mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-01 00:11:00 +00:00
f76053269e
getting them out of the business of making stack slots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23180 91177308-0d34-0410-b5e6-96231b3b80d8
78 lines
2.9 KiB
C++
78 lines
2.9 KiB
C++
//===-- PPC32ISelLowering.h - PPC32 DAG Lowering Interface ------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by Chris Lattner and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the interfaces that PPC uses to lower LLVM code into a
|
|
// selection DAG.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_TARGET_POWERPC_PPC32ISELLOWERING_H
|
|
#define LLVM_TARGET_POWERPC_PPC32ISELLOWERING_H
|
|
|
|
#include "llvm/Target/TargetLowering.h"
|
|
#include "llvm/CodeGen/SelectionDAG.h"
|
|
#include "PowerPC.h"
|
|
|
|
namespace llvm {
|
|
namespace PPCISD {
|
|
enum NodeType {
|
|
// Start the numbering where the builting ops and target ops leave off.
|
|
FIRST_NUMBER = ISD::BUILTIN_OP_END+PPC::INSTRUCTION_LIST_END,
|
|
|
|
/// FSEL - Traditional three-operand fsel node.
|
|
///
|
|
FSEL,
|
|
|
|
/// FCTIWZ - The FCTIWZ instruction, taking an f32 or f64 operand,
|
|
/// producing an f64 value.
|
|
FCTIWZ,
|
|
};
|
|
}
|
|
|
|
class PPC32TargetLowering : public TargetLowering {
|
|
int VarArgsFrameIndex; // FrameIndex for start of varargs area.
|
|
int ReturnAddrIndex; // FrameIndex for return slot.
|
|
public:
|
|
PPC32TargetLowering(TargetMachine &TM);
|
|
|
|
/// LowerOperation - Provide custom lowering hooks for some operations.
|
|
///
|
|
virtual SDOperand LowerOperation(SDOperand Op, SelectionDAG &DAG);
|
|
|
|
/// LowerArguments - This hook must be implemented to indicate how we should
|
|
/// lower the arguments for the specified function, into the specified DAG.
|
|
virtual std::vector<SDOperand>
|
|
LowerArguments(Function &F, SelectionDAG &DAG);
|
|
|
|
/// LowerCallTo - This hook lowers an abstract call to a function into an
|
|
/// actual call.
|
|
virtual std::pair<SDOperand, SDOperand>
|
|
LowerCallTo(SDOperand Chain, const Type *RetTy, bool isVarArg,
|
|
unsigned CC,
|
|
bool isTailCall, SDOperand Callee, ArgListTy &Args,
|
|
SelectionDAG &DAG);
|
|
|
|
virtual SDOperand LowerVAStart(SDOperand Chain, SDOperand VAListP,
|
|
Value *VAListV, SelectionDAG &DAG);
|
|
|
|
virtual std::pair<SDOperand,SDOperand>
|
|
LowerVAArg(SDOperand Chain, SDOperand VAListP, Value *VAListV,
|
|
const Type *ArgTy, SelectionDAG &DAG);
|
|
|
|
virtual std::pair<SDOperand, SDOperand>
|
|
LowerFrameReturnAddress(bool isFrameAddr, SDOperand Chain, unsigned Depth,
|
|
SelectionDAG &DAG);
|
|
|
|
virtual MachineBasicBlock *InsertAtEndOfBasicBlock(MachineInstr *MI,
|
|
MachineBasicBlock *MBB);
|
|
};
|
|
}
|
|
|
|
#endif // LLVM_TARGET_POWERPC_PPC32ISELLOWERING_H
|