| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=loop-vectorize -mcpu=znver2 -S %s | FileCheck %s |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @test_pr59459(i64 %iv.start, ptr %arr) { |
| ; CHECK-LABEL: @test_pr59459( |
| ; CHECK-NEXT: iter.check: |
| ; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[IV_START:%.*]] to i32 |
| ; CHECK-NEXT: [[SMAX1:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 92) |
| ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[SMAX1]], [[TMP0]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = zext i32 [[TMP1]] to i64 |
| ; CHECK-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP2]], 1 |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP3]], 4 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] |
| ; CHECK: vector.scevcheck: |
| ; CHECK-NEXT: [[TMP4:%.*]] = trunc i64 [[IV_START]] to i32 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP4]], i32 92) |
| ; CHECK-NEXT: [[TMP5:%.*]] = sub i32 [[SMAX]], [[TMP4]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = add i32 [[TMP4]], -1 |
| ; CHECK-NEXT: [[TMP7:%.*]] = add i32 [[TMP6]], [[TMP5]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = icmp ult i32 [[TMP7]], [[TMP6]] |
| ; CHECK-NEXT: br i1 [[TMP8]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]] |
| ; CHECK: vector.main.loop.iter.check: |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK2:%.*]] = icmp ult i64 [[TMP3]], 16 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK2]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP3]], 16 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP3]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[IND_END:%.*]] = add i64 [[IV_START]], [[N_VEC]] |
| ; CHECK-NEXT: [[TMP9:%.*]] = trunc i64 [[IV_START]] to i32 |
| ; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <16 x i32> poison, i32 [[TMP9]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <16 x i32> [[DOTSPLATINSERT]], <16 x i32> poison, <16 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add <16 x i32> [[DOTSPLAT]], <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15> |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <16 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[IV_START]], [[INDEX]] |
| ; CHECK-NEXT: [[TMP10:%.*]] = trunc i64 [[OFFSET_IDX]] to i32 |
| ; CHECK-NEXT: [[TMP12:%.*]] = add i32 [[TMP10]], -1 |
| ; CHECK-NEXT: [[TMP13:%.*]] = mul <16 x i32> [[VEC_IND]], splat (i32 196608) |
| ; CHECK-NEXT: [[TMP14:%.*]] = lshr exact <16 x i32> [[TMP13]], splat (i32 16) |
| ; CHECK-NEXT: [[TMP15:%.*]] = trunc <16 x i32> [[TMP14]] to <16 x i16> |
| ; CHECK-NEXT: [[TMP16:%.*]] = zext i32 [[TMP12]] to i64 |
| ; CHECK-NEXT: [[TMP17:%.*]] = getelementptr i16, ptr [[ARR:%.*]], i64 [[TMP16]] |
| ; CHECK-NEXT: store <16 x i16> [[TMP15]], ptr [[TMP17]], align 2 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16 |
| ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <16 x i32> [[VEC_IND]], splat (i32 16) |
| ; CHECK-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP3]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]] |
| ; CHECK: vec.epilog.iter.check: |
| ; CHECK-NEXT: [[IND_END6:%.*]] = add i64 [[IV_START]], [[N_VEC]] |
| ; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 4 |
| ; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]] |
| ; CHECK: vec.epilog.ph: |
| ; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[VEC_EPILOG_ITER_CHECK]] ], [ [[IV_START]], [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] |
