000 | [diff] [blame] | 671 | bool MIParser::parseStandaloneNamedRegister(unsigned &Reg) { |
Alex Lorenz | 9fab370 | 2015-07-14 21:24:41 +0000 | [diff] [blame] | 672 | lex(); |
| 673 | if (Token.isNot(MIToken::NamedRegister)) |
| 674 | return error("expected a named register"); |
| 675 | if (parseRegister(Reg)) |
Alex Lorenz | 607efb6 | 2015-08-18 22:57:36 +0000 | [diff] [blame] | 676 | return true; |
Alex Lorenz | 9fab370 | 2015-07-14 21:24:41 +0000 | [diff] [blame] | 677 | lex(); |
| 678 | if (Token.isNot(MIToken::Eof)) |
| 679 | return error("expected end of string after the register reference"); |
| 680 | return false; |
| 681 | } |
| 682 | |
Alex Lorenz | 12045a4 | 2015-07-27 17:42:45 +0000 | [diff] [blame] | 683 | bool MIParser::parseStandaloneVirtualRegister(unsigned &Reg) { |
| 684 | lex(); |
| 685 | if (Token.isNot(MIToken::VirtualRegister)) |
| 686 | return error("expected a virtual register"); |
| 687 | if (parseRegister(Reg)) |
Alex Lorenz | 607efb6 | 2015-08-18 22:57:36 +0000 | [diff] [blame] | 688 | return true; |
Alex Lorenz | 12045a4 | 2015-07-27 17:42:45 +0000 | [diff] [blame] | 689 | lex(); |
| 690 | if (Token.isNot(MIToken::Eof)) |
| 691 | return error("expected end of string after the register reference"); |
| 692 | return false; |
| 693 | } |
| 694 | |
Alex Lorenz | a314d81 | 2015-08-18 22:26:26 +0000 | [diff] [blame] | 695 | bool MIParser::parseStandaloneStackObject(int &FI) { |
| 696 | lex(); |
| 697 | if (Token.isNot(MIToken::StackObject)) |
| 698 | return error("expected a stack object"); |
| 699 | if (parseStackFrameIndex(FI)) |
| 700 | return true; |
| 701 | if (Token.isNot(MIToken::Eof)) |
| 702 | return error("expected end of string after the stack object reference"); |
| 703 | return false; |
| 704 | } |
| 705 | |
Alex Lorenz | df9e3c6 | 2015-08-19 00:13:25 +0000 | [diff] [blame] | 706 | bool MIParser::parseStandaloneMDNode(MDNode *&Node) { |
| 707 | lex(); |
| 708 | if (Token.isNot(MIToken::exclaim)) |
| 709 | return error("expected a metadata node"); |
| 710 | if (parseMDNode(Node)) |
| 711 | return true; |
| 712 | if (Token.isNot(MIToken::Eof)) |
| 713 | return error("expected end of string after the metadata node"); |
| 714 | return false; |
| 715 | } |
| 716 | |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 717 | static const char *printImplicitRegisterFlag(const MachineOperand &MO) { |
| 718 | assert(MO.isImplicit()); |
| 719 | return MO.isDef() ? "implicit-def" : "implicit"; |
| 720 | } |
| 721 | |
| 722 | static std::string getRegisterName(const TargetRegisterInfo *TRI, |
| 723 | unsigned Reg) { |
| 724 | assert(TargetRegisterInfo::isPhysicalRegister(Reg) && "expected phys reg"); |
| 725 | return StringRef(TRI->getName(Reg)).lower(); |
| 726 | } |
| 727 | |
Alex Lorenz | 0153e59 | 2015-09-10 14:04:34 +0000 | [diff] [blame] | 728 | /// Return true if the parsed machine operands contain a given machine operand. |
| 729 | static bool isImplicitOperandIn(const MachineOperand &ImplicitOperand, |
| 730 | ArrayRef<ParsedMachineOperand> Operands) { |
| 731 | for (const auto &I : Operands) { |
| 732 | if (ImplicitOperand.isIdenticalTo(I.Operand)) |
| 733 | return true; |
| 734 | } |
| 735 | return false; |
| 736 | } |
| 737 | |
Alex Lorenz | feb6b43 | 2015-08-19 19:19:16 +0000 | [diff] [blame] | 738 | bool MIParser::verifyImplicitOperands(ArrayRef<ParsedMachineOperand> Operands, |
| 739 | const MCInstrDesc &MCID) { |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 740 | if (MCID.isCall()) |
| 741 | // We can't verify call instructions as they can contain arbitrary implicit |
| 742 | // register and register mask operands. |
| 743 | return false; |
| 744 | |
| 745 | // Gather all the expected implicit operands. |
| 746 | SmallVector<MachineOperand, 4> ImplicitOperands; |
| 747 | if (MCID.ImplicitDefs) |
| 748 | for (const uint16_t *ImpDefs = MCID.getImplicitDefs(); *ImpDefs; ++ImpDefs) |
| 749 | ImplicitOperands.push_back( |
| 750 | MachineOperand::CreateReg(*ImpDefs, true, true)); |
| 751 | if (MCID.ImplicitUses) |
| 752 | for (const uint16_t *ImpUses = MCID.getImplicitUses(); *ImpUses; ++ImpUses) |
| 753 | ImplicitOperands.push_back( |
| 754 | MachineOperand::CreateReg(*ImpUses, false, true)); |
| 755 | |
| 756 | const auto *TRI = MF.getSubtarget().getRegisterInfo(); |
| 757 | assert(TRI && "Expected target register info"); |
Alex Lorenz | 0153e59 | 2015-09-10 14:04:34 +0000 | [diff] [blame] | 758 | for (const auto &I : ImplicitOperands) { |
| 759 | if (isImplicitOperandIn(I, Operands)) |
| 760 | continue; |
| 761 | return error(Operands.empty() ? Token.location() : Operands.back().End, |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 762 | Twine("missing implicit register operand '") + |
Alex Lorenz | 0153e59 | 2015-09-10 14:04:34 +0000 | [diff] [blame] | 763 | printImplicitRegisterFlag(I) + " %" + |
| 764 | getRegisterName(TRI, I.getReg()) + "'"); |
Alex Lorenz | 36962cd | 2015-07-07 02:08:46 +0000 | [diff] [blame] | 765 | } |
| 766 | return false; |
| 767 | } |
| 768 | |
Alex Lorenz | e5a4466 | 2015-07-17 00:24:15 +0000 | [diff] [blame] | 769 | bool MIParser::parseInstruction(unsigned &OpCode, unsigned &Flags) { |
| 770 | if (Token.is(MIToken::kw_frame_setup)) { |
| 771 | Flags |= MachineInstr::FrameSetup; |
| 772 | lex(); |
| 773 | } |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 774 | if (Token.isNot(MIToken::Identifier)) |
| 775 | return error("expected a machine instruction"); |
| 776 | StringRef InstrName = Token.stringValue(); |
| 777 | if (parseInstrName(InstrName, OpCode)) |
| 778 | return error(Twine("unknown machine instruction name '") + InstrName + "'"); |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 779 | lex(); |
| 780 | return false; |
| 781 | } |
| 782 | |
| 783 | bool MIParser::parseRegister(unsigned &Reg) { |
| 784 | switch (Token.kind()) { |
Alex Lorenz | 12b554e | 2015-06-24 17:34:58 +0000 | [diff] [blame] | 785 | case MIToken::underscore: |
| 786 | Reg = 0; |
| 787 | break; |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 788 | case MIToken::NamedRegister: { |
Alex Lorenz | 33f0aef | 2015-06-26 16:46:11 +0000 | [diff] [blame] | 789 | StringRef Name = Token.stringValue(); |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 790 | if (getRegisterByName(Name, Reg)) |
| 791 | return error(Twine("unknown register name '") + Name + "'"); |
| 792 | break; |
| 793 | } |
Alex Lorenz | 5346451 | 2015-07-10 22:51:20 +0000 | [diff] [blame] | 794 | case MIToken::VirtualRegister: { |
| 795 | unsigned ID; |
| 796 | if (getUnsigned(ID)) |
| 797 | return true; |
| 798 | const auto RegInfo = PFS.VirtualRegisterSlots.find(ID); |
| 799 | if (RegInfo == PFS.VirtualRegisterSlots.end()) |
| 800 | return error(Twine("use of undefined virtual register '%") + Twine(ID) + |
| 801 | "'"); |
| 802 | Reg = RegInfo->second; |
| 803 | break; |
| 804 | } |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 805 | // TODO: Parse other register kinds. |
| 806 | default: |
| 807 | llvm_unreachable("The current token should be a register"); |
| 808 | } |
| 809 | return false; |
| 810 | } |
| 811 | |
Alex Lorenz | cb268d4 | 2015-07-06 23:07:26 +0000 | [diff] [blame] | 812 | bool MIParser::parseRegisterFlag(unsigned &Flags) { |
Alex Lorenz | 2b3cf19 | 2015-08-05 18:09:03 +0000 | [diff] [blame] | 813 | const unsigned OldFlags = Flags; |
Alex Lorenz | cb268d4 | 2015-07-06 23:07:26 +0000 | [diff] [blame] | 814 | switch (Token.kind()) { |
| 815 | case MIToken::kw_implicit: |
| 816 | Flags |= RegState::Implicit; |
| 817 | break; |
| 818 | case MIToken::kw_implicit_define: |
| 819 | Flags |= RegState::ImplicitDefine; |
| 820 | break; |
Alex Lorenz | e66a7cc | 2015-08-19 18:55:47 +0000 | [diff] [blame] | 821 | case MIToken::kw_def: |
| 822 | Flags |= RegState::Define; |
| 823 | break; |
Alex Lorenz | cbbfd0b | 2015-07-07 20:34:53 +0000 | [diff] [blame] | 824 | case MIToken::kw_dead: |
| 825 | Flags |= RegState::Dead; |
| 826 | break; |
Alex Lorenz | 495ad87 | 2015-07-08 21:23:34 +0000 | [diff] [blame] | 827 | case MIToken::kw_killed: |
| 828 | Flags |= RegState::Kill; |
| 829 | break; |
Alex Lorenz | 4d026b89 | 2015-07-08 23:58:31 +0000 | [diff] [blame] | 830 | case MIToken::kw_undef: |
| 831 | Flags |= RegState::Undef; |
| 832 | break; |
Alex Lorenz | 1039fd1 | 2015-08-14 19:07:07 +0000 | [diff] [blame] | 833 | case MIToken::kw_internal: |
| 834 | Flags |= RegState::InternalRead; |
| 835 | break; |
Alex Lorenz | 01c1a5e | 2015-08-05 17:49:03 +0000 | [diff] [blame] | 836 | case MIToken::kw_early_clobber: |
| 837 | Flags |= RegState::EarlyClobber; |
| 838 | break; |
Alex Lorenz | 9075258 | 2015-08-05 17:41:17 +0000 | [diff] [blame] | 839 | case MIToken::kw_debug_use: |
| 840 | Flags |= RegState::Debug; |
| 841 | break; |
Alex Lorenz | cb268d4 | 2015-07-06 23:07:26 +0000 | [diff] [blame] | 842 | default: |
| 843 | llvm_unreachable("The current token should be a register flag"); |
| 844 | } |
