[llvm] r232658 - Add a default implementation of createObjectStreamer.

Justin Bogner mail at justinbogner.com
Wed Mar 18 15:23:05 PDT 2015


Rafael Espindola <rafael.espindola at gmail.com> writes:
> Author: rafael
> Date: Wed Mar 18 14:08:20 2015
> New Revision: 232658
>
> URL: http://llvm.org/viewvc/llvm-project?rev=232658&view=rev
> Log:
> Add a default implementation of createObjectStreamer.
>
> This removes duplicated code from backends that don't need to do anything
> fancy.

Some tests seem to failing after this change:

http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_check/6469/

> Modified:
>     llvm/trunk/include/llvm/Support/TargetRegistry.h
>     llvm/trunk/lib/MC/MCObjectStreamer.cpp
>     llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp
>     llvm/trunk/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.cpp
>     llvm/trunk/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
>
> Modified: llvm/trunk/include/llvm/Support/TargetRegistry.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/TargetRegistry.h?rev=232658&r1=232657&r2=232658&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/Support/TargetRegistry.h (original)
> +++ llvm/trunk/include/llvm/Support/TargetRegistry.h Wed Mar 18 14:08:20 2015
> @@ -58,6 +58,10 @@ namespace llvm {
>                                  bool isVerboseAsm, bool useDwarfDirectory,
>                                  MCInstPrinter *InstPrint, MCCodeEmitter *CE,
>                                  MCAsmBackend *TAB, bool ShowInst);
> +  MCStreamer *createObjectStreamer(const Triple &T, MCContext &Ctx,
> +                                   MCAsmBackend &TAB, raw_ostream &OS,
> +                                   MCCodeEmitter *Emitter,
> +                                   const MCSubtargetInfo &STI, bool RelaxAll);
>  
>    MCRelocationInfo *createMCRelocationInfo(StringRef TT, MCContext &Ctx);
>  
> @@ -419,7 +423,8 @@ namespace llvm {
>                                         const MCSubtargetInfo &STI,
>                                         bool RelaxAll) const {
>        if (!MCObjectStreamerCtorFn)
> -        return nullptr;
> +        return llvm::createObjectStreamer(T, Ctx, TAB, OS, Emitter, STI,
> +                                          RelaxAll);
>        return MCObjectStreamerCtorFn(T, Ctx, TAB, OS, Emitter, STI, RelaxAll);
>      }
>  
>
> Modified: llvm/trunk/lib/MC/MCObjectStreamer.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCObjectStreamer.cpp?rev=232658&r1=232657&r2=232658&view=diff
> ==============================================================================
> --- llvm/trunk/lib/MC/MCObjectStreamer.cpp (original)
> +++ llvm/trunk/lib/MC/MCObjectStreamer.cpp Wed Mar 18 14:08:20 2015
> @@ -20,6 +20,7 @@
>  #include "llvm/MC/MCSection.h"
>  #include "llvm/MC/MCSymbol.h"
>  #include "llvm/Support/ErrorHandling.h"
> +#include "llvm/Support/TargetRegistry.h"
>  using namespace llvm;
>  
>  MCObjectStreamer::MCObjectStreamer(MCContext &Context, MCAsmBackend &TAB,
> @@ -422,3 +423,16 @@ void MCObjectStreamer::FinishImpl() {
>    flushPendingLabels(nullptr);
>    getAssembler().Finish();
>  }
> +
> +MCStreamer *llvm::createObjectStreamer(const Triple &T, MCContext &Ctx,
> +                                       MCAsmBackend &TAB, raw_ostream &OS,
> +                                       MCCodeEmitter *Emitter,
> +                                       const MCSubtargetInfo &STI,
> +                                       bool RelaxAll) {
> +  switch (T.getObjectFormat()) {
> +  default:
> +    return nullptr;
> +  case Triple::ELF:
> +    return createELFStreamer(Ctx, TAB, OS, Emitter, RelaxAll);
> +  }
> +}
>
> Modified: llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp?rev=232658&r1=232657&r2=232658&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp (original)
> +++ llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp Wed Mar 18 14:08:20 2015
> @@ -47,15 +47,6 @@ static MCRegisterInfo *createHexagonMCRe
>    return X;
>  }
>  
> -static MCStreamer *
> -createHexagonELFStreamer(MCContext &Context, MCAsmBackend &MAB,
