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71ed6f04a8
Multiple metadata values for records such as opencl.ocl.version, llvm.ident and similar are created after linking several modules. For some of them, notably opencl.ocl.version, this creates semantic problem because we cannot tell which version of OpenCL the composite module conforms. Moreover, such repetitions of identical values often create a huge list of unneeded metadata, which grows bitcode size both in memory and stored on disk. It can go up to several Mb when linked against our OpenCL library. Lastly, such long lists obscure reading of dumped IR. The pass unifies metadata after linking. Differential Revision: https://reviews.llvm.org/D25381 llvm-svn: 289092
97 lines
3.3 KiB
C++
97 lines
3.3 KiB
C++
//===-- AMDGPUTargetMachine.h - AMDGPU TargetMachine Interface --*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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/// \file
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/// \brief The AMDGPU TargetMachine interface definition for hw codgen targets.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
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#define LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
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#include "AMDGPUIntrinsicInfo.h"
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#include "AMDGPUSubtarget.h"
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namespace llvm {
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//===----------------------------------------------------------------------===//
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// AMDGPU Target Machine (R600+)
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//===----------------------------------------------------------------------===//
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class AMDGPUTargetMachine : public LLVMTargetMachine {
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protected:
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std::unique_ptr<TargetLoweringObjectFile> TLOF;
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AMDGPUIntrinsicInfo IntrinsicInfo;
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StringRef getGPUName(const Function &F) const;
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StringRef getFeatureString(const Function &F) const;
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public:
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AMDGPUTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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StringRef FS, TargetOptions Options,
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Optional<Reloc::Model> RM, CodeModel::Model CM,
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CodeGenOpt::Level OL);
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~AMDGPUTargetMachine();
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const AMDGPUSubtarget *getSubtargetImpl() const;
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const AMDGPUSubtarget *getSubtargetImpl(const Function &) const override = 0;
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const AMDGPUIntrinsicInfo *getIntrinsicInfo() const override {
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return &IntrinsicInfo;
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}
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TargetIRAnalysis getTargetIRAnalysis() override;
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TargetLoweringObjectFile *getObjFileLowering() const override {
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return TLOF.get();
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}
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void addEarlyAsPossiblePasses(PassManagerBase &PM) override;
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};
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//===----------------------------------------------------------------------===//
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// R600 Target Machine (R600 -> Cayman)
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//===----------------------------------------------------------------------===//
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class R600TargetMachine final : public AMDGPUTargetMachine {
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private:
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mutable StringMap<std::unique_ptr<R600Subtarget>> SubtargetMap;
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public:
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R600TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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StringRef FS, TargetOptions Options,
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Optional<Reloc::Model> RM, CodeModel::Model CM,
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CodeGenOpt::Level OL);
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TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
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const R600Subtarget *getSubtargetImpl(const Function &) const override;
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};
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//===----------------------------------------------------------------------===//
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// GCN Target Machine (SI+)
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//===----------------------------------------------------------------------===//
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class GCNTargetMachine final : public AMDGPUTargetMachine {
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private:
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mutable StringMap<std::unique_ptr<SISubtarget>> SubtargetMap;
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public:
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GCNTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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StringRef FS, TargetOptions Options,
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Optional<Reloc::Model> RM, CodeModel::Model CM,
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CodeGenOpt::Level OL);
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TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
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const SISubtarget *getSubtargetImpl(const Function &) const override;
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};
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} // End namespace llvm
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#endif
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