| ; CHECK-NEXT: [[N_MOD_VF3:%.*]] = urem i64 [[TMP3]], 4 |
| ; CHECK-NEXT: [[N_VEC4:%.*]] = sub i64 [[TMP3]], [[N_MOD_VF3]] |
| ; CHECK-NEXT: [[IND_END5:%.*]] = add i64 [[IV_START]], [[N_VEC4]] |
| ; CHECK-NEXT: [[TMP20:%.*]] = trunc i64 [[BC_RESUME_VAL]] to i32 |
| ; CHECK-NEXT: [[DOTSPLATINSERT9:%.*]] = insertelement <4 x i32> poison, i32 [[TMP20]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT10:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT9]], <4 x i32> poison, <4 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDUCTION11:%.*]] = add <4 x i32> [[DOTSPLAT10]], <i32 0, i32 1, i32 2, i32 3> |
| ; CHECK-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]] |
| ; CHECK: vec.epilog.vector.body: |
| ; CHECK-NEXT: [[INDEX8:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT15:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND12:%.*]] = phi <4 x i32> [ [[INDUCTION11]], [[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT13:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[OFFSET_IDX14:%.*]] = add i64 [[IV_START]], [[INDEX8]] |
| ; CHECK-NEXT: [[TMP21:%.*]] = trunc i64 [[OFFSET_IDX14]] to i32 |
| ; CHECK-NEXT: [[TMP23:%.*]] = add i32 [[TMP21]], -1 |
| ; CHECK-NEXT: [[TMP24:%.*]] = mul <4 x i32> [[VEC_IND12]], splat (i32 196608) |
| ; CHECK-NEXT: [[TMP25:%.*]] = lshr exact <4 x i32> [[TMP24]], splat (i32 16) |
| ; CHECK-NEXT: [[TMP26:%.*]] = trunc <4 x i32> [[TMP25]] to <4 x i16> |
| ; CHECK-NEXT: [[TMP27:%.*]] = zext i32 [[TMP23]] to i64 |
| ; CHECK-NEXT: [[TMP28:%.*]] = getelementptr i16, ptr [[ARR]], i64 [[TMP27]] |
| ; CHECK-NEXT: store <4 x i16> [[TMP26]], ptr [[TMP28]], align 2 |
| ; CHECK-NEXT: [[INDEX_NEXT15]] = add nuw i64 [[INDEX8]], 4 |
| ; CHECK-NEXT: [[VEC_IND_NEXT13]] = add <4 x i32> [[VEC_IND12]], splat (i32 4) |
| ; CHECK-NEXT: [[TMP30:%.*]] = icmp eq i64 [[INDEX_NEXT15]], [[N_VEC4]] |
| ; CHECK-NEXT: br i1 [[TMP30]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] |
| ; CHECK: vec.epilog.middle.block: |
| ; CHECK-NEXT: [[CMP_N16:%.*]] = icmp eq i64 [[TMP3]], [[N_VEC4]] |
| ; CHECK-NEXT: br i1 [[CMP_N16]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]] |
| ; CHECK: vec.epilog.scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL7:%.*]] = phi i64 [ [[IND_END5]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END6]], [[VEC_EPILOG_ITER_CHECK]] ], [ [[IV_START]], [[VECTOR_SCEVCHECK]] ], [ [[IV_START]], [[ITER_CHECK:%.*]] ] |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL7]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[IV_TRUNC:%.*]] = trunc i64 [[IV]] to i32 |
| ; CHECK-NEXT: [[STORE_IDX:%.*]] = add i32 [[IV_TRUNC]], -1 |
| ; CHECK-NEXT: [[X:%.*]] = mul i32 [[IV_TRUNC]], 196608 |
| ; CHECK-NEXT: [[Y:%.*]] = lshr exact i32 [[X]], 16 |
| ; CHECK-NEXT: [[STORE_VAL:%.*]] = trunc i32 [[Y]] to i16 |
| ; CHECK-NEXT: [[STORE_IDX_WIDE:%.*]] = zext i32 [[STORE_IDX]] to i64 |
| ; CHECK-NEXT: [[ADDR:%.*]] = getelementptr i16, ptr [[ARR]], i64 [[STORE_IDX_WIDE]] |
| ; CHECK-NEXT: store i16 [[STORE_VAL]], ptr [[ADDR]], align 2 |
| ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 |
| ; CHECK-NEXT: [[LOOP_COND:%.*]] = icmp sgt i32 [[IV_TRUNC]], 91 |
| ; CHECK-NEXT: br i1 [[LOOP_COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP4:![0-9]+]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: ret void |
| ; |
| |
| |
| entry: |
| br label %loop |
| |
| loop: |
| %iv = phi i64 [ %iv.start, %entry ], [ %iv.next, %loop ] |
| %iv.trunc = trunc i64 %iv to i32 |
| %store.idx = add i32 %iv.trunc, -1 |
| %x = mul i32 %iv.trunc, 196608 |
