mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-28 04:29:44 +00:00
98a366d547
which better identifies what the optimization is doing. And is more flexible for future uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70440 91177308-0d34-0410-b5e6-96231b3b80d8
115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
//===-- ARM.h - Top-level interface for ARM representation---- --*- 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 entry points for global functions defined in the LLVM
|
|
// ARM back-end.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef TARGET_ARM_H
|
|
#define TARGET_ARM_H
|
|
|
|
#include "llvm/Target/TargetMachine.h"
|
|
#include <cassert>
|
|
|
|
namespace llvm {
|
|
|
|
class ARMTargetMachine;
|
|
class FunctionPass;
|
|
class MachineCodeEmitter;
|
|
class raw_ostream;
|
|
|
|
// Enums corresponding to ARM condition codes
|
|
namespace ARMCC {
|
|
// The CondCodes constants map directly to the 4-bit encoding of the
|
|
// condition field for predicated instructions.
|
|
enum CondCodes {
|
|
EQ,
|
|
NE,
|
|
HS,
|
|
LO,
|
|
MI,
|
|
PL,
|
|
VS,
|
|
VC,
|
|
HI,
|
|
LS,
|
|
GE,
|
|
LT,
|
|
GT,
|
|
LE,
|
|
AL
|
|
};
|
|
|
|
inline static CondCodes getOppositeCondition(CondCodes CC){
|
|
switch (CC) {
|
|
default: assert(0 && "Unknown condition code");
|
|
case EQ: return NE;
|
|
case NE: return EQ;
|
|
case HS: return LO;
|
|
case LO: return HS;
|
|
case MI: return PL;
|
|
case PL: return MI;
|
|
case VS: return VC;
|
|
case VC: return VS;
|
|
case HI: return LS;
|
|
case LS: return HI;
|
|
case GE: return LT;
|
|
case LT: return GE;
|
|
case GT: return LE;
|
|
case LE: return GT;
|
|
}
|
|
}
|
|
}
|
|
|
|
inline static const char *ARMCondCodeToString(ARMCC::CondCodes CC) {
|
|
switch (CC) {
|
|
default: assert(0 && "Unknown condition code");
|
|
case ARMCC::EQ: return "eq";
|
|
case ARMCC::NE: return "ne";
|
|
case ARMCC::HS: return "hs";
|
|
case ARMCC::LO: return "lo";
|
|
case ARMCC::MI: return "mi";
|
|
case ARMCC::PL: return "pl";
|
|
case ARMCC::VS: return "vs";
|
|
case ARMCC::VC: return "vc";
|
|
case ARMCC::HI: return "hi";
|
|
case ARMCC::LS: return "ls";
|
|
case ARMCC::GE: return "ge";
|
|
case ARMCC::LT: return "lt";
|
|
case ARMCC::GT: return "gt";
|
|
case ARMCC::LE: return "le";
|
|
case ARMCC::AL: return "al";
|
|
}
|
|
}
|
|
|
|
FunctionPass *createARMISelDag(ARMTargetMachine &TM);
|
|
FunctionPass *createARMCodePrinterPass(raw_ostream &O,
|
|
ARMTargetMachine &TM,
|
|
CodeGenOpt::Level OptLevel,
|
|
bool Verbose);
|
|
FunctionPass *createARMCodeEmitterPass(ARMTargetMachine &TM,
|
|
MachineCodeEmitter &MCE);
|
|
FunctionPass *createARMLoadStoreOptimizationPass();
|
|
FunctionPass *createARMConstantIslandPass();
|
|
|
|
} // end namespace llvm;
|
|
|
|
// Defines symbolic names for ARM registers. This defines a mapping from
|
|
// register name to register number.
|
|
//
|
|
#include "ARMGenRegisterNames.inc"
|
|
|
|
// Defines symbolic names for the ARM instructions.
|
|
//
|
|
#include "ARMGenInstrNames.inc"
|
|
|
|
|
|
#endif
|