Another cyclic dag test case.

llvm-svn: 29742

1 files changed, 23 insertions, 0 deletions

diff --git a/llvm/test/Regression/CodeGen/X86/2006-08-16-CycleInDAG.ll b/llvm/test/Regression/CodeGen/X86/2006-08-16-CycleInDAG.ll
new file mode 100644
index 00000000000..e643a822ca2
--- /dev/null
+++ b/llvm/test/Regression/CodeGen/X86/2006-08-16-CycleInDAG.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | llc -march=x86
+
+	%struct.expr = type { %struct.rtx_def*, int, %struct.expr*, %struct.occr*, %struct.occr*, %struct.rtx_def* }
+	%struct.hash_table = type { %struct.expr**, uint, uint, int }
+	%struct.occr = type { %struct.occr*, %struct.rtx_def*, sbyte, sbyte }
+	%struct.rtx_def = type { ushort, ubyte, ubyte, %struct.u }
+	%struct.u = type { [1 x long] }
+
+void %test() {
+	%tmp = load uint* null		; <uint> [#uses=1]
+	%tmp8 = call uint %hash_rtx( )		; <uint> [#uses=1]
+	%tmp11 = rem uint %tmp8, %tmp		; <uint> [#uses=1]
+	br bool false, label %cond_next, label %return
+
+cond_next:		; preds = %entry
+	%tmp17 = getelementptr %struct.expr** null, uint %tmp11		; <%struct.expr**> [#uses=0]
+	ret void
+
+return:		; preds = %entry
+	ret void
+}
+
+declare uint %hash_rtx()