SCEVExpander fix. RAUW needs to update the InsertedExpressions cache.
Note that this bug is only exposed because LTO fails to use TTI.
Fixes self-LTO of clang. rdar://13007381.
llvm-svn: 172462
diff --git a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
index b87ad75..fcd7ce2 100644
--- a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -1523,9 +1523,8 @@
}
// Check to see if we already expanded this here.
- std::map<std::pair<const SCEV *, Instruction *>,
- AssertingVH<Value> >::iterator I =
- InsertedExpressions.find(std::make_pair(S, InsertPt));
+ std::map<std::pair<const SCEV *, Instruction *>, TrackingVH<Value> >::iterator
+ I = InsertedExpressions.find(std::make_pair(S, InsertPt));
if (I != InsertedExpressions.end())
return I->second;