Add support to create local variable's debug info.

[oota-llvm.git] / lib / Analysis / TypeBasedAliasAnalysis.cpp

diff --git a/lib/Analysis/TypeBasedAliasAnalysis.cpp b/lib/Analysis/TypeBasedAliasAnalysis.cpp
index 16ff64e4cfba33e3d4b2dc3e1d763fdb6580aa68..20b797ebeb1808b3ca9d861f9b7e87faf1a7527f 100644 (file)
--- a/lib/Analysis/TypeBasedAliasAnalysis.cpp
+++ b/lib/Analysis/TypeBasedAliasAnalysis.cpp
@@ -67,7 +67,7 @@
 using namespace llvm;
 
 // For testing purposes, enable TBAA only via a special option.
-static cl::opt<bool> EnableTBAA("enable-tbaa");
+static cl::opt<bool> EnableTBAA("enable-tbaa", cl::init(false));
 
 namespace {
   /// TBAANode - This is a simple wrapper around an MDNode which provides a
@@ -256,11 +256,12 @@ TypeBasedAliasAnalysis::getModRefBehavior(ImmutableCallSite CS) {
     if (TBAANode(M).TypeIsImmutable())
       Min = OnlyReadsMemory;
 
-  return std::min(AliasAnalysis::getModRefBehavior(CS), Min);
+  return ModRefBehavior(AliasAnalysis::getModRefBehavior(CS) & Min);
 }
 
 AliasAnalysis::ModRefBehavior
 TypeBasedAliasAnalysis::getModRefBehavior(const Function *F) {
+  // Functions don't have metadata. Just chain to the next implementation.
   return AliasAnalysis::getModRefBehavior(F);
 }