1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=loop-vectorize,dce,instcombine -mtriple aarch64-linux-gnu -mattr=+sve \ 3; RUN: -prefer-predicate-over-epilogue=scalar-epilogue -S %s -o - | FileCheck %s 4 5define void @cond_inv_load_i32i32i16(ptr noalias nocapture %a, ptr noalias nocapture readonly %cond, ptr noalias nocapture readonly %inv, i64 %n) #0 { 6; CHECK-LABEL: @cond_inv_load_i32i32i16( 7; CHECK-NEXT: entry: 8; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() 9; CHECK-NEXT: [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2 10; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], [[TMP1]] 11; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 12; CHECK: vector.ph: 13; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() 14; CHECK-NEXT: [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -4 15; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[N]], [[DOTNEG]] 16; CHECK-NEXT: [[TMP3:%.*]] = call i64 @llvm.vscale.i64() 17; CHECK-NEXT: [[TMP4:%.*]] = shl nuw nsw i64 [[TMP3]], 2 18; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x ptr> poison, ptr [[INV:%.*]], i64 0 19; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x ptr> [[BROADCAST_SPLATINSERT]], <vscale x 4 x ptr> poison, <vscale x 4 x i32> zeroinitializer 20; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 21; CHECK: vector.body: 22; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 23; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[COND:%.*]], i64 [[INDEX]] 24; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[TMP5]], align 4 25; CHECK-NEXT: [[TMP6:%.*]] = icmp ne <vscale x 4 x i32> [[WIDE_LOAD]], zeroinitializer 26; CHECK-NEXT: [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 2, <vscale x 4 x i1> [[TMP6]], <vscale x 4 x i16> poison) 27; CHECK-NEXT: [[TMP7:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER]] to <vscale x 4 x i32> 28; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i32, ptr [[A:%.*]], i64 [[INDEX]] 29; CHECK-NEXT: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> [[TMP7]], ptr [[TMP8]], i32 4, <vscale x 4 x i1> [[TMP6]]) 30; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP4]] 31; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 32; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 33; CHECK: middle.block: 34; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]] 35; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] 36; CHECK: scalar.ph: 37; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] 38; CHECK-NEXT: br label [[FOR_BODY:%.*]] 39; CHECK: for.body: 40; CHECK-NEXT: [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 41; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[COND]], i64 [[I_07]] 42; CHECK-NEXT: [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 43; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP10]], 0 44; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[FOR_INC]], label [[IF_THEN:%.*]] 45; CHECK: if.then: 46; CHECK-NEXT: [[TMP11:%.*]] = load i16, ptr [[INV]], align 2 47; CHECK-NEXT: [[CONV:%.*]] = sext i16 [[TMP11]] to i32 48; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I_07]] 49; CHECK-NEXT: store i32 [[CONV]], ptr [[ARRAYIDX1]], align 4 50; CHECK-NEXT: br label [[FOR_INC]] 51; CHECK: for.inc: 52; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_07]], 1 53; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[N]] 54; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] 55; CHECK: exit: 56; CHECK-NEXT: ret void 57; 58entry: 59 br label %for.body 60 61for.body: ; preds = %entry, %for.inc 62 %i.07 = phi i64 [ %inc, %for.inc ], [ 0, %entry ] 63 %arrayidx = getelementptr inbounds i32, ptr %cond, i64 %i.07 64 %0 = load i32, ptr %arrayidx, align 4 65 %tobool.not = icmp eq i32 %0, 0 66 br i1 %tobool.not, label %for.inc, label %if.then 67 68if.then: ; preds = %for.body 69 %1 = load i16, ptr %inv, align 2 70 %conv = sext i16 %1 to i32 71 %arrayidx1 = getelementptr inbounds i32, ptr %a, i64 %i.07 72 store i32 %conv, ptr %arrayidx1, align 4 73 br label %for.inc 74 75for.inc: ; preds = %for.body, %if.then 76 %inc = add nuw nsw i64 %i.07, 1 77 %exitcond.not = icmp eq i64 %inc, %n 78 br i1 %exitcond.not, label %exit, label %for.body, !llvm.loop !0 79 80exit: ; preds = %for.inc 81 ret void 82} 83 84define void @cond_inv_load_f64f64f64(ptr noalias nocapture %a, ptr noalias nocapture readonly %cond, ptr noalias nocapture readonly %inv, i64 %n) #0 { 85; CHECK-LABEL: @cond_inv_load_f64f64f64( 86; CHECK-NEXT: entry: 87; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() 88; CHECK-NEXT: [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2 89; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], [[TMP1]] 90; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 91; CHECK: vector.ph: 92; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() 93; CHECK-NEXT: [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -4 94; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[N]], [[DOTNEG]] 95; CHECK-NEXT: [[TMP3:%.