It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/IA64/IA64TargetMachine.cpp b/lib/Target/IA64/IA64TargetMachine.cpp
new file mode 100644
index 0000000..51beaa1
--- /dev/null
+++ b/lib/Target/IA64/IA64TargetMachine.cpp
@@ -0,0 +1,91 @@
+//===-- IA64TargetMachine.cpp - Define TargetMachine for IA64 -------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Duraid Madina and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the IA64 specific subclass of TargetMachine.
+//
+//===----------------------------------------------------------------------===//
+
+#include "IA64TargetAsmInfo.h"
+#include "IA64TargetMachine.h"
+#include "IA64.h"
+#include "llvm/Module.h"
+#include "llvm/PassManager.h"
+#include "llvm/Target/TargetMachineRegistry.h"
+using namespace llvm;
+
+/// IA64TargetMachineModule - Note that this is used on hosts that cannot link
+/// in a library unless there are references into the library. In particular,
+/// it seems that it is not possible to get things to work on Win32 without
+/// this. Though it is unused, do not remove it.
+extern "C" int IA64TargetMachineModule;
+int IA64TargetMachineModule = 0;
+
+namespace {
+ RegisterTarget<IA64TargetMachine> X("ia64", " IA-64 (Itanium)");
+}
+
+const TargetAsmInfo *IA64TargetMachine::createTargetAsmInfo() const {
+ return new IA64TargetAsmInfo(*this);
+}
+
+unsigned IA64TargetMachine::getModuleMatchQuality(const Module &M) {
+ // we match [iI][aA]*64
+ bool seenIA64=false;
+ std::string TT = M.getTargetTriple();
+
+ if (TT.size() >= 4) {
+ if( (TT[0]=='i' || TT[0]=='I') &&
+ (TT[1]=='a' || TT[1]=='A') ) {
+ for(unsigned int i=2; i<(TT.size()-1); i++)
+ if(TT[i]=='6' && TT[i+1]=='4')
+ seenIA64=true;
+ }
+
+ if (seenIA64)
+ return 20; // strong match
+ }
+ // If the target triple is something non-ia64, we don't match.
+ if (!TT.empty()) return 0;
+
+#if defined(__ia64__) || defined(__IA64__)
+ return 5;
+#else
+ return 0;
+#endif
+}
+
+/// IA64TargetMachine ctor - Create an LP64 architecture model
+///
+IA64TargetMachine::IA64TargetMachine(const Module &M, const std::string &FS)
+ : DataLayout("e"),
+ FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
+ TLInfo(*this) { // FIXME? check this stuff
+}
+
+
+//===----------------------------------------------------------------------===//
+// Pass Pipeline Configuration
+//===----------------------------------------------------------------------===//
+
+bool IA64TargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast) {
+ PM.add(createIA64DAGToDAGInstructionSelector(*this));
+ return false;
+}
+
+bool IA64TargetMachine::addPreEmitPass(FunctionPassManager &PM, bool Fast) {
+ // Make sure everything is bundled happily
+ PM.add(createIA64BundlingPass(*this));
+ return true;
+}
+bool IA64TargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast,
+ std::ostream &Out) {
+ PM.add(createIA64CodePrinterPass(Out, *this));
+ return false;
+}
+