--- /dev/null
+; Test that the StrCatOptimizer works correctly
+; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | grep strlen
+; XFAIL: *
+
+declare sbyte* %strcat(sbyte*,sbyte*)
+%hello = constant [6 x sbyte] c"hello\00"
+
+implementation ; Functions:
+
+int %main () {
+ %target = alloca [1024 x sbyte]
+ %arg1 = getelementptr [1024 x sbyte]* %target, int 0, int 0
+ %arg2 = getelementptr [6 x sbyte]* %hello, int 0, int 0
+ %rslt = call sbyte* %strcat(sbyte* %arg1, sbyte* %arg2)
+ ret int 0
+}