llvm/test/CodeGen/X86/2004-02-12-Memcpy.ll
Chris Lattner 1ce9e00f8b rename *.llx -> *.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49970 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-19 22:29:10 +00:00

26 lines
823 B
LLVM

; RUN: llvm-as < %s | llc -march=x86 -mtriple=i686-pc-linux-gnu | grep movs | count 3
@A = global [32 x i32] zeroinitializer
@B = global [32 x i32] zeroinitializer
declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
define void @main() {
; dword copy
call void @llvm.memcpy.i32(i8* bitcast ([32 x i32]* @A to i8*),
i8* bitcast ([32 x i32]* @B to i8*),
i32 128, i32 4 )
; word copy
call void @llvm.memcpy.i32( i8* bitcast ([32 x i32]* @A to i8*),
i8* bitcast ([32 x i32]* @B to i8*),
i32 128, i32 2 )
; byte copy
call void @llvm.memcpy.i32( i8* bitcast ([32 x i32]* @A to i8*),
i8* bitcast ([32 x i32]* @B to i8*),
i32 128, i32 1 )
ret void
}