llvm-for-llvmta/test/CodeGen/SystemZ/memcmp-02.ll

22 lines
588 B
LLVM
Raw Permalink Normal View History

2022-04-25 10:02:23 +02:00
; 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(i8* nocapture, i8* nocapture, i64)
define i32 @fun() {
; CHECK-LABEL: fun
%call = call signext i32 @memcmp(i8* nonnull undef, i8* 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
}