Alex Lorenz | 2b3cf19 | 2015-08-05 18:09:03 +0000 | [diff] [blame] | 845 | if (OldFlags == Flags) |
| 846 | // We know that the same flag is specified more than once when the flags |
| 847 | // weren't modified. |
| 848 | return error("duplicate '" + Token.stringValue() + "' register flag"); |
Alex Lorenz | cb268d4 | 2015-07-06 23:07:26 +0000 | [diff] [blame] | 849 | lex(); |
| 850 | return false; |
| 851 | } |
| 852 | |
Alex Lorenz | 2eacca8 | 2015-07-13 23:24:34 +0000 | [diff] [blame] | 853 | bool MIParser::parseSubRegisterIndex(unsigned &SubReg) { |
| 854 | assert(Token.is(MIToken::colon)); |
| 855 | lex(); |
| 856 | if (Token.isNot(MIToken::Identifier)) |
| 857 | return error("expected a subregister index after ':'"); |
| 858 | auto Name = Token.stringValue(); |
| 859 | SubReg = getSubRegIndex(Name); |
| 860 | if (!SubReg) |
| 861 | return error(Twine("use of unknown subregister index '") + Name + "'"); |
| 862 | lex(); |
| 863 | return false; |
| 864 | } |
| 865 | |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 866 | bool MIParser::parseRegisterTiedDefIndex(unsigned &TiedDefIdx) { |
| 867 | if (!consumeIfPresent(MIToken::kw_tied_def)) |
| 868 | return error("expected 'tied-def' after '('"); |
| 869 | if (Token.isNot(MIToken::IntegerLiteral)) |
| 870 | return error("expected an integer literal after 'tied-def'"); |
| 871 | if (getUnsigned(TiedDefIdx)) |
| 872 | return true; |
| 873 | lex(); |
| 874 | if (expectAndConsume(MIToken::rparen)) |
| 875 | return true; |
| 876 | return false; |
| 877 | } |
| 878 | |
Alex Lorenz | feb6b43 | 2015-08-19 19:19:16 +0000 | [diff] [blame] | 879 | bool MIParser::assignRegisterTies(MachineInstr &MI, |
| 880 | ArrayRef<ParsedMachineOperand> Operands) { |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 881 | SmallVector<std::pair<unsigned, unsigned>, 4> TiedRegisterPairs; |
| 882 | for (unsigned I = 0, E = Operands.size(); I != E; ++I) { |
| 883 | if (!Operands[I].TiedDefIdx) |
| 884 | continue; |
| 885 | // The parser ensures that this operand is a register use, so we just have |
| 886 | // to check the tied-def operand. |
| 887 | unsigned DefIdx = Operands[I].TiedDefIdx.getValue(); |
| 888 | if (DefIdx >= E) |
| 889 | return error(Operands[I].Begin, |
| 890 | Twine("use of invalid tied-def operand index '" + |
| 891 | Twine(DefIdx) + "'; instruction has only ") + |
| 892 | Twine(E) + " operands"); |
| 893 | const auto &DefOperand = Operands[DefIdx].Operand; |
| 894 | if (!DefOperand.isReg() || !DefOperand.isDef()) |
| 895 | // FIXME: add note with the def operand. |
| 896 | return error(Operands[I].Begin, |
| 897 | Twine("use of invalid tied-def operand index '") + |
| 898 | Twine(DefIdx) + "'; the operand #" + Twine(DefIdx) + |
| 899 | " isn't a defined register"); |
| 900 | // Check that the tied-def operand wasn't tied elsewhere. |
| 901 | for (const auto &TiedPair : TiedRegisterPairs) { |
| 902 | if (TiedPair.first == DefIdx) |
| 903 | return error(Operands[I].Begin, |
| 904 | Twine("the tied-def operand #") + Twine(DefIdx) + |
| 905 | " is already tied with another register operand"); |
| 906 | } |
| 907 | TiedRegisterPairs.push_back(std::make_pair(DefIdx, I)); |
| 908 | } |
| 909 | // FIXME: Verify that for non INLINEASM instructions, the def and use tied |
| 910 | // indices must be less than tied max. |
| 911 | for (const auto &TiedPair : TiedRegisterPairs) |
| 912 | MI.tieOperands(TiedPair.first, TiedPair.second); |
| 913 | return false; |
| 914 | } |
| 915 | |
| 916 | bool MIParser::parseRegisterOperand(MachineOperand &Dest, |
| 917 | Optional<unsigned> &TiedDefIdx, |
| 918 | bool IsDef) { |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 919 | unsigned Reg; |
Alex Lorenz | cb268d4 | 2015-07-06 23:07:26 +0000 | [diff] [blame] | 920 | unsigned Flags = IsDef ? RegState::Define : 0; |
| 921 | while (Token.isRegisterFlag()) { |
| 922 | if (parseRegisterFlag(Flags)) |
| 923 | return true; |
| 924 | } |
| 925 | if (!Token.isRegister()) |
| 926 | return error("expected a register after register flags"); |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 927 | if (parseRegister(Reg)) |
| 928 | return true; |
| 929 | lex(); |
Alex Lorenz | 2eacca8 | 2015-07-13 23:24:34 +0000 | [diff] [blame] | 930 | unsigned SubReg = 0; |
| 931 | if (Token.is(MIToken::colon)) { |
| 932 | if (parseSubRegisterIndex(SubReg)) |
| 933 | return true; |
| 934 | } |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 935 | if ((Flags & RegState::Define) == 0 && consumeIfPresent(MIToken::lparen)) { |
| 936 | unsigned Idx; |
| 937 | if (parseRegisterTiedDefIndex(Idx)) |
| 938 | return true; |
| 939 | TiedDefIdx = Idx; |
| 940 | } |
Alex Lorenz | 495ad87 | 2015-07-08 21:23:34 +0000 | [diff] [blame] | 941 | Dest = MachineOperand::CreateReg( |
| 942 | Reg, Flags & RegState::Define, Flags & RegState::Implicit, |
Alex Lorenz | 2eacca8 | 2015-07-13 23:24:34 +0000 | [diff] [blame] | 943 | Flags & RegState::Kill, Flags & RegState::Dead, Flags & RegState::Undef, |
Alex Lorenz | 1039fd1 | 2015-08-14 19:07:07 +0000 | [diff] [blame] | 944 | Flags & RegState::EarlyClobber, SubReg, Flags & RegState::Debug, |
| 945 | Flags & RegState::InternalRead); |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 946 | return false; |
| 947 | } |
| 948 | |
Alex Lorenz | 240fc1e | 2015-06-23 23:42:28 +0000 | [diff] [blame] | 949 | bool MIParser::parseImmediateOperand(MachineOperand &Dest) { |
| 950 | assert(Token.is(MIToken::IntegerLiteral)); |
| 951 | const APSInt &Int = Token.integerValue(); |
| 952 | if (Int.getMinSignedBits() > 64) |
Alex Lorenz | 3f2058d | 2015-08-05 19:03:42 +0000 | [diff] [blame] | 953 | return error("integer literal is too large to be an immediate operand"); |
Alex Lorenz | 240fc1e | 2015-06-23 23:42:28 +0000 | [diff] [blame] | 954 | Dest = MachineOperand::CreateImm(Int.getExtValue()); |
| 955 | lex(); |
| 956 | return false; |
| 957 | } |
| 958 | |
Alex Lorenz | 5d8b0bd | 2015-08-21 21:48:22 +0000 | [diff] [blame] | 959 | bool MIParser::parseIRConstant(StringRef::iterator Loc, StringRef StringValue, |
| 960 | const Constant *&C) { |
| 961 | auto Source = StringValue.str(); // The source has to be null terminated. |
Alex Lorenz | 7eaff4c | 2015-08-05 18:44:00 +0000 | [diff] [blame] | 962 | SMDiagnostic Err; |
Alex Lorenz | c1136ef3 | 2015-08-21 21:54:12 +0000 | [diff] [blame] | 963 | C = parseConstantValue(Source.c_str(), Err, *MF.getFunction()->getParent(), |
| 964 | &IRSlots); |
Alex Lorenz | 7eaff4c | 2015-08-05 18:44:00 +0000 | [diff] [blame] | 965 | if (!C) |
| 966 | return error(Loc + Err.getColumnNo(), Err.getMessage()); |
| 967 | return false; |
| 968 | } |
| 969 | |
Alex Lorenz | 5d8b0bd | 2015-08-21 21:48:22 +0000 | [diff] [blame] | 970 | bool MIParser::parseIRConstant(StringRef::iterator Loc, const Constant *&C) { |
| 971 | if (parseIRConstant(Loc, StringRef(Loc, Token.range().end() - Loc), C)) |
| 972 | return true; |
| 973 | lex(); |
| 974 | return false; |
| 975 | } |
| 976 | |
Alex Lorenz | 05e3882 | 2015-08-05 18:52:21 +0000 | [diff] [blame] | 977 | bool MIParser::parseTypedImmediateOperand(MachineOperand &Dest) { |
| 978 | assert(Token.is(MIToken::IntegerType)); |
| 979 | auto Loc = Token.location(); |
| 980 | lex(); |
| 981 | if (Token.isNot(MIToken::IntegerLiteral)) |
| 982 | return error("expected an integer literal"); |
| 983 | const Constant *C = nullptr; |
| 984 | if (parseIRConstant(Loc, C)) |
| 985 | return true; |
| 986 | Dest = MachineOperand::CreateCImm(cast<ConstantInt>(C)); |
| 987 | return false; |
| 988 | } |
| 989 | |
Alex Lorenz | ad156fb | 2015-07-31 20:49:21 +0000 | [diff] [blame] | 990 | bool MIParser::parseFPImmediateOperand(MachineOperand &Dest) { |
| 991 | auto Loc = Token.location(); |
| 992 | lex(); |
| 993 | if (Token.isNot(MIToken::FloatingPointLiteral)) |
| 994 | return error("expected a floating point literal"); |
Alex Lorenz | 7eaff4c | 2015-08-05 18:44:00 +0000 | [diff] [blame] | 995 | const Constant *C = nullptr; |
| 996 | if (parseIRConstant(Loc, C)) |
| 997 | return true; |
Alex Lorenz | ad156fb | 2015-07-31 20:49:21 +0000 | [diff] [blame] | 998 | Dest = MachineOperand::CreateFPImm(cast<ConstantFP>(C)); |
| 999 | return false; |
| 1000 | } |
| 1001 | |
Alex Lorenz | 33f0aef | 2015-06-26 16:46:11 +0000 | [diff] [blame] | 1002 | bool MIParser::getUnsigned(unsigned &Result) { |
| 1003 | assert(Token.hasIntegerValue() && "Expected a token with an integer value"); |
| 1004 | const uint64_t Limit = uint64_t(std::numeric_limits<unsigned>::max()) + 1; |
| 1005 | uint64_t Val64 = Token.integerValue().getLimitedValue(Limit); |
| 1006 | if (Val64 == Limit) |
| 1007 | return error("expected 32-bit integer (too large)"); |
| 1008 | Result = Val64; |
| 1009 | return false; |
| 1010 | } |
| 1011 | |
Alex Lorenz | f09df00 | 2015-06-30 18:16:42 +0000 | [diff] [blame] | 1012 | bool MIParser::parseMBBReference(MachineBasicBlock *&MBB) { |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 1013 | assert(Token.is(MIToken::MachineBasicBlock) || |
