Calculate GetBestDestForJumpOnUndef correctly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133946 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/JumpThreading.cpp b/lib/Transforms/Scalar/JumpThreading.cpp
index cf18ff040bdab2b6f871c7d5f6f0e699006db1f5..b500d5b4fdffb95b1ef617e14c066dcf9e9ea5eb 100644 (file)
--- a/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/lib/Transforms/Scalar/JumpThreading.cpp
@@ -600,8 +600,10 @@ static unsigned GetBestDestForJumpOnUndef(BasicBlock *BB) {
   for (unsigned i = 1, e = BBTerm->getNumSuccessors(); i != e; ++i) {
     TestBB = BBTerm->getSuccessor(i);
     unsigned NumPreds = std::distance(pred_begin(TestBB), pred_end(TestBB));
-    if (NumPreds < MinNumPreds)
+    if (NumPreds < MinNumPreds) {
       MinSucc = i;
+      MinNumPreds = NumPreds;
+    }
   }
 
   return MinSucc;