Regression is gone, don't try to find it on clean target.

llvm-svn: 33296

1 files changed, 28 insertions, 0 deletions

diff --git a/llvm/test/Transforms/PredicateSimplifier/2006-09-20-ResolveCycle.ll b/llvm/test/Transforms/PredicateSimplifier/2006-09-20-ResolveCycle.ll
new file mode 100644
index 00000000000..83e5eacceda
--- /dev/null
+++ b/llvm/test/Transforms/PredicateSimplifier/2006-09-20-ResolveCycle.ll
@@ -0,0 +1,28 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -predsimplify -disable-output
+
+void %gs_image_next() {
+entry:
+	%tmp = load uint* null		; <uint> [#uses=2]
+	br bool false, label %cond_next21, label %UnifiedReturnBlock
+
+cond_next21:		; preds = %entry
+	br bool false, label %cond_next42, label %UnifiedReturnBlock
+
+cond_next42:		; preds = %cond_next21
+	br label %cond_true158
+
+cond_next134:		; preds = %cond_true158
+	%tmp1571 = seteq uint 0, %min		; <bool> [#uses=0]
+	ret void
+
+cond_true158:		; preds = %cond_true158, %cond_next42
+	%tmp47 = sub uint %tmp, 0		; <uint> [#uses=2]
+	%tmp49 = setle uint %tmp47, 0		; <bool> [#uses=1]
+	%min = select bool %tmp49, uint %tmp47, uint 0		; <uint> [#uses=2]
+	%tmp92 = add uint %min, 0		; <uint> [#uses=1]
+	%tmp101 = seteq uint %tmp92, %tmp		; <bool> [#uses=1]
+	br bool %tmp101, label %cond_next134, label %cond_true158
+
+UnifiedReturnBlock:		; preds = %cond_next21, %entry
+	ret void
+}