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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52 3; To test epilogue-vectorization we need to make sure that the vectorizer actually vectorizes the loop.4; Without a target triple this becomes difficult, unless we force vectorization through user hints.5; Currently user provided vectorization hints prevent epilogue vectorization unless the forced6; VF is the same as the epilogue vectorization VF. To make these tests target independent we'll use a7; trick where both VFs are forced to be the same value. Mismatching VFs are tested in target specific tests.8; RUN: opt -passes='loop-vectorize' -force-vector-width=4 -enable-epilogue-vectorization -epilogue-vectorization-force-VF=4 -S %s | FileCheck %s9 10; Some simpler cases are found profitable even without triple or user hints.11; RUN: opt -passes='loop-vectorize' -enable-epilogue-vectorization -epilogue-vectorization-force-VF=2 -S %s | FileCheck --check-prefix=CHECK-PROFITABLE-BY-DEFAULT %s12 13target datalayout = "e-m:e-i64:64-n32:64-v128:128:128"14 15define dso_local void @f1(ptr noalias %aa, ptr noalias %bb, ptr noalias %cc, i32 signext %N) {16; CHECK-LABEL: define dso_local void @f1(17; CHECK-SAME: ptr noalias [[AA:%.*]], ptr noalias [[BB:%.*]], ptr noalias [[CC:%.*]], i32 signext [[N:%.*]]) {18; CHECK-NEXT: [[ENTRY:.*:]]19; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[N]], 020; CHECK-NEXT: br i1 [[CMP1]], label %[[ITER_CHECK:.*]], label %[[FOR_END:.*]]21; CHECK: [[ITER_CHECK]]:22; CHECK-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i6423; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 424; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]25; CHECK: [[VECTOR_MAIN_LOOP_ITER_CHECK]]:26; CHECK-NEXT: [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 427; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]28; CHECK: [[VECTOR_PH]]:29; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 430; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF]]31; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]32; CHECK: [[VECTOR_BODY]]:33; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]34; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds float, ptr [[BB]], i64 [[INDEX]]35; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, ptr [[TMP1]], align 436; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, ptr [[CC]], i64 [[INDEX]]37; CHECK-NEXT: [[WIDE_LOAD2:%.*]] = load <4 x float>, ptr [[TMP3]], align 438; CHECK-NEXT: [[TMP5:%.*]] = fadd fast <4 x float> [[WIDE_LOAD]], [[WIDE_LOAD2]]39; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, ptr [[AA]], i64 [[INDEX]]40; CHECK-NEXT: store <4 x float> [[TMP5]], ptr [[TMP6]], align 441; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 442; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]43; CHECK-NEXT: br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]44; CHECK: [[MIDDLE_BLOCK]]:45; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]46; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END_LOOPEXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]47; CHECK: [[VEC_EPILOG_ITER_CHECK]]:48; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 449; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3:![0-9]+]]50; CHECK: [[VEC_EPILOG_PH]]:51; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]52; CHECK-NEXT: [[N_MOD_VF3:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 453; CHECK-NEXT: [[N_VEC4:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF3]]54; CHECK-NEXT: br label %[[VEC_EPILOG_VECTOR_BODY:.*]]55; CHECK: [[VEC_EPILOG_VECTOR_BODY]]:56; CHECK-NEXT: [[INDEX6:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT9:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]57; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, ptr [[BB]], i64 [[INDEX6]]58; CHECK-NEXT: [[WIDE_LOAD7:%.*]] = load <4 x float>, ptr [[TMP10]], align 459; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds float, ptr [[CC]], i64 [[INDEX6]]60; CHECK-NEXT: [[WIDE_LOAD8:%.*]] = load <4 x float>, ptr [[TMP12]], align 461; CHECK-NEXT: [[TMP14:%.*]] = fadd fast <4 x float> [[WIDE_LOAD7]], [[WIDE_LOAD8]]62; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds float, ptr [[AA]], i64 [[INDEX6]]63; CHECK-NEXT: store <4 x float> [[TMP14]], ptr [[TMP15]], align 464; CHECK-NEXT: [[INDEX_NEXT9]] = add nuw i64 [[INDEX6]], 465; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT9]], [[N_VEC4]]66; CHECK-NEXT: br i1 [[TMP17]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]67; CHECK: [[VEC_EPILOG_MIDDLE_BLOCK]]:68; CHECK-NEXT: [[CMP_N5:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC4]]69; CHECK-NEXT: br i1 [[CMP_N5]], label %[[FOR_END_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]]70; CHECK: [[VEC_EPILOG_SCALAR_PH]]:71; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC4]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]72; CHECK-NEXT: br label %[[FOR_BODY:.*]]73; CHECK: [[FOR_BODY]]:74; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ]75; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[BB]], i64 [[INDVARS_IV]]76; CHECK-NEXT: [[TMP18:%.*]] = load float, ptr [[ARRAYIDX]], align 477; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds float, ptr [[CC]], i64 [[INDVARS_IV]]78; CHECK-NEXT: [[TMP19:%.*]] = load float, ptr [[ARRAYIDX2]], align 479; CHECK-NEXT: [[ADD:%.*]] = fadd fast float [[TMP18]], [[TMP19]]80; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds float, ptr [[AA]], i64 [[INDVARS_IV]]81; CHECK-NEXT: store float [[ADD]], ptr [[ARRAYIDX4]], align 482; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 183; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]84; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP5:![0-9]+]]85; CHECK: [[FOR_END_LOOPEXIT]]:86; CHECK-NEXT: br label %[[FOR_END]]87; CHECK: [[FOR_END]]:88; CHECK-NEXT: ret void89;90; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define dso_local void @f1(91; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr noalias [[AA:%.*]], ptr noalias [[BB:%.*]], ptr noalias [[CC:%.*]], i32 signext [[N:%.*]]) {92; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ENTRY:.*:]]93; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[N]], 094; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[CMP1]], label %[[FOR_BODY_PREHEADER:.*]], label %[[FOR_END:.*]]95; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_BODY_PREHEADER]]:96; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i6497; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[FOR_BODY:.*]]98; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_BODY]]:99; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, %[[FOR_BODY_PREHEADER]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ]100; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[BB]], i64 [[INDVARS_IV]]101; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP0:%.*]] = load float, ptr [[ARRAYIDX]], align 4102; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds float, ptr [[CC]], i64 [[INDVARS_IV]]103; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP1:%.*]] = load float, ptr [[ARRAYIDX2]], align 4104; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ADD:%.*]] = fadd fast float [[TMP0]], [[TMP1]]105; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds float, ptr [[AA]], i64 [[INDVARS_IV]]106; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store float [[ADD]], ptr [[ARRAYIDX4]], align 4107; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1108; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]109; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT:.