1; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck --check-prefix VEC4_INTERL1 %s 2; RUN: opt < %s -loop-vectorize -force-vector-interleave=2 -force-vector-width=4 -dce -instcombine -S | FileCheck --check-prefix VEC4_INTERL2 %s 3; RUN: opt < %s -loop-vectorize -force-vector-interleave=2 -force-vector-width=1 -dce -instcombine -S | FileCheck --check-prefix VEC1_INTERL2 %s 4; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=2 -dce -simplifycfg -instcombine -simplifycfg -keep-loops=false -S | FileCheck --check-prefix VEC2_INTERL1_PRED_STORE %s 5 6@fp_inc = common global float 0.000000e+00, align 4 7 8;void fp_iv_loop1(float init, float * __restrict__ A, int N) { 9; float x = init; 10; for (int i=0; i < N; ++i) { 11; A[i] = x; 12; x -= fp_inc; 13; } 14;} 15 16; VEC4_INTERL1-LABEL: @fp_iv_loop1( 17; VEC4_INTERL1: vector.ph: 18; VEC4_INTERL1: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> undef, float %init, i32 0 19; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> undef, <4 x i32> zeroinitializer 20; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> undef, float %fpinc, i32 0 21; VEC4_INTERL1-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT2]], <4 x float> undef, <4 x i32> zeroinitializer 22; VEC4_INTERL1-NEXT: [[TMP5:%.*]] = fmul fast <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00> 23; VEC4_INTERL1-NEXT: [[INDUCTION4:%.*]] = fsub fast <4 x float> [[DOTSPLAT]], [[TMP5]] 24; VEC4_INTERL1-NEXT: [[TMP6:%.*]] = fmul fast float %fpinc, 4.000000e+00 25; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <4 x float> undef, float [[TMP6]], i32 0 26; VEC4_INTERL1-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT5]], <4 x float> undef, <4 x i32> zeroinitializer 27; VEC4_INTERL1-NEXT: br label %vector.body 28; VEC4_INTERL1: vector.body: 29; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] 30; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION4]], %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ] 31; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] 32; VEC4_INTERL1-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <4 x float>* 33; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP9]], align 4 34; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4 35; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fsub fast <4 x float> [[VEC_IND]], [[DOTSPLAT6]] 36; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body 37 38; VEC4_INTERL2-LABEL: @fp_iv_loop1( 39; VEC4_INTERL2: vector.ph: 40; VEC4_INTERL2: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> undef, float %init, i32 0 41; VEC4_INTERL2-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> undef, <4 x i32> zeroinitializer 42; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT3:%.*]] = insertelement <4 x float> undef, float %fpinc, i32 0 43; VEC4_INTERL2-NEXT: [[DOTSPLAT4:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT3]], <4 x float> undef, <4 x i32> zeroinitializer 44; VEC4_INTERL2-NEXT: [[TMP5:%.*]] = fmul fast <4 x float> [[DOTSPLAT4]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00> 45; VEC4_INTERL2-NEXT: [[INDUCTION5:%.*]] = fsub fast <4 x float> [[DOTSPLAT]], [[TMP5]] 46; VEC4_INTERL2-NEXT: [[TMP6:%.*]] = fmul fast float %fpinc, 4.000000e+00 47; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT6:%.*]] = insertelement <4 x float> undef, float [[TMP6]], i32 0 48; VEC4_INTERL2-NEXT: [[DOTSPLAT7:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT6]], <4 x float> undef, <4 x i32> zeroinitializer 49; VEC4_INTERL2-NEXT: br label %vector.body 50; VEC4_INTERL2: vector.body: 51; VEC4_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] 52; VEC4_INTERL2-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION5]], %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ] 53; VEC4_INTERL2-NEXT: [[STEP_ADD:%.