[Attributor] Further cut down on non-determinism
llvm-svn: 369936
diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp
index a2ea006..ebe4fba 100644
--- a/llvm/lib/Transforms/IPO/Attributor.cpp
+++ b/llvm/lib/Transforms/IPO/Attributor.cpp
@@ -689,7 +689,7 @@
/// Mapping of values potentially returned by the associated function to the
/// return instructions that might return them.
- DenseMap<Value *, SmallSetVector<ReturnInst *, 4>> ReturnedValues;
+ MapVector<Value *, SmallSetVector<ReturnInst *, 4>> ReturnedValues;
/// Mapping to remember the number of returned values for a call site such
/// that we can avoid updates if nothing changed.