1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=loop-vectorize,dce,instcombine -scalable-vectorization=on -force-target-instruction-cost=1 -force-target-supports-scalable-vectors < %s -S | FileCheck %s 3 4; Test that we can add on the induction variable 5; for (long long i = 0; i < n; i++) { 6; a[i] = b[i] + i; 7; } 8; with an unroll factor (interleave count) of 2. 9 10define void @add_ind64_unrolled(ptr noalias nocapture %a, ptr noalias nocapture readonly %b, i64 %n) { 11; CHECK-LABEL: @add_ind64_unrolled( 12; CHECK-NEXT: entry: 13; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() 14; CHECK-NEXT: [[TMP1:%.*]] = shl i64 [[TMP0]], 2 15; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], [[TMP1]] 16; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 17; CHECK: vector.ph: 18; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() 19; CHECK-NEXT: [[TMP3:%.*]] = shl i64 [[TMP2]], 2 20; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]] 21; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] 22; CHECK-NEXT: [[TMP4:%.*]] = call i64 @llvm.vscale.i64() 23; CHECK-NEXT: [[TMP8:%.*]] = shl i64 [[TMP4]], 1 24; CHECK-NEXT: [[TMP5:%.*]] = shl i64 [[TMP4]], 2 25; CHECK-NEXT: [[TMP6:%.*]] = call <vscale x 2 x i64> @llvm.stepvector.nxv2i64() 26; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 2 x i64> poison, i64 [[TMP8]], i64 0 27; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <vscale x 2 x i64> [[DOTSPLATINSERT]], <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer 28; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 29; CHECK: vector.body: 30; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 31; CHECK-NEXT: [[VEC_IND:%.*]] = phi <vscale x 2 x i64> [ [[TMP6]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] 32; CHECK-NEXT: [[STEP_ADD:%.*]] = add <vscale x 2 x i64> [[VEC_IND]], [[DOTSPLAT]] 33; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[B:%.*]], i64 [[INDEX]] 34; CHECK-NEXT: [[TMP10:%.*]] = call i64 @llvm.vscale.i64() 35; CHECK-NEXT: [[DOTIDX:%.*]] = shl i64 [[TMP10]], 4 36; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[TMP9]], i64 [[DOTIDX]] 37; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 2 x i64>, ptr [[TMP9]], align 8 38; CHECK-NEXT: [[WIDE_LOAD2:%.*]] = load <vscale x 2 x i64>, ptr [[TMP11]], align 8 39; CHECK-NEXT: [[TMP12:%.*]] = add nsw <vscale x 2 x i64> [[WIDE_LOAD]], [[VEC_IND]] 40; CHECK-NEXT: [[TMP13:%.*]] = add nsw <vscale x 2 x i64> [[WIDE_LOAD2]], [[STEP_ADD]] 41; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] 42; CHECK-NEXT: [[TMP15:%.*]] = call i64 @llvm.vscale.i64() 43; CHECK-NEXT: [[DOTIDX3:%.*]] = shl i64 [[TMP15]], 4 44; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i8, ptr [[TMP14]], i64 [[DOTIDX3]] 45; CHECK-NEXT: store <vscale x 2 x i64> [[TMP12]], ptr [[TMP14]], align 8 46; CHECK-NEXT: store <vscale x 2 x i64> [[TMP13]], ptr [[TMP16]], align 8 47; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP5]] 48; CHECK-NEXT: [[VEC_IND_NEXT]] = add <vscale x 2 x i64> [[STEP_ADD]], [[DOTSPLAT]] 49; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 50; CHECK-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 51; CHECK: middle.block: 52; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 53; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] 54; CHECK: scalar.ph: 55; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] 56; CHECK-NEXT: br label [[FOR_BODY:%.*]] 57; CHECK: for.body: 58; CHECK-NEXT: [[I_08:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 59; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[I_08]] 60; CHECK-NEXT: [[TMP18:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 61; CHECK-NEXT: [[ADD:%.