; Test memcmp using CLC. In this test case the CLC loop will do all the work | |
; and the DoneMBB becomes empty. It will not pass the mischeduling verifiers | |
; if DoneMBB does not have CC in its live-in list. | |
; RUN: llc < %s -mtriple=s390x-linux-gnu -misched=shuffle | FileCheck %s | |
; REQUIRES: asserts | |
declare i32 @memcmp(ptr nocapture, ptr nocapture, i64) | |
define i32 @fun() { | |
; CHECK-LABEL: fun | |
%call = call signext i32 @memcmp(ptr nonnull undef, ptr nonnull undef, i64 2048) | |
%cmp = icmp eq i32 %call, 0 | |
br i1 %cmp, label %labT, label %labF | |
labT: | |
ret i32 0 | |
labF: | |
ret i32 1 | |
} |