1 ; RUN: opt -march=hexagon -hexagon-loop-idiom -S < %s | FileCheck %s
3 ; Make sure we don't convert load/store loops into memcpy if the access type
4 ; is a vector. Using vector instructions is generally better in such cases.
6 ; CHECK-NOT: @llvm.memcpy
10 define void @f0(%s.0* noalias %a0, %s.0* noalias %a1) #0 align 2 {
12 br i1 undef, label %b1, label %b2
14 b1: ; preds = %b1, %b0
15 %v0 = phi i32 [ %v7, %b1 ], [ 0, %b0 ]
16 %v1 = mul nuw nsw i32 %v0, 64
17 %v2 = getelementptr %s.0, %s.0* %a0, i32 %v1
18 %v3 = getelementptr %s.0, %s.0* %a1, i32 %v1
19 %v4 = bitcast %s.0* %v2 to <64 x i32>*
20 %v5 = load <64 x i32>, <64 x i32>* %v4, align 256
21 %v6 = bitcast %s.0* %v3 to <64 x i32>*
22 store <64 x i32> %v5, <64 x i32>* %v6, align 256
23 %v7 = add nuw nsw i32 %v0, 1
24 br i1 undef, label %b1, label %b2
26 b2: ; preds = %b1, %b0
30 attributes #0 = { "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length64b" }