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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
32 lines
1.1 KiB
LLVM
32 lines
1.1 KiB
LLVM
; RUN: opt < %s -instcombine -disable-output
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; Checks that bitcasts are not converted into GEP when
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; when the size of an aggregate cannot be determined.
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%swift.opaque = type opaque
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%SQ = type <{ [8 x i8] }>
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%Si = type <{ i64 }>
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%V = type <{ <{ %Vs4Int8, %Vs4Int8, %Vs4Int8, %Vs4Int8, %Vs4Int8, %Vs4Int8, %Vs4Int8, %Vs4Int8 }>, %Si, %SQ, %SQ, %Si, %swift.opaque }>
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%Vs4Int8 = type <{ i8 }>
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%swift.type = type { i64 }
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #8
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@_swift_slowAlloc = external global i8* (i64, i64)*
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declare i8* @rt_swift_slowAlloc(i64, i64)
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define %swift.opaque* @_TwTkV([24 x i8]* %dest, %swift.opaque* %src,
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%swift.type* %bios_boot_params) #0 {
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entry:
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%0 = bitcast %swift.opaque* %src to %V*
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%1 = call noalias i8* @rt_swift_slowAlloc(i64 40, i64 0) #11
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%2 = bitcast [24 x i8]* %dest to i8**
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store i8* %1, i8** %2, align 8
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%3 = bitcast i8* %1 to %V*
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%4 = bitcast %V* %3 to i8*
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%5 = bitcast %V* %0 to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %4, i8* %5, i64 40, i1 false)
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%6 = bitcast %V* %3 to %swift.opaque*
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ret %swift.opaque* %6
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}
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