2018-03-19 21:05:22 +08:00
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; Test memcmp using CLC. In this test case the CLC loop will do all the work
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; and the DoneMBB becomes empty. It will not pass the mischeduling verifiers
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; if DoneMBB does not have CC in its live-in list.
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; RUN: llc < %s -mtriple=s390x-linux-gnu -misched=shuffle | FileCheck %s
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2018-03-20 16:29:19 +08:00
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; REQUIRES: asserts
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2018-03-19 21:05:22 +08:00
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declare i32 @memcmp(i8* nocapture, i8* nocapture, i64)
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define i32 @fun() {
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; CHECK-LABEL: fun
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%call = call signext i32 @memcmp(i8* nonnull undef, i8* nonnull undef, i64 2048)
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%cmp = icmp eq i32 %call, 0
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br i1 %cmp, label %labT, label %labF
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labT:
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ret i32 0
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labF:
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ret i32 1
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}
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