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https://github.com/c64scene-ar/llvm-6502.git
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887c1fe701
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167422 91177308-0d34-0410-b5e6-96231b3b80d8
99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
//=- llvm/Target/TargetTransformImpl.h - Target Loop Trans Info----*- 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 contains the target-specific implementations of the
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// TargetTransform interfaces.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TARGET_TARGET_TRANSFORMATION_IMPL_H
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#define LLVM_TARGET_TARGET_TRANSFORMATION_IMPL_H
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#include "llvm/TargetTransformInfo.h"
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#include "llvm/CodeGen/ValueTypes.h"
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namespace llvm {
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class TargetLowering;
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/// ScalarTargetTransformInfo - This is a default implementation for the
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/// ScalarTargetTransformInfo interface. Different targets can implement
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/// this interface differently.
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class ScalarTargetTransformImpl : public ScalarTargetTransformInfo {
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private:
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const TargetLowering *TLI;
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public:
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/// Ctor
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explicit ScalarTargetTransformImpl(const TargetLowering *TL) : TLI(TL) {}
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virtual bool isLegalAddImmediate(int64_t imm) const;
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virtual bool isLegalICmpImmediate(int64_t imm) const;
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virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty) const;
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virtual bool isTruncateFree(Type *Ty1, Type *Ty2) const;
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virtual bool isTypeLegal(Type *Ty) const;
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virtual unsigned getJumpBufAlignment() const;
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virtual unsigned getJumpBufSize() const;
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virtual bool shouldBuildLookupTables() const;
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};
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class VectorTargetTransformImpl : public VectorTargetTransformInfo {
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protected:
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const TargetLowering *TLI;
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/// Estimate the cost of type-legalization and the legalized type.
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std::pair<unsigned, MVT> getTypeLegalizationCost(Type *Ty) const;
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/// Estimate the overhead of scalarizing an instruction. Insert and Extract
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/// are set if the result needs to be inserted and/or extracted from vectors.
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unsigned getScalarizationOverhead(Type *Ty, bool Insert, bool Extract) const;
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// Get the ISD node that corresponds to the Instruction class opcode.
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int InstructionOpcodeToISD(unsigned Opcode) const;
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public:
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explicit VectorTargetTransformImpl(const TargetLowering *TL) : TLI(TL) {}
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virtual ~VectorTargetTransformImpl() {}
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virtual unsigned getInstrCost(unsigned Opcode, Type *Ty1, Type *Ty2) const;
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virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const;
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virtual unsigned getBroadcastCost(Type *Tp) const;
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virtual unsigned getCastInstrCost(unsigned Opcode, Type *Dst,
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Type *Src) const;
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virtual unsigned getCFInstrCost(unsigned Opcode) const;
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virtual unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
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Type *CondTy) const;
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virtual unsigned getVectorInstrCost(unsigned Opcode, Type *Val,
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unsigned Index) const;
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virtual unsigned getMemoryOpCost(unsigned Opcode, Type *Src,
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unsigned Alignment,
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unsigned AddressSpace) const;
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virtual unsigned getNumberOfParts(Type *Tp) const;
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};
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} // end llvm namespace
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#endif
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