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| 1 //===-- JSTargetTransformInfo.h - JS specific TTI ---------------*- C++ -*-===// | |
| 2 // | |
| 3 // The LLVM Compiler Infrastructure | |
| 4 // | |
| 5 // This file is distributed under the University of Illinois Open Source | |
| 6 // License. See LICENSE.TXT for details. | |
| 7 // | |
| 8 //===----------------------------------------------------------------------===// | |
| 9 /// \file | |
| 10 /// This file implements a TargetTransformInfo::Concept conforming object | |
| 11 /// specific to the JS target machine. It uses the target's detailed information | |
| 12 /// to provide more precise answers to certain TTI queries, while letting the | |
| 13 /// target independent and default TTI implementations handle the rest. | |
| 14 /// | |
| 15 //===----------------------------------------------------------------------===// | |
| 16 | |
| 17 #ifndef LLVM_LIB_TARGET_JSBACKEND_JSTARGETTRANSFORMINFO_H | |
| 18 #define LLVM_LIB_TARGET_JSBACKEND_JSTARGETTRANSFORMINFO_H | |
| 19 | |
| 20 #include "JS.h" | |
| 21 #include "JSTargetMachine.h" | |
| 22 #include "llvm/Analysis/TargetTransformInfo.h" | |
| 23 #include "llvm/CodeGen/BasicTTIImpl.h" | |
| 24 | |
| 25 namespace llvm { | |
| 26 | |
| 27 class JSTTI : public BasicTTIImplBase<JSTTI> { | |
| 28 typedef BasicTTIImplBase<JSTTI> BaseT; | |
| 29 typedef TargetTransformInfo TTI; | |
| 30 friend BaseT; | |
| 31 | |
| 32 const TargetSubtargetInfo *ST; | |
| 33 const TargetLoweringBase *TLI; | |
| 34 | |
| 35 const TargetSubtargetInfo *getST() const { return ST; } | |
| 36 const TargetLoweringBase *getTLI() const { return TLI; } | |
| 37 | |
| 38 public: | |
| 39 explicit JSTTI(const JSTargetMachine *TM, Function &F) | |
| 40 : BaseT(TM), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {} | |
| 41 // Provide value semantics. MSVC requires that we spell all of these out. | |
| 42 JSTTI(const JSTTI &Arg) | |
| 43 : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {} | |
| 44 JSTTI(JSTTI &&Arg) | |
| 45 : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)), | |
| 46 TLI(std::move(Arg.TLI)) {} | |
| 47 JSTTI &operator=(const JSTTI &RHS) { | |
| 48 BaseT::operator=(static_cast<const BaseT &>(RHS)); | |
| 49 ST = RHS.ST; | |
| 50 TLI = RHS.TLI; | |
| 51 return *this; | |
| 52 } | |
| 53 JSTTI &operator=(JSTTI &&RHS) { | |
| 54 BaseT::operator=(std::move(static_cast<BaseT &>(RHS))); | |
| 55 ST = std::move(RHS.ST); | |
| 56 TLI = std::move(RHS.TLI); | |
| 57 return *this; | |
| 58 } | |
| 59 | |
| 60 | |
| 61 TTI::PopcntSupportKind getPopcntSupport(unsigned IntTyWidthInBit); | |
| 62 | |
| 63 unsigned getRegisterBitWidth(bool Vector) const; | |
| 64 | |
| 65 unsigned getArithmeticInstrCost( | |
| 66 unsigned Opcode, Type *Ty, | |
| 67 TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue, | |
| 68 TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue, | |
| 69 TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None, | |
| 70 TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None); | |
| 71 | |
| 72 unsigned getVectorInstrCost(unsigned Opcode, Type *Val, | |
| 73 unsigned Index = -1); | |
| 74 | |
| 75 void getUnrollingPreferences(Loop *L, | |
| 76 TTI::UnrollingPreferences &UP) const; | |
| 77 }; | |
| 78 | |
| 79 } // end namespace llvm | |
| 80 #endif | |
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Chromium Code Reviews
Issue 1692803002:
Remove Emscripten support (Closed)
Base URL: https://chromium.googlesource.com/a/native_client/pnacl-llvm.git@master