mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
127 lines
3.8 KiB
C++
127 lines
3.8 KiB
C++
//===-- llvm/CodeGen/SDNodeDbgValue.h - SelectionDAG dbg_value --*- 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_LIB_CODEGEN_SELECTIONDAG_SDNODEDBGVALUE_H
|
|
#define LLVM_LIB_CODEGEN_SELECTIONDAG_SDNODEDBGVALUE_H
|
|
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/IR/DebugLoc.h"
|
|
#include "llvm/Support/DataTypes.h"
|
|
|
|
namespace llvm {
|
|
|
|
class MDNode;
|
|
class SDNode;
|
|
class Value;
|
|
|
|
/// SDDbgValue - Holds the information from a dbg_value node through SDISel.
|
|
/// We do not use SDValue here to avoid including its header.
|
|
|
|
class SDDbgValue {
|
|
public:
|
|
enum DbgValueKind {
|
|
SDNODE = 0, // value is the result of an expression
|
|
CONST = 1, // value is a constant
|
|
FRAMEIX = 2 // value is contents of a stack location
|
|
};
|
|
private:
|
|
enum DbgValueKind kind;
|
|
union {
|
|
struct {
|
|
SDNode *Node; // valid for expressions
|
|
unsigned ResNo; // valid for expressions
|
|
} s;
|
|
const Value *Const; // valid for constants
|
|
unsigned FrameIx; // valid for stack objects
|
|
} u;
|
|
MDNode *Var;
|
|
MDNode *Expr;
|
|
bool IsIndirect;
|
|
uint64_t Offset;
|
|
DebugLoc DL;
|
|
unsigned Order;
|
|
bool Invalid;
|
|
public:
|
|
// Constructor for non-constants.
|
|
SDDbgValue(MDNode *Var, MDNode *Expr, SDNode *N, unsigned R, bool indir,
|
|
uint64_t off, DebugLoc dl, unsigned O)
|
|
: Var(Var), Expr(Expr), IsIndirect(indir), Offset(off), DL(dl), Order(O),
|
|
Invalid(false) {
|
|
kind = SDNODE;
|
|
u.s.Node = N;
|
|
u.s.ResNo = R;
|
|
}
|
|
|
|
// Constructor for constants.
|
|
SDDbgValue(MDNode *Var, MDNode *Expr, const Value *C, uint64_t off,
|
|
DebugLoc dl, unsigned O)
|
|
: Var(Var), Expr(Expr), IsIndirect(false), Offset(off), DL(dl), Order(O),
|
|
Invalid(false) {
|
|
kind = CONST;
|
|
u.Const = C;
|
|
}
|
|
|
|
// Constructor for frame indices.
|
|
SDDbgValue(MDNode *Var, MDNode *Expr, unsigned FI, uint64_t off, DebugLoc dl,
|
|
unsigned O)
|
|
: Var(Var), Expr(Expr), IsIndirect(false), Offset(off), DL(dl), Order(O),
|
|
Invalid(false) {
|
|
kind = FRAMEIX;
|
|
u.FrameIx = FI;
|
|
}
|
|
|
|
// Returns the kind.
|
|
DbgValueKind getKind() const { return kind; }
|
|
|
|
// Returns the MDNode pointer for the variable.
|
|
MDNode *getVariable() const { return Var; }
|
|
|
|
// Returns the MDNode pointer for the expression.
|
|
MDNode *getExpression() const { return Expr; }
|
|
|
|
// Returns the SDNode* for a register ref
|
|
SDNode *getSDNode() const { assert (kind==SDNODE); return u.s.Node; }
|
|
|
|
// Returns the ResNo for a register ref
|
|
unsigned getResNo() const { assert (kind==SDNODE); return u.s.ResNo; }
|
|
|
|
// Returns the Value* for a constant
|
|
const Value *getConst() const { assert (kind==CONST); return u.Const; }
|
|
|
|
// Returns the FrameIx for a stack object
|
|
unsigned getFrameIx() const { assert (kind==FRAMEIX); return u.FrameIx; }
|
|
|
|
// Returns whether this is an indirect value.
|
|
bool isIndirect() const { return IsIndirect; }
|
|
|
|
// Returns the offset.
|
|
uint64_t getOffset() const { return Offset; }
|
|
|
|
// Returns the DebugLoc.
|
|
DebugLoc getDebugLoc() const { return DL; }
|
|
|
|
// Returns the SDNodeOrder. This is the order of the preceding node in the
|
|
// input.
|
|
unsigned getOrder() const { return Order; }
|
|
|
|
// setIsInvalidated / isInvalidated - Setter / getter of the "Invalidated"
|
|
// property. A SDDbgValue is invalid if the SDNode that produces the value is
|
|
// deleted.
|
|
void setIsInvalidated() { Invalid = true; }
|
|
bool isInvalidated() const { return Invalid; }
|
|
};
|
|
|
|
} // end llvm namespace
|
|
|
|
#endif
|