2 ; RUN: opt -S -passes=loop-vectorize -debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,NOVEC
3 ; RUN: opt -S -passes=loop-vectorize -debug-only=loop-vectorize -enable-scalable-autovec-in-streaming-mode < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,VEC
5 target triple = "aarch64-unknown-linux-gnu"
7 define void @normal_function(ptr %a, ptr %b, ptr %c) #0 {
8 ; CHECK: LV: Checking a loop in 'normal_function'
9 ; CHECK: LV: Scalable vectorization is available
14 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
15 %arrayidx = getelementptr inbounds i32, ptr %c, i64 %iv
16 %0 = load i32, ptr %arrayidx, align 4
17 %arrayidx2 = getelementptr inbounds i8, ptr %b, i64 %iv
18 %1 = load i8, ptr %arrayidx2, align 4
19 %zext = zext i8 %1 to i32
20 %add = add nsw i32 %zext, %0
21 %arrayidx5 = getelementptr inbounds i32, ptr %a, i64 %iv
22 store i32 %add, ptr %arrayidx5, align 4
23 %iv.next = add nuw nsw i64 %iv, 1
24 %exitcond.not = icmp eq i64 %iv.next, 1024
25 br i1 %exitcond.not, label %exit, label %loop
31 define void @streaming_function(ptr %a, ptr %b, ptr %c) #0 "aarch64_pstate_sm_enabled" {
32 ; CHECK: LV: Checking a loop in 'streaming_function'
33 ; VEC: LV: Scalable vectorization is available
34 ; NOVEC: LV: Scalable vectorization is explicitly disabled
39 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
40 %arrayidx = getelementptr inbounds i32, ptr %c, i64 %iv
41 %0 = load i32, ptr %arrayidx, align 4
42 %arrayidx2 = getelementptr inbounds i8, ptr %b, i64 %iv
43 %1 = load i8, ptr %arrayidx2, align 4
44 %zext = zext i8 %1 to i32
45 %add = add nsw i32 %zext, %0
46 %arrayidx5 = getelementptr inbounds i32, ptr %a, i64 %iv
47 store i32 %add, ptr %arrayidx5, align 4
48 %iv.next = add nuw nsw i64 %iv, 1
49 %exitcond.not = icmp eq i64 %iv.next, 1024
50 br i1 %exitcond.not, label %exit, label %loop
56 attributes #0 = { vscale_range(1, 16) "target-features"="+sve,+sme" }