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Diffstat (limited to 'lib/Target/X86/X86TargetMachine.cpp')
-rw-r--r--lib/Target/X86/X86TargetMachine.cpp121
1 files changed, 88 insertions, 33 deletions
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index aa5cfc64e9eb..03a1958121ab 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -11,22 +11,47 @@
//
//===----------------------------------------------------------------------===//
-#include "X86TargetMachine.h"
+#include "MCTargetDesc/X86MCTargetDesc.h"
#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"
#include "X86TargetObjectFile.h"
#include "X86TargetTransformInfo.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Triple.h"
+#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"
+#include "llvm/CodeGen/GlobalISel/RegBankSelect.h"
#include "llvm/CodeGen/MachineScheduler.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetPassConfig.h"
+#include "llvm/IR/Attributes.h"
+#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Function.h"
-#include "llvm/IR/LegacyPassManager.h"
+#include "llvm/Pass.h"
+#include "llvm/Support/CodeGen.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetOptions.h"
+#include <memory>
+#include <string>
+
using namespace llvm;
static cl::opt<bool> EnableMachineCombinerPass("x86-machine-combiner",
@@ -34,8 +59,11 @@ static cl::opt<bool> EnableMachineCombinerPass("x86-machine-combiner",
cl::init(true), cl::Hidden);
namespace llvm {
+
void initializeWinEHStatePassPass(PassRegistry &);
-}
+void initializeX86ExecutionDepsFixPass(PassRegistry &);
+
+} // end namespace llvm
extern "C" void LLVMInitializeX86Target() {
// Register the target.
@@ -47,27 +75,28 @@ extern "C" void LLVMInitializeX86Target() {
initializeWinEHStatePassPass(PR);
initializeFixupBWInstPassPass(PR);
initializeEvexToVexInstPassPass(PR);
+ initializeX86ExecutionDepsFixPass(PR);
}
static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
if (TT.isOSBinFormatMachO()) {
if (TT.getArch() == Triple::x86_64)
- return make_unique<X86_64MachoTargetObjectFile>();
- return make_unique<TargetLoweringObjectFileMachO>();
+ return llvm::make_unique<X86_64MachoTargetObjectFile>();
+ return llvm::make_unique<TargetLoweringObjectFileMachO>();
}
if (TT.isOSFreeBSD())
- return make_unique<X86FreeBSDTargetObjectFile>();
+ return llvm::make_unique<X86FreeBSDTargetObjectFile>();
if (TT.isOSLinux() || TT.isOSNaCl())
- return make_unique<X86LinuxNaClTargetObjectFile>();
+ return llvm::make_unique<X86LinuxNaClTargetObjectFile>();
if (TT.isOSFuchsia())
- return make_unique<X86FuchsiaTargetObjectFile>();
+ return llvm::make_unique<X86FuchsiaTargetObjectFile>();
if (TT.isOSBinFormatELF())
- return make_unique<X86ELFTargetObjectFile>();
+ return llvm::make_unique<X86ELFTargetObjectFile>();
if (TT.isKnownWindowsMSVCEnvironment() || TT.isWindowsCoreCLREnvironment())
- return make_unique<X86WindowsTargetObjectFile>();
+ return llvm::make_unique<X86WindowsTargetObjectFile>();
if (TT.isOSBinFormatCOFF())
- return make_unique<TargetLoweringObjectFileCOFF>();
+ return llvm::make_unique<TargetLoweringObjectFileCOFF>();
llvm_unreachable("unknown subtarget type");
}
@@ -177,31 +206,37 @@ X86TargetMachine::X86TargetMachine(const Target &T, const Triple &TT,
initAsmInfo();
}
-X86TargetMachine::~X86TargetMachine() {}
+X86TargetMachine::~X86TargetMachine() = default;
#ifdef LLVM_BUILD_GLOBAL_ISEL
namespace {
+
struct X86GISelActualAccessor : public GISelAccessor {
- std::unique_ptr<CallLowering> CL;
- X86GISelActualAccessor(CallLowering* CL): CL(CL) {}
+ 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 CL.get();
+ return CallLoweringInfo.get();
}
+
const InstructionSelector *getInstructionSelector() const override {
- //TODO: Implement
- return nullptr;
+ return InstSelector.get();
}
+
const LegalizerInfo *getLegalizerInfo() const override {
- //TODO: Implement
- return nullptr;
+ return Legalizer.get();
}
+
const RegisterBankInfo *getRegBankInfo() const override {
- //TODO: Implement
- return nullptr;
+ return RegBankInfo.get();
}
};
-} // End anonymous namespace.