*]] = add nsw i64 [[TMP18]], [[I_08]] 62; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[I_08]] 63; CHECK-NEXT: store i64 [[ADD]], ptr [[ARRAYIDX1]], align 8 64; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_08]], 1 65; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[N]] 66; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] 67; CHECK: exit: 68; CHECK-NEXT: ret void 69; 70entry: 71 br label %for.body 72 73for.body: ; preds = %entry, %for.body 74 %i.08 = phi i64 [ %inc, %for.body ], [ 0, %entry ] 75 %arrayidx = getelementptr inbounds i64, ptr %b, i64 %i.08 76 %0 = load i64, ptr %arrayidx, align 8 77 %add = add nsw i64 %0, %i.08 78 %arrayidx1 = getelementptr inbounds i64, ptr %a, i64 %i.08 79 store i64 %add, ptr %arrayidx1, align 8 80 %inc = add nuw nsw i64 %i.08, 1 81 %exitcond.not = icmp eq i64 %inc, %n 82 br i1 %exitcond.not, label %exit, label %for.body, !llvm.loop !0 83 84exit: ; preds = %for.body 85 ret void 86} 87 88 89; Same as above, except we test with a vectorisation factor of (1, scalable) 90 91define void @add_ind64_unrolled_nxv1i64(ptr noalias nocapture %a, ptr noalias nocapture readonly %b, i64 %n) { 92; CHECK-LABEL: @add_ind64_unrolled_nxv1i64( 93; CHECK-NEXT: entry: 94; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() 95; CHECK-NEXT: [[TMP1:%.*]] = shl i64 [[TMP0]], 1 96; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], [[TMP1]] 97; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 98; CHECK: vector.ph: 99; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() 100; CHECK-NEXT: [[TMP3:%.*]] = shl i64 [[TMP2]], 1 101; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]] 102; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] 103; CHECK-NEXT: [[TMP4:%.*]] = call i64 @llvm.vscale.i64() 104; CHECK-NEXT: [[TMP5:%.*]] = shl i64 [[TMP4]], 1 105; CHECK-NEXT: [[TMP6:%.*]] = call <vscale x 1 x i64> @llvm.stepvector.nxv1i64() 106; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 1 x i64> poison, i64 [[TMP4]], i64 0 107; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <vscale x 1 x i64> [[DOTSPLATINSERT]], <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer 108; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 109; CHECK: vector.body: 110; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 111; CHECK-NEXT: [[VEC_IND:%.*]] = phi <vscale x 1 x i64> [ [[TMP6]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] 112; CHECK-NEXT: [[STEP_ADD:%.*]] = add <vscale x 1 x i64> [[VEC_IND]], [[DOTSPLAT]] 113; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[B:%.*]], i64 [[INDEX]] 114; CHECK-NEXT: [[TMP9:%.*]] = call i64 @llvm.vscale.i64() 115; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i64, ptr [[TMP8]], i64 [[TMP9]] 116; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 1 x i64>, ptr [[TMP8]], align 8 117; CHECK-NEXT: [[WIDE_LOAD2:%.*]] = load <vscale x 1 x i64>, ptr [[TMP10]], align 8 118; CHECK-NEXT: [[TMP11:%.*]] = add nsw <vscale x 1 x i64> [[WIDE_LOAD]], [[VEC_IND]] 119; CHECK-NEXT: [[TMP12:%.*]] = add nsw <vscale x 1 x i64> [[WIDE_LOAD2]], [[STEP_ADD]] 120; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] 121; CHECK-NEXT: [[TMP14:%.*]] = call i64 @llvm.vscale.i64() 122; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[TMP13]], i64 [[TMP14]] 123; CHECK-NEXT: store <vscale x 1 x i64> [[TMP11]], ptr [[TMP13]], align 8 124; CHECK-NEXT: store <vscale x 1 x i64> [[TMP12]], ptr [[TMP15]], align 8 125; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP5]] 126; CHECK-NEXT: [[VEC_IND_NEXT]] = add <vscale x 1 x i64> [[STEP_ADD]], [[DOTSPLAT]] 127; CHECK-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 128; CHECK-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] 129; CHECK: middle.block: 130; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 131; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] 132; CHECK: scalar.ph: 133; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] 134; CHECK-NEXT: br label [[FOR_BODY:%.*]] 135; CHECK: for.body: 136; CHECK-NEXT: [[I_08:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 137; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[I_08]] 138; CHECK-NEXT: [[TMP17:%.*]] = load i64, ptr [[ARRAYIDX]], align 8 139; CHECK-NEXT: [[ADD:%.*]] = add nsw i64 [[TMP17]], [[I_08]] 140; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[I_08]] 141; CHECK-NEXT: store i64 [[ADD]], ptr [[ARRAYIDX1]], align 8 142; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_08]], 1 143; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[N]] 144; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] 145; CHECK: exit: 146; CHECK-NEXT: ret void 147; 148entry: 149 br label %for.body 150 151for.body: ; preds = %entry, %for.body 152 %i.08 = phi i64 [ %inc, %for.body ], [ 0, %entry ] 153 %arrayidx = getelementptr inbounds i64, ptr %b, i64 %i.08 154 %0 = load i64, ptr %arrayidx, align 8 155 %add = add nsw i64 %0, %i.08 156 %arrayidx1 = getelementptr inbounds i64, ptr %a, i64 %i.08 157 store i64 %add, ptr %arrayidx1, align 8 158 %inc = add nuw nsw i64 %i.08, 1 159 %exitcond.not = icmp eq i64 %inc, %n 160 br i1 %exitcond.not, label %exit, label %for.body, !llvm.loop !9 161 162exit: ; preds = %for.body 163 ret void 164} 165 166 167; Test that we can vectorize a separate induction variable (not used for the branch) 168; int r = 0; 169; for (long long i = 0; i < n; i++) { 170; a[i] = r; 171; r += 2; 172; } 173; with an unroll factor (interleave count) of 1. 