mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +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
91 lines
2.4 KiB
C++
91 lines
2.4 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 "llvm/Target/TargetMachine.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,
|
|
CodeGenOpt::Level OptLevel,
|
|
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
|