| %y = lshr exact i32 %x, 16 |
| %store.val = trunc i32 %y to i16 |
| %store.idx.wide = zext i32 %store.idx to i64 |
| %addr = getelementptr i16, ptr %arr, i64 %store.idx.wide |
| store i16 %store.val, ptr %addr |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %loop.cond = icmp sgt i32 %iv.trunc, 91 |
| br i1 %loop.cond, label %exit, label %loop |
| |
| exit: |
| ret void |
| } |
| |
| define void @test_induction_step_needs_expansion(ptr noalias %j, ptr %k, i64 %l, i16 %off) { |
| ; CHECK-LABEL: @test_induction_step_needs_expansion( |
| ; CHECK-NEXT: iter.check: |
| ; CHECK-NEXT: [[TMP0:%.*]] = sub i16 0, [[OFF:%.*]] |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[L:%.*]], 8 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]] |
| ; CHECK: vector.main.loop.iter.check: |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[L]], 64 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK1]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[L]], 64 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[L]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <16 x i16> poison, i16 [[TMP0]], i64 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <16 x i16> [[DOTSPLATINSERT2]], <16 x i16> poison, <16 x i32> zeroinitializer |
| ; CHECK-NEXT: [[DOTCAST:%.*]] = trunc i64 [[N_VEC]] to i16 |
| ; CHECK-NEXT: [[IND_END:%.*]] = mul i16 [[DOTCAST]], [[TMP0]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = mul <16 x i16> splat (i16 16), [[TMP2]] |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <16 x i16> poison, i16 [[OFF]], i64 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <16 x i16> [[BROADCAST_SPLATINSERT2]], <16 x i16> poison, <16 x i32> zeroinitializer |
| ; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <16 x i16> poison, i16 [[TMP0]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <16 x i16> [[DOTSPLATINSERT]], <16 x i16> poison, <16 x i32> zeroinitializer |
| ; CHECK-NEXT: [[TMP11:%.*]] = mul <16 x i16> <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 8, i16 9, i16 10, i16 11, i16 12, i16 13, i16 14, i16 15>, [[DOTSPLAT]] |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add <16 x i16> zeroinitializer, [[TMP11]] |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <16 x i16> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[STEP_ADD:%.*]] = add <16 x i16> [[VEC_IND]], [[TMP1]] |
| ; CHECK-NEXT: [[STEP_ADD_2:%.*]] = add <16 x i16> [[STEP_ADD]], [[TMP1]] |
| ; CHECK-NEXT: [[STEP_ADD_3:%.*]] = add <16 x i16> [[STEP_ADD_2]], [[TMP1]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = sub <16 x i16> [[VEC_IND]], [[BROADCAST_SPLAT3]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = sub <16 x i16> [[STEP_ADD]], [[BROADCAST_SPLAT3]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = sub <16 x i16> [[STEP_ADD_2]], [[BROADCAST_SPLAT3]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = sub <16 x i16> [[STEP_ADD_3]], [[BROADCAST_SPLAT3]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i16, ptr [[K:%.*]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i16, ptr [[TMP8]], i32 16 |
| ; CHECK-NEXT: [[TMP21:%.*]] = getelementptr inbounds i16, ptr [[TMP8]], i32 32 |
| ; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i16, ptr [[TMP8]], i32 48 |
| ; CHECK-NEXT: store <16 x i16> [[TMP4]], ptr [[TMP8]], align 2 |
| ; CHECK-NEXT: store <16 x i16> [[TMP5]], ptr [[TMP10]], align 2 |
| ; CHECK-NEXT: store <16 x i16> [[TMP6]], ptr [[TMP21]], align 2 |
