1 ; RUN: llc < %s -march=xcore | FileCheck %s
3 ; Optimize memcpy to __memcpy_4 if src, dst and size are all 4 byte aligned.
4 define void @f1(i8* %dst, i8* %src, i32 %n) nounwind {
9 call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %dst, i8* align 4 %src, i32 %0, i1 false)
13 ; Can't optimize - size is not a multiple of 4.
14 define void @f2(i8* %dst, i8* %src, i32 %n) nounwind {
18 call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %dst, i8* align 4 %src, i32 %n, i1 false)
22 ; Can't optimize - alignment is not a multiple of 4.
23 define void @f3(i8* %dst, i8* %src, i32 %n) nounwind {
28 call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 2 %dst, i8* align 2 %src, i32 %0, i1 false)
32 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1) nounwind