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Testcase for pr2169.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49344 91177308-0d34-0410-b5e6-96231b3b80d8
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Duncan Sands 2008-04-07 17:03:16 +00:00
parent 565ada0b35
commit f02a8070eb
1 changed files with 14 additions and 0 deletions
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test/Analysis/Andersens/2008-04-07-Memcpy.ll Normal file
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; RUN: llvm-as < %s | opt -anders-aa -gvn | llvm-dis | not grep undef
; PR2169
declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind
declare void @use(i8)
define void @f(i8* %x) {
entry:
%copy = alloca i8 ; <i8*> [#uses=6]
call void @llvm.memcpy.i32( i8* %copy, i8* %x, i32 1, i32 4 )
%tmp = load i8* %copy ; <i8> [#uses=1]
call void @use(i8 %tmp)
ret void
}