*]] = fsub fast <4 x float> [[VEC_IND]], [[DOTSPLAT7]] 54; VEC4_INTERL2-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] 55; VEC4_INTERL2-NEXT: [[TMP10:%.*]] = bitcast float* [[TMP9]] to <4 x float>* 56; VEC4_INTERL2-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP10]], align 4 57; VEC4_INTERL2-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* [[TMP9]], i64 4 58; VEC4_INTERL2-NEXT: [[TMP12:%.*]] = bitcast float* [[TMP11]] to <4 x float>* 59; VEC4_INTERL2-NEXT: store <4 x float> [[STEP_ADD]], <4 x float>* [[TMP12]], align 4 60; VEC4_INTERL2-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 8 61; VEC4_INTERL2-NEXT: [[VEC_IND_NEXT]] = fsub fast <4 x float> [[STEP_ADD]], [[DOTSPLAT7]] 62; VEC4_INTERL2: br i1 {{.*}}, label %middle.block, label %vector.body 63 64; VEC1_INTERL2-LABEL: @fp_iv_loop1( 65; VEC1_INTERL2: vector.ph: 66; VEC1_INTERL2: br label %vector.body 67; VEC1_INTERL2: vector.body: 68; VEC1_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] 69; VEC1_INTERL2-NEXT: [[INDUCTION2:%.*]] = or i64 [[INDEX]], 1 70; VEC1_INTERL2-NEXT: [[TMP6:%.*]] = sitofp i64 [[INDEX]] to float 71; VEC1_INTERL2-NEXT: [[TMP7:%.*]] = fmul fast float %fpinc, [[TMP6]] 72; VEC1_INTERL2-NEXT: [[FP_OFFSET_IDX:%.*]] = fsub fast float %init, [[TMP7]] 73; VEC1_INTERL2-NEXT: [[TMP8:%.*]] = fsub fast float [[FP_OFFSET_IDX]], %fpinc 74; VEC1_INTERL2-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] 75; VEC1_INTERL2-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDUCTION2]] 76; VEC1_INTERL2-NEXT: store float [[FP_OFFSET_IDX]], float* [[TMP9]], align 4 77; VEC1_INTERL2-NEXT: store float [[TMP8]], float* [[TMP10]], align 4 78; VEC1_INTERL2-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 2 79; VEC1_INTERL2: br i1 {{.*}}, label %middle.block, label %vector.body 80 81define void @fp_iv_loop1(float %init, float* noalias nocapture %A, i32 %N) #1 { 82entry: 83 %cmp4 = icmp sgt i32 %N, 0 84 br i1 %cmp4, label %for.body.lr.ph, label %for.end 85 86for.body.lr.ph: ; preds = %entry 87 %fpinc = load float, float* @fp_inc, align 4 88 br label %for.body 89 90for.body: ; preds = %for.body, %for.body.lr.ph 91 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] 92 %x.05 = phi float [ %init, %for.body.lr.ph ], [ %add, %for.body ] 93 %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv 94 store float %x.05, float* %arrayidx, align 4 95 %add = fsub fast float %x.05, %fpinc 96 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 97 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 98 %exitcond = icmp eq i32 %lftr.wideiv, %N 99 br i1 %exitcond, label %for.end.loopexit, label %for.body 100 101for.end.loopexit: ; preds = %for.body 102 br label %for.end 103 104for.end: ; preds = %for.end.loopexit, %entry 105 ret void 106} 107 108;void fp_iv_loop2(float init, float * __restrict__ A, int N) { 109; float x = init; 110; for (int i=0; i < N; ++i) { 111; A[i] = x; 112; x += 0.5; 113; } 114;} 115 116; VEC4_INTERL1-LABEL: @fp_iv_loop2( 117; VEC4_INTERL1: vector.ph: 118; VEC4_INTERL1: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> undef, float %init, i32 0 119; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> undef, <4 x i32> zeroinitializer 120; VEC4_INTERL1-NEXT: [[INDUCTION2:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], <float 0.000000e+00, float 5.000000e-01, float 1.000000e+00, float 1.500000e+00> 121; VEC4_INTERL1-NEXT: br label %vector.body 122; VEC4_INTERL1: vector.body: 123; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] 124; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION2]], %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ] 125; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] 126; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = bitcast