llvm-6502/lib/CodeGen/SelectionDAG/SDDbgValue.h
Dale Johannesen fab4a25d46 Add Order to SDDbgValue
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97939 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-08 05:39:50 +00:00

74 lines
2.2 KiB
C++

//===-- llvm/CodeGen/SDDbgValue.h - SD dbg_value handling--------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the SDDbgValue class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_SDDBGVALUE_H
#define LLVM_CODEGEN_SDDBGVALUE_H
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/DebugLoc.h"
namespace llvm {
class MDNode;
class SDNode;
class Value;
/// SDDbgValue - Holds the information from a dbg_value node through SDISel.
/// Either Const or Node is nonzero, but not both.
/// We do not use SDValue here to avoid including its header.
class SDDbgValue {
SDNode *Node; // valid for non-constants
unsigned ResNo; // valid for non-constants
Value *Const; // valid for constants
MDNode *mdPtr;
uint64_t Offset;
DebugLoc DL;
unsigned Order;
public:
// Constructor for non-constants.
SDDbgValue(MDNode *mdP, SDNode *N, unsigned R, uint64_t off, DebugLoc dl,
unsigned O) :
Node(N), ResNo(R), Const(0), mdPtr(mdP), Offset(off), DL(dl), Order(O) {}
// Constructor for constants.
SDDbgValue(MDNode *mdP, Value *C, uint64_t off, DebugLoc dl, unsigned O) :
Node(0), ResNo(0), Const(C), mdPtr(mdP), Offset(off), DL(dl), Order(O) {}
// Returns the MDNode pointer.
MDNode *getMDPtr() { return mdPtr; }
// Returns the SDNode* (valid for non-constants only).
SDNode *getSDNode() { assert (!Const); return Node; }
// Returns the ResNo (valid for non-constants only).
unsigned getResNo() { assert (!Const); return ResNo; }
// Returns the Value* for a constant (invalid for non-constants).
Value *getConst() { assert (!Node); return Const; }
// Returns the offset.
uint64_t getOffset() { return Offset; }
// Returns the DebugLoc.
DebugLoc getDebugLoc() { return DL; }
// Returns the SDNodeOrder. This is the order of the preceding node in the
// input.
unsigned getOrder() { return Order; }
};
} // end llvm namespace
#endif