mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-15 04:08:07 +00:00
43c4361178
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11943 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
541 B
LLVM
18 lines
541 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis
|
|
|
|
declare void %llvm.memmove(sbyte*, sbyte*, uint, uint)
|
|
declare void %llvm.memcpy(sbyte*, sbyte*, uint, uint)
|
|
declare void %llvm.memset(sbyte*, ubyte, uint, uint)
|
|
|
|
%X = global sbyte 0
|
|
%Y = global sbyte 12
|
|
|
|
void %zero_byte_test() {
|
|
; These process zero bytes, so they are a noop.
|
|
call void %llvm.memmove(sbyte* %X, sbyte* %Y, uint 0, uint 100)
|
|
call void %llvm.memcpy(sbyte* %X, sbyte* %Y, uint 0, uint 100)
|
|
call void %llvm.memset(sbyte* %X, ubyte 123, uint 0, uint 100)
|
|
ret void
|
|
}
|
|
|