| 1014 | Token.is(MIToken::MachineBasicBlockLabel)); |
Alex Lorenz | 33f0aef | 2015-06-26 16:46:11 +0000 | [diff] [blame] | 1015 | unsigned Number; |
| 1016 | if (getUnsigned(Number)) |
| 1017 | return true; |
Alex Lorenz | 7a503fa | 2015-07-07 17:46:43 +0000 | [diff] [blame] | 1018 | auto MBBInfo = PFS.MBBSlots.find(Number); |
| 1019 | if (MBBInfo == PFS.MBBSlots.end()) |
Alex Lorenz | 33f0aef | 2015-06-26 16:46:11 +0000 | [diff] [blame] | 1020 | return error(Twine("use of undefined machine basic block #") + |
| 1021 | Twine(Number)); |
Alex Lorenz | f09df00 | 2015-06-30 18:16:42 +0000 | [diff] [blame] | 1022 | MBB = MBBInfo->second; |
Alex Lorenz | 33f0aef | 2015-06-26 16:46:11 +0000 | [diff] [blame] | 1023 | if (!Token.stringValue().empty() && Token.stringValue() != MBB->getName()) |
| 1024 | return error(Twine("the name of machine basic block #") + Twine(Number) + |
| 1025 | " isn't '" + Token.stringValue() + "'"); |
Alex Lorenz | f09df00 | 2015-06-30 18:16:42 +0000 | [diff] [blame] | 1026 | return false; |
| 1027 | } |
| 1028 | |
| 1029 | bool MIParser::parseMBBOperand(MachineOperand &Dest) { |
| 1030 | MachineBasicBlock *MBB; |
| 1031 | if (parseMBBReference(MBB)) |
| 1032 | return true; |
Alex Lorenz | 33f0aef | 2015-06-26 16:46:11 +0000 | [diff] [blame] | 1033 | Dest = MachineOperand::CreateMBB(MBB); |
| 1034 | lex(); |
| 1035 | return false; |
| 1036 | } |
| 1037 | |
Alex Lorenz | dc9dadf | 2015-08-18 22:18:52 +0000 | [diff] [blame] | 1038 | bool MIParser::parseStackFrameIndex(int &FI) { |
Alex Lorenz | 7feaf7c | 2015-07-16 23:37:45 +0000 | [diff] [blame] | 1039 | assert(Token.is(MIToken::StackObject)); |
| 1040 | unsigned ID; |
| 1041 | if (getUnsigned(ID)) |
| 1042 | return true; |
| 1043 | auto ObjectInfo = PFS.StackObjectSlots.find(ID); |
| 1044 | if (ObjectInfo == PFS.StackObjectSlots.end()) |
| 1045 | return error(Twine("use of undefined stack object '%stack.") + Twine(ID) + |
| 1046 | "'"); |
| 1047 | StringRef Name; |
| 1048 | if (const auto *Alloca = |
| 1049 | MF.getFrameInfo()->getObjectAllocation(ObjectInfo->second)) |
| 1050 | Name = Alloca->getName(); |
| 1051 | if (!Token.stringValue().empty() && Token.stringValue() != Name) |
| 1052 | return error(Twine("the name of the stack object '%stack.") + Twine(ID) + |
| 1053 | "' isn't '" + Token.stringValue() + "'"); |
| 1054 | lex(); |
Alex Lorenz | dc9dadf | 2015-08-18 22:18:52 +0000 | [diff] [blame] | 1055 | FI = ObjectInfo->second; |
| 1056 | return false; |
| 1057 | } |
| 1058 | |
| 1059 | bool MIParser::parseStackObjectOperand(MachineOperand &Dest) { |
| 1060 | int FI; |
| 1061 | if (parseStackFrameIndex(FI)) |
| 1062 | return true; |
| 1063 | Dest = MachineOperand::CreateFI(FI); |
Alex Lorenz | 7feaf7c | 2015-07-16 23:37:45 +0000 | [diff] [blame] | 1064 | return false; |
| 1065 | } |
| 1066 | |
Alex Lorenz | ea88212 | 2015-08-12 21:17:02 +0000 | [diff] [blame] | 1067 | bool MIParser::parseFixedStackFrameIndex(int &FI) { |
Alex Lorenz | 7feaf7c | 2015-07-16 23:37:45 +0000 | [diff] [blame] | 1068 | assert(Token.is(MIToken::FixedStackObject)); |
| 1069 | unsigned ID; |
| 1070 | if (getUnsigned(ID)) |
| 1071 | return true; |
| 1072 | auto ObjectInfo = PFS.FixedStackObjectSlots.find(ID); |
| 1073 | if (ObjectInfo == PFS.FixedStackObjectSlots.end()) |
| 1074 | return error(Twine("use of undefined fixed stack object '%fixed-stack.") + |
| 1075 | Twine(ID) + "'"); |
| 1076 | lex(); |
Alex Lorenz | ea88212 | 2015-08-12 21:17:02 +0000 | [diff] [blame] | 1077 | FI = ObjectInfo->second; |
| 1078 | return false; |
| 1079 | } |
| 1080 | |
| 1081 | bool MIParser::parseFixedStackObjectOperand(MachineOperand &Dest) { |
| 1082 | int FI; |
| 1083 | if (parseFixedStackFrameIndex(FI)) |
| 1084 | return true; |
| 1085 | Dest = MachineOperand::CreateFI(FI); |
Alex Lorenz | 7feaf7c | 2015-07-16 23:37:45 +0000 | [diff] [blame] | 1086 | return false; |
| 1087 | } |
| 1088 | |
Alex Lorenz | 41df7d3 | 2015-07-28 17:09:52 +0000 | [diff] [blame] | 1089 | bool MIParser::parseGlobalValue(GlobalValue *&GV) { |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 1090 | switch (Token.kind()) { |
Alex Lorenz | 970c12e | 2015-08-05 17:35:55 +0000 | [diff] [blame] | 1091 | case MIToken::NamedGlobalValue: { |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 1092 | const Module *M = MF.getFunction()->getParent(); |
Alex Lorenz | 970c12e | 2015-08-05 17:35:55 +0000 | [diff] [blame] | 1093 | GV = M->getNamedValue(Token.stringValue()); |
Alex Lorenz | 41df7d3 | 2015-07-28 17:09:52 +0000 | [diff] [blame] | 1094 | if (!GV) |
Alex Lorenz | 3fb7768 | 2015-08-06 23:17:42 +0000 | [diff] [blame] | 1095 | return error(Twine("use of undefined global value '") + Token.range() + |
| 1096 | "'"); |
Alex Lorenz | 41df7d3 | 2015-07-28 17:09:52 +0000 | [diff] [blame] | 1097 | break; |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 1098 | } |
| 1099 | case MIToken::GlobalValue: { |
| 1100 | unsigned GVIdx; |
| 1101 | if (getUnsigned(GVIdx)) |
| 1102 | return true; |
| 1103 | if (GVIdx >= IRSlots.GlobalValues.size()) |
| 1104 | return error(Twine("use of undefined global value '@") + Twine(GVIdx) + |
| 1105 | "'"); |
Alex Lorenz | 41df7d3 | 2015-07-28 17:09:52 +0000 | [diff] [blame] | 1106 | GV = IRSlots.GlobalValues[GVIdx]; |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 1107 | break; |
| 1108 | } |
| 1109 | default: |
| 1110 | llvm_unreachable("The current token should be a global value"); |
| 1111 | } |
Alex Lorenz | 41df7d3 | 2015-07-28 17:09:52 +0000 | [diff] [blame] | 1112 | return false; |
| 1113 | } |
| 1114 | |
| 1115 | bool MIParser::parseGlobalAddressOperand(MachineOperand &Dest) { |
| 1116 | GlobalValue *GV = nullptr; |
| 1117 | if (parseGlobalValue(GV)) |
| 1118 | return true; |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 1119 | lex(); |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 1120 | Dest = MachineOperand::CreateGA(GV, /*Offset=*/0); |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 1121 | if (parseOperandsOffset(Dest)) |
| 1122 | return true; |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 1123 | return false; |
| 1124 | } |
| 1125 | |
Alex Lorenz | ab98049 | 2015-07-20 20:51:18 +0000 | [diff] [blame] | 1126 | bool MIParser::parseConstantPoolIndexOperand(MachineOperand &Dest) { |
| 1127 | assert(Token.is(MIToken::ConstantPoolItem)); |
| 1128 | unsigned ID; |
| 1129 | if (getUnsigned(ID)) |
| 1130 | return true; |
| 1131 | auto ConstantInfo = PFS.ConstantPoolSlots.find(ID); |
| 1132 | if (ConstantInfo == PFS.ConstantPoolSlots.end()) |
| 1133 | return error("use of undefined constant '%const." + Twine(ID) + "'"); |
| 1134 | lex(); |
Alex Lorenz | ab98049 | 2015-07-20 20:51:18 +0000 | [diff] [blame] | 1135 | Dest = MachineOperand::CreateCPI(ID, /*Offset=*/0); |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 1136 | if (parseOperandsOffset(Dest)) |
| 1137 | return true; |
Alex Lorenz | ab98049 | 2015-07-20 20:51:18 +0000 | [diff] [blame] | 1138 | return false; |
| 1139 | } |
| 1140 | |
Alex Lorenz | 31d7068 | 2015-07-15 23:38:35 +0000 | [diff] [blame] | 1141 | bool MIParser::parseJumpTableIndexOperand(MachineOperand &Dest) { |
| 1142 | assert(Token.is(MIToken::JumpTableIndex)); |
| 1143 | unsigned ID; |
| 1144 | if (getUnsigned(ID)) |
| 1145 | return true; |
| 1146 | auto JumpTableEntryInfo = PFS.JumpTableSlots.find(ID); |
| 1147 | if (JumpTableEntryInfo == PFS.JumpTableSlots.end()) |
| 1148 | return error("use of undefined jump table '%jump-table." + Twine(ID) + "'"); |
| 1149 | lex(); |
Alex Lorenz | 31d7068 | 2015-07-15 23:38:35 +0000 | [diff] [blame] | 1150 | Dest = MachineOperand::CreateJTI(JumpTableEntryInfo->second); |
| 1151 | return false; |
| 1152 | } |
| 1153 | |
Alex Lorenz | 6ede374 | 2015-07-21 16:59:53 +0000 | [diff] [blame] | 1154 | bool MIParser::parseExternalSymbolOperand(MachineOperand &Dest) { |
Alex Lorenz | 970c12e | 2015-08-05 17:35:55 +0000 | [diff] [blame] | 1155 | assert(Token.is(MIToken::ExternalSymbol)); |
| 1156 | const char *Symbol = MF.createExternalSymbolName(Token.stringValue()); |
Alex Lorenz | 6ede374 | 2015-07-21 16:59:53 +0000 | [diff] [blame] | 1157 | lex(); |
Alex Lorenz | 6ede374 | 2015-07-21 16:59:53 +0000 | [diff] [blame] | 1158 | Dest = MachineOperand::CreateES(Symbol); |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 1159 | if (parseOperandsOffset(Dest)) |
| 1160 | return true; |
Alex Lorenz | 6ede374 | 2015-07-21 16:59:53 +0000 | [diff] [blame] | 1161 | return false; |
| 1162 | } |
| 1163 | |
Alex Lorenz | 44f2925 | 2015-07-22 21:07:04 +0000 | [diff] [blame] | 1164 | bool MIParser::parseMDNode(MDNode *&Node) { |
Alex Lorenz | 35e4446 | 2015-07-22 17:58:46 +0000 | [diff] [blame] | 1165 | assert(Token.is(MIToken::exclaim)); |
| 1166 | auto Loc = Token.location(); |
| 1167 | lex(); |
| 1168 | if (Token.isNot(MIToken::IntegerLiteral) || Token.integerValue().isSigned()) |
| 1169 | return error("expected metadata id after '!'"); |
| 1170 | unsigned ID; |
