Fix compilation of mesa, which I broke earlier today

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12465 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index 09153ed3bb096d338757a5eaaeeb183c80838d4b..a8785fe0a99d86bce5e6997798723defa08a11fd 100644 (file)
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -691,8 +691,9 @@ bool llvm::SimplifyCFG(BasicBlock *BB) {
     }
 
   } else if (SwitchInst *SI = dyn_cast<SwitchInst>(BB->begin())) {
-    if (FoldValueComparisonIntoPredecessors(SI))
-      return SimplifyCFG(BB) || 1;
+    if (isValueEqualityComparison(SI))
+      if (FoldValueComparisonIntoPredecessors(SI))
+        return SimplifyCFG(BB) || 1;
   } else if (BranchInst *BI = dyn_cast<BranchInst>(BB->getTerminator())) {
     if (Value *CompVal = isValueEqualityComparison(BB->getTerminator())) {
       // This block must be empty, except for the setcond inst, if it exists.