[llvm] r310115 - [GlobalISel] Remove the GISelAccessor API.

Quentin Colombet via llvm-commits llvm-commits at lists.llvm.org
Mon Aug 7 13:44:51 PDT 2017


Thanks for the report Bill.

Looking.

> On Aug 7, 2017, at 1:37 PM, Bill Seurer <seurer at linux.vnet.ibm.com> wrote:
> 
> Starting with this revision I see the following failure when running a check-all if -DBUILD_SHARED_LIBS=ON is used on cmake:
> 
> [36/56] Linking CXX executable unittests/Target/AArch64/AArch64Tests
> FAILED: unittests/Target/AArch64/AArch64Tests
> : && /home/seurer/gcc/install/gcc-7.1.0/bin/g++   -fPIC -fvisibility-inlines-hidden -Werror=date-time -std=c++11 -Wall -W -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wno-maybe-uninitialized -Wdelete-non-virtual-dtor -Wno-comment -ffunction-sections -fdata-sections -O3 -L/home/seurer/gcc/install/gcc-7.1.0/lib64 -Wl,-allow-shlib-undefined  -Wl,-O3 -Wl,--gc-sections unittests/Target/AArch64/CMakeFiles/AArch64Tests.dir/InstSizes.cpp.o  -o unittests/Target/AArch64/AArch64Tests lib/libLLVMAArch64CodeGen.so.6.0.0svn lib/libLLVMAArch64Desc.so.6.0.0svn lib/libLLVMAArch64Info.so.6.0.0svn lib/libLLVMCodeGen.so.6.0.0svn lib/libLLVMCore.so.6.0.0svn lib/libLLVMMC.so.6.0.0svn lib/libLLVMMIRParser.so.6.0.0svn lib/libLLVMSelectionDAG.so.6.0.0svn lib/libLLVMTarget.so.6.0.0svn lib/libLLVMSupport.so.6.0.0svn -lpthread lib/libgtest_main.so.6.0.0svn lib/libgtest.so.6.0.0svn -lpthread -Wl,-rpath,/home/seurer/llvm/build/llvm-test3/lib && :
> unittests/Target/AArch64/CMakeFiles/AArch64Tests.dir/InstSizes.cpp.o:(.toc+0x0): undefined reference to `vtable for llvm::LegalizerInfo'
> unittests/Target/AArch64/CMakeFiles/AArch64Tests.dir/InstSizes.cpp.o:(.toc+0x8): undefined reference to `vtable for llvm::RegisterBankInfo'
> collect2: error: ld returned 1 exit status
> 
> 
> You can see the failure here on the buildbots (look at stdio):
> 
> http://lab.llvm.org:8011/builders/clang-ppc64le-linux-multistage/builds/3428
> 
> 
> 
> 
> On 08/04/2017 03:15 PM, Quentin Colombet via llvm-commits wrote:
>> Author: qcolombet
>> Date: Fri Aug  4 13:15:46 2017
>> New Revision: 310115
>> URL: http://llvm.org/viewvc/llvm-project?rev=310115&view=rev
>> Log:
>> [GlobalISel] Remove the GISelAccessor API.
>> Its sole purpose was to avoid spreading around ifdefs related to
>> building global-isel. Since r309990, GlobalISel is not optional anymore,
>> thus, we can get rid of this mechanism all together.
>> NFC.
>> Removed:
>>     llvm/trunk/include/llvm/CodeGen/GlobalISel/GISelAccessor.h
>> Modified:
>>     llvm/trunk/docs/GlobalISel.rst
>>     llvm/trunk/lib/Target/AArch64/AArch64Subtarget.cpp
>>     llvm/trunk/lib/Target/AArch64/AArch64Subtarget.h
>>     llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.cpp
>>     llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.h
>>     llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp
>>     llvm/trunk/lib/Target/ARM/ARMSubtarget.h
>>     llvm/trunk/lib/Target/X86/X86Subtarget.cpp
>>     llvm/trunk/lib/Target/X86/X86Subtarget.h
>> Modified: llvm/trunk/docs/GlobalISel.rst
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/GlobalISel.rst?rev=310115&r1=310114&r2=310115&view=diff
>> ==============================================================================
>> --- llvm/trunk/docs/GlobalISel.rst (original)
>> +++ llvm/trunk/docs/GlobalISel.rst Fri Aug  4 13:15:46 2017
>> @@ -633,5 +633,3 @@ Additionally:
>>    * ``TargetPassConfig`` --- create the passes constituting the pipeline,
>>    including additional passes not included in the :ref:`pipeline`.
