llvm/lib/Target/SystemZ/SystemZTargetMachine.cpp
2009-07-18 23:03:22 +00:00

71 lines
2.2 KiB
C++

//===-- SystemZTargetMachine.cpp - Define TargetMachine for SystemZ -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
#include "SystemZTargetAsmInfo.h"
#include "SystemZTargetMachine.h"
#include "SystemZ.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/Target/TargetMachineRegistry.h"
using namespace llvm;
namespace {
// Register the target.
RegisterTarget<SystemZTargetMachine> X(TheSystemZTarget,
"systemz",
"SystemZ [experimental]");
}
// Force static initialization.
extern "C" void LLVMInitializeSystemZTarget() {
}
const TargetAsmInfo *SystemZTargetMachine::createTargetAsmInfo() const {
// FIXME: Handle Solaris subtarget someday :)
return new SystemZTargetAsmInfo(*this);
}
/// SystemZTargetMachine ctor - Create an ILP64 architecture model
///
SystemZTargetMachine::SystemZTargetMachine(const Target &T,
const Module &M,
const std::string &FS)
: LLVMTargetMachine(T),
Subtarget(*this, M, FS),
DataLayout("E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
"-f64:64:64-f128:128:128-a0:16:16"),
InstrInfo(*this), TLInfo(*this),
FrameInfo(TargetFrameInfo::StackGrowsDown, 8, -160) {
if (getRelocationModel() == Reloc::Default)
setRelocationModel(Reloc::Static);
}
bool SystemZTargetMachine::addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
// Install an instruction selector.
PM.add(createSystemZISelDag(*this, OptLevel));
return false;
}
unsigned SystemZTargetMachine::getModuleMatchQuality(const Module &M) {
std::string TT = M.getTargetTriple();
// We strongly match s390x
if (TT.size() >= 5 && TT[0] == 's' && TT[1] == '3' && TT[2] == '9' &&
TT[3] == '0' && TT[4] == 'x')
return 20;
return 0;
}