class SDNode;
class Value;
-/// SDDbgValue - Holds the information from a dbg_value node through SDISel.
+/// 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
+ 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:
union {
struct {
- SDNode *Node; // valid for expressions
- unsigned ResNo; // valid for expressions
+ SDNode *Node; ///< Valid for expressions.
+ unsigned ResNo; ///< Valid for expressions.
} s;
- const Value *Const; // valid for constants
- unsigned FrameIx; // valid for stack objects
+ const Value *Const; ///< Valid for constants.
+ unsigned FrameIx; ///< Valid for stack objects.
} u;
DIVariable *Var;
DIExpression *Expr;
bool Invalid = false;
public:
- // Constructor for non-constants.
+ /// Constructor for non-constants.
SDDbgValue(DIVariable *Var, DIExpression *Expr, SDNode *N, unsigned R,
bool indir, DebugLoc dl, unsigned O)
: Var(Var), Expr(Expr), DL(std::move(dl)), Order(O), IsIndirect(indir) {
u.s.ResNo = R;
}
- // Constructor for constants.
+ /// Constructor for constants.
SDDbgValue(DIVariable *Var, DIExpression *Expr, const Value *C, DebugLoc dl,
unsigned O)
: Var(Var), Expr(Expr), DL(std::move(dl)), Order(O), IsIndirect(false) {
u.Const = C;
}
- // Constructor for frame indices.
+ /// Constructor for frame indices.
SDDbgValue(DIVariable *Var, DIExpression *Expr, unsigned FI, DebugLoc dl,
unsigned O)
: Var(Var), Expr(Expr), DL(std::move(dl)), Order(O), IsIndirect(false) {
u.FrameIx = FI;
}
- // Returns the kind.
+ /// Returns the kind.
DbgValueKind getKind() const { return kind; }
- // Returns the DIVariable pointer for the variable.
+ /// Returns the DIVariable pointer for the variable.
DIVariable *getVariable() const { return Var; }
- // Returns the DIExpression pointer for the expression.
+ /// Returns the DIExpression pointer for the expression.
DIExpression *getExpression() const { return Expr; }
- // Returns the SDNode* for a register ref
+ /// Returns the SDNode* for a register ref
SDNode *getSDNode() const { assert (kind==SDNODE); return u.s.Node; }
- // Returns the ResNo for a register ref
+ /// Returns the ResNo for a register ref
unsigned getResNo() const { assert (kind==SDNODE); return u.s.ResNo; }
- // Returns the Value* for a constant
+ /// Returns the Value* for a constant
const Value *getConst() const { assert (kind==CONST); return u.Const; }
- // Returns the FrameIx for a stack object
+ /// Returns the FrameIx for a stack object
unsigned getFrameIx() const { assert (kind==FRAMEIX); return u.FrameIx; }
- // Returns whether this is an indirect value.
+ /// Returns whether this is an indirect value.
bool isIndirect() const { return IsIndirect; }
- // Returns the DebugLoc.
+ /// Returns the DebugLoc.
DebugLoc getDebugLoc() const { return DL; }
- // Returns the SDNodeOrder. This is the order of the preceding node in the
- // input.
+ /// 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.
+ /// 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; }
};