commit 21d378d73563034b7ca3d8995699b886b2c68719
author Evan Cheng <evan.cheng@apple.com> Tue May 24 23:47:50 2011 +0000
committer Evan Cheng <evan.cheng@apple.com> Tue May 24 23:47:50 2011 +0000
tree 4e4e74998baac4c0b873191930643adf93f3b68b
parent 4db7dec70b06a1d50a265c3666e126065e09f396

Forgot dyn_cast check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132025 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/LoopUnswitch.cpp

diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp
index 9761d68..a33e795 100644
--- a/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -881,8 +881,8 @@
     
     for (Value::use_iterator UI = LIC->use_begin(), E = LIC->use_end();
          UI != E; ++UI) {
-      Instruction *U = cast<Instruction>(*UI);
-      if (!L->contains(U))
+      Instruction *U = dyn_cast<Instruction>(*UI);
+      if (!U || !L->contains(U))
         continue;
       U->replaceUsesOfWith(LIC, Replacement);
       Worklist.push_back(U);
@@ -896,8 +896,8 @@
   // can.  This case occurs when we unswitch switch statements.
   for (Value::use_iterator UI = LIC->use_begin(), E = LIC->use_end();
        UI != E; ++UI) {
-    Instruction *U = cast<Instruction>(*UI);
-    if (!L->contains(U))
+    Instruction *U = dyn_cast<Instruction>(*UI);
+    if (!U || !L->contains(U))
       continue;
 
     Worklist.push_back(U);