>> -* ``GISelAccessor`` --- setup the various subtarget-provided classes, with a
>> -  graceful fallback to no-op when GlobalISel isn't enabled.
>> Removed: llvm/trunk/include/llvm/CodeGen/GlobalISel/GISelAccessor.h
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/GlobalISel/GISelAccessor.h?rev=310114&view=auto
>> ==============================================================================
>> --- llvm/trunk/include/llvm/CodeGen/GlobalISel/GISelAccessor.h (original)
>> +++ llvm/trunk/include/llvm/CodeGen/GlobalISel/GISelAccessor.h (removed)
>> @@ -1,39 +0,0 @@
>> -//===-- GISelAccessor.h - GISel Accessor ------------------------*- C++ -*-===//
>> -//
>> -//                     The LLVM Compiler Infrastructure
>> -//
>> -// This file is distributed under the University of Illinois Open Source
>> -// License. See LICENSE.TXT for details.
>> -//
>> -//===----------------------------------------------------------------------===//
>> -//
>> -/// This file declares the API to access the various APIs related
>> -/// to GlobalISel.
>> -//
>> -//===----------------------------------------------------------------------===/
>> -
>> -#ifndef LLVM_CODEGEN_GLOBALISEL_GISELACCESSOR_H
>> -#define LLVM_CODEGEN_GLOBALISEL_GISELACCESSOR_H
>> -
>> -namespace llvm {
>> -class CallLowering;
>> -class InstructionSelector;
>> -class LegalizerInfo;
>> -class RegisterBankInfo;
>> -
>> -/// The goal of this helper class is to gather the accessor to all
>> -/// the APIs related to GlobalISel.
>> -/// It should be derived to feature an actual accessor to the GISel APIs.
>> -/// The reason why this is not simply done into the subtarget is to avoid
>> -/// spreading ifdefs around.
>> -struct GISelAccessor {
>> -  virtual ~GISelAccessor() {}
>> -  virtual const CallLowering *getCallLowering() const { return nullptr;}
>> -  virtual const InstructionSelector *getInstructionSelector() const {
>> -    return nullptr;
>> -  }
>> -  virtual const LegalizerInfo *getLegalizerInfo() const { return nullptr; }
>> -  virtual const RegisterBankInfo *getRegBankInfo() const { return nullptr;}
>> -};
>> -} // End namespace llvm;
>> -#endif
>> Modified: llvm/trunk/lib/Target/AArch64/AArch64Subtarget.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64Subtarget.cpp?rev=310115&r1=310114&r2=310115&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/AArch64/AArch64Subtarget.cpp (original)
>> +++ llvm/trunk/lib/Target/AArch64/AArch64Subtarget.cpp Fri Aug  4 13:15:46 2017
>> @@ -21,7 +21,6 @@
>>  #include "AArch64CallLowering.h"
>>  #include "AArch64LegalizerInfo.h"
>>  #include "AArch64RegisterBankInfo.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"
>> @@ -141,76 +140,42 @@ void AArch64Subtarget::initializePropert
>>    }
>>  }
>>  -namespace {
>> -
>> -struct AArch64GISelActualAccessor : public GISelAccessor {
>> -  std::unique_ptr<CallLowering> CallLoweringInfo;
>> -  std::unique_ptr<InstructionSelector> InstSelector;
>> -  std::unique_ptr<LegalizerInfo> Legalizer;
>> -  std::unique_ptr<RegisterBankInfo> RegBankInfo;
>> -
>> -  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
>> -
>>  AArch64Subtarget::AArch64Subtarget(const Triple &TT, const std::string &CPU,
>>                                     const std::string &FS,
>>                                     const TargetMachine &TM, bool LittleEndian)
>>      : AArch64GenSubtargetInfo(TT, CPU, FS),
>> -      ReserveX18(TT.isOSDarwin() || TT.isOSWindows()),
>> -      IsLittle(LittleEndian), TargetTriple(TT), FrameLowering(),
>> +      ReserveX18(TT.isOSDarwin() || TT.isOSWindows()), IsLittle(LittleEndian),
>> +      TargetTriple(TT), FrameLowering(),
>>        InstrInfo(initializeSubtargetDependencies(FS, CPU)), TSInfo(),
>> -      TLInfo(TM, *this), GISel() {
>> -  AArch64GISelActualAccessor *AArch64GISel = new AArch64GISelActualAccessor();
>> -  AArch64GISel->CallLoweringInfo.reset(
>> -      new AArch64CallLowering(*getTargetLowering()));
>> -  AArch64GISel->Legalizer.reset(new AArch64LegalizerInfo());
>> +      TLInfo(TM, *this) {
>> +  CallLoweringInfo.reset(new AArch64CallLowering(*getTargetLowering()));
>> +  Legalizer.reset(new AArch64LegalizerInfo());
>>      auto *RBI = new AArch64RegisterBankInfo(*getRegisterInfo());
>>      // FIXME: At this point, we can't rely on Subtarget having RBI.
