1 files changed, 6 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyLibCalls/StrLen.ll b/test/Transforms/SimplifyLibCalls/StrLen.ll
index 45b349d..acd8aaf 100644
--- a/test/Transforms/SimplifyLibCalls/StrLen.ll
+++ b/test/Transforms/SimplifyLibCalls/StrLen.ll
@@ -6,6 +6,7 @@ target datalayout = "e-p:32:32"
 @hello = constant [6 x i8] c"hello\00"		; <[6 x i8]*> [#uses=3]
 @null = constant [1 x i8] zeroinitializer		; <[1 x i8]*> [#uses=3]
 @null_hello = constant [7 x i8] c"\00hello\00"		; <[7 x i8]*> [#uses=1]
+@nullstring = constant i8 0
 
 declare i32 @strlen(i8*)
 
@@ -54,3 +55,8 @@ define i1 @test7() {
 	%ne_null = icmp ne i32 %null_l, 0		; <i1> [#uses=1]
 	ret i1 %ne_null
 }
+
+define i32 @test8() {
+	%len = tail call i32 @strlen(i8* @nullstring) nounwind
+	ret i32 %len
+}