| 1171 | if (getUnsigned(ID)) |
| 1172 | return true; |
| 1173 | auto NodeInfo = IRSlots.MetadataNodes.find(ID); |
| 1174 | if (NodeInfo == IRSlots.MetadataNodes.end()) |
| 1175 | return error(Loc, "use of undefined metadata '!" + Twine(ID) + "'"); |
| 1176 | lex(); |
Alex Lorenz | 44f2925 | 2015-07-22 21:07:04 +0000 | [diff] [blame] | 1177 | Node = NodeInfo->second.get(); |
| 1178 | return false; |
| 1179 | } |
| 1180 | |
| 1181 | bool MIParser::parseMetadataOperand(MachineOperand &Dest) { |
| 1182 | MDNode *Node = nullptr; |
| 1183 | if (parseMDNode(Node)) |
| 1184 | return true; |
| 1185 | Dest = MachineOperand::CreateMetadata(Node); |
Alex Lorenz | 35e4446 | 2015-07-22 17:58:46 +0000 | [diff] [blame] | 1186 | return false; |
| 1187 | } |
| 1188 | |
Alex Lorenz | f4baeb5 | 2015-07-21 22:28:27 +0000 | [diff] [blame] | 1189 | bool MIParser::parseCFIOffset(int &Offset) { |
| 1190 | if (Token.isNot(MIToken::IntegerLiteral)) |
| 1191 | return error("expected a cfi offset"); |
| 1192 | if (Token.integerValue().getMinSignedBits() > 32) |
| 1193 | return error("expected a 32 bit integer (the cfi offset is too large)"); |
| 1194 | Offset = (int)Token.integerValue().getExtValue(); |
| 1195 | lex(); |
| 1196 | return false; |
| 1197 | } |
| 1198 | |
Alex Lorenz | 8cfc686 | 2015-07-23 23:09:07 +0000 | [diff] [blame] | 1199 | bool MIParser::parseCFIRegister(unsigned &Reg) { |
| 1200 | if (Token.isNot(MIToken::NamedRegister)) |
| 1201 | return error("expected a cfi register"); |
| 1202 | unsigned LLVMReg; |
| 1203 | if (parseRegister(LLVMReg)) |
Alex Lorenz | f4baeb5 | 2015-07-21 22:28:27 +0000 | [diff] [blame] | 1204 | return true; |
Alex Lorenz | 8cfc686 | 2015-07-23 23:09:07 +0000 | [diff] [blame] | 1205 | const auto *TRI = MF.getSubtarget().getRegisterInfo(); |
| 1206 | assert(TRI && "Expected target register info"); |
| 1207 | int DwarfReg = TRI->getDwarfRegNum(LLVMReg, true); |
| 1208 | if (DwarfReg < 0) |
| 1209 | return error("invalid DWARF register"); |
| 1210 | Reg = (unsigned)DwarfReg; |
| 1211 | lex(); |
| 1212 | return false; |
| 1213 | } |
| 1214 | |
| 1215 | bool MIParser::parseCFIOperand(MachineOperand &Dest) { |
| 1216 | auto Kind = Token.kind(); |
| 1217 | lex(); |
| 1218 | auto &MMI = MF.getMMI(); |
| 1219 | int Offset; |
| 1220 | unsigned Reg; |
| 1221 | unsigned CFIIndex; |
| 1222 | switch (Kind) { |
Alex Lorenz | 577d271 | 2015-08-14 21:55:58 +0000 | [diff] [blame] | 1223 | case MIToken::kw_cfi_same_value: |
| 1224 | if (parseCFIRegister(Reg)) |
| 1225 | return true; |
| 1226 | CFIIndex = |
| 1227 | MMI.addFrameInst(MCCFIInstruction::createSameValue(nullptr, Reg)); |
| 1228 | break; |
Alex Lorenz | 8cfc686 | 2015-07-23 23:09:07 +0000 | [diff] [blame] | 1229 | case MIToken::kw_cfi_offset: |
| 1230 | if (parseCFIRegister(Reg) || expectAndConsume(MIToken::comma) || |
| 1231 | parseCFIOffset(Offset)) |
| 1232 | return true; |
| 1233 | CFIIndex = |
| 1234 | MMI.addFrameInst(MCCFIInstruction::createOffset(nullptr, Reg, Offset)); |
| 1235 | break; |
Alex Lorenz | 5b0d5f6 | 2015-07-27 20:39:03 +0000 | [diff] [blame] | 1236 | case MIToken::kw_cfi_def_cfa_register: |
| 1237 | if (parseCFIRegister(Reg)) |
| 1238 | return true; |
| 1239 | CFIIndex = |
| 1240 | MMI.addFrameInst(MCCFIInstruction::createDefCfaRegister(nullptr, Reg)); |
| 1241 | break; |
Alex Lorenz | 8cfc686 | 2015-07-23 23:09:07 +0000 | [diff] [blame] | 1242 | case MIToken::kw_cfi_def_cfa_offset: |
| 1243 | if (parseCFIOffset(Offset)) |
| 1244 | return true; |
| 1245 | // NB: MCCFIInstruction::createDefCfaOffset negates the offset. |
| 1246 | CFIIndex = MMI.addFrameInst( |
| 1247 | MCCFIInstruction::createDefCfaOffset(nullptr, -Offset)); |
| 1248 | break; |
Alex Lorenz | b139323 | 2015-07-29 18:57:23 +0000 | [diff] [blame] | 1249 | case MIToken::kw_cfi_def_cfa: |
| 1250 | if (parseCFIRegister(Reg) || expectAndConsume(MIToken::comma) || |
| 1251 | parseCFIOffset(Offset)) |
| 1252 | return true; |
| 1253 | // NB: MCCFIInstruction::createDefCfa negates the offset. |
| 1254 | CFIIndex = |
| 1255 | MMI.addFrameInst(MCCFIInstruction::createDefCfa(nullptr, Reg, -Offset)); |
| 1256 | break; |
Alex Lorenz | 8cfc686 | 2015-07-23 23:09:07 +0000 | [diff] [blame] | 1257 | default: |
| 1258 | // TODO: Parse the other CFI operands. |
| 1259 | llvm_unreachable("The current token should be a cfi operand"); |
| 1260 | } |
| 1261 | Dest = MachineOperand::CreateCFIIndex(CFIIndex); |
Alex Lorenz | f4baeb5 | 2015-07-21 22:28:27 +0000 | [diff] [blame] | 1262 | return false; |
| 1263 | } |
| 1264 | |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 1265 | bool MIParser::parseIRBlock(BasicBlock *&BB, const Function &F) { |
| 1266 | switch (Token.kind()) { |
Alex Lorenz | 970c12e | 2015-08-05 17:35:55 +0000 | [diff] [blame] | 1267 | case MIToken::NamedIRBlock: { |
| 1268 | BB = dyn_cast_or_null<BasicBlock>( |
| 1269 | F.getValueSymbolTable().lookup(Token.stringValue())); |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 1270 | if (!BB) |
Alex Lorenz | 3fb7768 | 2015-08-06 23:17:42 +0000 | [diff] [blame] | 1271 | return error(Twine("use of undefined IR block '") + Token.range() + "'"); |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 1272 | break; |
| 1273 | } |
| 1274 | case MIToken::IRBlock: { |
| 1275 | unsigned SlotNumber = 0; |
| 1276 | if (getUnsigned(SlotNumber)) |
| 1277 | return true; |
Alex Lorenz | cba8c5f | 2015-08-06 23:57:04 +0000 | [diff] [blame] | 1278 | BB = const_cast<BasicBlock *>(getIRBlock(SlotNumber, F)); |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 1279 | if (!BB) |
| 1280 | return error(Twine("use of undefined IR block '%ir-block.") + |
| 1281 | Twine(SlotNumber) + "'"); |
| 1282 | break; |
| 1283 | } |
| 1284 | default: |
| 1285 | llvm_unreachable("The current token should be an IR block reference"); |
| 1286 | } |
| 1287 | return false; |
| 1288 | } |
| 1289 | |
| 1290 | bool MIParser::parseBlockAddressOperand(MachineOperand &Dest) { |
| 1291 | assert(Token.is(MIToken::kw_blockaddress)); |
| 1292 | lex(); |
| 1293 | if (expectAndConsume(MIToken::lparen)) |
| 1294 | return true; |
| 1295 | if (Token.isNot(MIToken::GlobalValue) && |
Alex Lorenz | 970c12e | 2015-08-05 17:35:55 +0000 | [diff] [blame] | 1296 | Token.isNot(MIToken::NamedGlobalValue)) |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 1297 | return error("expected a global value"); |
| 1298 | GlobalValue *GV = nullptr; |
| 1299 | if (parseGlobalValue(GV)) |
| 1300 | return true; |
| 1301 | auto *F = dyn_cast<Function>(GV); |
| 1302 | if (!F) |
| 1303 | return error("expected an IR function reference"); |
| 1304 | lex(); |
| 1305 | if (expectAndConsume(MIToken::comma)) |
| 1306 | return true; |
| 1307 | BasicBlock *BB = nullptr; |
Alex Lorenz | 970c12e | 2015-08-05 17:35:55 +0000 | [diff] [blame] | 1308 | if (Token.isNot(MIToken::IRBlock) && Token.isNot(MIToken::NamedIRBlock)) |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 1309 | return error("expected an IR block reference"); |
| 1310 | if (parseIRBlock(BB, *F)) |
| 1311 | return true; |
| 1312 | lex(); |
| 1313 | if (expectAndConsume(MIToken::rparen)) |
| 1314 | return true; |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 1315 | Dest = MachineOperand::CreateBA(BlockAddress::get(F, BB), /*Offset=*/0); |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 1316 | if (parseOperandsOffset(Dest)) |
| 1317 | return true; |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 1318 | return false; |
| 1319 | } |
| 1320 | |
Alex Lorenz | ef5c196 | 2015-07-28 23:02:45 +0000 | [diff] [blame] | 1321 | bool MIParser::parseTargetIndexOperand(MachineOperand &Dest) { |
| 1322 | assert(Token.is(MIToken::kw_target_index)); |
| 1323 | lex(); |
| 1324 | if (expectAndConsume(MIToken::lparen)) |
| 1325 | return true; |
| 1326 | if (Token.isNot(MIToken::Identifier)) |
| 1327 | return error("expected the name of the target index"); |
| 1328 | int Index = 0; |
| 1329 | if (getTargetIndex(Token.stringValue(), Index)) |
| 1330 | return error("use of undefined target index '" + Token.stringValue() + "'"); |
| 1331 | lex(); |
| 1332 | if (expectAndConsume(MIToken::rparen)) |
| 1333 | return true; |
Alex Lorenz | ef5c196 | 2015-07-28 23:02:45 +0000 | [diff] [blame] | 1334 | Dest = MachineOperand::CreateTargetIndex(unsigned(Index), /*Offset=*/0); |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 1335 | if (parseOperandsOffset(Dest)) |
| 1336 | return true; |
Alex Lorenz | ef5c196 | 2015-07-28 23:02:45 +0000 | [diff] [blame] | 1337 | return false; |
| 1338 | } |
| 1339 | |
Alex Lorenz | b97c9ef | 2015-08-10 23:24:42 +0000 | [diff] [blame] | 1340 | bool MIParser::parseLiveoutRegisterMaskOperand(MachineOperand &Dest) { |
| 1341 | assert(Token.is(MIToken::kw_liveout)); |
| 1342 | const auto *TRI = MF.getSubtarget().getRegisterInfo(); |
| 1343 | assert(TRI && "Expected target register info"); |
| 1344 | uint32_t *Mask = MF.allocateRegisterMask(TRI->getNumRegs()); |
| 1345 | lex(); |
