GCC doesn't understand that OrigAliasResult having a value is correlated with
authorDuncan Sands <baldrick@free.fr>
Wed, 19 Sep 2012 15:43:44 +0000 (15:43 +0000)
committerDuncan Sands <baldrick@free.fr>
Wed, 19 Sep 2012 15:43:44 +0000 (15:43 +0000)
ArePhisAssumedNoAlias, and warns that OrigAliasResult may be used uninitialized.
Pacify GCC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164229 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/BasicAliasAnalysis.cpp

index a3bc06a80f22e5c32ad35809d678d3291e74d9c3..7fad8fecb04d161a89bf68f6fe20c4ada25abdfd 100644 (file)
@@ -1086,7 +1086,7 @@ BasicAliasAnalysis::aliasPHI(const PHINode *PN, uint64_t PNSize,
       // We assume for the recursion that the the phis (ptr_phi, ptr2_phi) do
       // not alias each other.
       bool ArePhisAssumedNoAlias = false;
-      AliasResult OrigAliasResult;
+      AliasResult OrigAliasResult = NoAlias;
       if (Alias == NoAlias) {
         // Pretend the phis do not alias.
         assert(AliasCache.count(Locs) &&