[llvm-commits] [llvm] r107962 - /llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp

[Gabor Greif]

Author: ggreif
Date: Fri Jul  9 07:23:50 2010
New Revision: 107962

URL: http://llvm.org/viewvc/llvm-project?rev=107962&view=rev
Log:
do not repeatedly dereference use_iterator

Modified:
    llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp

Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp?rev=107962&r1=107961&r2=107962&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp Fri Jul  9 07:23:50 2010
@@ -365,10 +365,11 @@
     return 0;
   for (Value::use_iterator UI = V->use_begin(), E = V->use_end();
        UI != E; ++UI) {
-    if (DbgDeclareInst *DI = dyn_cast<DbgDeclareInst>(UI))
+    User *U = *UI;
+    if (DbgDeclareInst *DI = dyn_cast<DbgDeclareInst>(U))
       return DI;
-    if (isa<BitCastInst>(UI) && UI->hasOneUse()) {
-      if (DbgDeclareInst *DI = dyn_cast<DbgDeclareInst>(UI->use_begin()))
+    if (isa<BitCastInst>(U) && U->hasOneUse()) {
+      if (DbgDeclareInst *DI = dyn_cast<DbgDeclareInst>(U->use_begin()))
         return DI;
       }
   }