> -                         raw_ostream &OS, MCCodeEmitter *CE,
> -                         bool RelaxAll) {
> -  MCELFStreamer *ES = new MCELFStreamer(Context, MAB, OS, CE);
> -  return ES;
> -}
> -
> -
>  static MCSubtargetInfo *
>  createHexagonMCSubtargetInfo(StringRef TT, StringRef CPU, StringRef FS) {
>    MCSubtargetInfo *X = new MCSubtargetInfo();
> @@ -75,16 +66,6 @@ static MCAsmInfo *createHexagonMCAsmInfo
>    return MAI;
>  }
>  
> -static MCStreamer *createMCStreamer(const Triple &T, MCContext &Context,
> -                                    MCAsmBackend &MAB, raw_ostream &OS,
> -                                    MCCodeEmitter *Emitter,
> -                                    MCSubtargetInfo const &STI, bool RelaxAll) {
> -  MCStreamer *ES = createHexagonELFStreamer(Context, MAB, OS, Emitter, RelaxAll);
> -  new MCTargetStreamer(*ES);
> -  return ES;
> -}
> -
> -
>  static MCCodeGenInfo *createHexagonMCCodeGenInfo(StringRef TT, Reloc::Model RM,
>                                                   CodeModel::Model CM,
>                                                   CodeGenOpt::Level OL) {
> @@ -135,7 +116,4 @@ extern "C" void LLVMInitializeHexagonTar
>    // Register the asm backend
>    TargetRegistry::RegisterMCAsmBackend(TheHexagonTarget,
>                                         createHexagonAsmBackend);
> -
> -  // Register the obj streamer
> -  TargetRegistry::RegisterMCObjectStreamer(TheHexagonTarget, createMCStreamer);
>  }
>
> Modified: llvm/trunk/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.cpp?rev=232658&r1=232657&r2=232658&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.cpp (original)
> +++ llvm/trunk/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.cpp Wed Mar 18 14:08:20 2015
> @@ -73,13 +73,6 @@ static MCInstPrinter *createAMDGPUMCInst
>    return new AMDGPUInstPrinter(MAI, MII, MRI);
>  }
>  
> -static MCStreamer *createMCStreamer(const Triple &T, MCContext &Ctx,
> -                                    MCAsmBackend &MAB, raw_ostream &OS,
> -                                    MCCodeEmitter *Emitter,
> -                                    const MCSubtargetInfo &STI, bool RelaxAll) {
> -  return createELFStreamer(Ctx, MAB, OS, Emitter, false);
> -}
> -
>  extern "C" void LLVMInitializeR600TargetMC() {
>  
>    RegisterMCAsmInfo<AMDGPUMCAsmInfo> Y(TheAMDGPUTarget);
> @@ -105,7 +98,4 @@ extern "C" void LLVMInitializeR600Target
>  
>    TargetRegistry::RegisterMCAsmBackend(TheAMDGPUTarget, createAMDGPUAsmBackend);
>    TargetRegistry::RegisterMCAsmBackend(TheGCNTarget, createAMDGPUAsmBackend);
> -
> -  TargetRegistry::RegisterMCObjectStreamer(TheAMDGPUTarget, createMCStreamer);
> -  TargetRegistry::RegisterMCObjectStreamer(TheGCNTarget, createMCStreamer);
>  }
>
> Modified: llvm/trunk/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp?rev=232658&r1=232657&r2=232658&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp (original)
> +++ llvm/trunk/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp Wed Mar 18 14:08:20 2015
> @@ -181,12 +181,6 @@ static MCInstPrinter *createSystemZMCIns
>    return new SystemZInstPrinter(MAI, MII, MRI);
>  }
>  
> -static MCStreamer *createSystemZMCObjectStreamer(
> -    const Triple &T, MCContext &Ctx, MCAsmBackend &MAB, raw_ostream &OS,
> -    MCCodeEmitter *Emitter, const MCSubtargetInfo &STI, bool RelaxAll) {
> -  return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
> -}
> -
>  extern "C" void LLVMInitializeSystemZTargetMC() {
>    // Register the MCAsmInfo.
>    TargetRegistry::RegisterMCAsmInfo(TheSystemZTarget,
> @@ -219,8 +213,4 @@ extern "C" void LLVMInitializeSystemZTar
>    // Register the MCInstPrinter.
>    TargetRegistry::RegisterMCInstPrinter(TheSystemZTarget,
>                                          createSystemZMCInstPrinter);
> -
> -  // Register the MCObjectStreamer;
> -  TargetRegistry::RegisterMCObjectStreamer(TheSystemZTarget,
> -                                           createSystemZMCObjectStreamer);
>  }
>
>
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