commit 9f06ef76d3cbaaf945f57a80059f0c6d3679a4c4
author Michael Zolotukhin <mzolotukhin@apple.com> Wed Jul 29 18:10:33 2015 +0000
committer Michael Zolotukhin <mzolotukhin@apple.com> Wed Jul 29 18:10:33 2015 +0000
tree 010191a9aa66145e152197798e906723229e7ec3
parent 3a7d55b623752dbef21258409ec120cd4e70410f

[Unroll] Handle SwitchInst properly.

Previously successor selection was simply wrong.

llvm-svn: 243545

llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp

diff --git a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
index 25b0877..6b64d4e 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
@@ -619,8 +619,8 @@
           if (isa<UndefValue>(SimpleCond))
             Succ = SI->getSuccessor(0);
           else
-            Succ =
-                SI->getSuccessor(cast<ConstantInt>(SimpleCond)->getSExtValue());
+            Succ = SI->findCaseValue(cast<ConstantInt>(SimpleCond))
+                       .getCaseSuccessor();
           if (L->contains(Succ))
             BBWorklist.insert(Succ);
           continue;