Suppress a warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160629 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/Reassociate.cpp b/lib/Transforms/Scalar/Reassociate.cpp
index bcf34b5256802429026aca1c13c87c5b32e4229d..3677630f8c1a2cac5ad2912ab5fa482eeb9ccbd5 100644 (file)
--- a/lib/Transforms/Scalar/Reassociate.cpp
+++ b/lib/Transforms/Scalar/Reassociate.cpp
@@ -1581,7 +1581,8 @@ void Reassociate::OptimizeInst(Instruction *I) {
 
   // If this is an interior node of a reassociable tree, ignore it until we
   // get to the root of the tree, to avoid N^2 analysis.
-  if (BO->hasOneUse() && BO->use_back()->getOpcode() == BO->getOpcode())
+  unsigned Opcode = BO->getOpcode();
+  if (BO->hasOneUse() && BO->use_back()->getOpcode() == Opcode)
     return;
 
   // If this is an add tree that is used by a sub instruction, ignore it