>>    // It's awkward to mix passing RBI and the Subtarget; should we pass
>>    // TII/TRI as well?
>> -  AArch64GISel->InstSelector.reset(createAArch64InstructionSelector(
>> +  InstSelector.reset(createAArch64InstructionSelector(
>>        *static_cast<const AArch64TargetMachine *>(&TM), *this, *RBI));
>>  -  AArch64GISel->RegBankInfo.reset(RBI);
>> -  setGISelAccessor(*AArch64GISel);
>> +  RegBankInfo.reset(RBI);
>>  }
>>    const CallLowering *AArch64Subtarget::getCallLowering() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getCallLowering();
>> +  return CallLoweringInfo.get();
>>  }
>>    const InstructionSelector *AArch64Subtarget::getInstructionSelector() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getInstructionSelector();
>> +  return InstSelector.get();
>>  }
>>    const LegalizerInfo *AArch64Subtarget::getLegalizerInfo() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getLegalizerInfo();
>> +  return Legalizer.get();
>>  }
>>    const RegisterBankInfo *AArch64Subtarget::getRegBankInfo() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getRegBankInfo();
>> +  return RegBankInfo.get();
>>  }
>>    /// Find the target operand flags that describe how a global value should be
>> Modified: llvm/trunk/lib/Target/AArch64/AArch64Subtarget.h
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64Subtarget.h?rev=310115&r1=310114&r2=310115&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/AArch64/AArch64Subtarget.h (original)
>> +++ llvm/trunk/lib/Target/AArch64/AArch64Subtarget.h Fri Aug  4 13:15:46 2017
>> @@ -19,7 +19,10 @@
>>  #include "AArch64InstrInfo.h"
>>  #include "AArch64RegisterInfo.h"
>>  #include "AArch64SelectionDAGInfo.h"
>> -#include "llvm/CodeGen/GlobalISel/GISelAccessor.h"
>> +#include "llvm/CodeGen/GlobalISel/CallLowering.h"
>> +#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
>> +#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
>> +#include "llvm/CodeGen/GlobalISel/RegisterBankInfo.h"
>>  #include "llvm/IR/DataLayout.h"
>>  #include "llvm/Target/TargetSubtargetInfo.h"
>>  #include <string>
>> @@ -124,10 +127,12 @@ protected:
>>    AArch64InstrInfo InstrInfo;
>>    AArch64SelectionDAGInfo TSInfo;
>>    AArch64TargetLowering TLInfo;
>> -  /// Gather the accessor points to GlobalISel-related APIs.
>> -  /// This is used to avoid ifndefs spreading around while GISel is
>> -  /// an optional library.
>> -  std::unique_ptr<GISelAccessor> GISel;
>> +
>> +  /// GlobalISel related APIs.
>> +  std::unique_ptr<CallLowering> CallLoweringInfo;
>> +  std::unique_ptr<InstructionSelector> InstSelector;
>> +  std::unique_ptr<LegalizerInfo> Legalizer;
>> +  std::unique_ptr<RegisterBankInfo> RegBankInfo;
>>    private:
>>    /// initializeSubtargetDependencies - Initializes using CPUString and the
>> @@ -146,11 +151,6 @@ public:
>>                     const std::string &FS, const TargetMachine &TM,
>>                     bool LittleEndian);
>>  -  /// This object will take onwership of \p GISelAccessor.