float* [[TMP7]] to <4 x float>* 127; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP8]], align 4 128; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4 129; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00> 130; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body 131 132define void @fp_iv_loop2(float %init, float* noalias nocapture %A, i32 %N) #0 { 133entry: 134 %cmp4 = icmp sgt i32 %N, 0 135 br i1 %cmp4, label %for.body.preheader, label %for.end 136 137for.body.preheader: ; preds = %entry 138 br label %for.body 139 140for.body: ; preds = %for.body.preheader, %for.body 141 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] 142 %x.06 = phi float [ %conv1, %for.body ], [ %init, %for.body.preheader ] 143 %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv 144 store float %x.06, float* %arrayidx, align 4 145 %conv1 = fadd fast float %x.06, 5.000000e-01 146 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 147 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 148 %exitcond = icmp eq i32 %lftr.wideiv, %N 149 br i1 %exitcond, label %for.end.loopexit, label %for.body 150 151for.end.loopexit: ; preds = %for.body 152 br label %for.end 153 154for.end: ; preds = %for.end.loopexit, %entry 155 ret void 156} 157 158;void fp_iv_loop3(float init, float * __restrict__ A, float * __restrict__ B, float * __restrict__ C, int N) { 159; int i = 0; 160; float x = init; 161; float y = 0.1; 162; for (; i < N; ++i) { 163; A[i] = x; 164; x += fp_inc; 165; y -= 0.5; 166; B[i] = x + y; 167; C[i] = y; 168; } 169;} 170 171; VEC4_INTERL1-LABEL: @fp_iv_loop3( 172; VEC4_INTERL1: for.body.lr.ph: 173; VEC4_INTERL1: [[TMP0:%.*]] = load float, float* @fp_inc, align 4 174; VEC4_INTERL1: vector.ph: 175; VEC4_INTERL1: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> undef, float %init, i32 0 176; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> undef, <4 x i32> zeroinitializer 177; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <4 x float> undef, float [[TMP0]], i32 0 178; VEC4_INTERL1-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT5]], <4 x float> undef, <4 x i32> zeroinitializer 179; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = fmul fast <4 x float> [[DOTSPLAT6]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00> 180; VEC4_INTERL1-NEXT: [[INDUCTION7:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], [[TMP7]] 181; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = fmul fast float [[TMP0]], 4.000000e+00 182; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT8:%.*]] = insertelement <4 x float> undef, float [[TMP8]], i32 0 183; VEC4_INTERL1-NEXT: [[DOTSPLAT9:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT8]], <4 x float> undef, <4 x i32> zeroinitializer 184; VEC4_INTERL1-NEXT: [[BROADCAST_SPLATINSERT12:%.*]] = insertelement <4 x float> undef, float [[TMP0]], i32 0 185; VEC4_INTERL1-NEXT: [[BROADCAST_SPLAT13:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT12]], <4 x float> undef, <4 x i32> zeroinitializer 186; VEC4_INTERL1-NEXT: br label [[VECTOR_BODY:%.*]] 187; VEC4_INTERL1: vector.body: 188; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] 189; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ <float 0x3FB99999A0000000, float 0xBFD99999A0000000, float 0xBFECCCCCC0000000, float 0xBFF6666660000000>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ] 190; VEC4_INTERL1-NEXT: [[VEC_IND10:%.*]] = phi <4 x float> [ [[INDUCTION7]], %vector.ph ], [ [[VEC_IND_NEXT11:%.*]], %vector.body ] 191; VEC4_INTERL1-NEXT: [[TMP12:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] 192; VEC4_INTERL1-NEXT: [[TMP13:%.*]] = bitcast float* [[TMP12]] to <4 x float>* 193; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND10]], <4 x float>* [[TMP13]], align 4 194; VEC4_INTERL1-NEXT: [[TMP14:%.