1 ; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -instcombine -S | FileCheck %s 2 3 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 4 target triple = "arm64-apple-ios5.0.0" 5 6 ; CHECK-LABEL: @foo( 7 define void @foo(float* noalias %a, float* noalias %b, float* noalias %c, i32 %N) { 8 entry: 9 %cmp.4 = icmp sgt i32 %N, 0 10 br i1 %cmp.4, label %for.body.preheader, label %for.end 11 12 for.body.preheader: ; preds = %entry 13 br label %for.body 14 15 for.body: ; preds = %for.body.preheader, %for.body 16 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] 17 18 ; Check that we don't lose !nontemporal hint when vectorizing loads. 19 ; CHECK: %wide.load{{[0-9]*}} = load <4 x float>, <4 x float>* %{{[0-9]+}}, align 4, !nontemporal !0 20 %arrayidx = getelementptr inbounds float, float* %b, i64 %indvars.iv 21 %0 = load float, float* %arrayidx, align 4, !nontemporal !0 22 23 ; Check that we don't introduce !nontemporal hint when the original scalar loads didn't have it. 24 ; CHECK: %wide.load{{[0-9]+}} = load <4 x float>, <4 x float>* %{{[0-9]+}}, align 4{{$}} 25 %arrayidx2 = getelementptr inbounds float, float* %c, i64 %indvars.iv 26 %1 = load float, float* %arrayidx2, align 4 27 %add = fadd float %0, %1 28 29 ; Check that we don't lose !nontemporal hint when vectorizing stores. 30 ; CHECK: store <4 x float> %{{[0-9]+}}, <4 x float>* %{{[0-9]+}}, align 4, !nontemporal !0 31 %arrayidx4 = getelementptr inbounds float, float* %a, i64 %indvars.iv 32 store float %add, float* %arrayidx4, align 4, !nontemporal !0 33 34 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 35 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 36 %exitcond = icmp eq i32 %lftr.wideiv, %N 37 br i1 %exitcond, label %for.end.loopexit, label %for.body 38 39 for.end.loopexit: ; preds = %for.body 40 br label %for.end 41 42 for.end: ; preds = %for.end.loopexit, %entry 43 ; CHECK: ret void 44 ret void 45 } 46 47 !0 = !{i32 1} 48
