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llvm-mirror/lib/Target/IA64/IA64TargetMachine.cpp
Chris Lattner 562984c110 mark some targets as experimental. Andrew, if you think that Alpha is
basically working, feel free to remove the tag.  The other targets have
really basic things that break them.

llvm-svn: 57628
2008-10-16 06:16:50 +00:00

91 lines
2.9 KiB
C++

//===-- IA64TargetMachine.cpp - Define TargetMachine for IA64 -------------===//
//
// The LLVM Compiler Infrastructure
//
// This file 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;
static RegisterTarget<IA64TargetMachine> X("ia64",
"IA-64 (Itanium) [experimental]");
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-f80:128:128"),
FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
TLInfo(*this) { // FIXME? check this stuff
}
//===----------------------------------------------------------------------===//
// Pass Pipeline Configuration
//===----------------------------------------------------------------------===//
bool IA64TargetMachine::addInstSelector(PassManagerBase &PM, bool Fast) {
PM.add(createIA64DAGToDAGInstructionSelector(*this));
return false;
}
bool IA64TargetMachine::addPreEmitPass(PassManagerBase &PM, bool Fast) {
// Make sure everything is bundled happily
PM.add(createIA64BundlingPass(*this));
return true;
}
bool IA64TargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast,
raw_ostream &Out) {
PM.add(createIA64CodePrinterPass(Out, *this));
return false;
}