>> -  void setGISelAccessor(GISelAccessor &GISel) {
>> -    this->GISel.reset(&GISel);
>> -  }
>> -
>>    const AArch64SelectionDAGInfo *getSelectionDAGInfo() const override {
>>      return &TSInfo;
>>    }
>> Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.cpp?rev=310115&r1=310114&r2=310115&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.cpp (original)
>> +++ llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.cpp Fri Aug  4 13:15:46 2017
>> @@ -78,29 +78,6 @@ AMDGPUSubtarget::initializeSubtargetDepe
>>    return *this;
>>  }
>>  -namespace {
>> -
>> -struct SIGISelActualAccessor : public GISelAccessor {
>> -  std::unique_ptr<AMDGPUCallLowering> CallLoweringInfo;
>> -  std::unique_ptr<InstructionSelector> InstSelector;
>> -  std::unique_ptr<LegalizerInfo> Legalizer;
>> -  std::unique_ptr<RegisterBankInfo> RegBankInfo;
>> -  const AMDGPUCallLowering *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
>> -
>>  AMDGPUSubtarget::AMDGPUSubtarget(const Triple &TT, StringRef GPU, StringRef FS,
>>                                   const TargetMachine &TM)
>>    : AMDGPUGenSubtargetInfo(TT, GPU, FS),
>> @@ -354,14 +331,12 @@ SISubtarget::SISubtarget(const Triple &T
>>      : AMDGPUSubtarget(TT, GPU, FS, TM), InstrInfo(*this),
>>        FrameLowering(TargetFrameLowering::StackGrowsUp, getStackAlignment(), 0),
>>        TLInfo(TM, *this) {
>> -  SIGISelActualAccessor *GISel = new SIGISelActualAccessor();
>> -  GISel->CallLoweringInfo.reset(new AMDGPUCallLowering(*getTargetLowering()));
>> -  GISel->Legalizer.reset(new AMDGPULegalizerInfo());
>> -
>> -  GISel->RegBankInfo.reset(new AMDGPURegisterBankInfo(*getRegisterInfo()));
>> -  GISel->InstSelector.reset(new AMDGPUInstructionSelector(
>> -      *this, *static_cast<AMDGPURegisterBankInfo *>(GISel->RegBankInfo.get())));
>> -  setGISelAccessor(*GISel);
>> +  CallLoweringInfo.reset(new AMDGPUCallLowering(*getTargetLowering()));
>> +  Legalizer.reset(new AMDGPULegalizerInfo());
>> +
>> +  RegBankInfo.reset(new AMDGPURegisterBankInfo(*getRegisterInfo()));
>> +  InstSelector.reset(new AMDGPUInstructionSelector(
>> +      *this, *static_cast<AMDGPURegisterBankInfo *>(RegBankInfo.get())));
>>  }
>>    void SISubtarget::overrideSchedPolicy(MachineSchedPolicy &Policy,
>> Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.h
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.h?rev=310115&r1=310114&r2=310115&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.h (original)
>> +++ llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.h Fri Aug  4 13:15:46 2017
>> @@ -16,6 +16,7 @@
>>  #define LLVM_LIB_TARGET_AMDGPU_AMDGPUSUBTARGET_H
>>    #include "AMDGPU.h"
>> +#include "AMDGPUCallLowering.h"
>>  #include "R600FrameLowering.h"
>>  #include "R600ISelLowering.h"
>>  #include "R600InstrInfo.h"
>> @@ -25,7 +26,9 @@
>>  #include "SIMachineFunctionInfo.h"
>>  #include "Utils/AMDGPUBaseInfo.h"
>>  #include "llvm/ADT/Triple.h"
>> -#include "llvm/CodeGen/GlobalISel/GISelAccessor.h"
>> +#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
>> +#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
>> +#include "llvm/CodeGen/GlobalISel/RegisterBankInfo.h"
>>  #include "llvm/CodeGen/MachineFunction.h"
>>  #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
>>  #include "llvm/MC/MCInstrItineraries.h"
>> @@ -631,7 +634,12 @@ private:
>>    SIInstrInfo InstrInfo;
>>    SIFrameLowering FrameLowering;
>>    SITargetLowering TLInfo;
>> -  std::unique_ptr<GISelAccessor> GISel;
>> +
>> +  /// GlobalISel related APIs.
