commit 5a7b3821c6abed7f58a53a94eac128bd23d23289
author Ted Kremenek <kremenek@apple.com> Tue Feb 26 23:37:01 2008 +0000
committer Ted Kremenek <kremenek@apple.com> Tue Feb 26 23:37:01 2008 +0000
tree b3600b7898c70c2471f3d7a4d2464c06f3027b7a
parent 06747691096654742d9ed7342e63828456b4f40c

Fix bug when processing '?' operator: invalidate the old "Uninitialized" value of the block-level expression for ?.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@47645 91177308-0d34-0410-b5e6-96231b3b80d8

Analysis/ValueState.cpp

diff --git a/Analysis/ValueState.cpp b/Analysis/ValueState.cpp
index 7be59ce..97a090d 100644
--- a/Analysis/ValueState.cpp
+++ b/Analysis/ValueState.cpp
@@ -387,12 +387,27 @@
 }
 
 ValueState 
-ValueStateManager::SetRVal(ValueState St, Expr* E, bool isBlkExpr, RVal V) {
+ValueStateManager::SetRVal(ValueState St, Expr* E, RVal V,
+                           bool isBlkExpr, bool Invalidate) {
   
   assert (E);
 
-  if (V.isUnknown())
+  if (V.isUnknown()) {
+    
+    if (Invalidate) {
+      
+      ValueStateImpl NewSt = *St;
+      
+      if (isBlkExpr)
+        NewSt.BlockExprBindings = EXFactory.Remove(NewSt.BlockExprBindings, E);
+      else
+        NewSt.SubExprBindings = EXFactory.Remove(NewSt.SubExprBindings, E);
+      
+      return getPersistentState(NewSt);
+    }
+  
     return St;
+  }
   
   ValueStateImpl NewSt = *St;
   
@@ -406,8 +421,8 @@
   return getPersistentState(NewSt);
 }
 
-ValueState
-ValueStateManager::SetRVal(ValueState St, LVal LV, RVal V) {
+
+ValueState ValueStateManager::SetRVal(ValueState St, LVal LV, RVal V) {
   
   switch (LV.getSubKind()) {