//===----------------------------------------------------------------------===//
#include "llvm/Target/TargetMachine.h"
-
#include "llvm/Analysis/Passes.h"
#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/JumpInstrTables.h"
+#include "llvm/CodeGen/BasicTTIImpl.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/IR/IRPrintingPasses.h"
+#include "llvm/IR/LegacyPassManager.h"
#include "llvm/IR/Verifier.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/PassManager.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetOptions.h"
-#include "llvm/Target/TargetRegisterInfo.h"
-#include "llvm/Target/TargetSubtargetInfo.h"
#include "llvm/Transforms/Scalar.h"
using namespace llvm;
cl::desc("Enable the \"fast\" instruction selector"));
void LLVMTargetMachine::initAsmInfo() {
- MCAsmInfo *TmpAsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(),
- TargetTriple);
+ MRI = TheTarget.createMCRegInfo(getTargetTriple());
+ MII = TheTarget.createMCInstrInfo();
+ // FIXME: Having an MCSubtargetInfo on the target machine is a hack due
+ // to some backends having subtarget feature dependent module level
+ // code generation. This is similar to the hack in the AsmPrinter for
+ // module level assembly etc.
+ STI = TheTarget.createMCSubtargetInfo(getTargetTriple(), getTargetCPU(),
+ getTargetFeatureString());
+
+ MCAsmInfo *TmpAsmInfo = TheTarget.createMCAsmInfo(*MRI, getTargetTriple());
// TargetSelect.h moved to a different directory between LLVM 2.9 and 3.0,
// and if the old one gets included then MCAsmInfo will be NULL and
// we'll crash later.
AsmInfo = TmpAsmInfo;
}
-LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
- StringRef CPU, StringRef FS,
- TargetOptions Options,
+LLVMTargetMachine::LLVMTargetMachine(const Target &T,
+ StringRef DataLayoutString,
+ StringRef Triple, StringRef CPU,
+ StringRef FS, TargetOptions Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
- : TargetMachine(T, Triple, CPU, FS, Options) {
+ : TargetMachine(T, DataLayoutString, Triple, CPU, FS, Options) {
CodeGenInfo = T.createMCCodeGenInfo(Triple, RM, CM, OL);
}
-void LLVMTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
- PM.add(createBasicTargetTransformInfoPass(this));
+TargetIRAnalysis LLVMTargetMachine::getTargetIRAnalysis() {
+ return TargetIRAnalysis([this](Function &F) {
+ return TargetTransformInfo(BasicTTIImpl(this, F));
+ });
}
/// addPassesToX helper drives creation and initialization of TargetPassConfig.
AnalysisID StopAfter) {
// Add internal analysis passes from the target machine.
- TM->addAnalysisPasses(PM);
+ PM.add(createTargetTransformInfoWrapperPass(TM->getTargetIRAnalysis()));
// Targets may override createPassConfig to provide a target-specific
// subclass.
// Install a MachineModuleInfo class, which is an immutable pass that holds
// all the per-module stuff we're generating, including MCContext.
- MachineModuleInfo *MMI =
- new MachineModuleInfo(*TM->getMCAsmInfo(), *TM->getRegisterInfo(),
- &TM->getTargetLowering()->getObjFileLowering());
+ MachineModuleInfo *MMI = new MachineModuleInfo(
+ *TM->getMCAsmInfo(), *TM->getMCRegisterInfo(), TM->getObjFileLowering());
PM.add(MMI);
// Set up a MachineFunction for the rest of CodeGen to work on.
return &MMI->getContext();
}
-bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
- formatted_raw_ostream &Out,
- CodeGenFileType FileType,
- bool DisableVerify,
- AnalysisID StartAfter,
- AnalysisID StopAfter) {
- // Passes to handle jumptable function annotations. These can't be handled at
- // JIT time, so we don't add them directly to addPassesToGenerateCode.
- PM.add(createJumpInstrTableInfoPass());
- PM.add(createJumpInstrTablesPass(Options.JTType));
-
+bool LLVMTargetMachine::addPassesToEmitFile(
+ PassManagerBase &PM, raw_pwrite_stream &Out, CodeGenFileType FileType,
+ bool DisableVerify, AnalysisID StartAfter, AnalysisID StopAfter) {
// Add common CodeGen passes.
MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify,
StartAfter, StopAfter);
if (Options.MCOptions.MCSaveTempLabels)
Context->setAllowTemporaryLabels(false);
+ const MCSubtargetInfo &STI = *getMCSubtargetInfo();
const MCAsmInfo &MAI = *getMCAsmInfo();
- const MCRegisterInfo &MRI = *getRegisterInfo();
- const MCInstrInfo &MII = *getInstrInfo();
- const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
+ const MCRegisterInfo &MRI = *getMCRegisterInfo();
+ const MCInstrInfo &MII = *getMCInstrInfo();
+
std::unique_ptr<MCStreamer> AsmStreamer;
switch (FileType) {
case CGFT_AssemblyFile: {
- MCInstPrinter *InstPrinter =
- getTarget().createMCInstPrinter(MAI.getAssemblerDialect(), MAI,
- MII, MRI, STI);
+ MCInstPrinter *InstPrinter = getTarget().createMCInstPrinter(
+ Triple(getTargetTriple()), MAI.getAssemblerDialect(), MAI, MII, MRI);
// Create a code emitter if asked to show the encoding.
