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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
20 lines
703 B
LLVM
20 lines
703 B
LLVM
; RUN: opt < %s -instcombine | llvm-dis
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@X = global i8 0 ; <i8*> [#uses=3]
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@Y = global i8 12 ; <i8*> [#uses=2]
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declare void @llvm.memmove.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
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declare void @llvm.memset.p0i8.i32(i8*, i8, i32, i32, i1)
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define void @zero_byte_test() {
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; These process zero bytes, so they are a noop.
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call void @llvm.memmove.p0i8.p0i8.i32( i8* @X, i8* @Y, i32 0, i32 128, i1 false )
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call void @llvm.memcpy.p0i8.p0i8.i32( i8* @X, i8* @Y, i32 0, i32 128, i1 false )
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call void @llvm.memset.p0i8.i32( i8* @X, i8 123, i32 0, i32 128, i1 false )
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ret void
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}
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