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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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67
external/llvm/lib/Target/Mips/MipsAnalyzeImmediate.h vendored
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//===- MipsAnalyzeImmediate.h - Analyze Immediates -------------*- C++ -*--===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_MIPS_MIPSANALYZEIMMEDIATE_H
#define LLVM_LIB_TARGET_MIPS_MIPSANALYZEIMMEDIATE_H
#include "llvm/ADT/SmallVector.h"
#include <cstdint>
namespace llvm {
class MipsAnalyzeImmediate {
public:
struct Inst {
unsigned Opc, ImmOpnd;
Inst(unsigned Opc, unsigned ImmOpnd);
};
using InstSeq = SmallVector<Inst, 7>;
/// Analyze - Get an instruction sequence to load immediate Imm. The last
/// instruction in the sequence must be an ADDiu if LastInstrIsADDiu is
/// true;
const InstSeq &Analyze(uint64_t Imm, unsigned Size, bool LastInstrIsADDiu);
private:
using InstSeqLs = SmallVector<InstSeq, 5>;
/// AddInstr - Add I to all instruction sequences in SeqLs.
void AddInstr(InstSeqLs &SeqLs, const Inst &I);
/// GetInstSeqLsADDiu - Get instruction sequences which end with an ADDiu to
/// load immediate Imm
void GetInstSeqLsADDiu(uint64_t Imm, unsigned RemSize, InstSeqLs &SeqLs);
/// GetInstSeqLsORi - Get instrutcion sequences which end with an ORi to
/// load immediate Imm
void GetInstSeqLsORi(uint64_t Imm, unsigned RemSize, InstSeqLs &SeqLs);
/// GetInstSeqLsSLL - Get instruction sequences which end with a SLL to
/// load immediate Imm
void GetInstSeqLsSLL(uint64_t Imm, unsigned RemSize, InstSeqLs &SeqLs);
/// GetInstSeqLs - Get instruction sequences to load immediate Imm.
void GetInstSeqLs(uint64_t Imm, unsigned RemSize, InstSeqLs &SeqLs);
/// ReplaceADDiuSLLWithLUi - Replace an ADDiu & SLL pair with a LUi.
void ReplaceADDiuSLLWithLUi(InstSeq &Seq);
/// GetShortestSeq - Find the shortest instruction sequence in SeqLs and
/// return it in Insts.
void GetShortestSeq(InstSeqLs &SeqLs, InstSeq &Insts);
unsigned Size;
unsigned ADDiu, ORi, SLL, LUi;
InstSeq Insts;
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_MIPS_MIPSANALYZEIMMEDIATE_H