1 ; RUN: opt -S -slp-vectorizer %s -slp-threshold=-10 | FileCheck %s 2 target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" 3 target triple = "aarch64--linux-gnu" 4 5 %structA = type { [2 x float] } 6 7 define void @test1(%structA* nocapture readonly %J, i32 %xmin, i32 %ymin) { 8 ; CHECK-LABEL: test1 9 ; CHECK: %arrayidx4 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 0 10 ; CHECK: %arrayidx9 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 1 11 ; CHECK: %3 = bitcast float* %arrayidx4 to <2 x float>* 12 ; CHECK: %4 = load <2 x float>, <2 x float>* %3, align 4 13 ; CHECK: %5 = fsub fast <2 x float> %2, %4 14 ; CHECK: %6 = fmul fast <2 x float> %5, %5 15 ; CHECK: %7 = extractelement <2 x float> %6, i32 0 16 ; CHECK: %8 = extractelement <2 x float> %6, i32 1 17 ; CHECK: %add = fadd fast float %7, %8 18 ; CHECK: %cmp = fcmp oeq float %add, 0.000000e+00 19 20 entry: 21 br label %for.body3.lr.ph 22 23 for.body3.lr.ph: 24 %conv5 = sitofp i32 %ymin to float 25 %conv = sitofp i32 %xmin to float 26 %arrayidx4 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 0 27 %0 = load float, float* %arrayidx4, align 4 28 %sub = fsub fast float %conv, %0 29 %arrayidx9 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 1 30 %1 = load float, float* %arrayidx9, align 4 31 %sub10 = fsub fast float %conv5, %1 32 %mul11 = fmul fast float %sub, %sub 33 %mul12 = fmul fast float %sub10, %sub10 34 %add = fadd fast float %mul11, %mul12 35 %cmp = fcmp oeq float %add, 0.000000e+00 36 br i1 %cmp, label %for.body3.lr.ph, label %for.end27 37 38 for.end27: 39 ret void 40 } 41 42 define void @test2(%structA* nocapture readonly %J, i32 %xmin, i32 %ymin) { 43 ; CHECK-LABEL: test2 44 ; CHECK: %arrayidx4 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 0 45 ; CHECK: %arrayidx9 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 1 46 ; CHECK: %3 = bitcast float* %arrayidx4 to <2 x float>* 47 ; CHECK: %4 = load <2 x float>, <2 x float>* %3, align 4 48 ; CHECK: %5 = fsub fast <2 x float> %2, %4 49 ; CHECK: %6 = fmul fast <2 x float> %5, %5 50 ; CHECK: %7 = extractelement <2 x float> %6, i32 0 51 ; CHECK: %8 = extractelement <2 x float> %6, i32 1 52 ; CHECK: %add = fadd fast float %8, %7 53 ; CHECK: %cmp = fcmp oeq float %add, 0.000000e+00 54 55 entry: 56 br label %for.body3.lr.ph 57 58 for.body3.lr.ph: 59 %conv5 = sitofp i32 %ymin to float 60 %conv = sitofp i32 %xmin to float 61 %arrayidx4 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 0 62 %0 = load float, float* %arrayidx4, align 4 63 %sub = fsub fast float %conv, %0 64 %arrayidx9 = getelementptr inbounds %structA, %structA* %J, i64 0, i32 0, i64 1 65 %1 = load float, float* %arrayidx9, align 4 66 %sub10 = fsub fast float %conv5, %1 67 %mul11 = fmul fast float %sub, %sub 68 %mul12 = fmul fast float %sub10, %sub10 69 %add = fadd fast float %mul12, %mul11 ;;;<---- Operands commuted!! 70 %cmp = fcmp oeq float %add, 0.000000e+00 71 br i1 %cmp, label %for.body3.lr.ph, label %for.end27 72 73 for.end27: 74 ret void 75 } 76