| 1346 | if (expectAndConsume(MIToken::lparen)) |
| 1347 | return true; |
| 1348 | while (true) { |
| 1349 | if (Token.isNot(MIToken::NamedRegister)) |
| 1350 | return error("expected a named register"); |
| 1351 | unsigned Reg = 0; |
| 1352 | if (parseRegister(Reg)) |
| 1353 | return true; |
| 1354 | lex(); |
| 1355 | Mask[Reg / 32] |= 1U << (Reg % 32); |
| 1356 | // TODO: Report an error if the same register is used more than once. |
| 1357 | if (Token.isNot(MIToken::comma)) |
| 1358 | break; |
| 1359 | lex(); |
| 1360 | } |
| 1361 | if (expectAndConsume(MIToken::rparen)) |
| 1362 | return true; |
| 1363 | Dest = MachineOperand::CreateRegLiveOut(Mask); |
| 1364 | return false; |
| 1365 | } |
| 1366 | |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 1367 | bool MIParser::parseMachineOperand(MachineOperand &Dest, |
| 1368 | Optional<unsigned> &TiedDefIdx) { |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 1369 | switch (Token.kind()) { |
Alex Lorenz | cb268d4 | 2015-07-06 23:07:26 +0000 | [diff] [blame] | 1370 | case MIToken::kw_implicit: |
| 1371 | case MIToken::kw_implicit_define: |
Alex Lorenz | e66a7cc | 2015-08-19 18:55:47 +0000 | [diff] [blame] | 1372 | case MIToken::kw_def: |
Alex Lorenz | cbbfd0b | 2015-07-07 20:34:53 +0000 | [diff] [blame] | 1373 | case MIToken::kw_dead: |
Alex Lorenz | 495ad87 | 2015-07-08 21:23:34 +0000 | [diff] [blame] | 1374 | case MIToken::kw_killed: |
Alex Lorenz | 4d026b89 | 2015-07-08 23:58:31 +0000 | [diff] [blame] | 1375 | case MIToken::kw_undef: |
Alex Lorenz | 1039fd1 | 2015-08-14 19:07:07 +0000 | [diff] [blame] | 1376 | case MIToken::kw_internal: |
Alex Lorenz | 01c1a5e | 2015-08-05 17:49:03 +0000 | [diff] [blame] | 1377 | case MIToken::kw_early_clobber: |
Alex Lorenz | 9075258 | 2015-08-05 17:41:17 +0000 | [diff] [blame] | 1378 | case MIToken::kw_debug_use: |
Alex Lorenz | 12b554e | 2015-06-24 17:34:58 +0000 | [diff] [blame] | 1379 | case MIToken::underscore: |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 1380 | case MIToken::NamedRegister: |
Alex Lorenz | 5346451 | 2015-07-10 22:51:20 +0000 | [diff] [blame] | 1381 | case MIToken::VirtualRegister: |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 1382 | return parseRegisterOperand(Dest, TiedDefIdx); |
Alex Lorenz | 240fc1e | 2015-06-23 23:42:28 +0000 | [diff] [blame] | 1383 | case MIToken::IntegerLiteral: |
| 1384 | return parseImmediateOperand(Dest); |
Alex Lorenz | 05e3882 | 2015-08-05 18:52:21 +0000 | [diff] [blame] | 1385 | case MIToken::IntegerType: |
| 1386 | return parseTypedImmediateOperand(Dest); |
Alex Lorenz | ad156fb | 2015-07-31 20:49:21 +0000 | [diff] [blame] | 1387 | case MIToken::kw_half: |
| 1388 | case MIToken::kw_float: |
| 1389 | case MIToken::kw_double: |
| 1390 | case MIToken::kw_x86_fp80: |
| 1391 | case MIToken::kw_fp128: |
| 1392 | case MIToken::kw_ppc_fp128: |
| 1393 | return parseFPImmediateOperand(Dest); |
Alex Lorenz | 33f0aef | 2015-06-26 16:46:11 +0000 | [diff] [blame] | 1394 | case MIToken::MachineBasicBlock: |
| 1395 | return parseMBBOperand(Dest); |
Alex Lorenz | 7feaf7c | 2015-07-16 23:37:45 +0000 | [diff] [blame] | 1396 | case MIToken::StackObject: |
| 1397 | return parseStackObjectOperand(Dest); |
| 1398 | case MIToken::FixedStackObject: |
| 1399 | return parseFixedStackObjectOperand(Dest); |
Alex Lorenz | 5d6108e | 2015-06-26 22:56:48 +0000 | [diff] [blame] | 1400 | case MIToken::GlobalValue: |
| 1401 | case MIToken::NamedGlobalValue: |
| 1402 | return parseGlobalAddressOperand(Dest); |
Alex Lorenz | ab98049 | 2015-07-20 20:51:18 +0000 | [diff] [blame] | 1403 | case MIToken::ConstantPoolItem: |
| 1404 | return parseConstantPoolIndexOperand(Dest); |
Alex Lorenz | 31d7068 | 2015-07-15 23:38:35 +0000 | [diff] [blame] | 1405 | case MIToken::JumpTableIndex: |
| 1406 | return parseJumpTableIndexOperand(Dest); |
Alex Lorenz | 6ede374 | 2015-07-21 16:59:53 +0000 | [diff] [blame] | 1407 | case MIToken::ExternalSymbol: |
Alex Lorenz | 6ede374 | 2015-07-21 16:59:53 +0000 | [diff] [blame] | 1408 | return parseExternalSymbolOperand(Dest); |
Alex Lorenz | 35e4446 | 2015-07-22 17:58:46 +0000 | [diff] [blame] | 1409 | case MIToken::exclaim: |
| 1410 | return parseMetadataOperand(Dest); |
Alex Lorenz | 577d271 | 2015-08-14 21:55:58 +0000 | [diff] [blame] | 1411 | case MIToken::kw_cfi_same_value: |
Alex Lorenz | 8cfc686 | 2015-07-23 23:09:07 +0000 | [diff] [blame] | 1412 | case MIToken::kw_cfi_offset: |
Alex Lorenz | 5b0d5f6 | 2015-07-27 20:39:03 +0000 | [diff] [blame] | 1413 | case MIToken::kw_cfi_def_cfa_register: |
Alex Lorenz | f4baeb5 | 2015-07-21 22:28:27 +0000 | [diff] [blame] | 1414 | case MIToken::kw_cfi_def_cfa_offset: |
Alex Lorenz | b139323 | 2015-07-29 18:57:23 +0000 | [diff] [blame] | 1415 | case MIToken::kw_cfi_def_cfa: |
Alex Lorenz | f4baeb5 | 2015-07-21 22:28:27 +0000 | [diff] [blame] | 1416 | return parseCFIOperand(Dest); |
Alex Lorenz | deb5349 | 2015-07-28 17:28:03 +0000 | [diff] [blame] | 1417 | case MIToken::kw_blockaddress: |
| 1418 | return parseBlockAddressOperand(Dest); |
Alex Lorenz | ef5c196 | 2015-07-28 23:02:45 +0000 | [diff] [blame] | 1419 | case MIToken::kw_target_index: |
| 1420 | return parseTargetIndexOperand(Dest); |
Alex Lorenz | b97c9ef | 2015-08-10 23:24:42 +0000 | [diff] [blame] | 1421 | case MIToken::kw_liveout: |
| 1422 | return parseLiveoutRegisterMaskOperand(Dest); |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 1423 | case MIToken::Error: |
| 1424 | return true; |
Alex Lorenz | 8f6f428 | 2015-06-29 16:57:06 +0000 | [diff] [blame] | 1425 | case MIToken::Identifier: |
| 1426 | if (const auto *RegMask = getRegMask(Token.stringValue())) { |
| 1427 | Dest = MachineOperand::CreateRegMask(RegMask); |
| 1428 | lex(); |
| 1429 | break; |
| 1430 | } |
| 1431 | // fallthrough |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 1432 | default: |
Alex Lorenz | f22ca8a | 2015-08-21 21:12:44 +0000 | [diff] [blame] | 1433 | // FIXME: Parse the MCSymbol machine operand. |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 1434 | return error("expected a machine operand"); |
| 1435 | } |
Alex Lorenz | 91370c5 | 2015-06-22 20:37:46 +0000 | [diff] [blame] | 1436 | return false; |
| 1437 | } |
| 1438 | |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 1439 | bool MIParser::parseMachineOperandAndTargetFlags( |
| 1440 | MachineOperand &Dest, Optional<unsigned> &TiedDefIdx) { |
Alex Lorenz | 49873a8 | 2015-08-06 00:44:07 +0000 | [diff] [blame] | 1441 | unsigned TF = 0; |
| 1442 | bool HasTargetFlags = false; |
| 1443 | if (Token.is(MIToken::kw_target_flags)) { |
| 1444 | HasTargetFlags = true; |
| 1445 | lex(); |
| 1446 | if (expectAndConsume(MIToken::lparen)) |
| 1447 | return true; |
| 1448 | if (Token.isNot(MIToken::Identifier)) |
| 1449 | return error("expected the name of the target flag"); |
Alex Lorenz | f363011 | 2015-08-18 22:52:15 +0000 | [diff] [blame] | 1450 | if (getDirectTargetFlag(Token.stringValue(), TF)) { |
| 1451 | if (getBitmaskTargetFlag(Token.stringValue(), TF)) |
| 1452 | return error("use of undefined target flag '" + Token.stringValue() + |
| 1453 | "'"); |
| 1454 | } |
Alex Lorenz | 49873a8 | 2015-08-06 00:44:07 +0000 | [diff] [blame] | 1455 | lex(); |
Alex Lorenz | f363011 | 2015-08-18 22:52:15 +0000 | [diff] [blame] | 1456 | while (Token.is(MIToken::comma)) { |
| 1457 | lex(); |
| 1458 | if (Token.isNot(MIToken::Identifier)) |
| 1459 | return error("expected the name of the target flag"); |
| 1460 | unsigned BitFlag = 0; |
| 1461 | if (getBitmaskTargetFlag(Token.stringValue(), BitFlag)) |
| 1462 | return error("use of undefined target flag '" + Token.stringValue() + |
| 1463 | "'"); |
| 1464 | // TODO: Report an error when using a duplicate bit target flag. |
| 1465 | TF |= BitFlag; |
| 1466 | lex(); |
| 1467 | } |
Alex Lorenz | 49873a8 | 2015-08-06 00:44:07 +0000 | [diff] [blame] | 1468 | if (expectAndConsume(MIToken::rparen)) |
| 1469 | return true; |
| 1470 | } |
| 1471 | auto Loc = Token.location(); |
Alex Lorenz | 5ef93b0 | 2015-08-19 19:05:34 +0000 | [diff] [blame] | 1472 | if (parseMachineOperand(Dest, TiedDefIdx)) |
Alex Lorenz | 49873a8 | 2015-08-06 00:44:07 +0000 | [diff] [blame] | 1473 | return true; |
| 1474 | if (!HasTargetFlags) |
| 1475 | return false; |
| 1476 | if (Dest.isReg()) |
| 1477 | return error(Loc, "register operands can't have target flags"); |
| 1478 | Dest.setTargetFlags(TF); |
| 1479 | return false; |
| 1480 | } |
| 1481 | |
Alex Lorenz | dc24c17 | 2015-08-07 20:21:00 +0000 | [diff] [blame] | 1482 | bool MIParser::parseOffset(int64_t &Offset) { |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 1483 | if (Token.isNot(MIToken::plus) && Token.isNot(MIToken::minus)) |
| 1484 | return false; |
Alex Lorenz | 3fb7768 | 2015-08-06 23:17:42 +0000 | [diff] [blame] | 1485 | StringRef Sign = Token.range(); |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 1486 | bool IsNegative = Token.is(MIToken::minus); |
| 1487 | lex(); |
| 1488 | if (Token.isNot(MIToken::IntegerLiteral)) |
