| ; RUN: opt -S -slp-vectorizer %s -slp-threshold=-10 | FileCheck %s |
| target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64--linux-gnu" |
| |
| %structA = type { [2 x float] } |
| |
| define void @test1(%structA* nocapture readonly %J, i32 %xmin, i32 %ymin) { |
| ; CHECK-LABEL: test1 |
| ; CHECK: %arrayidx4 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 0 |
| ; CHECK: %arrayidx9 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 1 |
| ; CHECK: %3 = bitcast float* %arrayidx4 to <2 x float>* |
| ; CHECK: %4 = load <2 x float>, <2 x float>* %3, align 4 |
| ; CHECK: %5 = fsub fast <2 x float> %2, %4 |
| ; CHECK: %6 = fmul fast <2 x float> %5, %5 |
| ; CHECK: %7 = extractelement <2 x float> %6, i32 0 |
| ; CHECK: %8 = extractelement <2 x float> %6, i32 1 |
| ; CHECK: %add = fadd fast float %7, %8 |
| ; CHECK: %cmp = fcmp oeq float %add, 0.000000e+00 |
| |
| entry: |
| br label %for.body3.lr.ph |
| |
| for.body3.lr.ph: |
| %conv5 = sitofp i32 %ymin to float |
| %conv = sitofp i32 %xmin to float |
| %arrayidx4 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 0 |
| %0 = load float, float* %arrayidx4, align 4 |
| %sub = fsub fast float %conv, %0 |
| %arrayidx9 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 1 |
| %1 = load float, float* %arrayidx9, align 4 |
| %sub10 = fsub fast float %conv5, %1 |
| %mul11 = fmul fast float %sub, %sub |
| %mul12 = fmul fast float %sub10, %sub10 |
| %add = fadd fast float %mul11, %mul12 |
| %cmp = fcmp oeq float %add, 0.000000e+00 |
| br i1 %cmp, label %for.body3.lr.ph, label %for.end27 |
| |
| for.end27: |
| ret void |
| } |
| |
| define void @test2(%structA* nocapture readonly %J, i32 %xmin, i32 %ymin) { |
| ; CHECK-LABEL: test2 |
| ; CHECK: %arrayidx4 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 0 |
| ; CHECK: %arrayidx9 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 1 |
| ; CHECK: %3 = bitcast float* %arrayidx4 to <2 x float>* |
| ; CHECK: %4 = load <2 x float>, <2 x float>* %3, align 4 |
| ; CHECK: %5 = fsub fast <2 x float> %2, %4 |
| ; CHECK: %6 = fmul fast <2 x float> %5, %5 |
| ; CHECK: %7 = extractelement <2 x float> %6, i32 0 |
| ; CHECK: %8 = extractelement <2 x float> %6, i32 1 |
| ; CHECK: %add = fadd fast float %8, %7 |
| ; CHECK: %cmp = fcmp oeq float %add, 0.000000e+00 |
| |
| entry: |
| br label %for.body3.lr.ph |
| |
| for.body3.lr.ph: |
| %conv5 = sitofp i32 %ymin to float |
| %conv = sitofp i32 %xmin to float |
| %arrayidx4 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 0 |
| %0 = load float, float* %arrayidx4, align 4 |
| %sub = fsub fast float %conv, %0 |
| %arrayidx9 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 1 |
| %1 = load float, float* %arrayidx9, align 4 |
| %sub10 = fsub fast float %conv5, %1 |
| %mul11 = fmul fast float %sub, %sub |
| %mul12 = fmul fast float %sub10, %sub10 |
| %add = fadd fast float %mul12, %mul11 ;;;<---- Operands commuted!! |
| %cmp = fcmp oeq float %add, 0.000000e+00 |
| br i1 %cmp, label %for.body3.lr.ph, label %for.end27 |
| |
| for.end27: |
| ret void |
| } |