llvm-6502/lib/Target/PIC16/PIC16.h

89 lines
2.3 KiB
C++

//===-- PIC16.h - Top-level interface for PIC16 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 PIC16 back-end.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TARGET_PIC16_H
#define LLVM_TARGET_PIC16_H
#include <iosfwd>
#include <cassert>
namespace llvm {
class PIC16TargetMachine;
class FunctionPass;
class MachineCodeEmitter;
class raw_ostream;
namespace PIC16CC {
enum CondCodes {
EQ,
NE,
LT,
LE,
GT,
GE,
ULT,
UGT,
ULE,
UGE
};
}
inline static const char *PIC16CondCodeToString(PIC16CC::CondCodes CC) {
switch (CC) {
default: assert(0 && "Unknown condition code");
case PIC16CC::NE: return "ne";
case PIC16CC::EQ: return "eq";
case PIC16CC::LT: return "lt";
case PIC16CC::ULT: return "lt";
case PIC16CC::LE: return "le";
case PIC16CC::GT: return "gt";
case PIC16CC::UGT: return "gt";
case PIC16CC::GE: return "ge";
}
}
inline static bool isSignedComparison(PIC16CC::CondCodes CC) {
switch (CC) {
default: assert(0 && "Unknown condition code");
case PIC16CC::NE:
case PIC16CC::EQ:
case PIC16CC::LT:
case PIC16CC::LE:
case PIC16CC::GE:
case PIC16CC::GT:
return true;
case PIC16CC::ULT:
case PIC16CC::UGT:
case PIC16CC::ULE:
case PIC16CC::UGE:
return false; // condition codes for unsigned comparison.
}
}
FunctionPass *createPIC16ISelDag(PIC16TargetMachine &TM);
FunctionPass *createPIC16CodePrinterPass(raw_ostream &OS,
PIC16TargetMachine &TM,
bool Fast, bool Verbose);
} // end namespace llvm;
// Defines symbolic names for PIC16 registers. This defines a mapping from
// register name to register number.
#include "PIC16GenRegisterNames.inc"
// Defines symbolic names for the PIC16 instructions.
#include "PIC16GenInstrNames.inc"
#endif