Extend the AliasAnalysis::pointsToConstantMemory interface to allow it

to optionally look for constant or local (alloca) memory.

Teach BasicAliasAnalysis::pointsToConstantMemory to look through Select
and Phi nodes, and to support looking for local memory.

Remove FunctionAttrs' PointsToLocalOrConstantMemory function, now that
AliasAnalysis knows all the tricks that it knew.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118412 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/Analysis/AliasAnalysis.cpp b/lib/Analysis/AliasAnalysis.cpp
index 472d57ab40..d513ebbc2a 100644
--- a/lib/Analysis/AliasAnalysis.cpp
+++ b/lib/Analysis/AliasAnalysis.cpp
@@ -49,9 +49,10 @@ AliasAnalysis::alias(const Location &LocA, const Location &LocB) {
   return AA->alias(LocA, LocB);
 }
 
-bool AliasAnalysis::pointsToConstantMemory(const Location &Loc) {
+bool AliasAnalysis::pointsToConstantMemory(const Location &Loc,
+                                           bool OrLocal) {
   assert(AA && "AA didn't call InitializeAliasAnalysis in its run method!");
-  return AA->pointsToConstantMemory(Loc);
+  return AA->pointsToConstantMemory(Loc, OrLocal);
 }
 
 void AliasAnalysis::deleteValue(Value *V) {