fix an infinite loop in reassociate building emacs.
llvm-svn: 92679
diff --git a/llvm/test/Transforms/Reassociate/crash.ll b/llvm/test/Transforms/Reassociate/crash.ll
new file mode 100644
index 0000000..12f8a37
--- /dev/null
+++ b/llvm/test/Transforms/Reassociate/crash.ll
@@ -0,0 +1,15 @@
+; RUN: opt -reassociate -disable-output %s
+
+
+; rdar://7507855
+define fastcc i32 @test() nounwind {
+entry:
+ %cond = select i1 undef, i32 1, i32 -1 ; <i32> [#uses=2]
+ br label %for.cond
+
+for.cond: ; preds = %for.body, %entry
+ %sub889 = sub i32 undef, undef ; <i32> [#uses=1]
+ %sub891 = sub i32 %sub889, %cond ; <i32> [#uses=0]
+ %add896 = sub i32 0, %cond ; <i32> [#uses=0]
+ ret i32 undef
+}