>> +  std::unique_ptr<AMDGPUCallLowering> CallLoweringInfo;
>> +  std::unique_ptr<InstructionSelector> InstSelector;
>> +  std::unique_ptr<LegalizerInfo> Legalizer;
>> +  std::unique_ptr<RegisterBankInfo> RegBankInfo;
>>    public:
>>    SISubtarget(const Triple &TT, StringRef CPU, StringRef FS,
>> @@ -650,33 +658,25 @@ public:
>>    }
>>      const CallLowering *getCallLowering() const override {
>> -    assert(GISel && "Access to GlobalISel APIs not set");
>> -    return GISel->getCallLowering();
>> +    return CallLoweringInfo.get();
>>    }
>>      const InstructionSelector *getInstructionSelector() const override {
>> -    assert(GISel && "Access to GlobalISel APIs not set");
>> -    return GISel->getInstructionSelector();
>> +    return InstSelector.get();
>>    }
>>      const LegalizerInfo *getLegalizerInfo() const override {
>> -    assert(GISel && "Access to GlobalISel APIs not set");
>> -    return GISel->getLegalizerInfo();
>> +    return Legalizer.get();
>>    }
>>      const RegisterBankInfo *getRegBankInfo() const override {
>> -    assert(GISel && "Access to GlobalISel APIs not set");
>> -    return GISel->getRegBankInfo();
>> +    return RegBankInfo.get();
>>    }
>>      const SIRegisterInfo *getRegisterInfo() const override {
>>      return &InstrInfo.getRegisterInfo();
>>    }
>>  -  void setGISelAccessor(GISelAccessor &GISel) {
>> -    this->GISel.reset(&GISel);
>> -  }
>> -
>>    // XXX - Why is this here if it isn't in the default pass set?
>>    bool enableEarlyIfConversion() const override {
>>      return true;
>> Modified: llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp?rev=310115&r1=310114&r2=310115&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp (original)
>> +++ llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp Fri Aug  4 13:15:46 2017
>> @@ -28,7 +28,6 @@
>>  #include "llvm/ADT/StringRef.h"
>>  #include "llvm/ADT/Triple.h"
>>  #include "llvm/ADT/Twine.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"
>> @@ -97,33 +96,6 @@ ARMFrameLowering *ARMSubtarget::initiali
>>    return new ARMFrameLowering(STI);
>>  }
>>  -namespace {
>> -
>> -struct ARMGISelActualAccessor : public GISelAccessor {
>> -  std::unique_ptr<CallLowering> CallLoweringInfo;
>> -  std::unique_ptr<InstructionSelector> InstSelector;
>> -  std::unique_ptr<LegalizerInfo> Legalizer;
>> -  std::unique_ptr<RegisterBankInfo> RegBankInfo;
>> -
>> -  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
>> -
>>  ARMSubtarget::ARMSubtarget(const Triple &TT, const std::string &CPU,
>>                             const std::string &FS,
>>                             const ARMBaseTargetMachine &TM, bool IsLittle)
>> @@ -141,40 +113,34 @@ ARMSubtarget::ARMSubtarget(const Triple
>>    assert((isThumb() || hasARMOps()) &&
>>           "Target must either be thumb or support ARM operations!");
>>  -  ARMGISelActualAccessor *GISel = new ARMGISelActualAccessor();
>> -  GISel->CallLoweringInfo.reset(new ARMCallLowering(*getTargetLowering()));
>> -  GISel->Legalizer.reset(new ARMLegalizerInfo(*this));
>> +  CallLoweringInfo.reset(new ARMCallLowering(*getTargetLowering()));
>> +  Legalizer.reset(new ARMLegalizerInfo(*this));
>>      auto *RBI = new ARMRegisterBankInfo(*getRegisterInfo());
>>      // FIXME: At this point, we can't rely on Subtarget having RBI.
>>    // It's awkward to mix passing RBI and the Subtarget; should we pass
>>    // TII/TRI as well?