*]] = fadd fast <4 x float> [[VEC_IND10]], [[BROADCAST_SPLAT13]] 195; VEC4_INTERL1-NEXT: [[TMP15:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float -5.000000e-01, float -5.000000e-01, float -5.000000e-01, float -5.000000e-01> 196; VEC4_INTERL1-NEXT: [[TMP16:%.*]] = fadd fast <4 x float> [[TMP15]], [[TMP14]] 197; VEC4_INTERL1-NEXT: [[TMP17:%.*]] = getelementptr inbounds float, float* %B, i64 [[INDEX]] 198; VEC4_INTERL1-NEXT: [[TMP18:%.*]] = bitcast float* [[TMP17]] to <4 x float>* 199; VEC4_INTERL1-NEXT: store <4 x float> [[TMP16]], <4 x float>* [[TMP18]], align 4 200; VEC4_INTERL1-NEXT: [[TMP19:%.*]] = getelementptr inbounds float, float* %C, i64 [[INDEX]] 201; VEC4_INTERL1-NEXT: [[TMP20:%.*]] = bitcast float* [[TMP19]] to <4 x float>* 202; VEC4_INTERL1-NEXT: store <4 x float> [[TMP15]], <4 x float>* [[TMP20]], align 4 203; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4 204; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float -2.000000e+00, float -2.000000e+00, float -2.000000e+00, float -2.000000e+00> 205; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT11]] = fadd fast <4 x float> [[VEC_IND10]], [[DOTSPLAT9]] 206; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body 207 208define void @fp_iv_loop3(float %init, float* noalias nocapture %A, float* noalias nocapture %B, float* noalias nocapture %C, i32 %N) #1 { 209entry: 210 %cmp9 = icmp sgt i32 %N, 0 211 br i1 %cmp9, label %for.body.lr.ph, label %for.end 212 213for.body.lr.ph: ; preds = %entry 214 %0 = load float, float* @fp_inc, align 4 215 br label %for.body 216 217for.body: ; preds = %for.body, %for.body.lr.ph 218 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] 219 %y.012 = phi float [ 0x3FB99999A0000000, %for.body.lr.ph ], [ %conv1, %for.body ] 220 %x.011 = phi float [ %init, %for.body.lr.ph ], [ %add, %for.body ] 221 %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv 222 store float %x.011, float* %arrayidx, align 4 223 %add = fadd fast float %x.011, %0 224 %conv1 = fadd fast float %y.012, -5.000000e-01 225 %add2 = fadd fast float %conv1, %add 226 %arrayidx4 = getelementptr inbounds float, float* %B, i64 %indvars.iv 227 store float %add2, float* %arrayidx4, align 4 228 %arrayidx6 = getelementptr inbounds float, float* %C, i64 %indvars.iv 229 store float %conv1, float* %arrayidx6, align 4 230 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 231 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 232 %exitcond = icmp eq i32 %lftr.wideiv, %N 233 br i1 %exitcond, label %for.end.loopexit, label %for.body 234 235for.end.loopexit: 236 br label %for.end 237 238for.end: 239 ret void 240} 241 242; Start and step values are constants. There is no 'fmul' operation in this case 243;void fp_iv_loop4(float * __restrict__ A, int N) { 244; float x = 1.0; 245; for (int i=0; i < N; ++i) { 246; A[i] = x; 247; x += 0.5; 248; } 249;} 250 251; VEC4_INTERL1-LABEL: @fp_iv_loop4( 252; VEC4_INTERL1: vector.ph: 253; VEC4_INTERL1: br label %vector.body 254; VEC4_INTERL1: vector.body: 255; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] 256; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ <float 1.000000e+00, float 1.500000e+00, float 2.000000e+00, float 2.500000e+00>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ] 257; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] 258; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = bitcast float* [[TMP7]] to <4 x float>* 259; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP8]], align 4 260; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4 261; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00> 262; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body 263 264define void @fp_iv_loop4(float* noalias nocapture %A, i32 %N) { 265entry: 266 %cmp4 = icmp sgt i32 %N, 0 267 br i1 %cmp4, label %for.body.preheader, label %for.end 268 269for.body.preheader: ; preds = %entry 270 br label %for.body 271 272for.body: ; preds = %for.body.preheader, %for.body 273 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] 274 %x.06 = phi float [ %conv1, %for.body ], [ 1.000000e+00, %for.body.preheader ] 275 %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv 276 store float %x.06, float* %arrayidx, align 4 277 %conv1 = fadd fast float %x.06, 5.000000e-01 278 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 279 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 280 %exitcond = icmp eq i32 %lftr.wideiv, %N 281 br i1 %exitcond, label %for.end.loopexit, label %for.body 282 283for.end.loopexit: ; preds = %for.body 284 br label %for.end 285 286for.end: ; preds = %for.end.loopexit, %entry 287 ret void 288} 289 290; VEC2_INTERL1_PRED_STORE-LABEL: @non_primary_iv_float_scalar( 291; VEC2_INTERL1_PRED_STORE: vector.body: 292; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE7:.*]] ] 293; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP1:%.*]] = sitofp i64 [[INDEX]] to float 294; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] 295; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP3:%.*]] = bitcast float* [[TMP2]] to <2 x float>* 296; VEC2_INTERL1_PRED_STORE-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* [[TMP3]], align 4 297; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP4:%.*]] = fcmp fast oeq <2 x float> [[WIDE_LOAD]], zeroinitializer 298; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP5:%.*]] = extractelement <2 x i1> [[TMP4]], i32 0 299; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP5]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]] 300; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_IF]]: 301; VEC2_INTERL1_PRED_STORE-NEXT: store float [[TMP1]], float* [[TMP2]], align 4 302; VEC2_INTERL1_PRED_STORE-NEXT: br label %[[PRED_STORE_CONTINUE]] 303; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_CONTINUE]]: 304; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP8:%.*]] = extractelement <2 x i1> [[TMP4]], i32 1 305; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP8]], label %[[PRED_STORE_IF6:.*]], label %[[PRED_STORE_CONTINUE7]] 306; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_IF6]]: 307; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP9:%.*]] = fadd fast float [[TMP1]], 1.000000e+00 308; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP10:%.*]] = or i64 [[INDEX]], 1 309; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* %A, i64 [[TMP10]] 310; VEC2_INTERL1_PRED_STORE-NEXT: store float [[TMP9]], float* [[TMP11]], align 4 311; VEC2_INTERL1_PRED_STORE-NEXT: br label %[[PRED_STORE_CONTINUE7]] 312; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_CONTINUE7]]: 313; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 2 314; VEC2_INTERL1_PRED_STORE: br i1 {{.*}}, label %middle.block, label %vector.body 315 316define void @non_primary_iv_float_scalar(float* %A, i64 %N) { 317entry: 318 br label %for.body 319 320for.body: 321 %i = phi i64 [ %i.next, %for.inc ], [ 0, %entry ] 322 %j = phi float [ %j.next, %for.inc ], [ 0.0, %entry ] 323 %tmp0 = getelementptr inbounds float, float* %A, i64 %i 324 %tmp1 = load float, float* %tmp0, align 4 325 %tmp2 = fcmp fast oeq float %tmp1, 0.0 326 br i1 %tmp2, label %if.pred, label %for.inc 327 328if.pred: 329 store float %j, float* %tmp0, align 4 330 br label %for.inc 331 332for.inc: 333 %i.next = add nuw nsw i64 %i, 1 334 %j.next = fadd fast float %j, 1.0 335 %cond = icmp slt i64 %i.next, %N 336 br i1 %cond, label %for.body, label %for.end 337 338for.end: 339 ret void 340} 341