cache result of operator*
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108144 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 9b5511f..735a1c4 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -1600,13 +1600,15 @@
GVElType->isFloatingPointTy() ||
GVElType->isPointerTy() || GVElType->isVectorTy())
return false;
-
+
// Walk the use list of the global seeing if all the uses are load or store.
// If there is anything else, bail out.
- for (Value::use_iterator I = GV->use_begin(), E = GV->use_end(); I != E; ++I)
- if (!isa<LoadInst>(I) && !isa<StoreInst>(I))
+ for (Value::use_iterator I = GV->use_begin(), E = GV->use_end(); I != E; ++I){
+ User *U = *I;
+ if (!isa<LoadInst>(U) && !isa<StoreInst>(U))
return false;
-
+ }
+
DEBUG(dbgs() << " *** SHRINKING TO BOOL: " << *GV);
// Create the new global, initializing it to false.