*]] = call i64 @llvm.vscale.i64() 96; CHECK-NEXT: [[TMP4:%.*]] = shl nuw nsw i64 [[TMP3]], 2 97; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x ptr> poison, ptr [[INV:%.*]], i64 0 98; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x ptr> [[BROADCAST_SPLATINSERT]], <vscale x 4 x ptr> poison, <vscale x 4 x i32> zeroinitializer 99; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 100; CHECK: vector.body: 101; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 102; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds double, ptr [[COND:%.*]], i64 [[INDEX]] 103; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 4 x double>, ptr [[TMP5]], align 8 104; CHECK-NEXT: [[TMP6:%.*]] = fcmp ogt <vscale x 4 x double> [[WIDE_LOAD]], splat (double 4.000000e-01) 105; CHECK-NEXT: [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x double> @llvm.masked.gather.nxv4f64.nxv4p0(<vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 8, <vscale x 4 x i1> [[TMP6]], <vscale x 4 x double> poison) 106; CHECK-NEXT: [[TMP7:%.*]] = getelementptr double, ptr [[A:%.*]], i64 [[INDEX]] 107; CHECK-NEXT: call void @llvm.masked.store.nxv4f64.p0(<vscale x 4 x double> [[WIDE_MASKED_GATHER]], ptr [[TMP7]], i32 8, <vscale x 4 x i1> [[TMP6]]) 108; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP4]] 109; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 110; CHECK-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] 111; CHECK: middle.block: 112; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]] 113; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] 114; CHECK: scalar.ph: 115; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] 116; CHECK-NEXT: br label [[FOR_BODY:%.*]] 117; CHECK: for.body: 118; CHECK-NEXT: [[I_08:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 119; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, ptr [[COND]], i64 [[I_08]] 120; CHECK-NEXT: [[TMP9:%.*]] = load double, ptr [[ARRAYIDX]], align 8 121; CHECK-NEXT: [[CMP1:%.*]] = fcmp ogt double [[TMP9]], 4.000000e-01 122; CHECK-NEXT: br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[FOR_INC]] 123; CHECK: if.then: 124; CHECK-NEXT: [[TMP10:%.*]] = load double, ptr [[INV]], align 8 125; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds double, ptr [[A]], i64 [[I_08]] 126; CHECK-NEXT: store double [[TMP10]], ptr [[ARRAYIDX2]], align 8 127; CHECK-NEXT: br label [[FOR_INC]] 128; CHECK: for.inc: 129; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_08]], 1 130; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[N]] 131; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] 132; CHECK: exit: 133; CHECK-NEXT: ret void 134; 135entry: 136 br label %for.body 137 138for.body: ; preds = %entry, %for.inc 139 %i.08 = phi i64 [ %inc, %for.inc ], [ 0, %entry ] 140 %arrayidx = getelementptr inbounds double, ptr %cond, i64 %i.08 141 %0 = load double, ptr %arrayidx, align 8 142 %cmp1 = fcmp ogt double %0, 4.000000e-01 143 br i1 %cmp1, label %if.then, label %for.inc 144 145if.then: ; preds = %for.body 146 %1 = load double, ptr %inv, align 8 147 %arrayidx2 = getelementptr inbounds double, ptr %a, i64 %i.08 148 store double %1, ptr %arrayidx2, align 8 149 br label %for.inc 150 151for.inc: ; preds = %for.body, %if.then 152 %inc = add nuw nsw i64 %i.08, 1 153 %exitcond.not = icmp eq i64 %inc, %n 154 br i1 %exitcond.not, label %exit, label %for.body, !llvm.loop !0 155 156exit: ; preds = %for.inc 157 ret void 158} 159 160define void @invariant_load_cond(ptr noalias nocapture %a, ptr nocapture readonly %b, ptr nocapture readonly %cond, i64 %n) #0 { 161; CHECK-LABEL: @invariant_load_cond( 162; CHECK-NEXT: entry: 163; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() 164; CHECK-NEXT: [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2 165; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], [[TMP1]] 166; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 167; CHECK: vector.ph: 168; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() 169; CHECK-NEXT: [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -4 170; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[N]], [[DOTNEG]] 171; CHECK-NEXT: [[TMP3:%.