38 cl::desc(
"Enable generating trap for unreachable"));
42 cl::desc(
"Do not emit a trap instruction for 'unreachable' IR instructions "
43 "after noreturn calls, even if --trap-unreachable is set."));
47 assert(
MRI &&
"Unable to create reg info");
49 assert(
MII &&
"Unable to create instruction info");
56 assert(
STI &&
"Unable to create subtarget info");
64 assert(TmpAsmInfo &&
"MCAsmInfo not initialized. "
65 "Make sure you include the correct TargetSelect.h"
66 "and that InitializeAllTargetMCs() is being invoked!");
139 if (
auto Err = MCStreamerOrErr.
takeError())
156 Context.setAllowTemporaryLabels(
false);
163 std::unique_ptr<MCStreamer> AsmStreamer;
171 std::unique_ptr<MCCodeEmitter> MCE;
175 bool UseDwarfDirectory =
false;
178 UseDwarfDirectory =
false;
181 UseDwarfDirectory =
true;
188 std::unique_ptr<MCAsmBackend> MAB(
190 auto FOut = std::make_unique<formatted_raw_ostream>(Out);
193 UseDwarfDirectory, InstPrinter, std::move(MCE), std::move(MAB),
195 AsmStreamer.
reset(S);
203 return make_error<StringError>(
"createMCCodeEmitter failed",
208 return make_error<StringError>(
"createMCAsmBackend failed",
212 AsmStreamer.reset(
getTarget().createMCObjectStreamer(
213 T,
Context, std::unique_ptr<MCAsmBackend>(MAB),
228 return std::move(AsmStreamer);
263 bool DisableVerify) {
271 "Cannot emit MC with limited codegen pipeline");
284 std::unique_ptr<MCCodeEmitter> MCE(
286 std::unique_ptr<MCAsmBackend> MAB(
292 std::unique_ptr<MCStreamer> AsmStreamer(
getTarget().createMCObjectStreamer(
293 T, *Ctx, std::move(MAB), MAB->createObjectWriter(Out), std::move(MCE),
This file provides a helper that implements much of the TTI interface in terms of the target-independ...
dxil pretty DXIL Metadata Pretty Printer
static TargetPassConfig * addPassesToGenerateCode(LLVMTargetMachine &TM, PassManagerBase &PM, bool DisableVerify, MachineModuleInfoWrapperPass &MMIWP)
addPassesToX helper drives creation and initialization of TargetPassConfig.
static cl::opt< bool > EnableTrapUnreachable("trap-unreachable", cl::Hidden, cl::desc("Enable generating trap for unreachable"))
static cl::opt< bool > EnableNoTrapAfterNoreturn("no-trap-after-noreturn", cl::Hidden, cl::desc("Do not emit a trap instruction for 'unreachable' IR instructions " "after noreturn calls, even if --trap-unreachable is set."))
const char LLVMTargetMachineRef TM
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
Target-Independent Code Generator Pass Configuration Options pass.
Concrete BasicTTIImpl that can be used if no further customization is needed.
Tagged union holding either a T or a Error.
Error takeError()
Take ownership of the stored error.
FunctionPass class - This class is used to implement most global optimizations.
This class describes a target machine that is implemented with the LLVM target-independent code gener...
bool addAsmPrinter(PassManagerBase &PM, raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut, CodeGenFileType FileType, MCContext &Context)
Adds an AsmPrinter pass to the pipeline that prints assembly or machine code from the MI representati...
bool addPassesToEmitFile(PassManagerBase &PM, raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut, CodeGenFileType FileType, bool DisableVerify=true, MachineModuleInfoWrapperPass *MMIWP=nullptr) override
Add passes to the specified pass manager to get the specified file emitted.
bool addPassesToEmitMC(PassManagerBase &PM, MCContext *&Ctx, raw_pwrite_stream &Out, bool DisableVerify=true) override
Add passes to the specified pass manager to get machine code emitted with the MCJIT.
TargetTransformInfo getTargetTransformInfo(const Function &F) const override
Get a TargetTransformInfo implementation for the target.
LLVMTargetMachine(const Target &T, StringRef DataLayoutString, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM, CodeGenOptLevel OL)
Expected< std::unique_ptr< MCStreamer > > createMCStreamer(raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut, CodeGenFileType FileType, MCContext &Ctx)
Generic interface to target specific assembler backends.
std::unique_ptr< MCObjectWriter > createObjectWriter(raw_pwrite_stream &OS) const
Create a new MCObjectWriter instance for use by the assembler backend to emit the final object file.
std::unique_ptr< MCObjectWriter > createDwoObjectWriter(raw_pwrite_stream &OS, raw_pwrite_stream &DwoOS) const
Create an MCObjectWriter that writes two object files: a .o file which is linked into the final progr...
This class is intended to be used as a base class for asm properties and features specific to the tar...
void setCompressDebugSections(DebugCompressionType CompressDebugSections)
void setRelaxELFRelocations(bool V)
unsigned getAssemblerDialect() const
virtual void setUseIntegratedAssembler(bool Value)
Set whether assembly (inline or otherwise) should be parsed.
virtual void setPreserveAsmComments(bool Value)
Set whether assembly (inline or otherwise) should be parsed.
virtual void setParseInlineAsmUsingAsmParser(bool Value)
Set whether target want to use AsmParser to parse inlineasm.
void setBinutilsVersion(std::pair< int, int > Value)
void setExceptionsType(ExceptionHandling EH)
bool enableDwarfFileDirectoryDefault() const
MCCodeEmitter - Generic instruction encoding interface.
