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Imported Upstream version 5.18.0.207

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Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
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Xamarin Public Jenkins (auto-signing)
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
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102
external/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h vendored
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@ -1,102 +0,0 @@
//- WebAssemblyISelLowering.h - WebAssembly DAG Lowering Interface -*- C++ -*-//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file defines the interfaces that WebAssembly uses to lower LLVM
/// code into a selection DAG.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYISELLOWERING_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYISELLOWERING_H
#include "llvm/CodeGen/TargetLowering.h"
namespace llvm {
namespace WebAssemblyISD {
enum NodeType : unsigned {
FIRST_NUMBER = ISD::BUILTIN_OP_END,
#define HANDLE_NODETYPE(NODE) NODE,
#include "WebAssemblyISD.def"
#undef HANDLE_NODETYPE
};
} // end namespace WebAssemblyISD
class WebAssemblySubtarget;
class WebAssemblyTargetMachine;
class WebAssemblyTargetLowering final : public TargetLowering {
public:
WebAssemblyTargetLowering(const TargetMachine &TM,
const WebAssemblySubtarget &STI);
private:
/// Keep a pointer to the WebAssemblySubtarget around so that we can make the
/// right decision when generating code for different targets.
const WebAssemblySubtarget *Subtarget;
FastISel *createFastISel(FunctionLoweringInfo &FuncInfo,
const TargetLibraryInfo *LibInfo) const override;
bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const override;
MVT getScalarShiftAmountTy(const DataLayout &DL, EVT) const override;
MachineBasicBlock *
EmitInstrWithCustomInserter(MachineInstr &MI,
MachineBasicBlock *MBB) const override;
const char *getTargetNodeName(unsigned Opcode) const override;
std::pair<unsigned, const TargetRegisterClass *> getRegForInlineAsmConstraint(
const TargetRegisterInfo *TRI, StringRef Constraint,
MVT VT) const override;
bool isCheapToSpeculateCttz() const override;
bool isCheapToSpeculateCtlz() const override;
bool isLegalAddressingMode(const DataLayout &DL, const AddrMode &AM, Type *Ty,
unsigned AS,
Instruction *I = nullptr) const override;
bool allowsMisalignedMemoryAccesses(EVT, unsigned AddrSpace, unsigned Align,
bool *Fast) const override;
bool isIntDivCheap(EVT VT, AttributeList Attr) const override;
SDValue LowerCall(CallLoweringInfo &CLI,
SmallVectorImpl<SDValue> &InVals) const override;
bool CanLowerReturn(CallingConv::ID CallConv, MachineFunction &MF,
bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
LLVMContext &Context) const override;
SDValue LowerReturn(SDValue Chain, CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<SDValue> &OutVals, const SDLoc &dl,
SelectionDAG &DAG) const override;
SDValue LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv,
bool IsVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
const SDLoc &DL, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const override;
// Custom lowering hooks.
SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override;
SDValue LowerFrameIndex(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerExternalSymbol(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerBR_JT(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerCopyToReg(SDValue Op, SelectionDAG &DAG) const;
};
namespace WebAssembly {
FastISel *createFastISel(FunctionLoweringInfo &funcInfo,
const TargetLibraryInfo *libInfo);
} // end namespace WebAssembly
} // end namespace llvm
#endif