1 ; Test memcmp with 0 size.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
6 declare i32 @memcmp(i8* nocapture, i8* nocapture, i64)
8 define hidden void @fun() {
11 %len = extractvalue [2 x i64] zeroinitializer, 1
12 br i1 undef, label %end, label %call
15 %res = tail call signext i32 @memcmp(i8* noundef undef, i8* noundef undef, i64 noundef %len)