*]]110; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_END_LOOPEXIT]]:111; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[FOR_END]]112; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_END]]:113; CHECK-PROFITABLE-BY-DEFAULT-NEXT: ret void114;115entry:116 %cmp1 = icmp sgt i32 %N, 0117 br i1 %cmp1, label %for.body.preheader, label %for.end118 119for.body.preheader: ; preds = %entry120 %wide.trip.count = zext i32 %N to i64121 br label %for.body122 123for.body: ; preds = %for.body.preheader, %for.body124 %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]125 %arrayidx = getelementptr inbounds float, ptr %bb, i64 %indvars.iv126 %0 = load float, ptr %arrayidx, align 4127 %arrayidx2 = getelementptr inbounds float, ptr %cc, i64 %indvars.iv128 %1 = load float, ptr %arrayidx2, align 4129 %add = fadd fast float %0, %1130 %arrayidx4 = getelementptr inbounds float, ptr %aa, i64 %indvars.iv131 store float %add, ptr %arrayidx4, align 4132 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1133 %exitcond = icmp ne i64 %indvars.iv.next, %wide.trip.count134 br i1 %exitcond, label %for.body, label %for.end.loopexit135 136for.end.loopexit: ; preds = %for.body137 br label %for.end138 139for.end: ; preds = %for.end.loopexit, %entry140 ret void141}142 143define dso_local signext i32 @f2(ptr noalias %A, ptr noalias %B, i32 signext %n) {144; CHECK-LABEL: define dso_local signext i32 @f2(145; CHECK-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i32 signext [[N:%.*]]) {146; CHECK-NEXT: [[ENTRY:.*:]]147; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[N]], 1148; CHECK-NEXT: br i1 [[CMP1]], label %[[ITER_CHECK:.*]], label %[[FOR_END:.*]]149; CHECK: [[ITER_CHECK]]:150; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1151; CHECK-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[TMP0]] to i64152; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 4153; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]]154; CHECK: [[VECTOR_SCEVCHECK]]:155; CHECK-NEXT: [[TMP1:%.*]] = add nsw i64 [[WIDE_TRIP_COUNT]], -1156; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 [[TMP1]] to i32157; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[TMP0]], [[TMP2]]158; CHECK-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[TMP3]], [[TMP0]]159; CHECK-NEXT: [[TMP6:%.*]] = icmp ugt i64 [[TMP1]], 4294967295160; CHECK-NEXT: [[TMP7:%.*]] = or i1 [[TMP4]], [[TMP6]]161; CHECK-NEXT: br i1 [[TMP7]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]162; CHECK: [[VECTOR_MAIN_LOOP_ITER_CHECK]]:163; CHECK-NEXT: [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 4164; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]165; CHECK: [[VECTOR_PH]]:166; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 4167; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF]]168; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]169; CHECK: [[VECTOR_BODY]]:170; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]171; CHECK-NEXT: [[OFFSET_IDX:%.*]] = trunc i64 [[INDEX]] to i32172; CHECK-NEXT: [[TMP10:%.*]] = xor i32 [[OFFSET_IDX]], -1173; CHECK-NEXT: [[TMP11:%.*]] = add i32 [[TMP10]], [[N]]174; CHECK-NEXT: [[TMP12:%.*]] = sext i32 [[TMP11]] to i64175; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP12]]176; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds float, ptr [[TMP13]], i64 0177; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds float, ptr [[TMP14]], i64 -3178; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, ptr [[TMP15]], align 4179; CHECK-NEXT: [[REVERSE:%.*]] = shufflevector <4 x float> [[WIDE_LOAD]], <4 x float> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>180; CHECK-NEXT: [[TMP16:%.*]] = fadd fast <4 x float> [[REVERSE]], splat (float 1.000000e+00)181; CHECK-NEXT: [[TMP17:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDEX]]182; CHECK-NEXT: store <4 x float> [[TMP16]], ptr [[TMP17]], align 4183; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4184; CHECK-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]185; CHECK-NEXT: br i1 [[TMP19]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]186; CHECK: [[MIDDLE_BLOCK]]:187; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]188; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END_LOOPEXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]189; CHECK: [[VEC_EPILOG_ITER_CHECK]]:190; CHECK-NEXT: [[IND_END4:%.*]] = trunc i64 [[N_VEC]] to i32191; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 4192; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]193; CHECK: [[VEC_EPILOG_PH]]:194; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]195; CHECK-NEXT: [[N_MOD_VF2:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 4196; CHECK-NEXT: [[N_VEC3:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF2]]197; CHECK-NEXT: [[IND_END:%.*]] = trunc i64 [[N_VEC3]] to i32198; CHECK-NEXT: br label %[[VEC_EPILOG_VECTOR_BODY:.*]]199; CHECK: [[VEC_EPILOG_VECTOR_BODY]]:200; CHECK-NEXT: [[INDEX7:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT11:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]201; CHECK-NEXT: [[OFFSET_IDX8:%.*]] = trunc i64 [[INDEX7]] to i32202; CHECK-NEXT: [[TMP22:%.*]] = xor i32 [[OFFSET_IDX8]], -1203; CHECK-NEXT: [[TMP23:%.*]] = add i32 [[TMP22]], [[N]]204; CHECK-NEXT: [[TMP24:%.*]] = sext i32 [[TMP23]] to i64205; CHECK-NEXT: [[TMP25:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP24]]206; CHECK-NEXT: [[TMP26:%.*]] = getelementptr inbounds float, ptr [[TMP25]], i64 0207; CHECK-NEXT: [[TMP27:%.*]] = getelementptr inbounds float, ptr [[TMP26]], i64 -3208; CHECK-NEXT: [[WIDE_LOAD9:%.*]] = load <4 x float>, ptr [[TMP27]], align 4209; CHECK-NEXT: [[REVERSE10:%.*]] = shufflevector <4 x float> [[WIDE_LOAD9]], <4 x float> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>210; CHECK-NEXT: [[TMP28:%.*]] = fadd fast <4 x float> [[REVERSE10]], splat (float 1.000000e+00)211; CHECK-NEXT: [[TMP29:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDEX7]]212; CHECK-NEXT: store <4 x float> [[TMP28]], ptr [[TMP29]], align 4213; CHECK-NEXT: [[INDEX_NEXT11]] = add nuw i64 [[INDEX7]], 4214; CHECK-NEXT: [[TMP31:%.*]] = icmp eq i64 [[INDEX_NEXT11]], [[N_VEC3]]215; CHECK-NEXT: br i1 [[TMP31]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]216; CHECK: [[VEC_EPILOG_MIDDLE_BLOCK]]:217; CHECK-NEXT: [[CMP_N6:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC3]]218; CHECK-NEXT: br i1 [[CMP_N6]], label %[[FOR_END_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]]219; CHECK: [[VEC_EPILOG_SCALAR_PH]]:220; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_SCEVCHECK]] ], [ 0, %[[ITER_CHECK]] ]221; CHECK-NEXT: [[BC_RESUME_VAL9:%.*]] = phi i32 [ [[IND_END]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END4]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_SCEVCHECK]] ], [ 0, %[[ITER_CHECK]] ]222; CHECK-NEXT: br label %[[FOR_BODY:.*]]223; CHECK: [[FOR_BODY]]:224; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ]225; CHECK-NEXT: [[I_014:%.*]] = phi i32 [ [[BC_RESUME_VAL9]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]226; CHECK-NEXT: [[TMP32:%.*]] = xor i32 [[I_014]], -1227; CHECK-NEXT: [[SUB2:%.*]] = add i32 [[TMP32]], [[N]]228; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[SUB2]] to i64229; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[IDXPROM]]230; CHECK-NEXT: [[TMP33:%.*]] = load float, ptr [[ARRAYIDX]], align 4231; CHECK-NEXT: [[CONV3:%.*]] = fadd fast float [[TMP33]], 1.000000e+00232; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]233; CHECK-NEXT: store float [[CONV3]], ptr [[ARRAYIDX5]], align 4234; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1235; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_014]], 1236; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]237; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP8:![0-9]+]]238; CHECK: [[FOR_END_LOOPEXIT]]:239; CHECK-NEXT: br label %[[FOR_END]]240; CHECK: [[FOR_END]]:241; CHECK-NEXT: ret i32 0242;243; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define dso_local signext i32 @f2(244; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i32 signext [[N:%.