| ; CHECK-NEXT: store <16 x i16> [[TMP7]], ptr [[TMP12]], align 2 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 64 |
| ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <16 x i16> [[STEP_ADD_3]], [[TMP1]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[L]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]] |
| ; CHECK: vec.epilog.iter.check: |
| ; CHECK-NEXT: [[DOTCAST9:%.*]] = trunc i64 [[N_VEC]] to i16 |
| ; CHECK-NEXT: [[IND_END10:%.*]] = mul i16 [[DOTCAST9]], [[TMP0]] |
| ; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 8 |
| ; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]] |
| ; CHECK: vec.epilog.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ [[IND_END]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] |
| ; CHECK-NEXT: [[N_MOD_VF4:%.*]] = urem i64 [[L]], 8 |
| ; CHECK-NEXT: [[N_VEC5:%.*]] = sub i64 [[L]], [[N_MOD_VF4]] |
| ; CHECK-NEXT: [[DOTCAST7:%.*]] = trunc i64 [[N_VEC5]] to i16 |
| ; CHECK-NEXT: [[IND_END8:%.*]] = mul i16 [[DOTCAST7]], [[TMP0]] |
| ; CHECK-NEXT: [[DOTSPLATINSERT13:%.*]] = insertelement <8 x i16> poison, i16 [[OFF]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT14:%.*]] = shufflevector <8 x i16> [[DOTSPLATINSERT13]], <8 x i16> poison, <8 x i32> zeroinitializer |
| ; CHECK-NEXT: [[DOTSPLATINSERT15:%.*]] = insertelement <8 x i16> poison, i16 [[BC_RESUME_VAL]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT16:%.*]] = shufflevector <8 x i16> [[DOTSPLATINSERT15]], <8 x i16> poison, <8 x i32> zeroinitializer |
| ; CHECK-NEXT: [[DOTSPLATINSERT14:%.*]] = insertelement <8 x i16> poison, i16 [[TMP0]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT15:%.*]] = shufflevector <8 x i16> [[DOTSPLATINSERT14]], <8 x i16> poison, <8 x i32> zeroinitializer |
| ; CHECK-NEXT: [[TMP22:%.*]] = mul <8 x i16> <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>, [[DOTSPLAT15]] |
| ; CHECK-NEXT: [[INDUCTION17:%.*]] = add <8 x i16> [[DOTSPLAT16]], [[TMP22]] |
| ; CHECK-NEXT: [[TMP15:%.*]] = mul i16 [[TMP0]], 8 |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT22:%.*]] = insertelement <8 x i16> poison, i16 [[TMP15]], i64 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT23:%.*]] = shufflevector <8 x i16> [[BROADCAST_SPLATINSERT22]], <8 x i16> poison, <8 x i32> zeroinitializer |
| ; CHECK-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]] |
| ; CHECK: vec.epilog.vector.body: |
| ; CHECK-NEXT: [[INDEX12:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT24:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND20:%.*]] = phi <8 x i16> [ [[INDUCTION17]], [[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT21:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP17:%.*]] = sub <8 x i16> [[VEC_IND20]], [[DOTSPLAT14]] |
| ; CHECK-NEXT: [[TMP18:%.*]] = getelementptr inbounds i16, ptr [[K]], i64 [[INDEX12]] |
| ; CHECK-NEXT: store <8 x i16> [[TMP17]], ptr [[TMP18]], align 2 |
| ; CHECK-NEXT: [[INDEX_NEXT24]] = add nuw i64 [[INDEX12]], 8 |
| ; CHECK-NEXT: [[VEC_IND_NEXT21]] = add <8 x i16> [[VEC_IND20]], [[BROADCAST_SPLAT23]] |
| ; CHECK-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT24]], [[N_VEC5]] |
| ; CHECK-NEXT: br i1 [[TMP20]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] |
| ; CHECK: vec.epilog.middle.block: |
| ; CHECK-NEXT: [[CMP_N25:%.*]] = icmp eq i64 [[L]], [[N_VEC5]] |
| ; CHECK-NEXT: br i1 [[CMP_N25]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]] |
| ; CHECK: vec.epilog.scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL6:%.*]] = phi i64 [ [[N_VEC5]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ] |