*]] = call i64 @llvm.vscale.i64() 172; CHECK-NEXT: [[TMP4:%.*]] = shl nuw nsw i64 [[TMP3]], 2 173; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds nuw i8, ptr [[B:%.*]], i64 168 174; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x ptr> poison, ptr [[TMP5]], i64 0 175; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x ptr> [[BROADCAST_SPLATINSERT]], <vscale x 4 x ptr> poison, <vscale x 4 x i32> zeroinitializer 176; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 177; CHECK: vector.body: 178; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 179; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[COND:%.*]], i64 [[INDEX]] 180; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[TMP6]], align 4 181; CHECK-NEXT: [[TMP7:%.*]] = icmp ne <vscale x 4 x i32> [[WIDE_LOAD]], zeroinitializer 182; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i32, ptr [[B]], i64 [[INDEX]] 183; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0(ptr [[TMP8]], i32 4, <vscale x 4 x i1> [[TMP7]], <vscale x 4 x i32> poison) 184; CHECK-NEXT: [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 4, <vscale x 4 x i1> [[TMP7]], <vscale x 4 x i32> poison) 185; CHECK-NEXT: [[TMP9:%.*]] = add nsw <vscale x 4 x i32> [[WIDE_MASKED_GATHER]], [[WIDE_MASKED_LOAD]] 186; CHECK-NEXT: [[TMP10:%.*]] = getelementptr i32, ptr [[A:%.*]], i64 [[INDEX]] 187; CHECK-NEXT: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> [[TMP9]], ptr [[TMP10]], i32 4, <vscale x 4 x i1> [[TMP7]]) 188; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP4]] 189; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 190; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]] 191; CHECK: middle.block: 192; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]] 193; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]] 194; CHECK: scalar.ph: 195; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] 196; CHECK-NEXT: br label [[FOR_BODY:%.*]] 197; CHECK: for.body: 198; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_INC:%.*]] ] 199; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[COND]], i64 [[IV]] 200; CHECK-NEXT: [[TMP12:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 201; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP12]], 0 202; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[FOR_INC]], label [[IF_THEN:%.*]] 203; CHECK: if.then: 204; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds nuw i8, ptr [[B]], i64 168 205; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[IV]] 206; CHECK-NEXT: [[TMP13:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4 207; CHECK-NEXT: [[TMP14:%.*]] = load i32, ptr [[ARRAYIDX1]], align 4 208; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP14]], [[TMP13]] 209; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IV]] 210; CHECK-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX4]], align 4 211; CHECK-NEXT: br label [[FOR_INC]] 212; CHECK: for.inc: 213; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 214; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]] 215; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] 216; CHECK: for.end: 217; CHECK-NEXT: ret void 218; 219entry: 220 br label %for.body 221 222for.body: 223 %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.inc ] 224 %arrayidx1 = getelementptr inbounds i32, ptr %b, i64 42 225 %arrayidx2 = getelementptr inbounds i32, ptr %cond, i64 %iv 226 %0 = load i32, ptr %arrayidx2, align 4 227 %tobool.not = icmp eq i32 %0, 0 228 br i1 %tobool.not, label %for.inc, label %if.then 229 230if.then: 231 %arrayidx3 = getelementptr inbounds i32, ptr %b, i64 %iv 232 %1 = load i32, ptr %arrayidx3, align 4 233 %2 = load i32, ptr %arrayidx1, align 4 234 %add = add nsw i32 %2, %1 235 %arrayidx4 = getelementptr inbounds i32, ptr %a, i64 %iv 236 store i32 %add, ptr %arrayidx4, align 4 237 br label %for.inc 238 239for.inc: 240 %iv.next = add nuw nsw i64 %iv, 1 241 %exitcond.not = icmp eq i64 %iv.next, %n 242 br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 243 244for.end: 245 ret void 246} 247 248attributes #0 = { vscale_range(1, 16) } 249!0 = distinct !{!0, !1, !2, !3, !4, !5} 250!1 = !{!"llvm.loop.mustprogress"} 251!2 = !{!"llvm.loop.vectorize.width", i32 4} 252!3 = !{!"llvm.loop.vectorize.scalable.enable", i1 true} 253!4 = !{!"llvm.loop.interleave.count", i32 1} 254!5 = !{!"llvm.loop.vectorize.enable", i1 true} 255