llvm/lib/Target/SystemZ/SystemZTargetMachine.cpp
Anton Korobeynikov 6fe326c713 Implement 'large' PIC model
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76006 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:16:05 +00:00

76 lines
2.6 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;
/// SystemZTargetMachineModule - 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 SystemZTargetMachineModule;
int SystemZTargetMachineModule = 0;
// Register the target.
static RegisterTarget<SystemZTargetMachine>
X("systemz", "SystemZ [experimental]");
const TargetAsmInfo *SystemZTargetMachine::createTargetAsmInfo() const {
// FIXME: Handle Solaris subtarget someday :)
return new SystemZTargetAsmInfo(*this);
}
/// SystemZTargetMachine ctor - Create an ILP64 architecture model
///
SystemZTargetMachine::SystemZTargetMachine(const Module &M, const std::string &FS)
: 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;
}
bool SystemZTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
bool Verbose,
raw_ostream &Out) {
// Output assembly language.
PM.add(createSystemZCodePrinterPass(Out, *this, OptLevel, Verbose));
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;
}