*]]) {245; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ENTRY:.*:]]246; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[N]], 1247; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[CMP1]], label %[[FOR_BODY_PREHEADER:.*]], label %[[FOR_END:.*]]248; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_BODY_PREHEADER]]:249; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1250; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[TMP0]] to i64251; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[FOR_BODY:.*]]252; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_BODY]]:253; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, %[[FOR_BODY_PREHEADER]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ]254; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[I_014:%.*]] = phi i32 [ 0, %[[FOR_BODY_PREHEADER]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]255; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP1:%.*]] = xor i32 [[I_014]], -1256; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[SUB2:%.*]] = add i32 [[TMP1]], [[N]]257; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IDXPROM:%.*]] = sext i32 [[SUB2]] to i64258; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[IDXPROM]]259; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP2:%.*]] = load float, ptr [[ARRAYIDX]], align 4260; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[CONV3:%.*]] = fadd fast float [[TMP2]], 1.000000e+00261; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]262; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store float [[CONV3]], ptr [[ARRAYIDX5]], align 4263; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1264; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INC]] = add nuw nsw i32 [[I_014]], 1265; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]266; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT:.*]]267; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_END_LOOPEXIT]]:268; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[FOR_END]]269; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_END]]:270; CHECK-PROFITABLE-BY-DEFAULT-NEXT: ret i32 0271;272entry:273 %cmp1 = icmp sgt i32 %n, 1274 br i1 %cmp1, label %for.body.preheader, label %for.end275 276for.body.preheader: ; preds = %entry277 %0 = add i32 %n, -1278 %wide.trip.count = zext i32 %0 to i64279 br label %for.body280 281for.body: ; preds = %for.body.preheader, %for.body282 %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]283 %i.014 = phi i32 [ 0, %for.body.preheader ], [ %inc, %for.body ]284 %1 = xor i32 %i.014, -1285 %sub2 = add i32 %1, %n286 %idxprom = sext i32 %sub2 to i64287 %arrayidx = getelementptr inbounds float, ptr %B, i64 %idxprom288 %2 = load float, ptr %arrayidx, align 4289 %conv3 = fadd fast float %2, 1.000000e+00290 %arrayidx5 = getelementptr inbounds float, ptr %A, i64 %indvars.iv291 store float %conv3, ptr %arrayidx5, align 4292 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1293 %inc = add nuw nsw i32 %i.014, 1294 %exitcond = icmp ne i64 %indvars.iv.next, %wide.trip.count295 br i1 %exitcond, label %for.body, label %for.end.loopexit296 297for.end.loopexit: ; preds = %for.body298 br label %for.end299 300for.end: ; preds = %for.end.loopexit, %entry301 ret i32 0302}303 304define void @f3(ptr noalias %A, i64 %n) {305; CHECK-LABEL: define void @f3(306; CHECK-SAME: ptr noalias [[A:%.*]], i64 [[N:%.*]]) {307; CHECK-NEXT: [[ITER_CHECK:.*]]:308; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4309; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]310; CHECK: [[VECTOR_MAIN_LOOP_ITER_CHECK]]:311; CHECK-NEXT: [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[N]], 4312; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]313; CHECK: [[VECTOR_PH]]:314; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4315; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]316; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]317; CHECK: [[VECTOR_BODY]]:318; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]319; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX]]320; CHECK-NEXT: store <4 x i8> splat (i8 1), ptr [[TMP1]], align 1321; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4322; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]323; CHECK-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]324; CHECK: [[MIDDLE_BLOCK]]:325; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]326; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END_LOOPEXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]327; CHECK: [[VEC_EPILOG_ITER_CHECK]]:328; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 4329; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]330; CHECK: [[VEC_EPILOG_PH]]:331; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]332; CHECK-NEXT: [[N_MOD_VF2:%.*]] = urem i64 [[N]], 4333; CHECK-NEXT: [[N_VEC3:%.*]] = sub i64 [[N]], [[N_MOD_VF2]]334; CHECK-NEXT: br label %[[VEC_EPILOG_VECTOR_BODY:.*]]335; CHECK: [[VEC_EPILOG_VECTOR_BODY]]:336; CHECK-NEXT: [[INDEX5:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT6:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]337; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX5]]338; CHECK-NEXT: store <4 x i8> splat (i8 1), ptr [[TMP5]], align 1339; CHECK-NEXT: [[INDEX_NEXT6]] = add nuw i64 [[INDEX5]], 4340; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT6]], [[N_VEC3]]341; CHECK-NEXT: br i1 [[TMP7]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]342; CHECK: [[VEC_EPILOG_MIDDLE_BLOCK]]:343; CHECK-NEXT: [[CMP_N4:%.*]] = icmp eq i64 [[N]], [[N_VEC3]]344; CHECK-NEXT: br i1 [[CMP_N4]], label %[[FOR_END_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]]345; CHECK: [[VEC_EPILOG_SCALAR_PH]]:346; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]347; CHECK-NEXT: br label %[[FOR_BODY:.*]]348; CHECK: [[FOR_BODY]]:349; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ]350; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]]351; CHECK-NEXT: store i8 1, ptr [[ARRAYIDX]], align 1352; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1353; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[IV_NEXT]], [[N]]354; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP11:![0-9]+]]355; CHECK: [[FOR_END_LOOPEXIT]]:356; CHECK-NEXT: br label %[[FOR_END:.*]]357; CHECK: [[FOR_END]]:358; CHECK-NEXT: ret void359;360; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define void @f3(361; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr noalias [[A:%.*]], i64 [[N:%.*]]) {362; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ITER_CHECK:.*]]:363; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 2364; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]365; CHECK-PROFITABLE-BY-DEFAULT: [[VECTOR_MAIN_LOOP_ITER_CHECK]]:366; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[N]], 4367; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]368; CHECK-PROFITABLE-BY-DEFAULT: [[VECTOR_PH]]:369; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4370; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]371; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[VECTOR_BODY:.*]]372; CHECK-PROFITABLE-BY-DEFAULT: [[VECTOR_BODY]]:373; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]374; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX]]375; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store <4 x i8> splat (i8 1), ptr [[TMP1]], align 1376; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4377; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]378; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]379; CHECK-PROFITABLE-BY-DEFAULT: [[MIDDLE_BLOCK]]:380; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]381; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[CMP_N]], label %[[FOR_END_LOOPEXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]382; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_ITER_CHECK]]:383; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 2384; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3:![0-9]+]]385; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_PH]]:386; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]387; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[N_MOD_VF2:%.