+
+} // end anonymous namespace
#endif
+
const X86Subtarget *
X86TargetMachine::getSubtargetImpl(const Function &F) const {
Attribute CPUAttr = F.getFnAttribute("target-cpu");
@@ -244,8 +279,14 @@ X86TargetMachine::getSubtargetImpl(const Function &F) const {
#ifndef LLVM_BUILD_GLOBAL_ISEL
GISelAccessor *GISel = new GISelAccessor();
#else
- X86GISelActualAccessor *GISel = new X86GISelActualAccessor(
- new X86CallLowering(*I->getTargetLowering()));
+ 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(*I, *RBI));
#endif
I->setGISelAccessor(*GISel);
}
@@ -270,12 +311,12 @@ TargetIRAnalysis X86TargetMachine::getTargetIRAnalysis() {
});
}
-
//===----------------------------------------------------------------------===//
// Pass Pipeline Configuration
//===----------------------------------------------------------------------===//
namespace {
+
/// X86 Code Generator Pass Configuration Options.
class X86PassConfig : public TargetPassConfig {
public:
@@ -289,7 +330,7 @@ public:
ScheduleDAGInstrs *
createMachineScheduler(MachineSchedContext *C) const override {
ScheduleDAGMILive *DAG = createGenericSchedLive(C);
- DAG->addMutation(createMacroFusionDAGMutation(DAG->TII));
+ DAG->addMutation(createX86MacroFusionDAGMutation());
return DAG;
}
@@ -301,14 +342,28 @@ public:
bool addRegBankSelect() override;
bool addGlobalInstructionSelect() override;
#endif
-bool addILPOpts() override;
+ bool addILPOpts() override;
bool addPreISel() override;
void addPreRegAlloc() override;
void addPostRegAlloc() override;
void addPreEmitPass() override;
void addPreSched2() override;
};
-} // namespace
+
+class X86ExecutionDepsFix : public ExecutionDepsFix {
+public:
+ static char ID;
+ X86ExecutionDepsFix() : ExecutionDepsFix(ID, X86::VR128XRegClass) {}
+ StringRef getPassName() const override {
+ return "X86 Execution Dependency Fix";
+ }
+};
+char X86ExecutionDepsFix::ID;
+
+} // end anonymous namespace
+
+INITIALIZE_PASS(X86ExecutionDepsFix, "x86-execution-deps-fix",
+ "X86 Execution Dependency Fix", false, false)
TargetPassConfig *X86TargetMachine::createPassConfig(PassManagerBase &PM) {
return new X86PassConfig(this, PM);
@@ -343,17 +398,17 @@ bool X86PassConfig::addIRTranslator() {
}
bool X86PassConfig::addLegalizeMachineIR() {
- //TODO: Implement
+ addPass(new Legalizer());
return false;
}
bool X86PassConfig::addRegBankSelect() {
- //TODO: Implement
+ addPass(new RegBankSelect());
return false;
}
bool X86PassConfig::addGlobalInstructionSelect() {
- //TODO: Implement
+ addPass(new InstructionSelect());
return false;
}
#endif
@@ -391,7 +446,7 @@ void X86PassConfig::addPreSched2() { addPass(createX86ExpandPseudoPass()); }
void X86PassConfig::addPreEmitPass() {
if (getOptLevel() != CodeGenOpt::None)
- addPass(createExecutionDependencyFixPass(&X86::VR128XRegClass));
+ addPass(new X86ExecutionDepsFix());
if (UseVZeroUpper)
addPass(createX86IssueVZeroUpperPass());
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-12 06:12:04 +0000