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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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119
external/llvm/lib/Target/Mips/MipsSEInstrInfo.h vendored
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//===-- MipsSEInstrInfo.h - Mips32/64 Instruction Information ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the Mips32/64 implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_MIPS_MIPSSEINSTRINFO_H
#define LLVM_LIB_TARGET_MIPS_MIPSSEINSTRINFO_H
#include "MipsInstrInfo.h"
#include "MipsSERegisterInfo.h"
namespace llvm {
class MipsSEInstrInfo : public MipsInstrInfo {
const MipsSERegisterInfo RI;
public:
explicit MipsSEInstrInfo(const MipsSubtarget &STI);
const MipsRegisterInfo &getRegisterInfo() const override;
/// isLoadFromStackSlot - If the specified machine instruction is a direct
/// load from a stack slot, return the virtual or physical register number of
/// the destination along with the FrameIndex of the loaded stack slot. If
/// not, return 0. This predicate must return 0 if the instruction has
/// any side effects other than loading from the stack slot.
unsigned isLoadFromStackSlot(const MachineInstr &MI,
int &FrameIndex) const override;
/// isStoreToStackSlot - If the specified machine instruction is a direct
/// store to a stack slot, return the virtual or physical register number of
/// the source reg along with the FrameIndex of the loaded stack slot. If
/// not, return 0. This predicate must return 0 if the instruction has
/// any side effects other than storing to the stack slot.
unsigned isStoreToStackSlot(const MachineInstr &MI,
int &FrameIndex) const override;
void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
const DebugLoc &DL, unsigned DestReg, unsigned SrcReg,
bool KillSrc) const override;
void storeRegToStack(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned SrcReg, bool isKill, int FrameIndex,
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI,
int64_t Offset) const override;
void loadRegFromStack(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI,
int64_t Offset) const override;
bool expandPostRAPseudo(MachineInstr &MI) const override;
unsigned getOppositeBranchOpc(unsigned Opc) const override;
/// Adjust SP by Amount bytes.
void adjustStackPtr(unsigned SP, int64_t Amount, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const override;
/// Emit a series of instructions to load an immediate. If NewImm is a
/// non-NULL parameter, the last instruction is not emitted, but instead
/// its immediate operand is returned in NewImm.
unsigned loadImmediate(int64_t Imm, MachineBasicBlock &MBB,
MachineBasicBlock::iterator II, const DebugLoc &DL,
unsigned *NewImm) const;
private:
unsigned getAnalyzableBrOpc(unsigned Opc) const override;
void expandRetRA(MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const;
void expandERet(MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const;
std::pair<bool, bool> compareOpndSize(unsigned Opc,
const MachineFunction &MF) const;
void expandPseudoMFHiLo(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
unsigned NewOpc) const;
void expandPseudoMTLoHi(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
unsigned LoOpc, unsigned HiOpc,
bool HasExplicitDef) const;
/// Expand pseudo Int-to-FP conversion instructions.
///
/// For example, the following pseudo instruction
/// PseudoCVT_D32_W D2, A5
/// gets expanded into these two instructions:
/// MTC1 F4, A5
/// CVT_D32_W D2, F4
///
/// We do this expansion post-RA to avoid inserting a floating point copy
/// instruction between MTC1 and CVT_D32_W.
void expandCvtFPInt(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
unsigned CvtOpc, unsigned MovOpc, bool IsI64) const;
void expandExtractElementF64(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I, bool FP64) const;
void expandBuildPairF64(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I, bool FP64) const;
void expandEhReturn(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
};
}
#endif