*]] = urem i64 [[N]], 2388; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[N_VEC3:%.*]] = sub i64 [[N]], [[N_MOD_VF2]]389; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[VEC_EPILOG_VECTOR_BODY:.*]]390; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_VECTOR_BODY]]:391; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX5:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT6:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]392; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX5]]393; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store <2 x i8> splat (i8 1), ptr [[TMP5]], align 1394; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX_NEXT6]] = add nuw i64 [[INDEX5]], 2395; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT6]], [[N_VEC3]]396; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[TMP7]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]397; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_MIDDLE_BLOCK]]:398; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[CMP_N4:%.*]] = icmp eq i64 [[N]], [[N_VEC3]]399; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[CMP_N4]], label %[[FOR_END_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]]400; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_SCALAR_PH]]:401; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]402; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[FOR_BODY:.*]]403; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_BODY]]:404; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ]405; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]]406; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store i8 1, ptr [[ARRAYIDX]], align 1407; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1408; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[IV_NEXT]], [[N]]409; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP5:![0-9]+]]410; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_END_LOOPEXIT]]:411; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[FOR_END:.*]]412; CHECK-PROFITABLE-BY-DEFAULT: [[FOR_END]]:413; CHECK-PROFITABLE-BY-DEFAULT-NEXT: ret void414;415entry:416 br label %for.body417 418for.body: ; preds = %for.body.preheader, %for.body419 %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]420 %arrayidx = getelementptr inbounds i8, ptr %A, i64 %iv421 store i8 1, ptr %arrayidx, align 1422 %iv.next = add nuw nsw i64 %iv, 1423 %exitcond = icmp ne i64 %iv.next, %n424 br i1 %exitcond, label %for.body, label %for.end.loopexit425 426for.end.loopexit: ; preds = %for.body427 br label %for.end428 429for.end: ; preds = %for.end.loopexit, %entry430 ret void431}432 433; Test case for PR54745.434define void @induction_resume_value_requires_non_trivial_scev_expansion(ptr %dst) {435; CHECK-LABEL: define void @induction_resume_value_requires_non_trivial_scev_expansion(436; CHECK-SAME: ptr [[DST:%.*]]) {437; CHECK-NEXT: [[ENTRY:.*]]:438; CHECK-NEXT: br label %[[ITER_CHECK:.*]]439; CHECK: [[ITER_CHECK]]:440; CHECK-NEXT: [[INDUCTION_IV:%.*]] = phi i8 [ [[INDUCTION_IV_NEXT:%.*]], %[[OUTER_LATCH:.*]] ], [ -56, %[[ENTRY]] ]441; CHECK-NEXT: [[INDVAR:%.*]] = phi i8 [ [[INDVAR_NEXT:%.*]], %[[OUTER_LATCH]] ], [ 0, %[[ENTRY]] ]442; CHECK-NEXT: [[OUTER_IV:%.*]] = phi i64 [ 2, %[[ENTRY]] ], [ [[OUTER_IV_NEXT:%.*]], %[[OUTER_LATCH]] ]443; CHECK-NEXT: [[P2:%.*]] = phi i32 [ -202, %[[ENTRY]] ], [ [[ADD:%.*]], %[[OUTER_LATCH]] ]444; CHECK-NEXT: [[TMP0:%.*]] = mul i8 [[INDVAR]], -1445; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[TMP0]], -3446; CHECK-NEXT: [[TRUNC_IV:%.*]] = trunc i64 [[OUTER_IV]] to i32447; CHECK-NEXT: [[ADD]] = add i32 [[P2]], [[TRUNC_IV]]448; CHECK-NEXT: [[TRUNC_ADD:%.*]] = trunc i32 [[ADD]] to i8449; CHECK-NEXT: br i1 false, label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]450; CHECK: [[VECTOR_MAIN_LOOP_ITER_CHECK]]:451; CHECK-NEXT: br i1 false, label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]452; CHECK: [[VECTOR_PH]]:453; CHECK-NEXT: [[IND_END:%.*]] = mul i8 84, [[INDUCTION_IV]]454; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i8> poison, i8 [[INDUCTION_IV]], i64 0455; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT]], <4 x i8> poison, <4 x i32> zeroinitializer456; CHECK-NEXT: [[TMP2:%.*]] = mul <4 x i8> <i8 0, i8 1, i8 2, i8 3>, [[DOTSPLAT]]457; CHECK-NEXT: [[INDUCTION:%.*]] = add <4 x i8> zeroinitializer, [[TMP2]]458; CHECK-NEXT: [[TMP3:%.*]] = mul i8 [[INDUCTION_IV]], 4459; CHECK-NEXT: [[DOTSPLATINSERT1:%.*]] = insertelement <4 x i8> poison, i8 [[TMP3]], i64 0460; CHECK-NEXT: [[DOTSPLAT2:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT1]], <4 x i8> poison, <4 x i32> zeroinitializer461; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]462; CHECK: [[VECTOR_BODY]]:463; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]464; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i8> [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]465; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]]466; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[OFFSET_IDX]]467; CHECK-NEXT: store <4 x i8> [[VEC_IND]], ptr [[TMP5]], align 1468; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4469; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i8> [[VEC_IND]], [[DOTSPLAT2]]470; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 84471; CHECK-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]472; CHECK: [[MIDDLE_BLOCK]]:473; CHECK-NEXT: br i1 true, label %[[OUTER_LATCH]], label %[[VEC_EPILOG_ITER_CHECK:.*]]474; CHECK: [[VEC_EPILOG_ITER_CHECK]]:475; CHECK-NEXT: [[IND_END5:%.*]] = mul i8 84, [[INDUCTION_IV]]476; CHECK-NEXT: br i1 true, label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]477; CHECK: [[VEC_EPILOG_PH]]:478; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ 84, %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]479; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]480; CHECK-NEXT: [[IND_END4:%.*]] = mul i8 84, [[INDUCTION_IV]]481; CHECK-NEXT: [[DOTSPLATINSERT8:%.*]] = insertelement <4 x i8> poison, i8 [[BC_RESUME_VAL]], i64 0482; CHECK-NEXT: [[DOTSPLAT9:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT8]], <4 x i8> poison, <4 x i32> zeroinitializer483; CHECK-NEXT: [[DOTSPLATINSERT10:%.*]] = insertelement <4 x i8> poison, i8 [[INDUCTION_IV]], i64 0484; CHECK-NEXT: [[DOTSPLAT11:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT10]], <4 x i8> poison, <4 x i32> zeroinitializer485; CHECK-NEXT: [[TMP8:%.*]] = mul <4 x i8> <i8 0, i8 1, i8 2, i8 3>, [[DOTSPLAT11]]486; CHECK-NEXT: [[INDUCTION12:%.*]] = add <4 x i8> [[DOTSPLAT9]], [[TMP8]]487; CHECK-NEXT: [[TMP9:%.*]] = mul i8 [[INDUCTION_IV]], 4488; CHECK-NEXT: [[DOTSPLATINSERT13:%.*]] = insertelement <4 x i8> poison, i8 [[TMP9]], i64 0489; CHECK-NEXT: [[DOTSPLAT14:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT13]], <4 x i8> poison, <4 x i32> zeroinitializer490; CHECK-NEXT: br label %[[VEC_EPILOG_VECTOR_BODY:.*]]491; CHECK: [[VEC_EPILOG_VECTOR_BODY]]:492; CHECK-NEXT: [[INDEX7:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT18:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]493; CHECK-NEXT: [[VEC_IND15:%.*]] = phi <4 x i8> [ [[INDUCTION12]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT16:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]494; CHECK-NEXT: [[OFFSET_IDX17:%.