mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 20:23:11 +01:00
56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
//===-- PPCInstrBuilder.h - Aides for building PPC insts --------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file exposes functions that may be used with BuildMI from the
|
|
// MachineInstrBuilder.h file to simplify generating frame and constant pool
|
|
// references.
|
|
//
|
|
// For reference, the order of operands for memory references is:
|
|
// (Operand), Dest Reg, Base Reg, and either Reg Index or Immediate
|
|
// Displacement.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef POWERPC_INSTRBUILDER_H
|
|
#define POWERPC_INSTRBUILDER_H
|
|
|
|
#include "llvm/CodeGen/MachineInstrBuilder.h"
|
|
|
|
namespace llvm {
|
|
|
|
/// addFrameReference - This function is used to add a reference to the base of
|
|
/// an abstract object on the stack frame of the current function. This
|
|
/// reference has base register as the FrameIndex offset until it is resolved.
|
|
/// This allows a constant offset to be specified as well...
|
|
///
|
|
inline const MachineInstrBuilder&
|
|
addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0,
|
|
bool mem = true) {
|
|
if (mem)
|
|
return MIB.addImm(Offset).addFrameIndex(FI);
|
|
else
|
|
return MIB.addFrameIndex(FI).addImm(Offset);
|
|
}
|
|
|
|
/// addConstantPoolReference - This function is used to add a reference to the
|
|
/// base of a constant value spilled to the per-function constant pool. The
|
|
/// reference has base register ConstantPoolIndex offset which is retained until
|
|
/// either machine code emission or assembly output. This allows an optional
|
|
/// offset to be added as well.
|
|
///
|
|
inline const MachineInstrBuilder&
|
|
addConstantPoolReference(const MachineInstrBuilder &MIB, unsigned CPI,
|
|
int Offset = 0) {
|
|
return MIB.addImm(Offset).addConstantPoolIndex(CPI);
|
|
}
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|