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//===-- 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, unsigned OptLEvel){
PM.add(createIA64DAGToDAGInstructionSelector(*this));
return false;
}
bool IA64TargetMachine::addPreEmitPass(PassManagerBase &PM, unsigned OptLevel) {
// Make sure everything is bundled happily
PM.add(createIA64BundlingPass(*this));
return true;
}
bool IA64TargetMachine::addAssemblyEmitter(PassManagerBase &PM,
unsigned OptLevel,
bool Verbose,
raw_ostream &Out) {
PM.add(createIA64CodePrinterPass(Out, *this, OptLevel, Verbose));
return false;
}
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