*]] = add i64 1, [[INDEX7]]495; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[OFFSET_IDX17]]496; CHECK-NEXT: store <4 x i8> [[VEC_IND15]], ptr [[TMP11]], align 1497; CHECK-NEXT: [[INDEX_NEXT18]] = add nuw i64 [[INDEX7]], 4498; CHECK-NEXT: [[VEC_IND_NEXT16]] = add <4 x i8> [[VEC_IND15]], [[DOTSPLAT14]]499; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT18]], 84500; CHECK-NEXT: br i1 [[TMP13]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]501; CHECK: [[VEC_EPILOG_MIDDLE_BLOCK]]:502; CHECK-NEXT: br i1 true, label %[[OUTER_LATCH]], label %[[VEC_EPILOG_SCALAR_PH]]503; CHECK: [[VEC_EPILOG_SCALAR_PH]]:504; CHECK-NEXT: [[BC_RESUME_VAL14:%.*]] = phi i64 [ 85, %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 85, %[[VEC_EPILOG_ITER_CHECK]] ], [ 1, %[[ITER_CHECK]] ]505; CHECK-NEXT: [[BC_RESUME_VAL15:%.*]] = phi i8 [ [[IND_END4]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END5]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]506; CHECK-NEXT: br label %[[INNER:.*]]507; CHECK: [[INNER]]:508; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL14]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[INNER]] ]509; CHECK-NEXT: [[IV_2:%.*]] = phi i8 [ [[BC_RESUME_VAL15]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], %[[INNER]] ]510; CHECK-NEXT: [[IV_2_NEXT]] = sub i8 [[IV_2]], [[TRUNC_ADD]]511; CHECK-NEXT: [[GEP_DST:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[IV]]512; CHECK-NEXT: store i8 [[IV_2]], ptr [[GEP_DST]], align 1513; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1514; CHECK-NEXT: [[EC:%.*]] = icmp ugt i64 [[IV]], 83515; CHECK-NEXT: br i1 [[EC]], label %[[OUTER_LATCH]], label %[[INNER]], !llvm.loop [[LOOP14:![0-9]+]]516; CHECK: [[OUTER_LATCH]]:517; CHECK-NEXT: [[OUTER_IV_NEXT]] = add nuw nsw i64 [[OUTER_IV]], 1518; CHECK-NEXT: [[INDVAR_NEXT]] = add i8 [[INDVAR]], 1519; CHECK-NEXT: [[INDUCTION_IV_NEXT]] = add i8 [[INDUCTION_IV]], [[TMP1]]520; CHECK-NEXT: br label %[[ITER_CHECK]]521;522; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define void @induction_resume_value_requires_non_trivial_scev_expansion(523; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr [[DST:%.*]]) {524; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ENTRY:.*]]:525; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[ITER_CHECK:.*]]526; CHECK-PROFITABLE-BY-DEFAULT: [[ITER_CHECK]]:527; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDUCTION_IV:%.*]] = phi i8 [ [[INDUCTION_IV_NEXT:%.*]], %[[OUTER_LATCH:.*]] ], [ -56, %[[ENTRY]] ]528; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDVAR:%.*]] = phi i8 [ [[INDVAR_NEXT:%.*]], %[[OUTER_LATCH]] ], [ 0, %[[ENTRY]] ]529; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[OUTER_IV:%.*]] = phi i64 [ 2, %[[ENTRY]] ], [ [[OUTER_IV_NEXT:%.*]], %[[OUTER_LATCH]] ]530; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[P2:%.*]] = phi i32 [ -202, %[[ENTRY]] ], [ [[ADD:%.*]], %[[OUTER_LATCH]] ]531; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP0:%.*]] = mul i8 [[INDVAR]], -1532; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP1:%.*]] = add i8 [[TMP0]], -3533; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TRUNC_IV:%.*]] = trunc i64 [[OUTER_IV]] to i32534; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ADD]] = add i32 [[P2]], [[TRUNC_IV]]535; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TRUNC_ADD:%.*]] = trunc i32 [[ADD]] to i8536; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 false, label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]537; CHECK-PROFITABLE-BY-DEFAULT: [[VECTOR_MAIN_LOOP_ITER_CHECK]]:538; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 false, label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]539; CHECK-PROFITABLE-BY-DEFAULT: [[VECTOR_PH]]:540; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IND_END:%.*]] = mul i8 84, [[INDUCTION_IV]]541; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i8> poison, i8 [[INDUCTION_IV]], i64 0542; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT]], <4 x i8> poison, <4 x i32> zeroinitializer543; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP2:%.*]] = mul <4 x i8> <i8 0, i8 1, i8 2, i8 3>, [[DOTSPLAT]]544; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDUCTION:%.*]] = add <4 x i8> zeroinitializer, [[TMP2]]545; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP3:%.*]] = mul i8 [[INDUCTION_IV]], 4546; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLATINSERT1:%.*]] = insertelement <4 x i8> poison, i8 [[TMP3]], i64 0547; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLAT2:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT1]], <4 x i8> poison, <4 x i32> zeroinitializer548; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[VECTOR_BODY:.*]]549; CHECK-PROFITABLE-BY-DEFAULT: [[VECTOR_BODY]]:550; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]551; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_IND:%.*]] = phi <4 x i8> [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]552; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]]553; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[OFFSET_IDX]]554; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store <4 x i8> [[VEC_IND]], ptr [[TMP5]], align 1555; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4556; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_IND_NEXT]] = add <4 x i8> [[VEC_IND]], [[DOTSPLAT2]]557; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 84558; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]559; CHECK-PROFITABLE-BY-DEFAULT: [[MIDDLE_BLOCK]]:560; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 true, label %[[OUTER_LATCH]], label %[[VEC_EPILOG_ITER_CHECK:.*]]561; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_ITER_CHECK]]:562; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IND_END5:%.*]] = mul i8 84, [[INDUCTION_IV]]563; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 true, label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]564; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_PH]]:565; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ 84, %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]566; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]567; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IND_END4:%.*]] = mul i8 84, [[INDUCTION_IV]]568; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLATINSERT8:%.*]] = insertelement <2 x i8> poison, i8 [[BC_RESUME_VAL]], i64 0569; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLAT9:%.*]] = shufflevector <2 x i8> [[DOTSPLATINSERT8]], <2 x i8> poison, <2 x i32> zeroinitializer570; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLATINSERT10:%.*]] = insertelement <2 x i8> poison, i8 [[INDUCTION_IV]], i64 0571; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLAT11:%.*]] = shufflevector <2 x i8> [[DOTSPLATINSERT10]], <2 x i8> poison, <2 x i32> zeroinitializer572; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP8:%.*]] = mul <2 x i8> <i8 0, i8 1>, [[DOTSPLAT11]]573; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDUCTION12:%.*]] = add <2 x i8> [[DOTSPLAT9]], [[TMP8]]574; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP9:%.*]] = mul i8 [[INDUCTION_IV]], 2575; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLATINSERT13:%.*]] = insertelement <2 x i8> poison, i8 [[TMP9]], i64 0576; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLAT14:%.*]] = shufflevector <2 x i8> [[DOTSPLATINSERT13]], <2 x i8> poison, <2 x i32> zeroinitializer577; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[VEC_EPILOG_VECTOR_BODY:.*]]578; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_VECTOR_BODY]]:579; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX7:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT18:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]580; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_IND15:%.*]] = phi <2 x i8> [ [[INDUCTION12]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT16:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]581; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[OFFSET_IDX17:%.