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