llvm-project/llvm/test/CodeGen/X86/memmove-0.ll

; RUN: llc < %s -march=x86 -mtriple=i686-pc-linux-gnu | grep {call	memcpy}

declare void @llvm.memmove.i64(i8* %d, i8* %s, i64 %l, i32 %a)

define void @foo(i8* noalias %d, i8* noalias %s, i64 %l)
{
  call void @llvm.memmove.i64(i8* %d, i8* %s, i64 %l, i32 1)
  ret void
}
Eliminate more uses of llvm-as and llvm-dis. llvm-svn: 81290 2009-09-09 07:54:48 +08:00			`; RUN: llc < %s -march=x86 -mtriple=i686-pc-linux-gnu \| grep {call memcpy}`
If the source and destination pointers in an llvm.memmove are known to not alias each other, it can be translated as an llvm.memcpy. llvm-svn: 41489 2007-08-28 00:26:13 +08:00
			`declare void @llvm.memmove.i64(i8* %d, i8* %s, i64 %l, i32 %a)`

			`define void @foo(i8* noalias %d, i8* noalias %s, i64 %l)`
			`{`
			`call void @llvm.memmove.i64(i8* %d, i8* %s, i64 %l, i32 1)`
			`ret void`
			`}`