| ; RUN: opt -S -basicaa -slp-vectorizer -dce < %s | FileCheck %s |
| target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| target triple = "arm64-apple-ios5.0.0" |
| |
| ; CHECK-LABEL: @foo |
| define void @foo(float* noalias %a, float* noalias %b, float* noalias %c) { |
| entry: |
| ; Check that we don't lose !nontemporal hint when vectorizing loads. |
| ; CHECK: %{{[0-9]*}} = load <4 x float>, <4 x float>* %{{[0-9]+}}, align 4, !nontemporal !0 |
| %b1 = load float, float* %b, align 4, !nontemporal !0 |
| %arrayidx.1 = getelementptr inbounds float, float* %b, i64 1 |
| %b2 = load float, float* %arrayidx.1, align 4, !nontemporal !0 |
| %arrayidx.2 = getelementptr inbounds float, float* %b, i64 2 |
| %b3 = load float, float* %arrayidx.2, align 4, !nontemporal !0 |
| %arrayidx.3 = getelementptr inbounds float, float* %b, i64 3 |
| %b4 = load float, float* %arrayidx.3, align 4, !nontemporal !0 |
| |
| ; Check that we don't introduce !nontemporal hint when the original scalar loads didn't have it. |
| ; CHECK: %{{[0-9]*}} = load <4 x float>, <4 x float>* %{{[0-9]+}}, align 4{{$}} |
| %c1 = load float, float* %c, align 4 |
| %arrayidx2.1 = getelementptr inbounds float, float* %c, i64 1 |
| %c2 = load float, float* %arrayidx2.1, align 4 |
| %arrayidx2.2 = getelementptr inbounds float, float* %c, i64 2 |
| %c3 = load float, float* %arrayidx2.2, align 4 |
| %arrayidx2.3 = getelementptr inbounds float, float* %c, i64 3 |
| %c4 = load float, float* %arrayidx2.3, align 4 |
| |
| %a1 = fadd float %b1, %c1 |
| %a2 = fadd float %b2, %c2 |
| %a3 = fadd float %b3, %c3 |
| %a4 = fadd float %b4, %c4 |
| |
| ; Check that we don't lose !nontemporal hint when vectorizing stores. |
| ; CHECK: store <4 x float> %{{[0-9]+}}, <4 x float>* %{{[0-9]+}}, align 4, !nontemporal !0 |
| store float %a1, float* %a, align 4, !nontemporal !0 |
| %arrayidx3.1 = getelementptr inbounds float, float* %a, i64 1 |
| store float %a2, float* %arrayidx3.1, align 4, !nontemporal !0 |
| %arrayidx3.2 = getelementptr inbounds float, float* %a, i64 2 |
| store float %a3, float* %arrayidx3.2, align 4, !nontemporal !0 |
| %arrayidx3.3 = getelementptr inbounds float, float* %a, i64 3 |
| store float %a4, float* %arrayidx3.3, align 4, !nontemporal !0 |
| |
| ; CHECK: ret void |
| ret void |
| } |
| |
| ; CHECK-LABEL: @foo2 |
| define void @foo2(float* noalias %a, float* noalias %b) { |
| entry: |
| ; Check that we don't mark vector load with !nontemporal attribute if some of |
| ; the original scalar loads don't have it. |
| ; CHECK: %{{[0-9]*}} = load <4 x float>, <4 x float>* %{{[0-9]+}}, align 4{{$}} |
| %b1 = load float, float* %b, align 4, !nontemporal !0 |
| %arrayidx.1 = getelementptr inbounds float, float* %b, i64 1 |
| %b2 = load float, float* %arrayidx.1, align 4 |
| %arrayidx.2 = getelementptr inbounds float, float* %b, i64 2 |
| %b3 = load float, float* %arrayidx.2, align 4 |
| %arrayidx.3 = getelementptr inbounds float, float* %b, i64 3 |
| %b4 = load float, float* %arrayidx.3, align 4, !nontemporal !0 |
| |
| ; Check that we don't mark vector store with !nontemporal attribute if some of |
| ; the original scalar stores don't have it. |
| ; CHECK: store <4 x float> %{{[0-9]+}}, <4 x float>* %{{[0-9]+}}, align 4{{$}} |
| store float %b1, float* %a, align 4, !nontemporal !0 |
| %arrayidx3.1 = getelementptr inbounds float, float* %a, i64 1 |
| store float %b2, float* %arrayidx3.1, align 4 |
| %arrayidx3.2 = getelementptr inbounds float, float* %a, i64 2 |
| store float %b3, float* %arrayidx3.2, align 4 |
| %arrayidx3.3 = getelementptr inbounds float, float* %a, i64 3 |
| store float %b4, float* %arrayidx3.3, align 4, !nontemporal !0 |
| |
| ; CHECK: ret void |
| ret void |
| } |
| |
| !0 = !{i32 1} |