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963a97f1a3
structures. Its default threshold is to promote things that are smaller than 128 bytes, which is sane. However, it is not sane to do this for things that turn into 128 *registers*. Add a cap on the number of registers introduced, defaulting to 128/4=32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52611 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
766 B
LLVM
19 lines
766 B
LLVM
; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | grep {call.*mem}
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; PR2369
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin8"
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define void @memtest1(i8* %dst, i8* %src) nounwind {
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entry:
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%temp = alloca [100 x i8] ; <[100 x i8]*> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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%temp1 = bitcast [100 x i8]* %temp to i8* ; <i8*> [#uses=1]
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call void @llvm.memcpy.i32( i8* %temp1, i8* %src, i32 100, i32 1 )
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%temp3 = bitcast [100 x i8]* %temp to i8* ; <i8*> [#uses=1]
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call void @llvm.memcpy.i32( i8* %dst, i8* %temp3, i32 100, i32 1 )
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ret void
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}
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declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind
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