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6f125f52d3
As preparation for removing the getSubtargetImpl() call from TargetMachine go ahead and flip the switch on caching the function dependent subtarget and remove the bare getSubtargetImpl call from the X86 port. As part of this add a few tests that show we can generate code and assemble on X86 based on features/cpu on the Function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232879 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
//===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- 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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// This file declares the X86 specific subclass of TargetMachine.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H
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#define LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H
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#include "X86InstrInfo.h"
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#include "X86Subtarget.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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class StringRef;
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class X86TargetMachine final : public LLVMTargetMachine {
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std::unique_ptr<TargetLoweringObjectFile> TLOF;
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X86Subtarget Subtarget;
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mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap;
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public:
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X86TargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
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const TargetOptions &Options, Reloc::Model RM,
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CodeModel::Model CM, CodeGenOpt::Level OL);
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~X86TargetMachine() override;
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const X86Subtarget *getSubtargetImpl(const Function &F) const override;
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TargetIRAnalysis getTargetIRAnalysis() override;
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// Set up the pass pipeline.
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TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
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TargetLoweringObjectFile *getObjFileLowering() const override {
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return TLOF.get();
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}
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};
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} // End llvm namespace
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#endif
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