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[X86] Move GISel accessor initialization from TargetMachine to Subtarget. 

NFC

llvm-svn: 306921
This commit is contained in:
Quentin Colombet 2017-07-01 00:45:50 +00:00
parent 51b7af3e14
commit 8cf805ae89
2 changed files with 55 additions and 47 deletions
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55
llvm/lib/Target/X86/X86Subtarget.cpp
View File

@ -11,10 +11,23 @@
//
//===----------------------------------------------------------------------===//
#include "X86.h"
#ifdef LLVM_BUILD_GLOBAL_ISEL
#include "X86CallLowering.h"
#include "X86LegalizerInfo.h"
#include "X86RegisterBankInfo.h"
#endif
#include "X86Subtarget.h"
#include "MCTargetDesc/X86BaseInfo.h"
#include "X86TargetMachine.h"
#include "llvm/ADT/Triple.h"
#ifdef LLVM_BUILD_GLOBAL_ISEL
#include "llvm/CodeGen/GlobalISel/CallLowering.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
#include "llvm/CodeGen/GlobalISel/Legalizer.h"
#include "llvm/CodeGen/GlobalISel/RegBankSelect.h"
#endif
#include "llvm/IR/Attributes.h"
#include "llvm/IR/ConstantRange.h"
#include "llvm/IR/Function.h"
@ -336,6 +349,35 @@ X86Subtarget &X86Subtarget::initializeSubtargetDependencies(StringRef CPU,
return *this;
}
#ifdef LLVM_BUILD_GLOBAL_ISEL
namespace {
struct X86GISelActualAccessor : public GISelAccessor {
std::unique_ptr<CallLowering> CallLoweringInfo;
std::unique_ptr<LegalizerInfo> Legalizer;
std::unique_ptr<RegisterBankInfo> RegBankInfo;
std::unique_ptr<InstructionSelector> InstSelector;
const CallLowering *getCallLowering() const override {
return CallLoweringInfo.get();
}
const InstructionSelector *getInstructionSelector() const override {
return InstSelector.get();
}
const LegalizerInfo *getLegalizerInfo() const override {
return Legalizer.get();
}
const RegisterBankInfo *getRegBankInfo() const override {
return RegBankInfo.get();
}
};
} // end anonymous namespace
#endif
X86Subtarget::X86Subtarget(const Triple &TT, StringRef CPU, StringRef FS,
const X86TargetMachine &TM,
unsigned StackAlignOverride)
@ -360,6 +402,19 @@ X86Subtarget::X86Subtarget(const Triple &TT, StringRef CPU, StringRef FS,
setPICStyle(PICStyles::StubPIC);
else if (isTargetELF())
setPICStyle(PICStyles::GOT);
#ifndef LLVM_BUILD_GLOBAL_ISEL
GISelAccessor *GISel = new GISelAccessor();
#else
X86GISelActualAccessor *GISel = new X86GISelActualAccessor();
GISel->CallLoweringInfo.reset(new X86CallLowering(*getTargetLowering()));
GISel->Legalizer.reset(new X86LegalizerInfo(*this, TM));
auto *RBI = new X86RegisterBankInfo(*getRegisterInfo());
GISel->RegBankInfo.reset(RBI);
GISel->InstSelector.reset(createX86InstructionSelector(TM, *this, *RBI));
#endif
setGISelAccessor(*GISel);
}
const CallLowering *X86Subtarget::getCallLowering() const {

47
llvm/lib/Target/X86/X86TargetMachine.cpp
View File

@ -15,9 +15,6 @@
#include "X86.h"
#include "X86CallLowering.h"
#include "X86LegalizerInfo.h"
#ifdef LLVM_BUILD_GLOBAL_ISEL
#include "X86RegisterBankInfo.h"
#endif
#include "X86MacroFusion.h"
#include "X86Subtarget.h"
#include "X86TargetMachine.h"
@ -31,7 +28,6 @@
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/ExecutionDepsFix.h"
#include "llvm/CodeGen/GlobalISel/CallLowering.h"
#include "llvm/CodeGen/GlobalISel/GISelAccessor.h"
#include "llvm/CodeGen/GlobalISel/IRTranslator.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
#include "llvm/CodeGen/GlobalISel/Legalizer.h"
@ -212,35 +208,6 @@ X86TargetMachine::X86TargetMachine(const Target &T, const Triple &TT,
X86TargetMachine::~X86TargetMachine() = default;
#ifdef LLVM_BUILD_GLOBAL_ISEL
namespace {
struct X86GISelActualAccessor : public GISelAccessor {
std::unique_ptr<CallLowering> CallLoweringInfo;
std::unique_ptr<LegalizerInfo> Legalizer;
std::unique_ptr<RegisterBankInfo> RegBankInfo;
std::unique_ptr<InstructionSelector> InstSelector;
const CallLowering *getCallLowering() const override {
return CallLoweringInfo.get();
}
const InstructionSelector *getInstructionSelector() const override {
return InstSelector.get();
}
const LegalizerInfo *getLegalizerInfo() const override {
return Legalizer.get();
}
const RegisterBankInfo *getRegBankInfo() const override {
return RegBankInfo.get();
}
};
} // end anonymous namespace
#endif
const X86Subtarget *
X86TargetMachine::getSubtargetImpl(const Function &F) const {
Attribute CPUAttr = F.getFnAttribute("target-cpu");
@ -280,20 +247,6 @@ X86TargetMachine::getSubtargetImpl(const Function &F) const {
resetTargetOptions(F);
I = llvm::make_unique<X86Subtarget>(TargetTriple, CPU, FS, *this,
Options.StackAlignmentOverride);
#ifndef LLVM_BUILD_GLOBAL_ISEL
GISelAccessor *GISel = new GISelAccessor();
#else
X86GISelActualAccessor *GISel = new X86GISelActualAccessor();
GISel->CallLoweringInfo.reset(new X86CallLowering(*I->getTargetLowering()));
GISel->Legalizer.reset(new X86LegalizerInfo(*I, *this));
auto *RBI = new X86RegisterBankInfo(*I->getRegisterInfo());
GISel->RegBankInfo.reset(RBI);
GISel->InstSelector.reset(createX86InstructionSelector(
*this, *I, *RBI));
#endif
I->setGISelAccessor(*GISel);
}
return I.get();
}