| 1489 | return error("expected an integer literal after '" + Sign + "'"); |
| 1490 | if (Token.integerValue().getMinSignedBits() > 64) |
| 1491 | return error("expected 64-bit integer (too large)"); |
Alex Lorenz | dc24c17 | 2015-08-07 20:21:00 +0000 | [diff] [blame] | 1492 | Offset = Token.integerValue().getExtValue(); |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 1493 | if (IsNegative) |
| 1494 | Offset = -Offset; |
| 1495 | lex(); |
Alex Lorenz | dc24c17 | 2015-08-07 20:21:00 +0000 | [diff] [blame] | 1496 | return false; |
| 1497 | } |
| 1498 | |
Alex Lorenz | 620f891 | 2015-08-13 20:33:33 +0000 | [diff] [blame] | 1499 | bool MIParser::parseAlignment(unsigned &Alignment) { |
| 1500 | assert(Token.is(MIToken::kw_align)); |
| 1501 | lex(); |
Alex Lorenz | 6866104 | 2015-08-13 20:55:01 +0000 | [diff] [blame] | 1502 | if (Token.isNot(MIToken::IntegerLiteral) || Token.integerValue().isSigned()) |
Alex Lorenz | 620f891 | 2015-08-13 20:33:33 +0000 | [diff] [blame] | 1503 | return error("expected an integer literal after 'align'"); |
| 1504 | if (getUnsigned(Alignment)) |
| 1505 | return true; |
| 1506 | lex(); |
| 1507 | return false; |
| 1508 | } |
| 1509 | |
Alex Lorenz | dc24c17 | 2015-08-07 20:21:00 +0000 | [diff] [blame] | 1510 | bool MIParser::parseOperandsOffset(MachineOperand &Op) { |
| 1511 | int64_t Offset = 0; |
| 1512 | if (parseOffset(Offset)) |
| 1513 | return true; |
Alex Lorenz | 5672a89 | 2015-08-05 22:26:15 +0000 | [diff] [blame] | 1514 | Op.setOffset(Offset); |
| 1515 | return false; |
| 1516 | } |
| 1517 | |
Alex Lorenz | 36593ac | 2015-08-19 23:27:07 +0000 | [diff] [blame] | 1518 | bool MIParser::parseIRValue(const Value *&V) { |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 1519 | switch (Token.kind()) { |
Alex Lorenz | 970c12e | 2015-08-05 17:35:55 +0000 | [diff] [blame] | 1520 | case MIToken::NamedIRValue: { |
| 1521 | V = MF.getFunction()->getValueSymbolTable().lookup(Token.stringValue()); |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 1522 | break; |
| 1523 | } |
Alex Lorenz | dd13be0 | 2015-08-19 23:31:05 +0000 | [diff] [blame] | 1524 | case MIToken::IRValue: { |
| 1525 | unsigned SlotNumber = 0; |
| 1526 | if (getUnsigned(SlotNumber)) |
| 1527 | return true; |
| 1528 | V = getIRValue(SlotNumber); |
| 1529 | break; |
| 1530 | } |
Alex Lorenz | 36efd38 | 2015-08-20 00:20:03 +0000 | [diff] [blame] | 1531 | case MIToken::NamedGlobalValue: |
| 1532 | case MIToken::GlobalValue: { |
| 1533 | GlobalValue *GV = nullptr; |
| 1534 | if (parseGlobalValue(GV)) |
| 1535 | return true; |
| 1536 | V = GV; |
| 1537 | break; |
| 1538 | } |
Alex Lorenz | c1136ef3 | 2015-08-21 21:54:12 +0000 | [diff] [blame] | 1539 | case MIToken::QuotedIRValue: { |
| 1540 | const Constant *C = nullptr; |
| 1541 | if (parseIRConstant(Token.location(), Token.stringValue(), C)) |
| 1542 | return true; |
| 1543 | V = C; |
| 1544 | break; |
| 1545 | } |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 1546 | default: |
| 1547 | llvm_unreachable("The current token should be an IR block reference"); |
| 1548 | } |
Alex Lorenz | dd13be0 | 2015-08-19 23:31:05 +0000 | [diff] [blame] | 1549 | if (!V) |
| 1550 | return error(Twine("use of undefined IR value '") + Token.range() + "'"); |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 1551 | return false; |
| 1552 | } |
| 1553 | |
| 1554 | bool MIParser::getUint64(uint64_t &Result) { |
| 1555 | assert(Token.hasIntegerValue()); |
| 1556 | if (Token.integerValue().getActiveBits() > 64) |
| 1557 | return error("expected 64-bit integer (too large)"); |
| 1558 | Result = Token.integerValue().getZExtValue(); |
| 1559 | return false; |
| 1560 | } |
| 1561 | |
Alex Lorenz | a518b79 | 2015-08-04 00:24:45 +0000 | [diff] [blame] | 1562 | bool MIParser::parseMemoryOperandFlag(unsigned &Flags) { |
Alex Lorenz | e86d515 | 2015-08-06 18:26:36 +0000 | [diff] [blame] | 1563 | const unsigned OldFlags = Flags; |
Alex Lorenz | a518b79 | 2015-08-04 00:24:45 +0000 | [diff] [blame] | 1564 | switch (Token.kind()) { |
| 1565 | case MIToken::kw_volatile: |
| 1566 | Flags |= MachineMemOperand::MOVolatile; |
| 1567 | break; |
Alex Lorenz | 10fd038 | 2015-08-06 16:49:30 +0000 | [diff] [blame] | 1568 | case MIToken::kw_non_temporal: |
| 1569 | Flags |= MachineMemOperand::MONonTemporal; |
| 1570 | break; |
Alex Lorenz | dc8de2a | 2015-08-06 16:55:53 +0000 | [diff] [blame] | 1571 | case MIToken::kw_invariant: |
| 1572 | Flags |= MachineMemOperand::MOInvariant; |
| 1573 | break; |
Alex Lorenz | dc8de2a | 2015-08-06 16:55:53 +0000 | [diff] [blame] | 1574 | // TODO: parse the target specific memory operand flags. |
Alex Lorenz | a518b79 | 2015-08-04 00:24:45 +0000 | [diff] [blame] | 1575 | default: |
| 1576 | llvm_unreachable("The current token should be a memory operand flag"); |
| 1577 | } |
Alex Lorenz | e86d515 | 2015-08-06 18:26:36 +0000 | [diff] [blame] | 1578 | if (OldFlags == Flags) |
| 1579 | // We know that the same flag is specified more than once when the flags |
| 1580 | // weren't modified. |
| 1581 | return error("duplicate '" + Token.stringValue() + "' memory operand flag"); |
Alex Lorenz | a518b79 | 2015-08-04 00:24:45 +0000 | [diff] [blame] | 1582 | lex(); |
| 1583 | return false; |
| 1584 | } |
| 1585 | |
Alex Lorenz | 91097a3 | 2015-08-12 20:33:26 +0000 | [diff] [blame] | 1586 | bool MIParser::parseMemoryPseudoSourceValue(const PseudoSourceValue *&PSV) { |
| 1587 | switch (Token.kind()) { |
Alex Lorenz | 46e9558 | 2015-08-12 20:44:16 +0000 | [diff] [blame] | 1588 | case MIToken::kw_stack: |
| 1589 | PSV = MF.getPSVManager().getStack(); |
| 1590 | break; |
Alex Lorenz | d858f87 | 2015-08-12 21:00:22 +0000 | [diff] [blame] | 1591 | case MIToken::kw_got: |
| 1592 | PSV = MF.getPSVManager().getGOT(); |
| 1593 | break; |
Alex Lorenz | 4be56e9 | 2015-08-12 21:11:08 +0000 | [diff] [blame] | 1594 | case MIToken::kw_jump_table: |
| 1595 | PSV = MF.getPSVManager().getJumpTable(); |
| 1596 | break; |
Alex Lorenz | 91097a3 | 2015-08-12 20:33:26 +0000 | [diff] [blame] | 1597 | case MIToken::kw_constant_pool: |
| 1598 | PSV = MF.getPSVManager().getConstantPool(); |
| 1599 | break; |
Alex Lorenz | 0cc671b | 2015-08-12 21:23:17 +0000 | [diff] [blame] | 1600 | case MIToken::FixedStackObject: { |
| 1601 | int FI; |
| 1602 | if (parseFixedStackFrameIndex(FI)) |
| 1603 | return true; |
| 1604 | PSV = MF.getPSVManager().getFixedStack(FI); |
| 1605 | // The token was already consumed, so use return here instead of break. |
| 1606 | return false; |
| 1607 | } |
Alex Lorenz | 0d00964 | 2015-08-20 00:12:57 +0000 | [diff] [blame] | 1608 | case MIToken::kw_call_entry: { |
| 1609 | lex(); |
| 1610 | switch (Token.kind()) { |
| 1611 | case MIToken::GlobalValue: |
| 1612 | case MIToken::NamedGlobalValue: { |
| 1613 | GlobalValue *GV = nullptr; |
| 1614 | if (parseGlobalValue(GV)) |
| 1615 | return true; |
| 1616 | PSV = MF.getPSVManager().getGlobalValueCallEntry(GV); |
| 1617 | break; |
| 1618 | } |
| 1619 | case MIToken::ExternalSymbol: |
| 1620 | PSV = MF.getPSVManager().getExternalSymbolCallEntry( |
| 1621 | MF.createExternalSymbolName(Token.stringValue())); |
| 1622 | break; |
| 1623 | default: |
| 1624 | return error( |
| 1625 | "expected a global value or an external symbol after 'call-entry'"); |
| 1626 | } |
Alex Lorenz | 50b826f | 2015-08-14 21:08:30 +0000 | [diff] [blame] | 1627 | break; |
| 1628 | } |
Alex Lorenz | 91097a3 | 2015-08-12 20:33:26 +0000 | [diff] [blame] | 1629 | default: |
| 1630 | llvm_unreachable("The current token should be pseudo source value"); |
| 1631 | } |
| 1632 | lex(); |
| 1633 | return false; |
| 1634 | } |
| 1635 | |
| 1636 | bool MIParser::parseMachinePointerInfo(MachinePointerInfo &Dest) { |
Alex Lorenz | d858f87 | 2015-08-12 21:00:22 +0000 | [diff] [blame] | 1637 | if (Token.is(MIToken::kw_constant_pool) || Token.is(MIToken::kw_stack) || |
Alex Lorenz | 0cc671b | 2015-08-12 21:23:17 +0000 | [diff] [blame] | 1638 | Token.is(MIToken::kw_got) || Token.is(MIToken::kw_jump_table) || |
Alex Lorenz | 0d00964 | 2015-08-20 00:12:57 +0000 | [diff] [blame] | 1639 | Token.is(MIToken::FixedStackObject) || Token.is(MIToken::kw_call_entry)) { |
Alex Lorenz | 91097a3 | 2015-08-12 20:33:26 +0000 | [diff] [blame] | 1640 | const PseudoSourceValue *PSV = nullptr; |
| 1641 | if (parseMemoryPseudoSourceValue(PSV)) |
| 1642 | return true; |
| 1643 | int64_t Offset = 0; |
| 1644 | if (parseOffset(Offset)) |
| 1645 | return true; |
| 1646 | Dest = MachinePointerInfo(PSV, Offset); |
| 1647 | return false; |
| 1648 | } |
Alex Lorenz | 36efd38 | 2015-08-20 00:20:03 +0000 | [diff] [blame] | 1649 | if (Token.isNot(MIToken::NamedIRValue) && Token.isNot(MIToken::IRValue) && |
| 1650 | Token.isNot(MIToken::GlobalValue) && |
Alex Lorenz | c1136ef3 | 2015-08-21 21:54:12 +0000 | [diff] [blame] | 1651 | Token.isNot(MIToken::NamedGlobalValue) && |
| 1652 | Token.isNot(MIToken::QuotedIRValue)) |
Alex Lorenz | 91097a3 | 2015-08-12 20:33:26 +0000 | [diff] [blame] | 1653 | return error("expected an IR value reference"); |