>> -  GISel->InstSelector.reset(createARMInstructionSelector(
>> +  InstSelector.reset(createARMInstructionSelector(
>>        *static_cast<const ARMBaseTargetMachine *>(&TM), *this, *RBI));
>>  -  GISel->RegBankInfo.reset(RBI);
>> -  setGISelAccessor(*GISel);
>> +  RegBankInfo.reset(RBI);
>>  }
>>    const CallLowering *ARMSubtarget::getCallLowering() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getCallLowering();
>> +  return CallLoweringInfo.get();
>>  }
>>    const InstructionSelector *ARMSubtarget::getInstructionSelector() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getInstructionSelector();
>> +  return InstSelector.get();
>>  }
>>    const LegalizerInfo *ARMSubtarget::getLegalizerInfo() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getLegalizerInfo();
>> +  return Legalizer.get();
>>  }
>>    const RegisterBankInfo *ARMSubtarget::getRegBankInfo() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getRegBankInfo();
>> +  return RegBankInfo.get();
>>  }
>>    bool ARMSubtarget::isXRaySupported() const {
>> Modified: llvm/trunk/lib/Target/ARM/ARMSubtarget.h
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMSubtarget.h?rev=310115&r1=310114&r2=310115&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/ARM/ARMSubtarget.h (original)
>> +++ llvm/trunk/lib/Target/ARM/ARMSubtarget.h Fri Aug  4 13:15:46 2017
>> @@ -20,7 +20,10 @@
>>  #include "ARMISelLowering.h"
>>  #include "ARMSelectionDAGInfo.h"
>>  #include "llvm/ADT/Triple.h"
>> -#include "llvm/CodeGen/GlobalISel/GISelAccessor.h"
>> +#include "llvm/CodeGen/GlobalISel/CallLowering.h"
>> +#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
>> +#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
>> +#include "llvm/CodeGen/GlobalISel/RegisterBankInfo.h"
>>  #include "llvm/CodeGen/MachineFunction.h"
>>  #include "llvm/MC/MCInstrItineraries.h"
>>  #include "llvm/MC/MCSchedule.h"
>> @@ -419,9 +422,6 @@ public:
>>    ARMSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
>>                 const ARMBaseTargetMachine &TM, bool IsLittle);
>>  -  /// This object will take onwership of \p GISelAccessor.
>> -  void setGISelAccessor(GISelAccessor &GISel) { this->GISel.reset(&GISel); }
>> -
>>    /// getMaxInlineSizeThreshold - Returns the maximum memset / memcpy size
>>    /// that still makes it profitable to inline the call.
>>    unsigned getMaxInlineSizeThreshold() const {
>> @@ -469,10 +469,11 @@ private:
>>    std::unique_ptr<ARMBaseInstrInfo> InstrInfo;
>>    ARMTargetLowering   TLInfo;
>>  -  /// Gather the accessor points to GlobalISel-related APIs.
>> -  /// This is used to avoid ifndefs spreading around while GISel is
>> -  /// an optional library.
>> -  std::unique_ptr<GISelAccessor> GISel;
>> +  /// GlobalISel related APIs.
