| //===-- PPCInstrBuilder.h - Aides for building PPC insts --------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file 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 LLVM_LIB_TARGET_POWERPC_PPCINSTRBUILDER_H |
| #define LLVM_LIB_TARGET_POWERPC_PPCINSTRBUILDER_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... |
| /// |
| static 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); |
| } |
| |
| } // End llvm namespace |
| |
| #endif |
