| ; RUN: opt < %s -loop-vectorize -mtriple=aarch64-none-linux-gnu -mattr=+neon -S | FileCheck %s |
| target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" |
| |
| ; Function Attrs: nounwind |
| define i32* @array_add(i32* noalias nocapture readonly %a, i32* noalias nocapture readonly %b, i32* %c, i32 %size) { |
| ;CHECK-LABEL: array_add |
| ;CHECK: load <4 x i32> |
| ;CHECK: load <4 x i32> |
| ;CHECK: load <4 x i32> |
| ;CHECK: load <4 x i32> |
| ;CHECK: add nsw <4 x i32> |
| ;CHECK: add nsw <4 x i32> |
| ;CHECK: store <4 x i32> |
| ;CHECK: store <4 x i32> |
| ;CHECK: ret |
| entry: |
| %cmp10 = icmp sgt i32 %size, 0 |
| br i1 %cmp10, label %for.body.preheader, label %for.end |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv |
| %0 = load i32, i32* %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv |
| %1 = load i32, i32* %arrayidx2, align 4 |
| %add = add nsw i32 %1, %0 |
| %arrayidx4 = getelementptr inbounds i32, i32* %c, i64 %indvars.iv |
| store i32 %add, i32* %arrayidx4, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, %size |
| br i1 %exitcond, label %for.end.loopexit, label %for.body |
| |
| for.end.loopexit: ; preds = %for.body |
| br label %for.end |
| |
| for.end: ; preds = %for.end.loopexit, %entry |
| ret i32* %c |
| } |