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llvm-mirror/lib/Target/XCore/XCoreTargetMachine.cpp
Mehdi Amini 93003b9ee7 Fix "static initialization order fiasco" for the XCore Target.
I fixed all the other Targets in r283702, and interestingly the
sanitizers are only now "sometimes" catching this bug on the only
one I missed.

llvm-svn: 283914
2016-10-11 18:22:41 +00:00

100 lines
3.0 KiB
C++

//===-- XCoreTargetMachine.cpp - Define TargetMachine for XCore -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
#include "XCoreTargetMachine.h"
#include "XCoreTargetObjectFile.h"
#include "XCoreTargetTransformInfo.h"
#include "XCore.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
static Reloc::Model getEffectiveRelocModel(Optional<Reloc::Model> RM) {
if (!RM.hasValue())
return Reloc::Static;
return *RM;
}
/// Create an ILP32 architecture model
///
XCoreTargetMachine::XCoreTargetMachine(const Target &T, const Triple &TT,
StringRef CPU, StringRef FS,
const TargetOptions &Options,
Optional<Reloc::Model> RM,
CodeModel::Model CM,
CodeGenOpt::Level OL)
: LLVMTargetMachine(
T, "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32-f64:32-a:0:32-n32",
TT, CPU, FS, Options, getEffectiveRelocModel(RM), CM, OL),
TLOF(make_unique<XCoreTargetObjectFile>()),
Subtarget(TT, CPU, FS, *this) {
initAsmInfo();
}
XCoreTargetMachine::~XCoreTargetMachine() {}
namespace {
/// XCore Code Generator Pass Configuration Options.
class XCorePassConfig : public TargetPassConfig {
public:
XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM)
: TargetPassConfig(TM, PM) {}
XCoreTargetMachine &getXCoreTargetMachine() const {
return getTM<XCoreTargetMachine>();
}
void addIRPasses() override;
bool addPreISel() override;
bool addInstSelector() override;
void addPreEmitPass() override;
};
} // namespace
TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
return new XCorePassConfig(this, PM);
}
void XCorePassConfig::addIRPasses() {
addPass(createAtomicExpandPass(&getXCoreTargetMachine()));
TargetPassConfig::addIRPasses();
}
bool XCorePassConfig::addPreISel() {
addPass(createXCoreLowerThreadLocalPass());
return false;
}
bool XCorePassConfig::addInstSelector() {
addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
return false;
}
void XCorePassConfig::addPreEmitPass() {
addPass(createXCoreFrameToArgsOffsetEliminationPass(), false);
}
// Force static initialization.
extern "C" void LLVMInitializeXCoreTarget() {
RegisterTargetMachine<XCoreTargetMachine> X(getTheXCoreTarget());
}
TargetIRAnalysis XCoreTargetMachine::getTargetIRAnalysis() {
return TargetIRAnalysis([this](const Function &F) {
return TargetTransformInfo(XCoreTTIImpl(this, F));
});
}