Firstly, having a BranchInst isn't exclusive with having an unwind_to.

Secondly, we have to check whether the branch is actually pointing to the block
with the unwind in it. We could have gotten here because of the unwind_to alone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48099 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/SimplifyCFG/unwindto.ll

@@ -41,3 +41,21 @@ entry: unwind_to %cleanup
 cleanup:
   unwind
 }
+
+define i32 @f4() {
+entry: unwind_to %cleanup
+  call void @g(i32 0)
+  br label %cleanup
+cleanup:
+  unwind
+}
+
+define i32 @f5() {
+entry: unwind_to %cleanup
+  call void @g(i32 0)
+  br label %other
+other:
+  ret i32 0
+cleanup:
+  unwind
+}