1 ; RUN: opt < %s -basicaa -slp-vectorizer -slp-threshold=-100 -instcombine -dce -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s 2 3 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128" 4 5 6 7 ; Make sure we order the operands of commutative operations so that we get 8 ; bigger vectorizable trees. 9 10 ; CHECK-LABEL: shuffle_operands1 11 ; CHECK: load <2 x double> 12 ; CHECK: fadd <2 x double> 13 14 define void @shuffle_operands1(double * noalias %from, double * noalias %to, 15 double %v1, double %v2) { 16 %from_1 = getelementptr double *%from, i64 1 17 %v0_1 = load double * %from 18 %v0_2 = load double * %from_1 19 %v1_1 = fadd double %v0_1, %v1 20 %v1_2 = fadd double %v2, %v0_2 21 %to_2 = getelementptr double * %to, i64 1 22 store double %v1_1, double *%to 23 store double %v1_2, double *%to_2 24 ret void 25 } 26 27 ; CHECK-LABEL: shuffle_preserve_broadcast 28 ; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1 29 ; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1 30 define void @shuffle_preserve_broadcast(double * noalias %from, 31 double * noalias %to, 32 double %v1, double %v2) { 33 entry: 34 br label %lp 35 36 lp: 37 %p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ] 38 %from_1 = getelementptr double *%from, i64 1 39 %v0_1 = load double * %from 40 %v0_2 = load double * %from_1 41 %v1_1 = fadd double %v0_1, %p 42 %v1_2 = fadd double %v0_1, %v0_2 43 %to_2 = getelementptr double * %to, i64 1 44 store double %v1_1, double *%to 45 store double %v1_2, double *%to_2 46 br i1 undef, label %lp, label %ext 47 48 ext: 49 ret void 50 } 51 52 ; CHECK-LABEL: shuffle_preserve_broadcast2 53 ; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1 54 ; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1 55 define void @shuffle_preserve_broadcast2(double * noalias %from, 56 double * noalias %to, 57 double %v1, double %v2) { 58 entry: 59 br label %lp 60 61 lp: 62 %p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ] 63 %from_1 = getelementptr double *%from, i64 1 64 %v0_1 = load double * %from 65 %v0_2 = load double * %from_1 66 %v1_1 = fadd double %p, %v0_1 67 %v1_2 = fadd double %v0_2, %v0_1 68 %to_2 = getelementptr double * %to, i64 1 69 store double %v1_1, double *%to 70 store double %v1_2, double *%to_2 71 br i1 undef, label %lp, label %ext 72 73 ext: 74 ret void 75 } 76 77 ; CHECK-LABEL: shuffle_preserve_broadcast3 78 ; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1 79 ; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1 80 define void @shuffle_preserve_broadcast3(double * noalias %from, 81 double * noalias %to, 82 double %v1, double %v2) { 83 entry: 84 br label %lp 85 86 lp: 87 %p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ] 88 %from_1 = getelementptr double *%from, i64 1 89 %v0_1 = load double * %from 90 %v0_2 = load double * %from_1 91 %v1_1 = fadd double %p, %v0_1 92 %v1_2 = fadd double %v0_1, %v0_2 93 %to_2 = getelementptr double * %to, i64 1 94 store double %v1_1, double *%to 95 store double %v1_2, double *%to_2 96 br i1 undef, label %lp, label %ext 97 98 ext: 99 ret void 100 } 101 102 103 ; CHECK-LABEL: shuffle_preserve_broadcast4 104 ; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1 105 ; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1 106 define void @shuffle_preserve_broadcast4(double * noalias %from, 107 double * noalias %to, 108 double %v1, double %v2) { 109 entry: 110 br label %lp 111 112 lp: 113 %p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ] 114 %from_1 = getelementptr double *%from, i64 1 115 %v0_1 = load double * %from 116 %v0_2 = load double * %from_1 117 %v1_1 = fadd double %v0_2, %v0_1 118 %v1_2 = fadd double %p, %v0_1 119 %to_2 = getelementptr double * %to, i64 1 120 store double %v1_1, double *%to 121 store double %v1_2, double *%to_2 122 br i1 undef, label %lp, label %ext 123 124 ext: 125 ret void 126 } 127 128 ; CHECK-LABEL: shuffle_preserve_broadcast5 129 ; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1 130 ; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1 131 define void @shuffle_preserve_broadcast5(double * noalias %from, 132 double * noalias %to, 133 double %v1, double %v2) { 134 entry: 135 br label %lp 136 137 lp: 138 %p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ] 139 %from_1 = getelementptr double *%from, i64 1 140 %v0_1 = load double * %from 141 %v0_2 = load double * %from_1 142 %v1_1 = fadd double %v0_1, %v0_2 143 %v1_2 = fadd double %p, %v0_1 144 %to_2 = getelementptr double * %to, i64 1 145 store double %v1_1, double *%to 146 store double %v1_2, double *%to_2 147 br i1 undef, label %lp, label %ext 148 149 ext: 150 ret void 151 } 152 153 154 ; CHECK-LABEL: shuffle_preserve_broadcast6 155 ; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1 156 ; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1 157 define void @shuffle_preserve_broadcast6(double * noalias %from, 158 double * noalias %to, 159 double %v1, double %v2) { 160 entry: 161 br label %lp 162 163 lp: 164 %p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ] 165 %from_1 = getelementptr double *%from, i64 1 166 %v0_1 = load double * %from 167 %v0_2 = load double * %from_1 168 %v1_1 = fadd double %v0_1, %v0_2 169 %v1_2 = fadd double %v0_1, %p 170 %to_2 = getelementptr double * %to, i64 1 171 store double %v1_1, double *%to 172 store double %v1_2, double *%to_2 173 br i1 undef, label %lp, label %ext 174 175 ext: 176 ret void 177 } 178 179 ; Make sure we don't scramble operands when we reorder them and destroy 180 ; 'good' source order. 181 182 ; CHECK-LABEL: good_load_order 183 184 ; CHECK: %[[V1:[0-9]+]] = load <4 x float>* 185 ; CHECK: %[[V2:[0-9]+]] = insertelement <4 x float> undef, float %1, i32 0 186 ; CHECK: %[[V3:[0-9]+]] = shufflevector <4 x float> %[[V2]], <4 x float> %[[V1]], <4 x i32> <i32 0, i32 4, i32 5, i32 6> 187 ; CHECK: = fmul <4 x float> %[[V1]], %[[V3]] 188 189 @a = common global [32000 x float] zeroinitializer, align 16 190 191 define void @good_load_order() { 192 entry: 193 br label %for.cond1.preheader 194 195 for.cond1.preheader: 196 %0 = load float* getelementptr inbounds ([32000 x float]* @a, i64 0, i64 0), align 16 197 br label %for.body3 198 199 for.body3: 200 %1 = phi float [ %0, %for.cond1.preheader ], [ %10, %for.body3 ] 201 %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.body3 ] 202 %2 = add nsw i64 %indvars.iv, 1 203 %arrayidx = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %2 204 %3 = load float* %arrayidx, align 4 205 %arrayidx5 = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %indvars.iv 206 %mul6 = fmul float %3, %1 207 store float %mul6, float* %arrayidx5, align 4 208 %4 = add nsw i64 %indvars.iv, 2 209 %arrayidx11 = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %4 210 %5 = load float* %arrayidx11, align 4 211 %mul15 = fmul float %5, %3 212 store float %mul15, float* %arrayidx, align 4 213 %6 = add nsw i64 %indvars.iv, 3 214 %arrayidx21 = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %6 215 %7 = load float* %arrayidx21, align 4 216 %mul25 = fmul float %7, %5 217 store float %mul25, float* %arrayidx11, align 4 218 %8 = add nsw i64 %indvars.iv, 4 219 %arrayidx31 = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %8 220 %9 = load float* %arrayidx31, align 4 221 %mul35 = fmul float %9, %7 222 store float %mul35, float* %arrayidx21, align 4 223 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 5 224 %arrayidx41 = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %indvars.iv.next 225 %10 = load float* %arrayidx41, align 4 226 %mul45 = fmul float %10, %9 227 store float %mul45, float* %arrayidx31, align 4 228 %11 = trunc i64 %indvars.iv.next to i32 229 %cmp2 = icmp slt i32 %11, 31995 230 br i1 %cmp2, label %for.body3, label %for.end 231 232 for.end: 233 ret void 234 } 235
