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c570487d45
memcpy/memmove'd into or out of. This fixes a serious perf issue that Nate ran into. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66366 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
707 B
LLVM
18 lines
707 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 [200 x i8] ; <[100 x i8]*> [#uses=2]
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%temp1 = bitcast [200 x i8]* %temp to i8* ; <i8*> [#uses=1]
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call void @llvm.memcpy.i32( i8* %temp1, i8* %src, i32 200, i32 1 )
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%temp3 = bitcast [200 x i8]* %temp to i8* ; <i8*> [#uses=1]
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call void @llvm.memcpy.i32( i8* %dst, i8* %temp3, i32 200, 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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