>> +  std::unique_ptr<CallLowering> CallLoweringInfo;
>> +  std::unique_ptr<InstructionSelector> InstSelector;
>> +  std::unique_ptr<LegalizerInfo> Legalizer;
>> +  std::unique_ptr<RegisterBankInfo> RegBankInfo;
>>      void initializeEnvironment();
>>    void initSubtargetFeatures(StringRef CPU, StringRef FS);
>> Modified: llvm/trunk/lib/Target/X86/X86Subtarget.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.cpp?rev=310115&r1=310114&r2=310115&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/X86/X86Subtarget.cpp (original)
>> +++ llvm/trunk/lib/Target/X86/X86Subtarget.cpp Fri Aug  4 13:15:46 2017
>> @@ -348,33 +348,6 @@ X86Subtarget &X86Subtarget::initializeSu
>>    return *this;
>>  }
>>  -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
>> -
>>  X86Subtarget::X86Subtarget(const Triple &TT, StringRef CPU, StringRef FS,
>>                             const X86TargetMachine &TM,
>>                             unsigned StackAlignOverride)
>> @@ -399,35 +372,29 @@ X86Subtarget::X86Subtarget(const Triple
>>      setPICStyle(PICStyles::StubPIC);
>>    else if (isTargetELF())
>>      setPICStyle(PICStyles::GOT);
>> -  X86GISelActualAccessor *GISel = new X86GISelActualAccessor();
>>  -  GISel->CallLoweringInfo.reset(new X86CallLowering(*getTargetLowering()));
>> -  GISel->Legalizer.reset(new X86LegalizerInfo(*this, TM));
>> +  CallLoweringInfo.reset(new X86CallLowering(*getTargetLowering()));
>> +  Legalizer.reset(new X86LegalizerInfo(*this, TM));
>>      auto *RBI = new X86RegisterBankInfo(*getRegisterInfo());
>> -  GISel->RegBankInfo.reset(RBI);
>> -  GISel->InstSelector.reset(createX86InstructionSelector(TM, *this, *RBI));
>> -  setGISelAccessor(*GISel);
>> +  RegBankInfo.reset(RBI);
>> +  InstSelector.reset(createX86InstructionSelector(TM, *this, *RBI));
>>  }
>>    const CallLowering *X86Subtarget::getCallLowering() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getCallLowering();
>> +  return CallLoweringInfo.get();
>>  }
>>    const InstructionSelector *X86Subtarget::getInstructionSelector() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getInstructionSelector();
>> +  return InstSelector.get();
>>  }
>>    const LegalizerInfo *X86Subtarget::getLegalizerInfo() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getLegalizerInfo();
>> +  return Legalizer.get();
>>  }
>>    const RegisterBankInfo *X86Subtarget::getRegBankInfo() const {
>> -  assert(GISel && "Access to GlobalISel APIs not set");
>> -  return GISel->getRegBankInfo();
>> +  return RegBankInfo.get();
>>  }
>>    bool X86Subtarget::enableEarlyIfConversion() const {
>> Modified: llvm/trunk/lib/Target/X86/X86Subtarget.h
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.h?rev=310115&r1=310114&r2=310115&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Target/X86/X86Subtarget.h (original)
>> +++ llvm/trunk/lib/Target/X86/X86Subtarget.h Fri Aug  4 13:15:46 2017
>> @@ -20,7 +20,10 @@
>>  #include "X86SelectionDAGInfo.h"
>>  #include "llvm/ADT/StringRef.h"
>>  #include "llvm/ADT/Triple.h"
>> -#include "llvm/CodeGen/GlobalISel/GISelAccessor.h"
>> +#include "llvm/CodeGen/GlobalISel/CallLowering.h"
>> +#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
>> +#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
>> +#include "llvm/CodeGen/GlobalISel/RegisterBankInfo.h"
>>  #include "llvm/IR/CallingConv.h"
>>  #include "llvm/MC/MCInstrItineraries.h"
>>  #include "llvm/Target/TargetMachine.h"
>> @@ -314,10 +317,11 @@ protected:
>>    /// Instruction itineraries for scheduling
>>    InstrItineraryData InstrItins;
>>  -  /// Gather the accessor points to GlobalISel-related APIs.
>> -  /// This is used to avoid ifndefs spreading around while GISel is
>> -  /// an optional library.
>> -  std::unique_ptr<GISelAccessor> GISel;
>> +  /// GlobalISel related APIs.
>> +  std::unique_ptr<CallLowering> CallLoweringInfo;
>> +  std::unique_ptr<LegalizerInfo> Legalizer;
>> +  std::unique_ptr<RegisterBankInfo> RegBankInfo;
>> +  std::unique_ptr<InstructionSelector> InstSelector;
>>    private:
>>    /// Override the stack alignment.
>> @@ -346,9 +350,6 @@ public:
>>    X86Subtarget(const Triple &TT, StringRef CPU, StringRef FS,
>>                 const X86TargetMachine &TM, unsigned StackAlignOverride);
>>  -  /// This object will take onwership of \p GISelAccessor.
>> -  void setGISelAccessor(GISelAccessor &GISel) { this->GISel.reset(&GISel); }
>> -
>>    const X86TargetLowering *getTargetLowering() const override {
>>      return &TLInfo;
>>    }
>> _______________________________________________
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>> llvm-commits at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
> 
> 
> -- 
> 
> -Bill Seurer
> 



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