mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-10 17:07:06 +00:00
36a0947820
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
463 B
LLVM
18 lines
463 B
LLVM
; RUN: llc < %s -march=x86-64 | grep call.*memcpy | count 2
|
|
|
|
declare void @llvm.memcpy.i64(i8*, i8*, i64, i32)
|
|
|
|
define i8* @my_memcpy(i8* %a, i8* %b, i64 %n) {
|
|
entry:
|
|
tail call void @llvm.memcpy.i64( i8* %a, i8* %b, i64 %n, i32 1 )
|
|
ret i8* %a
|
|
}
|
|
|
|
define i8* @my_memcpy2(i64* %a, i64* %b, i64 %n) {
|
|
entry:
|
|
%tmp14 = bitcast i64* %a to i8*
|
|
%tmp25 = bitcast i64* %b to i8*
|
|
tail call void @llvm.memcpy.i64(i8* %tmp14, i8* %tmp25, i64 %n, i32 8 )
|
|
ret i8* %tmp14
|
|
}
|