From aaaaa02a93d3815d4cde97071ed354acc64ec6f6 Mon Sep 17 00:00:00 2001 From: Gabor Greif Date: Mon, 12 Jul 2010 14:13:15 +0000 Subject: [PATCH] cache result of operator* git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108144 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/IPO/GlobalOpt.cpp | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp index 9b5511f3f21..735a1c47c39 100644 --- a/lib/Transforms/IPO/GlobalOpt.cpp +++ b/lib/Transforms/IPO/GlobalOpt.cpp @@ -1600,13 +1600,15 @@ static bool TryToShrinkGlobalToBoolean(GlobalVariable *GV, Constant *OtherVal) { 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(I) && !isa(I)) + for (Value::use_iterator I = GV->use_begin(), E = GV->use_end(); I != E; ++I){ + User *U = *I; + if (!isa(U) && !isa(U)) return false; - + } + DEBUG(dbgs() << " *** SHRINKING TO BOOL: " << *GV); // Create the new global, initializing it to false.