llvm-6502/test/CodeGen/X86/2004-02-12-Memcpy.llx
2004-02-12 17:53:43 +00:00

25 lines
1.0 KiB
Plaintext

; RUN: llvm-as < %s | llc -march=x86 | grep movs
declare sbyte* %llvm.memcpy(sbyte* %A, sbyte* %B, uint %amt, uint %align)
%A = global [1000 x int] zeroinitializer
%B = global [1000 x int] zeroinitializer
void %main() {
; dword copy
call sbyte* %llvm.memcpy(sbyte* cast (int* getelementptr ([1000 x int]* %A, long 0, long 0) to sbyte*),
sbyte* cast (int* getelementptr ([1000 x int]* %B, long 0, long 0) to sbyte*),
uint 4000, uint 4)
; word copy
call sbyte* %llvm.memcpy(sbyte* cast (int* getelementptr ([1000 x int]* %A, long 0, long 0) to sbyte*),
sbyte* cast (int* getelementptr ([1000 x int]* %B, long 0, long 0) to sbyte*),
uint 4000, uint 2)
; byte copy
call sbyte* %llvm.memcpy(sbyte* cast (int* getelementptr ([1000 x int]* %A, long 0, long 0) to sbyte*),
sbyte* cast (int* getelementptr ([1000 x int]* %B, long 0, long 0) to sbyte*),
uint 4000, uint 1)
ret void
}