forked from OSchip/llvm-project
61 lines
2.1 KiB
C++
61 lines
2.1 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 "SystemZTargetMachine.h"
|
||
|
|
#include "llvm/CodeGen/Passes.h"
|
||
|
|
#include "llvm/Support/TargetRegistry.h"
|
||
|
|
|
||
|
|
using namespace llvm;
|
||
|
|
|
||
|
|
extern "C" void LLVMInitializeSystemZTarget() {
|
||
|
|
// Register the target.
|
||
|
|
RegisterTargetMachine<SystemZTargetMachine> X(TheSystemZTarget);
|
||
|
|
}
|
||
|
|
|
||
|
|
SystemZTargetMachine::SystemZTargetMachine(const Target &T, StringRef TT,
|
||
|
|
StringRef CPU, StringRef FS,
|
||
|
|
const TargetOptions &Options,
|
||
|
|
Reloc::Model RM,
|
||
|
|
CodeModel::Model CM,
|
||
|
|
CodeGenOpt::Level OL)
|
||
|
|
: LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
|
||
|
|
Subtarget(TT, CPU, FS),
|
||
|
|
// Make sure that global data has at least 16 bits of alignment by default,
|
||
|
|
// so that we can refer to it using LARL. We don't have any special
|
||
|
|
// requirements for stack variables though.
|
||
|
|
DL("E-p:64:64:64-i1:8:16-i8:8:16-i16:16-i32:32-i64:64"
|
||
|
|
"-f32:32-f64:64-f128:64-a0:8:16-n32:64"),
|
||
|
|
InstrInfo(*this), TLInfo(*this), TSInfo(*this),
|
||
|
|
FrameLowering(*this, Subtarget) {
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
/// SystemZ Code Generator Pass Configuration Options.
|
||
|
|
class SystemZPassConfig : public TargetPassConfig {
|
||
|
|
public:
|
||
|
|
SystemZPassConfig(SystemZTargetMachine *TM, PassManagerBase &PM)
|
||
|
|
: TargetPassConfig(TM, PM) {}
|
||
|
|
|
||
|
|
SystemZTargetMachine &getSystemZTargetMachine() const {
|
||
|
|
return getTM<SystemZTargetMachine>();
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual bool addInstSelector();
|
||
|
|
};
|
||
|
|
} // end anonymous namespace
|
||
|
|
|
||
|
|
bool SystemZPassConfig::addInstSelector() {
|
||
|
|
addPass(createSystemZISelDag(getSystemZTargetMachine(), getOptLevel()));
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
TargetPassConfig *SystemZTargetMachine::createPassConfig(PassManagerBase &PM) {
|
||
|
|
return new SystemZPassConfig(this, PM);
|
||
|
|
}
|