*]] = add i64 1, [[INDEX7]]582; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[OFFSET_IDX17]]583; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store <2 x i8> [[VEC_IND15]], ptr [[TMP11]], align 1584; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX_NEXT18]] = add nuw i64 [[INDEX7]], 2585; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_IND_NEXT16]] = add <2 x i8> [[VEC_IND15]], [[DOTSPLAT14]]586; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT18]], 84587; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[TMP13]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]588; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_MIDDLE_BLOCK]]:589; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 true, label %[[OUTER_LATCH]], label %[[VEC_EPILOG_SCALAR_PH]]590; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_SCALAR_PH]]:591; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[BC_RESUME_VAL14:%.*]] = phi i64 [ 85, %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 85, %[[VEC_EPILOG_ITER_CHECK]] ], [ 1, %[[ITER_CHECK]] ]592; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[BC_RESUME_VAL15:%.*]] = phi i8 [ [[IND_END4]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END5]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]593; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[INNER:.*]]594; CHECK-PROFITABLE-BY-DEFAULT: [[INNER]]:595; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL14]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[INNER]] ]596; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV_2:%.*]] = phi i8 [ [[BC_RESUME_VAL15]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], %[[INNER]] ]597; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV_2_NEXT]] = sub i8 [[IV_2]], [[TRUNC_ADD]]598; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[GEP_DST:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[IV]]599; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store i8 [[IV_2]], ptr [[GEP_DST]], align 1600; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1601; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[EC:%.*]] = icmp ugt i64 [[IV]], 83602; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[EC]], label %[[OUTER_LATCH]], label %[[INNER]], !llvm.loop [[LOOP8:![0-9]+]]603; CHECK-PROFITABLE-BY-DEFAULT: [[OUTER_LATCH]]:604; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[OUTER_IV_NEXT]] = add nuw nsw i64 [[OUTER_IV]], 1605; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDVAR_NEXT]] = add i8 [[INDVAR]], 1606; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDUCTION_IV_NEXT]] = add i8 [[INDUCTION_IV]], [[TMP1]]607; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[ITER_CHECK]]608;609entry:610 br label %outer.header611 612outer.header:613 %outer.iv = phi i64 [ 2, %entry ], [ %outer.iv.next, %outer.latch ]614 %p2 = phi i32 [ -202, %entry ], [ %add, %outer.latch ]615 %trunc.iv = trunc i64 %outer.iv to i32616 %add = add i32 %p2, %trunc.iv617 %trunc.add = trunc i32 %add to i8618 br label %inner619 620inner:621 %iv = phi i64 [ 1, %outer.header ], [ %iv.next, %inner ]622 %iv.2 = phi i8 [ 0, %outer.header ], [ %iv.2.next, %inner ]623 %iv.2.next = sub i8 %iv.2, %trunc.add624 %gep.dst = getelementptr inbounds i8, ptr %dst, i64 %iv625 store i8 %iv.2, ptr %gep.dst626 %iv.next = add nuw nsw i64 %iv, 1627 %ec = icmp ugt i64 %iv, 83628 br i1 %ec, label %outer.latch, label %inner629 630outer.latch:631 %outer.iv.next = add nuw nsw i64 %outer.iv, 1632 br label %outer.header633}634 635; Check handling of widened/truncated inductions.636define void @f4(ptr noalias %A, i32 signext %n) {637; CHECK-LABEL: define void @f4(638; CHECK-SAME: ptr noalias [[A:%.*]], i32 signext [[N:%.*]]) {639; CHECK-NEXT: [[ITER_CHECK:.*]]:640; CHECK-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64641; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 4642; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]643; CHECK: [[VECTOR_MAIN_LOOP_ITER_CHECK]]:644; CHECK-NEXT: [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 4645; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]646; CHECK: [[VECTOR_PH]]:647; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 4648; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF]]649; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]650; CHECK: [[VECTOR_BODY]]:651; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]652; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]653; CHECK-NEXT: [[TMP1:%.*]] = trunc <4 x i32> [[VEC_IND]] to <4 x i8>654; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX]]655; CHECK-NEXT: store <4 x i8> [[TMP1]], ptr [[TMP2]], align 1656; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4657; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], splat (i32 4)658; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]659; CHECK-NEXT: br i1 [[TMP4]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]660; CHECK: [[MIDDLE_BLOCK]]:661; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]662; CHECK-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]663; CHECK: [[VEC_EPILOG_ITER_CHECK]]:664; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 4665; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]666; CHECK: [[VEC_EPILOG_PH]]:667; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]668; CHECK-NEXT: [[N_MOD_VF2:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 4669; CHECK-NEXT: [[N_VEC3:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF2]]670; CHECK-NEXT: [[TMP5:%.*]] = trunc i64 [[VEC_EPILOG_RESUME_VAL]] to i32671; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TMP5]], i64 0672; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer673; CHECK-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 1, i32 2, i32 3>674; CHECK-NEXT: br label %[[VEC_EPILOG_VECTOR_BODY:.*]]675; CHECK: [[VEC_EPILOG_VECTOR_BODY]]:676; CHECK-NEXT: [[INDEX6:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT9:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]677; CHECK-NEXT: [[VEC_IND7:%.*]] = phi <4 x i32> [ [[INDUCTION]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT7:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]678; CHECK-NEXT: [[TMP7:%.*]] = trunc <4 x i32> [[VEC_IND7]] to <4 x i8>679; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX6]]680; CHECK-NEXT: store <4 x i8> [[TMP7]], ptr [[TMP8]], align 1681; CHECK-NEXT: [[INDEX_NEXT9]] = add nuw i64 [[INDEX6]], 4682; CHECK-NEXT: [[VEC_IND_NEXT7]] = add <4 x i32> [[VEC_IND7]], splat (i32 4)683; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT9]], [[N_VEC3]]684; CHECK-NEXT: br i1 [[TMP10]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]685; CHECK: [[VEC_EPILOG_MIDDLE_BLOCK]]:686; CHECK-NEXT: [[CMP_N5:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC3]]687; CHECK-NEXT: br i1 [[CMP_N5]], label %[[EXIT]], label %[[VEC_EPILOG_SCALAR_PH]]688; CHECK: [[VEC_EPILOG_SCALAR_PH]]:689; CHECK-NEXT: [[BC_RESUME_VAL9:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]690; CHECK-NEXT: br label %[[LOOP:.*]]691; CHECK: [[LOOP]]:692; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL9]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]693; CHECK-NEXT: [[TMP11:%.*]] = trunc i64 [[IV]] to i32694; CHECK-NEXT: [[CONV:%.*]] = trunc i32 [[TMP11]] to i8695; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]]696; CHECK-NEXT: store i8 [[CONV]], ptr [[ARRAYIDX]], align 1697; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1698; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[IV_NEXT]], [[WIDE_TRIP_COUNT]]699; CHECK-NEXT: br i1 [[EXITCOND]], label %[[LOOP]], label %[[EXIT]], !llvm.loop [[LOOP17:![0-9]+]]700; CHECK: [[EXIT]]:701; CHECK-NEXT: ret void702;703; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define void @f4(704; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr noalias [[A:%.