Alex Lorenz | 36593ac | 2015-08-19 23:27:07 +0000 | [diff] [blame] | 1654 | const Value *V = nullptr; |
Alex Lorenz | 91097a3 | 2015-08-12 20:33:26 +0000 | [diff] [blame] | 1655 | if (parseIRValue(V)) |
| 1656 | return true; |
| 1657 | if (!V->getType()->isPointerTy()) |
| 1658 | return error("expected a pointer IR value"); |
| 1659 | lex(); |
| 1660 | int64_t Offset = 0; |
| 1661 | if (parseOffset(Offset)) |
| 1662 | return true; |
| 1663 | Dest = MachinePointerInfo(V, Offset); |
| 1664 | return false; |
| 1665 | } |
| 1666 | |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 1667 | bool MIParser::parseMachineMemoryOperand(MachineMemOperand *&Dest) { |
| 1668 | if (expectAndConsume(MIToken::lparen)) |
| 1669 | return true; |
Alex Lorenz | a518b79 | 2015-08-04 00:24:45 +0000 | [diff] [blame] | 1670 | unsigned Flags = 0; |
| 1671 | while (Token.isMemoryOperandFlag()) { |
| 1672 | if (parseMemoryOperandFlag(Flags)) |
| 1673 | return true; |
| 1674 | } |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 1675 | if (Token.isNot(MIToken::Identifier) || |
| 1676 | (Token.stringValue() != "load" && Token.stringValue() != "store")) |
| 1677 | return error("expected 'load' or 'store' memory operation"); |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 1678 | if (Token.stringValue() == "load") |
| 1679 | Flags |= MachineMemOperand::MOLoad; |
| 1680 | else |
| 1681 | Flags |= MachineMemOperand::MOStore; |
| 1682 | lex(); |
| 1683 | |
| 1684 | if (Token.isNot(MIToken::IntegerLiteral)) |
| 1685 | return error("expected the size integer literal after memory operation"); |
| 1686 | uint64_t Size; |
| 1687 | if (getUint64(Size)) |
| 1688 | return true; |
| 1689 | lex(); |
| 1690 | |
| 1691 | const char *Word = Flags & MachineMemOperand::MOLoad ? "from" : "into"; |
| 1692 | if (Token.isNot(MIToken::Identifier) || Token.stringValue() != Word) |
| 1693 | return error(Twine("expected '") + Word + "'"); |
| 1694 | lex(); |
| 1695 | |
Alex Lorenz | 91097a3 | 2015-08-12 20:33:26 +0000 | [diff] [blame] | 1696 | MachinePointerInfo Ptr = MachinePointerInfo(); |
| 1697 | if (parseMachinePointerInfo(Ptr)) |
Alex Lorenz | 8312773 | 2015-08-07 20:26:52 +0000 | [diff] [blame] | 1698 | return true; |
Alex Lorenz | 61420f7 | 2015-08-07 20:48:30 +0000 | [diff] [blame] | 1699 | unsigned BaseAlignment = Size; |
Alex Lorenz | a617c91 | 2015-08-17 22:05:15 +0000 | [diff] [blame] | 1700 | AAMDNodes AAInfo; |
Alex Lorenz | eb62568 | 2015-08-17 22:09:52 +0000 | [diff] [blame] | 1701 | MDNode *Range = nullptr; |
Alex Lorenz | a617c91 | 2015-08-17 22:05:15 +0000 | [diff] [blame] | 1702 | while (consumeIfPresent(MIToken::comma)) { |
| 1703 | switch (Token.kind()) { |
| 1704 | case MIToken::kw_align: |
| 1705 | if (parseAlignment(BaseAlignment)) |
| 1706 | return true; |
| 1707 | break; |
| 1708 | case MIToken::md_tbaa: |
| 1709 | lex(); |
| 1710 | if (parseMDNode(AAInfo.TBAA)) |
| 1711 | return true; |
| 1712 | break; |
Alex Lorenz | a16f624 | 2015-08-17 22:06:40 +0000 | [diff] [blame] | 1713 | case MIToken::md_alias_scope: |
| 1714 | lex(); |
| 1715 | if (parseMDNode(AAInfo.Scope)) |
| 1716 | return true; |
| 1717 | break; |
Alex Lorenz | 03e940d | 2015-08-17 22:08:02 +0000 | [diff] [blame] | 1718 | case MIToken::md_noalias: |
| 1719 | lex(); |
| 1720 | if (parseMDNode(AAInfo.NoAlias)) |
| 1721 | return true; |
| 1722 | break; |
Alex Lorenz | eb62568 | 2015-08-17 22:09:52 +0000 | [diff] [blame] | 1723 | case MIToken::md_range: |
| 1724 | lex(); |
| 1725 | if (parseMDNode(Range)) |
| 1726 | return true; |
| 1727 | break; |
Alex Lorenz | a617c91 | 2015-08-17 22:05:15 +0000 | [diff] [blame] | 1728 | // TODO: Report an error on duplicate metadata nodes. |
| 1729 | default: |
Alex Lorenz | eb62568 | 2015-08-17 22:09:52 +0000 | [diff] [blame] | 1730 | return error("expected 'align' or '!tbaa' or '!alias.scope' or " |
| 1731 | "'!noalias' or '!range'"); |
Alex Lorenz | a617c91 | 2015-08-17 22:05:15 +0000 | [diff] [blame] | 1732 | } |
Alex Lorenz | 61420f7 | 2015-08-07 20:48:30 +0000 | [diff] [blame] | 1733 | } |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 1734 | if (expectAndConsume(MIToken::rparen)) |
| 1735 | return true; |
Alex Lorenz | eb62568 | 2015-08-17 22:09:52 +0000 | [diff] [blame] | 1736 | Dest = |
| 1737 | MF.getMachineMemOperand(Ptr, Flags, Size, BaseAlignment, AAInfo, Range); |
Alex Lorenz | 4af7e61 | 2015-08-03 23:08:19 +0000 | [diff] [blame] | 1738 | return false; |
| 1739 | } |
| 1740 | |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 1741 | void MIParser::initNames2InstrOpCodes() { |
| 1742 | if (!Names2InstrOpCodes.empty()) |
| 1743 | return; |
| 1744 | const auto *TII = MF.getSubtarget().getInstrInfo(); |
| 1745 | assert(TII && "Expected target instruction info"); |
| 1746 | for (unsigned I = 0, E = TII->getNumOpcodes(); I < E; ++I) |
| 1747 | Names2InstrOpCodes.insert(std::make_pair(StringRef(TII->getName(I)), I)); |
| 1748 | } |
| 1749 | |
| 1750 | bool MIParser::parseInstrName(StringRef InstrName, unsigned &OpCode) { |
| 1751 | initNames2InstrOpCodes(); |
| 1752 | auto InstrInfo = Names2InstrOpCodes.find(InstrName); |
| 1753 | if (InstrInfo == Names2InstrOpCodes.end()) |
| 1754 | return true; |
| 1755 | OpCode = InstrInfo->getValue(); |
| 1756 | return false; |
| 1757 | } |
| 1758 | |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 1759 | void MIParser::initNames2Regs() { |
| 1760 | if (!Names2Regs.empty()) |
| 1761 | return; |
Alex Lorenz | 12b554e | 2015-06-24 17:34:58 +0000 | [diff] [blame] | 1762 | // The '%noreg' register is the register 0. |
| 1763 | Names2Regs.insert(std::make_pair("noreg", 0)); |
Alex Lorenz | f3db51de | 2015-06-23 16:35:26 +0000 | [diff] [blame] | 1764 | const auto *TRI = MF.getSubtarget().getRegisterInfo(); |
| 1765 | assert(TRI && "Expected target register info"); |
| 1766 | for (unsigned I = 0, E = TRI->getNumRegs(); I < E; ++I) { |
| 1767 | bool WasInserted = |
| 1768 | Names2Regs.insert(std::make_pair(StringRef(TRI->getName(I)).lower(), I)) |
| 1769 | .second; |
| 1770 | (void)WasInserted; |
| 1771 | assert(WasInserted && "Expected registers to be unique case-insensitively"); |
| 1772 | } |
| 1773 | } |
| 1774 | |
| 1775 | bool MIParser::getRegisterByName(StringRef RegName, unsigned &Reg) { |
| 1776 | initNames2Regs(); |
| 1777 | auto RegInfo = Names2Regs.find(RegName); |
| 1778 | if (RegInfo == Names2Regs.end()) |
| 1779 | return true; |
| 1780 | Reg = RegInfo->getValue(); |
| 1781 | return false; |
| 1782 | } |
| 1783 | |
Alex Lorenz | 8f6f428 | 2015-06-29 16:57:06 +0000 | [diff] [blame] | 1784 | void MIParser::initNames2RegMasks() { |
| 1785 | if (!Names2RegMasks.empty()) |
| 1786 | return; |
| 1787 | const auto *TRI = MF.getSubtarget().getRegisterInfo(); |
| 1788 | assert(TRI && "Expected target register info"); |
| 1789 | ArrayRef<const uint32_t *> RegMasks = TRI->getRegMasks(); |
| 1790 | ArrayRef<const char *> RegMaskNames = TRI->getRegMaskNames(); |
| 1791 | assert(RegMasks.size() == RegMaskNames.size()); |
| 1792 | for (size_t I = 0, E = RegMasks.size(); I < E; ++I) |
| 1793 | Names2RegMasks.insert( |
| 1794 | std::make_pair(StringRef(RegMaskNames[I]).lower(), RegMasks[I])); |
| 1795 | } |
| 1796 | |
| 1797 | const uint32_t *MIParser::getRegMask(StringRef Identifier) { |
| 1798 | initNames2RegMasks(); |
| 1799 | auto RegMaskInfo = Names2RegMasks.find(Identifier); |
| 1800 | if (RegMaskInfo == Names2RegMasks.end()) |
| 1801 | return nullptr; |
| 1802 | return RegMaskInfo->getValue(); |
| 1803 | } |
| 1804 | |
Alex Lorenz | 2eacca8 | 2015-07-13 23:24:34 +0000 | [diff] [blame] | 1805 | void MIParser::initNames2SubRegIndices() { |
| 1806 | if (!Names2SubRegIndices.empty()) |
| 1807 | return; |
| 1808 | const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo(); |
| 1809 | for (unsigned I = 1, E = TRI->getNumSubRegIndices(); I < E; ++I) |
| 1810 | Names2SubRegIndices.insert( |
| 1811 | std::make_pair(StringRef(TRI->getSubRegIndexName(I)).lower(), I)); |
| 1812 | } |
| 1813 | |
| 1814 | unsigned MIParser::getSubRegIndex(StringRef Name) { |
| 1815 | initNames2SubRegIndices(); |
| 1816 | auto SubRegInfo = Names2SubRegIndices.find(Name); |
| 1817 | if (SubRegInfo == Names2SubRegIndices.end()) |
| 1818 | return 0; |
| 1819 | return SubRegInfo->getValue(); |
| 1820 | } |
| 1821 | |
Alex Lorenz | cba8c5f | 2015-08-06 23:57:04 +0000 | [diff] [blame] | 1822 | static void initSlots2BasicBlocks( |
| 1823 | const Function &F, |
| 1824 | DenseMap<unsigned, const BasicBlock *> &Slots2BasicBlocks) { |
| 1825 | ModuleSlotTracker MST(F.getParent(), /*ShouldInitializeAllMetadata=*/false); |
Alex Lorenz | 8a1915b | 2015-07-27 22:42:41 +0000 | [diff] [blame] | 1826 | MST.incorporateFunction(F); |
| 1827 | for (auto &BB : F) { |
| 1828 | if (BB.hasName()) |
| 1829 | continue; |
| 1830 | int Slot = MST.getLocalSlot(&BB); |
| 1831 | if (Slot == -1) |
| 1832 | continue; |