174 175 176define void @add_unique_ind32(ptr noalias nocapture %a, i64 %n) { 177; CHECK-LABEL: @add_unique_ind32( 178; CHECK-NEXT: entry: 179; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() 180; CHECK-NEXT: [[TMP1:%.*]] = shl i64 [[TMP0]], 2 181; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], [[TMP1]] 182; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 183; CHECK: vector.ph: 184; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() 185; CHECK-NEXT: [[TMP3:%.*]] = shl i64 [[TMP2]], 2 186; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]] 187; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] 188; CHECK-NEXT: [[TMP4:%.*]] = call i64 @llvm.vscale.i64() 189; CHECK-NEXT: [[TMP5:%.*]] = shl i64 [[TMP4]], 2 190; CHECK-NEXT: [[DOTCAST:%.*]] = trunc i64 [[N_VEC]] to i32 191; CHECK-NEXT: [[IND_END:%.*]] = shl i32 [[DOTCAST]], 1 192; CHECK-NEXT: [[TMP6:%.*]] = call <vscale x 4 x i32> @llvm.stepvector.nxv4i32() 193; CHECK-NEXT: [[TMP7:%.*]] = shl <vscale x 4 x i32> [[TMP6]], splat (i32 1) 194; CHECK-NEXT: [[TMP8:%.*]] = trunc i64 [[TMP5]] to i32 195; CHECK-NEXT: [[TMP9:%.*]] = shl i32 [[TMP8]], 1 196; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[TMP9]], i64 0 197; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[DOTSPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer 198; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 199; CHECK: vector.body: 200; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 201; CHECK-NEXT: [[VEC_IND:%.*]] = phi <vscale x 4 x i32> [ [[TMP7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] 202; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[INDEX]] 203; CHECK-NEXT: store <vscale x 4 x i32> [[VEC_IND]], ptr [[TMP10]], align 4 204; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP5]] 205; CHECK-NEXT: [[VEC_IND_NEXT]] = add <vscale x 4 x i32> [[VEC_IND]], [[DOTSPLAT]] 206; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 207; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]] 208; CHECK: middle.block: 209; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 210; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] 211; CHECK: scalar.ph: 212; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] 213; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] 214; CHECK-NEXT: br label [[FOR_BODY:%.*]] 215; CHECK: for.body: 216; CHECK-NEXT: [[I_08:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 217; CHECK-NEXT: [[R_07:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ] 218; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I_08]] 219; CHECK-NEXT: store i32 [[R_07]], ptr [[ARRAYIDX]], align 4 220; CHECK-NEXT: [[ADD]] = add nuw nsw i32 [[R_07]], 2 221; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_08]], 1 222; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[N]] 223; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] 224; CHECK: exit: 225; CHECK-NEXT: ret void 226; 227entry: 228 br label %for.body 229 230for.body: ; preds = %entry, %for.body 231 %i.08 = phi i64 [ %inc, %for.body ], [ 0, %entry ] 232 %r.07 = phi i32 [ %add, %for.body ], [ 0, %entry ] 233 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %i.08 234 store i32 %r.07, ptr %arrayidx, align 4 235 %add = add nuw nsw i32 %r.07, 2 236 %inc = add nuw nsw i64 %i.08, 1 237 %exitcond.not = icmp eq i64 %inc, %n 238 br i1 %exitcond.not, label %exit, label %for.body, !llvm.loop !6 239 240exit: ; preds = %for.body 241 ret void 242} 243 244 245; Test that we can vectorize a separate FP induction variable (not used for the branch) 246; float r = 0; 247; for (long long i = 0; i < n; i++) { 248; a[i] = r; 249; r += 2; 250; } 251; with an unroll factor (interleave count) of 1. 