FunctionComparator: don't rely on argument evaluation order.

This is a follow-up on the recent refactoring of the FunctionMerge pass.
It should fix a fail of the new FunctionComparator unittest whe compiling with MSVC.

llvm-svn: 286648

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Utils/FunctionComparator.cpp b/llvm/lib/Transforms/Utils/FunctionComparator.cpp
index 6884b403e92..1cb75b49c01 100644
--- a/llvm/lib/Transforms/Utils/FunctionComparator.cpp
+++ b/llvm/lib/Transforms/Utils/FunctionComparator.cpp
@@ -355,7 +355,9 @@ int FunctionComparator::cmpConstants(const Constant *L,
 }
 
 int FunctionComparator::cmpGlobalValues(GlobalValue *L, GlobalValue *R) const {
-  return cmpNumbers(GlobalNumbers->getNumber(L), GlobalNumbers->getNumber(R));
+  uint64_t LNumber = GlobalNumbers->getNumber(L);
+  uint64_t RNumber = GlobalNumbers->getNumber(R);
+  return cmpNumbers(LNumber, RNumber);
 }
 
 /// cmpType - compares two types,