Context object for machine code objects.
void setAllowTemporaryLabels(bool Value)
This is an instance of a target assembly language printer that converts an MCInst to valid target ass...
Interface to description of machine instruction set.
MCRegisterInfo base class - We assume that the target defines a static array of MCRegisterDesc object...
Streaming machine code generation interface.
virtual void reset()
State management.
Generic base class for all target subtargets.
bool PreserveAsmComments
Preserve Comments in Assembly.
DwarfDirectory MCUseDwarfDirectory
EmitDwarfUnwindType EmitDwarfUnwind
bool MCIncrementalLinkerCompatible
MachineModuleInfo & getMMI()
const MCContext & getContext() const
StringRef - Represent a constant reference to a string, i.e.
Primary interface to the complete machine description for the target machine.
std::unique_ptr< const MCAsmInfo > AsmInfo
Contains target specific asm information.
const Triple & getTargetTriple() const
const MCSubtargetInfo * getMCSubtargetInfo() const
std::unique_ptr< const MCInstrInfo > MII
StringRef getTargetFeatureString() const
StringRef getTargetCPU() const
const MCInstrInfo * getMCInstrInfo() const
std::unique_ptr< const MCSubtargetInfo > STI
const Target & getTarget() const
const Target & TheTarget
The Target that this machine was created for.
const MCRegisterInfo * getMCRegisterInfo() const
std::unique_ptr< const MCRegisterInfo > MRI
const MCAsmInfo * getMCAsmInfo() const
Return target specific asm information.
MCTargetOptions MCOptions
Machine level options.
std::pair< int, int > BinutilsVersion
If greater than 0, override the default value of MCAsmInfo::BinutilsVersion.
DebugCompressionType CompressDebugSections
Compress DWARF debug sections.
unsigned RelaxELFRelocations
unsigned NoTrapAfterNoreturn
Do not emit a trap instruction for 'unreachable' IR instructions behind noreturn calls,...
unsigned TrapUnreachable
Emit target-specific trap instruction for 'unreachable' IR instructions.
unsigned DisableIntegratedAS
Disable the integrated assembler.
ExceptionHandling ExceptionModel
What exception model to use.
Target-Independent Code Generator Pass Configuration Options.
virtual void addMachinePasses()
Add the complete, standard set of LLVM CodeGen passes.
void setDisableVerify(bool Disable)
static bool willCompleteCodeGenPipeline()
Returns true if none of the -stop-before and -stop-after options is set.
bool addISelPasses()
High level function that adds all passes necessary to go from llvm IR representation to the MI repres...
Target - Wrapper for Target specific information.
MCCodeEmitter * createMCCodeEmitter(const MCInstrInfo &II, MCContext &Ctx) const
createMCCodeEmitter - Create a target specific code emitter.
MCSubtargetInfo * createMCSubtargetInfo(StringRef TheTriple, StringRef CPU, StringRef Features) const
createMCSubtargetInfo - Create a MCSubtargetInfo implementation.
MCStreamer * createAsmStreamer(MCContext &Ctx, std::unique_ptr< formatted_raw_ostream > OS, bool IsVerboseAsm, bool UseDwarfDirectory, MCInstPrinter *InstPrint, std::unique_ptr< MCCodeEmitter > &&CE, std::unique_ptr< MCAsmBackend > &&TAB, bool ShowInst) const
MCAsmBackend * createMCAsmBackend(const MCSubtargetInfo &STI, const MCRegisterInfo &MRI, const MCTargetOptions &Options) const
createMCAsmBackend - Create a target specific assembly parser.
MCRegisterInfo * createMCRegInfo(StringRef TT) const
createMCRegInfo - Create a MCRegisterInfo implementation.
MCAsmInfo * createMCAsmInfo(const MCRegisterInfo &MRI, StringRef TheTriple, const MCTargetOptions &Options) const
createMCAsmInfo - Create a MCAsmInfo implementation for the specified target triple.
MCInstPrinter * createMCInstPrinter(const Triple &T, unsigned SyntaxVariant, const MCAsmInfo &MAI, const MCInstrInfo &MII, const MCRegisterInfo &MRI) const
AsmPrinter * createAsmPrinter(TargetMachine &TM, std::unique_ptr< MCStreamer > &&Streamer) const
createAsmPrinter - Create a target specific assembly printer pass.
MCInstrInfo * createMCInstrInfo() const
createMCInstrInfo - Create a MCInstrInfo implementation.
Triple - Helper class for working with autoconf configuration names.
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
virtual void add(Pass *P)=0
Add a pass to the queue of passes to run.
An abstract base class for streams implementations that also support a pwrite operation.
This is an optimization pass for GlobalISel generic memory operations.
MachineFunctionPass * createPrintMIRPass(raw_ostream &OS)
MIRPrinting pass - this pass prints out the LLVM IR into the given stream using the MIR serialization...
std::error_code inconvertibleErrorCode()
The value returned by this function can be returned from convertToErrorCode for Error values where no...
@ None
No exception support.
MCStreamer * createNullStreamer(MCContext &Ctx)
Create a dummy machine code streamer, which does nothing.
CodeGenFileType
These enums are meant to be passed into addPassesToEmitFile to indicate what type of file to emit,...
CodeGenOptLevel
Code generation optimization level.
FunctionPass * createFreeMachineFunctionPass()
This pass frees the memory occupied by the MachineFunction.