llvm-6502/test/Analysis/DSGraph/2004-02-13-memcpy.ll
Chris Lattner c201a7a911 Right, memcpy READS memory too :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11373 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 16:09:37 +00:00

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LLVM

; RUN: analyze %s -datastructure-gc -dsgc-check-flags=X:SMR
declare void %llvm.memcpy(sbyte*, sbyte*, uint, uint)
void %test() {
%X = alloca int
%Y = alloca int
%x = cast int* %X to sbyte*
%y = cast int* %Y to sbyte*
store int 4, int* %X
call void %llvm.memcpy(sbyte* %x, sbyte* %y, uint 4, uint 4)
ret void
}