forked from OSchip/llvm-project
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
//===-- ARMInstrInfo.cpp - ARM Instruction Information --------------------===//
|
|
//
|
|
// 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 ARM implementation of the TargetInstrInfo class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "ARMInstrInfo.h"
|
|
#include "ARM.h"
|
|
#include "ARMMachineFunctionInfo.h"
|
|
#include "MCTargetDesc/ARMAddressingModes.h"
|
|
#include "llvm/ADT/STLExtras.h"
|
|
#include "llvm/CodeGen/LiveVariables.h"
|
|
#include "llvm/CodeGen/MachineFrameInfo.h"
|
|
#include "llvm/CodeGen/MachineInstrBuilder.h"
|
|
#include "llvm/CodeGen/MachineJumpTableInfo.h"
|
|
#include "llvm/MC/MCAsmInfo.h"
|
|
using namespace llvm;
|
|
|
|
ARMInstrInfo::ARMInstrInfo(const ARMSubtarget &STI)
|
|
: ARMBaseInstrInfo(STI), RI(*this, STI) {
|
|
}
|
|
|
|
unsigned ARMInstrInfo::getUnindexedOpcode(unsigned Opc) const {
|
|
switch (Opc) {
|
|
default: break;
|
|
case ARM::LDR_PRE_IMM:
|
|
case ARM::LDR_PRE_REG:
|
|
case ARM::LDR_POST_IMM:
|
|
case ARM::LDR_POST_REG:
|
|
return ARM::LDRi12;
|
|
case ARM::LDRH_PRE:
|
|
case ARM::LDRH_POST:
|
|
return ARM::LDRH;
|
|
case ARM::LDRB_PRE_IMM:
|
|
case ARM::LDRB_PRE_REG:
|
|
case ARM::LDRB_POST_IMM:
|
|
case ARM::LDRB_POST_REG:
|
|
return ARM::LDRBi12;
|
|
case ARM::LDRSH_PRE:
|
|
case ARM::LDRSH_POST:
|
|
return ARM::LDRSH;
|
|
case ARM::LDRSB_PRE:
|
|
case ARM::LDRSB_POST:
|
|
return ARM::LDRSB;
|
|
case ARM::STR_PRE_IMM:
|
|
case ARM::STR_PRE_REG:
|
|
case ARM::STR_POST_IMM:
|
|
case ARM::STR_POST_REG:
|
|
return ARM::STRi12;
|
|
case ARM::STRH_PRE:
|
|
case ARM::STRH_POST:
|
|
return ARM::STRH;
|
|
case ARM::STRB_PRE_IMM:
|
|
case ARM::STRB_PRE_REG:
|
|
case ARM::STRB_POST_IMM:
|
|
case ARM::STRB_POST_REG:
|
|
return ARM::STRBi12;
|
|
}
|
|
|
|
return 0;
|
|
}
|