; 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 }