252 253define void @add_unique_indf32(ptr noalias nocapture %a, i64 %n) { 254; CHECK-LABEL: @add_unique_indf32( 255; CHECK-NEXT: entry: 256; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() 257; CHECK-NEXT: [[TMP1:%.*]] = shl i64 [[TMP0]], 2 258; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], [[TMP1]] 259; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 260; CHECK: vector.ph: 261; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() 262; CHECK-NEXT: [[TMP3:%.*]] = shl i64 [[TMP2]], 2 263; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]] 264; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] 265; CHECK-NEXT: [[TMP5:%.*]] = call i64 @llvm.vscale.i64() 266; CHECK-NEXT: [[TMP6:%.*]] = shl i64 [[TMP5]], 2 267; CHECK-NEXT: [[DOTCAST:%.*]] = sitofp i64 [[N_VEC]] to float 268; CHECK-NEXT: [[TMP4:%.*]] = fmul float [[DOTCAST]], 2.000000e+00 269; CHECK-NEXT: [[IND_END:%.*]] = fadd float [[TMP4]], 0.000000e+00 270; CHECK-NEXT: [[TMP7:%.*]] = call <vscale x 4 x i32> @llvm.stepvector.nxv4i32() 271; CHECK-NEXT: [[TMP8:%.*]] = uitofp <vscale x 4 x i32> [[TMP7]] to <vscale x 4 x float> 272; CHECK-NEXT: [[TMP9:%.*]] = fmul <vscale x 4 x float> [[TMP8]], splat (float 2.000000e+00) 273; CHECK-NEXT: [[INDUCTION:%.*]] = fadd <vscale x 4 x float> [[TMP9]], zeroinitializer 274; CHECK-NEXT: [[TMP12:%.*]] = uitofp i64 [[TMP6]] to float 275; CHECK-NEXT: [[TMP13:%.*]] = fmul float [[TMP12]], 2.000000e+00 276; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP13]], i64 0 277; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x float> [[DOTSPLATINSERT]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer 278; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 279; CHECK: vector.body: 280; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 281; CHECK-NEXT: [[VEC_IND:%.*]] = phi <vscale x 4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] 282; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]] 283; CHECK-NEXT: store <vscale x 4 x float> [[VEC_IND]], ptr [[TMP14]], align 4 284; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP6]] 285; CHECK-NEXT: [[VEC_IND_NEXT]] = fadd <vscale x 4 x float> [[VEC_IND]], [[DOTSPLAT]] 286; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 287; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]] 288; CHECK: middle.block: 289; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 290; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] 291; CHECK: scalar.ph: 292; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] 293; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ] 294; CHECK-NEXT: br label [[FOR_BODY:%.*]] 295; CHECK: for.body: 296; CHECK-NEXT: [[I_08:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 297; CHECK-NEXT: [[R_07:%.*]] = phi float [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ] 298; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[I_08]] 299; CHECK-NEXT: store float [[R_07]], ptr [[ARRAYIDX]], align 4 300; CHECK-NEXT: [[ADD]] = fadd float [[R_07]], 2.000000e+00 301; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_08]], 1 302; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[N]] 303; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] 304; CHECK: exit: 305; CHECK-NEXT: ret void 306; 307entry: 308 br label %for.body 309 310for.body: ; preds = %entry, %for.body 311 %i.08 = phi i64 [ %inc, %for.body ], [ 0, %entry ] 312 %r.07 = phi float [ %add, %for.body ], [ 0.000000e+00, %entry ] 313 %arrayidx = getelementptr inbounds float, ptr %a, i64 %i.08 314 store float %r.07, ptr %arrayidx, align 4 315 %add = fadd float %r.07, 2.000000e+00 316 %inc = add nuw nsw i64 %i.08, 1 317 %exitcond.not = icmp eq i64 %inc, %n 318 br i1 %exitcond.not, label %exit, label %for.body, !llvm.loop !6 319 320exit: ; preds = %for.body 321 ret void 322} 323 324!0 = distinct !{!0, !1, !2, !3, !4, !5} 325!1 = !{!"llvm.loop.mustprogress"} 326!2 = !{!"llvm.loop.vectorize.width", i32 2} 327!3 = !{!"llvm.loop.vectorize.scalable.enable", i1 true} 328!4 = !{!"llvm.loop.interleave.count", i32 2} 329!5 = !{!"llvm.loop.vectorize.enable", i1 true} 330!6 = distinct !{!6, !1, !7, !3, !8, !5} 331!7 = !{!"llvm.loop.vectorize.width", i32 4} 332!8 = !{!"llvm.loop.interleave.count", i32 1} 333!9 = distinct !{!9, !1, !10, !3, !4, !5} 334!10 = !{!"llvm.loop.vectorize.width", i32 1} 335