*]], i32 signext [[N:%.*]]) {705; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ITER_CHECK:.*]]:706; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64707; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 2708; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]709; CHECK-PROFITABLE-BY-DEFAULT: [[VECTOR_MAIN_LOOP_ITER_CHECK]]:710; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 4711; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]712; CHECK-PROFITABLE-BY-DEFAULT: [[VECTOR_PH]]:713; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 4714; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[N_VEC:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF]]715; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[VECTOR_BODY:.*]]716; CHECK-PROFITABLE-BY-DEFAULT: [[VECTOR_BODY]]:717; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]718; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]719; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP1:%.*]] = trunc <4 x i32> [[VEC_IND]] to <4 x i8>720; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX]]721; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store <4 x i8> [[TMP1]], ptr [[TMP2]], align 1722; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4723; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], splat (i32 4)724; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]725; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[TMP4]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]726; CHECK-PROFITABLE-BY-DEFAULT: [[MIDDLE_BLOCK]]:727; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]728; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]729; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_ITER_CHECK]]:730; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 2731; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]732; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_PH]]:733; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]734; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[N_MOD_VF2:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 2735; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[N_VEC3:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF2]]736; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP5:%.*]] = trunc i64 [[VEC_EPILOG_RESUME_VAL]] to i32737; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[TMP5]], i64 0738; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer739; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1>740; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[VEC_EPILOG_VECTOR_BODY:.*]]741; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_VECTOR_BODY]]:742; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX6:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT9:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]743; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_IND7:%.*]] = phi <2 x i32> [ [[INDUCTION]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT7:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]744; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP7:%.*]] = trunc <2 x i32> [[VEC_IND7]] to <2 x i8>745; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP8:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX6]]746; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store <2 x i8> [[TMP7]], ptr [[TMP8]], align 1747; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[INDEX_NEXT9]] = add nuw i64 [[INDEX6]], 2748; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[VEC_IND_NEXT7]] = add <2 x i32> [[VEC_IND7]], splat (i32 2)749; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT9]], [[N_VEC3]]750; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[TMP10]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]751; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_MIDDLE_BLOCK]]:752; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[CMP_N5:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC3]]753; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[CMP_N5]], label %[[EXIT]], label %[[VEC_EPILOG_SCALAR_PH]]754; CHECK-PROFITABLE-BY-DEFAULT: [[VEC_EPILOG_SCALAR_PH]]:755; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[BC_RESUME_VAL9:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]756; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[LOOP:.*]]757; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP]]:758; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL9]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]759; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[TMP11:%.*]] = trunc i64 [[IV]] to i32760; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[CONV:%.*]] = trunc i32 [[TMP11]] to i8761; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]]762; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store i8 [[CONV]], ptr [[ARRAYIDX]], align 1763; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1764; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[IV_NEXT]], [[WIDE_TRIP_COUNT]]765; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[EXITCOND]], label %[[LOOP]], label %[[EXIT]], !llvm.loop [[LOOP11:![0-9]+]]766; CHECK-PROFITABLE-BY-DEFAULT: [[EXIT]]:767; CHECK-PROFITABLE-BY-DEFAULT-NEXT: ret void768;769entry:770 %wide.trip.count = zext i32 %n to i64771 br label %loop772 773loop:774 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]775 %0 = trunc i64 %iv to i32776 %conv = trunc i32 %0 to i8777 %arrayidx = getelementptr inbounds i8, ptr %A, i64 %iv778 store i8 %conv, ptr %arrayidx, align 1779 %iv.next = add nuw nsw i64 %iv, 1780 %exitcond = icmp ne i64 %iv.next, %wide.trip.count781 br i1 %exitcond, label %loop, label %exit782 783exit:784 ret void785}786 787define void @multiple_ivs_wide(ptr %dst) {788; CHECK-LABEL: define void @multiple_ivs_wide(789; CHECK-SAME: ptr [[DST:%.*]]) {790; CHECK-NEXT: [[ITER_CHECK:.*]]:791; CHECK-NEXT: br i1 false, label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]792; CHECK: [[VECTOR_MAIN_LOOP_ITER_CHECK]]:793; CHECK-NEXT: br i1 false, label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]794; CHECK: [[VECTOR_PH]]:795; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]796; CHECK: [[VECTOR_BODY]]:797; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]798; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 -64, i32 -62, i32 -60, i32 -58>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]799; CHECK-NEXT: [[TMP0:%.*]] = mul i32 [[INDEX]], 2800; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[TMP0]], 0801; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[TMP0]], 2802; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP0]], 4803; CHECK-NEXT: [[TMP4:%.*]] = add i32 [[TMP0]], 6804; CHECK-NEXT: [[TMP5:%.*]] = add <4 x i32> [[VEC_IND]], splat (i32 2)805; CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x i32> [[TMP5]], i32 0806; CHECK-NEXT: [[TMP11:%.*]] = extractelement <4 x i32> [[TMP5]], i32 1807; CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i32> [[TMP5]], i32 2808; CHECK-NEXT: [[TMP13:%.*]] = extractelement <4 x i32> [[TMP5]], i32 3809; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP1]]810; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP2]]811; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP3]]812; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP4]]813; CHECK-NEXT: store i32 [[TMP10]], ptr [[TMP6]], align 4814; CHECK-NEXT: store i32 [[TMP11]], ptr [[TMP7]], align 4815; CHECK-NEXT: store i32 [[TMP12]], ptr [[TMP8]], align 4816; CHECK-NEXT: store i32 [[TMP13]], ptr [[TMP9]], align 4817; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4818; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], splat (i32 8)819; CHECK-NEXT: [[TMP14:%.