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1; Test memcmp with 0 size.2 3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s4 5declare i32 @memcmp(ptr nocapture, ptr nocapture, i64)6 7define hidden void @fun() {8; CHECK-LABEL: fun9entry:10 %len = extractvalue [2 x i64] zeroinitializer, 111 br i1 undef, label %end, label %call12 13call:14 %res = tail call signext i32 @memcmp(ptr noundef undef, ptr noundef undef, i64 noundef %len)15 unreachable16 17end:18 unreachable19}20