Break PseudoSourceValue out of the Value hierarchy. It is now the root of its own...

[oota-llvm.git] / lib / CodeGen / SelectionDAG / SDNodeDbgValue.h

diff --git a/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h b/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
index dbbd753c5bb44992145d0c2852db4de38b8a622b..b62bd623c4247ee91ba13af55c85569475e23c8c 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
+++ b/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
@@ -15,7 +15,8 @@
 #define LLVM_CODEGEN_SDNODEDBGVALUE_H
 
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/Support/DebugLoc.h"
+#include "llvm/IR/DebugLoc.h"
+#include "llvm/Support/DataTypes.h"
 
 namespace llvm {
 
@@ -40,32 +41,35 @@ private:
       SDNode *Node;         // valid for expressions
       unsigned ResNo;       // valid for expressions
     } s;
-    Value *Const;           // valid for constants
+    const Value *Const;     // valid for constants
     unsigned FrameIx;       // valid for stack objects
   } u;
   MDNode *mdPtr;
   uint64_t Offset;
   DebugLoc DL;
   unsigned Order;
+  bool Invalid;
 public:
   // Constructor for non-constants.
   SDDbgValue(MDNode *mdP, SDNode *N, unsigned R, uint64_t off, DebugLoc dl,
-             unsigned O) : mdPtr(mdP), Offset(off), DL(dl), Order(O) {
+             unsigned O) : mdPtr(mdP), Offset(off), DL(dl), Order(O),
+                           Invalid(false) {
     kind = SDNODE;
     u.s.Node = N;
     u.s.ResNo = R;
   }
 
   // Constructor for constants.
-  SDDbgValue(MDNode *mdP, Value *C, uint64_t off, DebugLoc dl, unsigned O) : 
-    mdPtr(mdP), Offset(off), DL(dl), Order(O) {
+  SDDbgValue(MDNode *mdP, const Value *C, uint64_t off, DebugLoc dl,
+             unsigned O) : 
+    mdPtr(mdP), Offset(off), DL(dl), Order(O), Invalid(false) {
     kind = CONST;
     u.Const = C;
   }
 
   // Constructor for frame indices.
   SDDbgValue(MDNode *mdP, unsigned FI, uint64_t off, DebugLoc dl, unsigned O) : 
-    mdPtr(mdP), Offset(off), DL(dl), Order(O) {
+    mdPtr(mdP), Offset(off), DL(dl), Order(O), Invalid(false) {
     kind = FRAMEIX;
     u.FrameIx = FI;
   }
@@ -83,7 +87,7 @@ public:
   unsigned getResNo() { assert (kind==SDNODE); return u.s.ResNo; }
 
   // Returns the Value* for a constant
-  Value *getConst() { assert (kind==CONST); return u.Const; }
+  const Value *getConst() { assert (kind==CONST); return u.Const; }
 
   // Returns the FrameIx for a stack object
   unsigned getFrameIx() { assert (kind==FRAMEIX); return u.FrameIx; }
@@ -97,6 +101,12 @@ public:
   // Returns the SDNodeOrder.  This is the order of the preceding node in the
   // input.
   unsigned getOrder() { 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() { return Invalid; }
 };
 
 } // end llvm namespace