New testcase that crashes licm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17912 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LICM/2004-11-17-UndefIndexCrash.ll b/test/Transforms/LICM/2004-11-17-UndefIndexCrash.ll
new file mode 100644 (file)
index 0000000..7bd4258
--- /dev/null
+++ b/test/Transforms/LICM/2004-11-17-UndefIndexCrash.ll
@@ -0,0 +1,24 @@
+; RUN: llvm-as < %s | opt -licm -disable-output
+
+       %struct.roadlet = type { sbyte*, %struct.vehicle*, [8 x %struct.roadlet*], [8 x %struct.roadlet* (%struct.roadlet*, %struct.vehicle*, int)*] }
+       %struct.vehicle = type { %struct.roadlet*, sbyte*, int, int, %union.._631., int }
+       %union.._631. = type { int }
+
+implementation   ; Functions:
+
+declare %struct.roadlet* %_Z11return_nullP7roadletP7vehicle9direction(%struct.roadlet*, %struct.vehicle*, int)
+
+declare %struct.roadlet* %_Z14lane_switch_okP7roadletP7vehicle9direction(%struct.roadlet*, %struct.vehicle*, int)
+
+void %main() {
+__main.entry:          ; preds = %invoke_cont.1
+       br label %invoke_cont.3
+
+invoke_cont.3:         ; preds = %__main.entry, %invoke_cont.3
+       %tmp.34.i.i502.7 = getelementptr %struct.roadlet* null, int 0, uint 3, int 7            ; <%struct.roadlet* (%struct.roadlet*, %struct.vehicle*, int)**> [#uses=1]
+       store %struct.roadlet* (%struct.roadlet*, %struct.vehicle*, int)* %_Z11return_nullP7roadletP7vehicle9direction, %struct.roadlet* (%struct.roadlet*, %struct.vehicle*, int)** %tmp.34.i.i502.7
+       store %struct.roadlet* (%struct.roadlet*, %struct.vehicle*, int)* %_Z14lane_switch_okP7roadletP7vehicle9direction, %struct.roadlet* (%struct.roadlet*, %struct.vehicle*, int)** null
+       %tmp.4.i.i339 = getelementptr %struct.roadlet* null, int 0, uint 3, int undef           ; <%struct.roadlet* (%struct.roadlet*, %struct.vehicle*, int)**> [#uses=1]
+       store %struct.roadlet* (%struct.roadlet*, %struct.vehicle*, int)* %_Z11return_nullP7roadletP7vehicle9direction, %struct.roadlet* (%struct.roadlet*, %struct.vehicle*, int)** %tmp.4.i.i339
+       br label %invoke_cont.3
+}