commit e003813e9613f41ff2c6a10cb1d3ae3a5b8eab1f
author Duncan Sands <baldrick@free.fr> Sun Jan 20 16:51:46 2008 +0000
committer Duncan Sands <baldrick@free.fr> Sun Jan 20 16:51:46 2008 +0000
tree 675141e107ce8e911f331989419352c0f7c6450d
parent ea74c7e498274960c2b09b7988b4cfefff43137f

Make sure the caller doesn't use freed memory.
Fixes PR1935.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46203 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/CodeGenPrepare.cpp

diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 8d6c923..5c572a6 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -401,8 +401,10 @@
   }
   
   // If we removed all uses, nuke the cast.
-  if (CI->use_empty())
+  if (CI->use_empty()) {
     CI->eraseFromParent();
+    MadeChange = true;
+  }
   
   return MadeChange;
 }