MCCodeEmitter *MCE = nullptr;
if (Options.MCOptions.ShowMCEncoding)
- MCE = getTarget().createMCCodeEmitter(MII, MRI, STI, *Context);
+ MCE = getTarget().createMCCodeEmitter(MII, MRI, *Context);
MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
TargetCPU);
+ auto FOut = llvm::make_unique<formatted_raw_ostream>(Out);
MCStreamer *S = getTarget().createAsmStreamer(
- *Context, Out, Options.MCOptions.AsmVerbose,
+ *Context, std::move(FOut), Options.MCOptions.AsmVerbose,
Options.MCOptions.MCUseDwarfDirectory, InstPrinter, MCE, MAB,
Options.MCOptions.ShowMCInst);
AsmStreamer.reset(S);
case CGFT_ObjectFile: {
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
- MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(MII, MRI, STI,
- *Context);
+ MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(MII, MRI, *Context);
MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
TargetCPU);
if (!MCE || !MAB)
return true;
+ Triple T(getTargetTriple());
AsmStreamer.reset(getTarget().createMCObjectStreamer(
- getTargetTriple(), *Context, *MAB, Out, MCE, STI,
- Options.MCOptions.MCRelaxAll, Options.MCOptions.MCNoExecStack));
+ T, *Context, *MAB, Out, MCE, STI, Options.MCOptions.MCRelaxAll,
+ /*DWARFMustBeAtTheEnd*/ true));
break;
}
case CGFT_Null:
}
// Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
- FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
+ FunctionPass *Printer =
+ getTarget().createAsmPrinter(*this, std::move(AsmStreamer));
if (!Printer)
return true;
- // If successful, createAsmPrinter took ownership of AsmStreamer.
- AsmStreamer.release();
-
PM.add(Printer);
return false;
}
-/// addPassesToEmitMachineCode - Add passes to the specified pass manager to
-/// get machine code emitted. This uses a JITCodeEmitter object to handle
-/// actually outputting the machine code and resolving things like the address
-/// of functions. This method should return true if machine code emission is
-/// not supported.
-///
-bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
- JITCodeEmitter &JCE,
- bool DisableVerify) {
- // Add common CodeGen passes.
- MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify, nullptr,
- nullptr);
- if (!Context)
- return true;
-
- addCodeEmitter(PM, JCE);
-
- return false; // success!
-}
-
/// addPassesToEmitMC - Add passes to the specified pass manager to get
/// machine code emitted with the MCJIT. This method returns true if machine
/// code is not supported. It fills the MCContext Ctx pointer which can be
/// used to build custom MCStreamer.
///
-bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
- MCContext *&Ctx,
- raw_ostream &Out,
+bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM, MCContext *&Ctx,
+ raw_pwrite_stream &Out,
bool DisableVerify) {
// Add common CodeGen passes.
Ctx = addPassesToGenerateCode(this, PM, DisableVerify, nullptr, nullptr);
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
- const MCRegisterInfo &MRI = *getRegisterInfo();
- const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
- MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(*getInstrInfo(), MRI,
- STI, *Ctx);
+ const MCRegisterInfo &MRI = *getMCRegisterInfo();
+ MCCodeEmitter *MCE =
+ getTarget().createMCCodeEmitter(*getMCInstrInfo(), MRI, *Ctx);
MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
TargetCPU);
if (!MCE || !MAB)
return true;
- std::unique_ptr<MCStreamer> AsmStreamer;
- AsmStreamer.reset(getTarget().createMCObjectStreamer(
- getTargetTriple(), *Ctx, *MAB, Out, MCE, STI,
- Options.MCOptions.MCRelaxAll, Options.MCOptions.MCNoExecStack));
+ Triple T(getTargetTriple());
+ const MCSubtargetInfo &STI = *getMCSubtargetInfo();
+ std::unique_ptr<MCStreamer> AsmStreamer(getTarget().createMCObjectStreamer(
+ T, *Ctx, *MAB, Out, MCE, STI, Options.MCOptions.MCRelaxAll,
+ /*DWARFMustBeAtTheEnd*/ true));
// Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
- FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
+ FunctionPass *Printer =
+ getTarget().createAsmPrinter(*this, std::move(AsmStreamer));
if (!Printer)
return true;
- // If successful, createAsmPrinter took ownership of AsmStreamer.
- AsmStreamer.release();
-
PM.add(Printer);
return false; // success!