| 1833 | Slots2BasicBlocks.insert(std::make_pair(unsigned(Slot), &BB)); |
| 1834 | } |
| 1835 | } |
| 1836 | |
Alex Lorenz | cba8c5f | 2015-08-06 23:57:04 +0000 | [diff] [blame] | 1837 | static const BasicBlock *getIRBlockFromSlot( |
| 1838 | unsigned Slot, |
| 1839 | const DenseMap<unsigned, const BasicBlock *> &Slots2BasicBlocks) { |
Alex Lorenz | 8a1915b | 2015-07-27 22:42:41 +0000 | [diff] [blame] | 1840 | auto BlockInfo = Slots2BasicBlocks.find(Slot); |
| 1841 | if (BlockInfo == Slots2BasicBlocks.end()) |
| 1842 | return nullptr; |
| 1843 | return BlockInfo->second; |
| 1844 | } |
| 1845 | |
Alex Lorenz | cba8c5f | 2015-08-06 23:57:04 +0000 | [diff] [blame] | 1846 | const BasicBlock *MIParser::getIRBlock(unsigned Slot) { |
| 1847 | if (Slots2BasicBlocks.empty()) |
| 1848 | initSlots2BasicBlocks(*MF.getFunction(), Slots2BasicBlocks); |
| 1849 | return getIRBlockFromSlot(Slot, Slots2BasicBlocks); |
| 1850 | } |
| 1851 | |
| 1852 | const BasicBlock *MIParser::getIRBlock(unsigned Slot, const Function &F) { |
| 1853 | if (&F == MF.getFunction()) |
| 1854 | return getIRBlock(Slot); |
| 1855 | DenseMap<unsigned, const BasicBlock *> CustomSlots2BasicBlocks; |
| 1856 | initSlots2BasicBlocks(F, CustomSlots2BasicBlocks); |
| 1857 | return getIRBlockFromSlot(Slot, CustomSlots2BasicBlocks); |
| 1858 | } |
| 1859 | |
Alex Lorenz | dd13be0 | 2015-08-19 23:31:05 +0000 | [diff] [blame] | 1860 | static void mapValueToSlot(const Value *V, ModuleSlotTracker &MST, |
| 1861 | DenseMap<unsigned, const Value *> &Slots2Values) { |
| 1862 | int Slot = MST.getLocalSlot(V); |
| 1863 | if (Slot == -1) |
| 1864 | return; |
| 1865 | Slots2Values.insert(std::make_pair(unsigned(Slot), V)); |
| 1866 | } |
| 1867 | |
| 1868 | /// Creates the mapping from slot numbers to function's unnamed IR values. |
| 1869 | static void initSlots2Values(const Function &F, |
| 1870 | DenseMap<unsigned, const Value *> &Slots2Values) { |
| 1871 | ModuleSlotTracker MST(F.getParent(), /*ShouldInitializeAllMetadata=*/false); |
| 1872 | MST.incorporateFunction(F); |
| 1873 | for (const auto &Arg : F.args()) |
| 1874 | mapValueToSlot(&Arg, MST, Slots2Values); |
| 1875 | for (const auto &BB : F) { |
| 1876 | mapValueToSlot(&BB, MST, Slots2Values); |
| 1877 | for (const auto &I : BB) |
| 1878 | mapValueToSlot(&I, MST, Slots2Values); |
| 1879 | } |
| 1880 | } |
| 1881 | |
| 1882 | const Value *MIParser::getIRValue(unsigned Slot) { |
| 1883 | if (Slots2Values.empty()) |
| 1884 | initSlots2Values(*MF.getFunction(), Slots2Values); |
| 1885 | auto ValueInfo = Slots2Values.find(Slot); |
| 1886 | if (ValueInfo == Slots2Values.end()) |
| 1887 | return nullptr; |
| 1888 | return ValueInfo->second; |
| 1889 | } |
| 1890 | |
Alex Lorenz | ef5c196 | 2015-07-28 23:02:45 +0000 | [diff] [blame] | 1891 | void MIParser::initNames2TargetIndices() { |
| 1892 | if (!Names2TargetIndices.empty()) |
| 1893 | return; |
| 1894 | const auto *TII = MF.getSubtarget().getInstrInfo(); |
| 1895 | assert(TII && "Expected target instruction info"); |
| 1896 | auto Indices = TII->getSerializableTargetIndices(); |
| 1897 | for (const auto &I : Indices) |
| 1898 | Names2TargetIndices.insert(std::make_pair(StringRef(I.second), I.first)); |
| 1899 | } |
| 1900 | |
| 1901 | bool MIParser::getTargetIndex(StringRef Name, int &Index) { |
| 1902 | initNames2TargetIndices(); |
| 1903 | auto IndexInfo = Names2TargetIndices.find(Name); |
| 1904 | if (IndexInfo == Names2TargetIndices.end()) |
| 1905 | return true; |
| 1906 | Index = IndexInfo->second; |
| 1907 | return false; |
| 1908 | } |
| 1909 | |
Alex Lorenz | 49873a8 | 2015-08-06 00:44:07 +0000 | [diff] [blame] | 1910 | void MIParser::initNames2DirectTargetFlags() { |
| 1911 | if (!Names2DirectTargetFlags.empty()) |
| 1912 | return; |
| 1913 | const auto *TII = MF.getSubtarget().getInstrInfo(); |
| 1914 | assert(TII && "Expected target instruction info"); |
| 1915 | auto Flags = TII->getSerializableDirectMachineOperandTargetFlags(); |
| 1916 | for (const auto &I : Flags) |
| 1917 | Names2DirectTargetFlags.insert( |
| 1918 | std::make_pair(StringRef(I.second), I.first)); |
| 1919 | } |
| 1920 | |
| 1921 | bool MIParser::getDirectTargetFlag(StringRef Name, unsigned &Flag) { |
| 1922 | initNames2DirectTargetFlags(); |
| 1923 | auto FlagInfo = Names2DirectTargetFlags.find(Name); |
| 1924 | if (FlagInfo == Names2DirectTargetFlags.end()) |
| 1925 | return true; |
| 1926 | Flag = FlagInfo->second; |
| 1927 | return false; |
| 1928 | } |
| 1929 | |
Alex Lorenz | f363011 | 2015-08-18 22:52:15 +0000 | [diff] [blame] | 1930 | void MIParser::initNames2BitmaskTargetFlags() { |
| 1931 | if (!Names2BitmaskTargetFlags.empty()) |
| 1932 | return; |
| 1933 | const auto *TII = MF.getSubtarget().getInstrInfo(); |
| 1934 | assert(TII && "Expected target instruction info"); |
| 1935 | auto Flags = TII->getSerializableBitmaskMachineOperandTargetFlags(); |
| 1936 | for (const auto &I : Flags) |
| 1937 | Names2BitmaskTargetFlags.insert( |
| 1938 | std::make_pair(StringRef(I.second), I.first)); |
| 1939 | } |
| 1940 | |
| 1941 | bool MIParser::getBitmaskTargetFlag(StringRef Name, unsigned &Flag) { |
| 1942 | initNames2BitmaskTargetFlags(); |
| 1943 | auto FlagInfo = Names2BitmaskTargetFlags.find(Name); |
| 1944 | if (FlagInfo == Names2BitmaskTargetFlags.end()) |
| 1945 | return true; |
| 1946 | Flag = FlagInfo->second; |
| 1947 | return false; |
| 1948 | } |
| 1949 | |
Alex Lorenz | 5022f6b | 2015-08-13 23:10:16 +0000 | [diff] [blame] | 1950 | bool llvm::parseMachineBasicBlockDefinitions(MachineFunction &MF, StringRef Src, |
| 1951 | PerFunctionMIParsingState &PFS, |
| 1952 | const SlotMapping &IRSlots, |
| 1953 | SMDiagnostic &Error) { |
| 1954 | SourceMgr SM; |
| 1955 | SM.AddNewSourceBuffer( |
| 1956 | MemoryBuffer::getMemBuffer(Src, "", /*RequiresNullTerminator=*/false), |
| 1957 | SMLoc()); |
| 1958 | return MIParser(SM, MF, Error, Src, PFS, IRSlots) |
| 1959 | .parseBasicBlockDefinitions(PFS.MBBSlots); |
| 1960 | } |
| 1961 | |
| 1962 | bool llvm::parseMachineInstructions(MachineFunction &MF, StringRef Src, |
| 1963 | const PerFunctionMIParsingState &PFS, |
| 1964 | const SlotMapping &IRSlots, |
| 1965 | SMDiagnostic &Error) { |
| 1966 | SourceMgr SM; |
| 1967 | SM.AddNewSourceBuffer( |
| 1968 | MemoryBuffer::getMemBuffer(Src, "", /*RequiresNullTerminator=*/false), |
| 1969 | SMLoc()); |
| 1970 | return MIParser(SM, MF, Error, Src, PFS, IRSlots).parseBasicBlocks(); |
Alex Lorenz | 8e0a1b4 | 2015-06-22 17:02:30 +0000 | [diff] [blame] | 1971 | } |
Alex Lorenz | f09df00 | 2015-06-30 18:16:42 +0000 | [diff] [blame] | 1972 | |
Alex Lorenz | 7a503fa | 2015-07-07 17:46:43 +0000 | [diff] [blame] | 1973 | bool llvm::parseMBBReference(MachineBasicBlock *&MBB, SourceMgr &SM, |
| 1974 | MachineFunction &MF, StringRef Src, |
| 1975 | const PerFunctionMIParsingState &PFS, |
| 1976 | const SlotMapping &IRSlots, SMDiagnostic &Error) { |
Alex Lorenz | 1ea6089 | 2015-07-27 20:29:27 +0000 | [diff] [blame] | 1977 | return MIParser(SM, MF, Error, Src, PFS, IRSlots).parseStandaloneMBB(MBB); |
Alex Lorenz | f09df00 | 2015-06-30 18:16:42 +0000 | [diff] [blame] | 1978 | } |
Alex Lorenz | 9fab370 | 2015-07-14 21:24:41 +0000 | [diff] [blame] | 1979 | |
| 1980 | bool llvm::parseNamedRegisterReference(unsigned &Reg, SourceMgr &SM, |
| 1981 | MachineFunction &MF, StringRef Src, |
| 1982 | const PerFunctionMIParsingState &PFS, |
| 1983 | const SlotMapping &IRSlots, |
| 1984 | SMDiagnostic &Error) { |
Alex Lorenz | 1ea6089 | 2015-07-27 20:29:27 +0000 | [diff] [blame] | 1985 | return MIParser(SM, MF, Error, Src, PFS, IRSlots) |
| 1986 | .parseStandaloneNamedRegister(Reg); |
Alex Lorenz | 9fab370 | 2015-07-14 21:24:41 +0000 | [diff] [blame] | 1987 | } |
Alex Lorenz | 12045a4 | 2015-07-27 17:42:45 +0000 | [diff] [blame] | 1988 | |
| 1989 | bool llvm::parseVirtualRegisterReference(unsigned &Reg, SourceMgr &SM, |
| 1990 | MachineFunction &MF, StringRef Src, |
| 1991 | const PerFunctionMIParsingState &PFS, |
| 1992 | const SlotMapping &IRSlots, |
| 1993 | SMDiagnostic &Error) { |
| 1994 | return MIParser(SM, MF, Error, Src, PFS, IRSlots) |
| 1995 | .parseStandaloneVirtualRegister(Reg); |
| 1996 | } |
Alex Lorenz | a314d81 | 2015-08-18 22:26:26 +0000 | [diff] [blame] | 1997 | |
| 1998 | bool llvm::parseStackObjectReference(int &FI, SourceMgr &SM, |
| 1999 | MachineFunction &MF, StringRef Src, |
| 2000 | const PerFunctionMIParsingState &PFS, |
| 2001 | const SlotMapping &IRSlots, |
| 2002 | SMDiagnostic &Error) { |
| 2003 | return MIParser(SM, MF, Error, Src, PFS, IRSlots) |
| 2004 | .parseStandaloneStackObject(FI); |
| 2005 | } |
Alex Lorenz | df9e3c6 | 2015-08-19 00:13:25 +0000 | [diff] [blame] | 2006 | |
| 2007 | bool llvm::parseMDNode(MDNode *&Node, SourceMgr &SM, MachineFunction &MF, |
| 2008 | StringRef Src, const PerFunctionMIParsingState &PFS, |
| 2009 | const SlotMapping &IRSlots, SMDiagnostic &Error) { |
| 2010 | return MIParser(SM, MF, Error, Src, PFS, IRSlots).parseStandaloneMDNode(Node); |
| 2011 | } |