new testcase that crashes simplifycfg

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26274 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 35 insertions, 0 deletions

diff --git a/test/Transforms/SimplifyCFG/2006-02-17-InfiniteUnroll.ll b/test/Transforms/SimplifyCFG/2006-02-17-InfiniteUnroll.ll
new file mode 100644
index 0000000000..16af017c4d
--- /dev/null
+++ b/test/Transforms/SimplifyCFG/2006-02-17-InfiniteUnroll.ll
@@ -0,0 +1,35 @@
+; RUN: llvm-as < %s | opt -simplifycfg -disable-output
+
+void %polnel_() {
+entry:
+	%tmp595 = setlt int 0, 0		; <bool> [#uses=4]
+	br bool %tmp595, label %bb148.critedge, label %cond_true40
+
+bb36:		; preds = %bb43
+	br bool %tmp595, label %bb43, label %cond_true40
+
+cond_true40:		; preds = %bb46, %cond_true40, %bb36, %entry
+	%tmp397 = setgt int 0, 0		; <bool> [#uses=1]
+	br bool %tmp397, label %bb43, label %cond_true40
+
+bb43:		; preds = %cond_true40, %bb36
+	br bool false, label %bb53, label %bb36
+
+bb46:		; preds = %bb53
+	br bool %tmp595, label %bb53, label %cond_true40
+
+bb53:		; preds = %bb46, %bb43
+	br bool false, label %bb102, label %bb46
+
+bb92.preheader:		; preds = %bb102
+	ret void
+
+bb102:		; preds = %bb53
+	br bool %tmp595, label %bb148, label %bb92.preheader
+
+bb148.critedge:		; preds = %entry
+	ret void
+
+bb148:		; preds = %bb102
+	ret void
+}