1 ; Test memcmp using CLC. In this test case the CLC loop will do all the work 2 ; and the DoneMBB becomes empty. It will not pass the mischeduling verifiers 3 ; if DoneMBB does not have CC in its live-in list. 4 5 ; RUN: llc < %s -mtriple=s390x-linux-gnu -misched=shuffle | FileCheck %s 6 ; REQUIRES: asserts 7 8 declare i32 @memcmp(i8* nocapture, i8* nocapture, i64) 9 10 define i32 @fun() { 11 ; CHECK-LABEL: fun 12 %call = call signext i32 @memcmp(i8* nonnull undef, i8* nonnull undef, i64 2048) 13 %cmp = icmp eq i32 %call, 0 14 br i1 %cmp, label %labT, label %labF 15 16 labT: 17 ret i32 0 18 19 labF: 20 ret i32 1 21 } 22
