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llvm-mirror/test/Analysis/Andersens/2008-04-07-Memcpy.ll
Duncan Sands 79af9d68ec Testcase for pr2169.
llvm-svn: 49344
2008-04-07 17:03:16 +00:00

15 lines
430 B
LLVM

; 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
}