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6d024c616a
This reverts commit r253511. This likely broke the bots in http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/20202 http://bb.pgr.jp/builders/clang-3stage-i686-linux/builds/3787 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253543 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
893 B
LLVM
25 lines
893 B
LLVM
; RUN: opt < %s -S -basicaa -memcpyopt | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @test(i8* noalias dereferenceable(1) %in, i8* noalias dereferenceable(1) %out) {
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%tmp = alloca i8
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%tmp2 = alloca i8
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; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %in, i64 1, i32 8, i1 false)
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* %in, i64 1, i32 8, i1 false), !alias.scope !4
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp2, i8* %tmp, i64 1, i32 8, i1 false), !alias.scope !5
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %tmp2, i64 1, i32 8, i1 false), !noalias !6
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1)
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!0 = !{!0}
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!1 = distinct !{!1, !0, !"in"}
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!2 = distinct !{!2, !0, !"tmp"}
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!3 = distinct !{!3, !0, !"tmp2"}
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!4 = distinct !{!1, !2}
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!5 = distinct !{!2, !3}
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!6 = distinct !{!1, !2}
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