commit d993402df30d8ca7cdefd2c5cd8ca4d99854b489
author Gabor Greif <ggreif@gmail.com> Mon Jul 12 10:49:54 2010 +0000
committer Gabor Greif <ggreif@gmail.com> Mon Jul 12 10:49:54 2010 +0000
tree e6179b6b9ddfa8e7db33076b328fabc35d1087aa
parent 2a464d73082bb3b1375a178db9528d5860e57b28

cache dereferenced iterators

llvm-svn: 108132

llvm/lib/Transforms/Utils/Local.cpp

diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp
index b9fcfd5..0b48a8f 100644
--- a/llvm/lib/Transforms/Utils/Local.cpp
+++ b/llvm/lib/Transforms/Utils/Local.cpp
@@ -432,9 +432,11 @@
   // Use that list to make another list of common predecessors of BB and Succ
   BlockSet CommonPreds;
   for (pred_iterator PI = pred_begin(Succ), PE = pred_end(Succ);
-        PI != PE; ++PI)
-    if (BBPreds.count(*PI))
-      CommonPreds.insert(*PI);
+       PI != PE; ++PI) {
+    BasicBlock *P = *PI;
+    if (BBPreds.count(P))
+      CommonPreds.insert(P);
+  }
 
   // Shortcut, if there are no common predecessors, merging is always safe
   if (CommonPreds.empty())