Add another cyclic dag test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30918 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/2006-10-12-CycleInDAG.ll b/test/CodeGen/X86/2006-10-12-CycleInDAG.ll
new file mode 100644 (file)
index 0000000..752b8ec
--- /dev/null
+++ b/test/CodeGen/X86/2006-10-12-CycleInDAG.ll
@@ -0,0 +1,41 @@
+; RUN: llvm-as < %s | llc -march=x86
+       %struct.function = type opaque
+       %struct.lang_decl = type opaque
+       %struct.location_t = type { sbyte*, int }
+       %struct.rtx_def = type opaque
+       %struct.tree_common = type { %struct.tree_node*, %struct.tree_node*, %union.tree_ann_d*, ubyte, ubyte, ubyte, ubyte, ubyte }
+       %struct.tree_decl = type { %struct.tree_common, %struct.location_t, uint, %struct.tree_node*, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, uint, %struct.tree_decl_u1, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.rtx_def*, int, %struct.tree_decl_u2, %struct.tree_node*, %struct.tree_node*, long, %struct.lang_decl* }
+       %struct.tree_decl_u1 = type { long }
+       %struct.tree_decl_u2 = type { %struct.function* }
+       %struct.tree_node = type { %struct.tree_decl }
+       %union.tree_ann_d = type opaque
+
+void %check_format_arg() {
+       br bool false, label %cond_next196, label %bb12.preheader
+
+bb12.preheader:
+       ret void
+
+cond_next196:
+       br bool false, label %cond_next330, label %cond_true304
+
+cond_true304:
+       ret void
+
+cond_next330:
+       br bool false, label %cond_next472, label %bb441
+
+bb441:
+       ret void
+
+cond_next472:
+       %tmp490 = load %struct.tree_node** null
+       %tmp492 = getelementptr %struct.tree_node* %tmp490, int 0, uint 0, uint 0, uint 3
+       %tmp492 = cast ubyte* %tmp492 to uint*
+       %tmp493 = load uint* %tmp492
+       %tmp495 = cast uint %tmp493 to ubyte
+       %tmp496 = seteq ubyte %tmp495, 11
+       %tmp496 = cast bool %tmp496 to sbyte
+       store sbyte %tmp496, sbyte* null
+       ret void
+}