1 ; Test memcmp with 0 size.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5 declare i32 @memcmp(ptr nocapture, ptr nocapture, i64)
7 define hidden void @fun() {
10 %len = extractvalue [2 x i64] zeroinitializer, 1
11 br i1 undef, label %end, label %call
14 %res = tail call signext i32 @memcmp(ptr noundef undef, ptr noundef undef, i64 noundef %len)