*]] = icmp eq i32 [[INDEX_NEXT]], 64820; CHECK-NEXT: br i1 [[TMP14]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]821; CHECK: [[MIDDLE_BLOCK]]:822; CHECK-NEXT: br i1 true, label %[[EXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]823; CHECK: [[VEC_EPILOG_ITER_CHECK]]:824; CHECK-NEXT: br i1 true, label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]825; CHECK: [[VEC_EPILOG_PH]]:826; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i32 [ 64, %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]827; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 64, %[[VEC_EPILOG_ITER_CHECK]] ], [ -64, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]828; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[BC_RESUME_VAL]], i64 0829; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer830; CHECK-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 2, i32 4, i32 6>831; CHECK-NEXT: br label %[[VEC_EPILOG_VECTOR_BODY:.*]]832; CHECK: [[VEC_EPILOG_VECTOR_BODY]]:833; CHECK-NEXT: [[INDEX1:%.*]] = phi i32 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT4:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]834; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ [[INDUCTION]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT3:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]835; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i32 [[INDEX1]], 2836; CHECK-NEXT: [[TMP15:%.*]] = add i32 [[OFFSET_IDX]], 0837; CHECK-NEXT: [[TMP16:%.*]] = add i32 [[OFFSET_IDX]], 2838; CHECK-NEXT: [[TMP17:%.*]] = add i32 [[OFFSET_IDX]], 4839; CHECK-NEXT: [[TMP18:%.*]] = add i32 [[OFFSET_IDX]], 6840; CHECK-NEXT: [[TMP19:%.*]] = add <4 x i32> [[VEC_IND2]], splat (i32 2)841; CHECK-NEXT: [[TMP24:%.*]] = extractelement <4 x i32> [[TMP19]], i32 0842; CHECK-NEXT: [[TMP25:%.*]] = extractelement <4 x i32> [[TMP19]], i32 1843; CHECK-NEXT: [[TMP26:%.*]] = extractelement <4 x i32> [[TMP19]], i32 2844; CHECK-NEXT: [[TMP27:%.*]] = extractelement <4 x i32> [[TMP19]], i32 3845; CHECK-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP15]]846; CHECK-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP16]]847; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP17]]848; CHECK-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP18]]849; CHECK-NEXT: store i32 [[TMP24]], ptr [[TMP20]], align 4850; CHECK-NEXT: store i32 [[TMP25]], ptr [[TMP21]], align 4851; CHECK-NEXT: store i32 [[TMP26]], ptr [[TMP22]], align 4852; CHECK-NEXT: store i32 [[TMP27]], ptr [[TMP23]], align 4853; CHECK-NEXT: [[INDEX_NEXT4]] = add nuw i32 [[INDEX1]], 4854; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], splat (i32 8)855; CHECK-NEXT: [[TMP28:%.*]] = icmp eq i32 [[INDEX_NEXT4]], 64856; CHECK-NEXT: br i1 [[TMP28]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]857; CHECK: [[VEC_EPILOG_MIDDLE_BLOCK]]:858; CHECK-NEXT: br i1 true, label %[[EXIT]], label %[[VEC_EPILOG_SCALAR_PH]]859; CHECK: [[VEC_EPILOG_SCALAR_PH]]:860; CHECK-NEXT: [[BC_RESUME_VAL5:%.*]] = phi i32 [ 128, %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 128, %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]861; CHECK-NEXT: [[BC_RESUME_VAL6:%.*]] = phi i32 [ 64, %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 64, %[[VEC_EPILOG_ITER_CHECK]] ], [ -64, %[[ITER_CHECK]] ]862; CHECK-NEXT: br label %[[LOOP:.*]]863; CHECK: [[LOOP]]:864; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[BC_RESUME_VAL5]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]865; CHECK-NEXT: [[IV_2:%.*]] = phi i32 [ [[BC_RESUME_VAL6]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], %[[LOOP]] ]866; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 2867; CHECK-NEXT: [[IV_2_NEXT]] = add i32 [[IV_2]], 2868; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[IV]]869; CHECK-NEXT: store i32 [[IV_2_NEXT]], ptr [[GEP]], align 4870; CHECK-NEXT: [[EC:%.*]] = icmp eq i32 [[IV_NEXT]], 128871; CHECK-NEXT: br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP20:![0-9]+]]872; CHECK: [[EXIT]]:873; CHECK-NEXT: ret void874;875; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define void @multiple_ivs_wide(876; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr [[DST:%.*]]) {877; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[ENTRY:.*]]:878; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br label %[[LOOP:.*]]879; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP]]:880; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]881; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV_2:%.*]] = phi i32 [ -64, %[[ENTRY]] ], [ [[IV_2_NEXT:%.*]], %[[LOOP]] ]882; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV_NEXT]] = add i32 [[IV]], 2883; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[IV_2_NEXT]] = add i32 [[IV_2]], 2884; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[IV]]885; CHECK-PROFITABLE-BY-DEFAULT-NEXT: store i32 [[IV_2_NEXT]], ptr [[GEP]], align 4886; CHECK-PROFITABLE-BY-DEFAULT-NEXT: [[EC:%.*]] = icmp eq i32 [[IV_NEXT]], 128887; CHECK-PROFITABLE-BY-DEFAULT-NEXT: br i1 [[EC]], label %[[EXIT:.*]], label %[[LOOP]]888; CHECK-PROFITABLE-BY-DEFAULT: [[EXIT]]:889; CHECK-PROFITABLE-BY-DEFAULT-NEXT: ret void890;891entry:892 br label %loop893 894loop:895 %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]896 %iv.2 = phi i32 [ -64, %entry ], [ %iv.2.next, %loop ]897 %iv.next = add i32 %iv, 2898 %iv.2.next = add i32 %iv.2, 2899 %gep = getelementptr inbounds i32, ptr %dst, i32 %iv900 store i32 %iv.2.next, ptr %gep, align 4901 %ec = icmp eq i32 %iv.next, 128902 br i1 %ec, label %exit, label %loop903 904exit: ; preds = %loop905 ret void906}907;.908; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}909; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}910; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}911; CHECK: [[PROF3]] = !{!"branch_weights", i32 4, i32 0}912; CHECK: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]}913; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]}914; CHECK: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]}915; CHECK: [[LOOP7]] = distinct !{[[LOOP7]], [[META1]], [[META2]]}916; CHECK: [[LOOP8]] = distinct !{[[LOOP8]], [[META1]]}917; CHECK: [[LOOP9]] = distinct !{[[LOOP9]], [[META1]], [[META2]]}918; CHECK: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]}919; CHECK: [[LOOP11]] = distinct !{[[LOOP11]], [[META2]], [[META1]]}920; CHECK: [[LOOP12]] = distinct !{[[LOOP12]], [[META1]], [[META2]]}921; CHECK: [[LOOP13]] = distinct !{[[LOOP13]], [[META1]], [[META2]]}922; CHECK: [[LOOP14]] = distinct !{[[LOOP14]], [[META2]], [[META1]]}923; CHECK: [[LOOP15]] = distinct !{[[LOOP15]], [[META1]], [[META2]]}924; CHECK: [[LOOP16]] = distinct !{[[LOOP16]], [[META1]], [[META2]]}925; CHECK: [[LOOP17]] = distinct !{[[LOOP17]], [[META2]], [[META1]]}926; CHECK: [[LOOP18]] = distinct !{[[LOOP18]], [[META1]], [[META2]]}927; CHECK: [[LOOP19]] = distinct !{[[LOOP19]], [[META1]], [[META2]]}928; CHECK: [[LOOP20]] = distinct !{[[LOOP20]], [[META2]], [[META1]]}929;.930; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}931; CHECK-PROFITABLE-BY-DEFAULT: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}932; CHECK-PROFITABLE-BY-DEFAULT: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}933; CHECK-PROFITABLE-BY-DEFAULT: [[PROF3]] = !{!"branch_weights", i32 2, i32 2}934; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]}935; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]}936; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]}937; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP7]] = distinct !{[[LOOP7]], [[META1]], [[META2]]}938; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP8]] = distinct !{[[LOOP8]], [[META2]], [[META1]]}939; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP9]] = distinct !{[[LOOP9]], [[META1]], [[META2]]}940; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]}941; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP11]] = distinct !{[[LOOP11]], [[META2]], [[META1]]}942;.943