| ; CHECK-NEXT: [[BC_RESUME_VAL11:%.*]] = phi i16 [ [[IND_END8]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END10]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK]] ] |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL6]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[P_09:%.*]] = phi i16 [ [[BC_RESUME_VAL11]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[ADD:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[ADD]] = sub i16 [[P_09]], [[OFF]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i16, ptr [[K]], i64 [[IV]] |
| ; CHECK-NEXT: store i16 [[ADD]], ptr [[ARRAYIDX3]], align 2 |
| ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 |
| ; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], [[L]] |
| ; CHECK-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP7:![0-9]+]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: ret void |
| ; |
| |
| |
| entry: |
| br label %loop |
| |
| loop: |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| %p.09 = phi i16 [ 0, %entry ], [ %add, %loop ] |
| %add = sub i16 %p.09, %off |
| %arrayidx3 = getelementptr inbounds i16, ptr %k, i64 %iv |
| store i16 %add, ptr %arrayidx3, align 2 |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %ec = icmp eq i64 %iv.next, %l |
| br i1 %ec , label %exit, label %loop |
| |
| exit: |
| ret void |
| } |
| |
| ; Test case for https://github.com/llvm/llvm-project/issues/151686. |
| define i8 @multiple_inductions_start_at_0() { |
| ; CHECK-LABEL: @multiple_inductions_start_at_0( |
| ; CHECK-NEXT: iter.check: |
| ; CHECK-NEXT: br i1 false, label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]] |
| ; CHECK: vector.main.loop.iter.check: |
| ; CHECK-NEXT: br i1 false, label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <32 x i8> [ zeroinitializer, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[STEP_ADD:%.*]] = add <32 x i8> [[VEC_IND]], zeroinitializer |
| ; CHECK-NEXT: [[STEP_ADD_2:%.*]] = add <32 x i8> [[STEP_ADD]], zeroinitializer |
| ; CHECK-NEXT: [[STEP_ADD_3:%.*]] = add <32 x i8> [[STEP_ADD_2]], zeroinitializer |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 128 |
| ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <32 x i8> [[STEP_ADD_3]], zeroinitializer |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[INDEX_NEXT]], 1024 |
| ; CHECK-NEXT: br i1 [[TMP0]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[TMP1:%.*]] = extractelement <32 x i8> [[STEP_ADD_3]], i32 31 |
| ; CHECK-NEXT: br i1 false, label [[EXIT:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]] |
| ; CHECK: vec.epilog.iter.check: |
| ; CHECK-NEXT: br i1 false, label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]] |
| ; CHECK: vec.epilog.ph: |
| ; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i32 [ 1024, [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 0, [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] |
| ; CHECK-NEXT: [[TMP2:%.*]] = trunc i32 [[BC_RESUME_VAL]] to i8 |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i8> poison, i8 [[TMP2]], i64 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i8> [[BROADCAST_SPLATINSERT]], <4 x i8> poison, <4 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add <4 x i8> [[BROADCAST_SPLAT]], zeroinitializer |
| ; CHECK-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]] |
| ; CHECK: vec.epilog.vector.body: |
| ; CHECK-NEXT: [[INDEX1:%.*]] = phi i32 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT3:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <4 x i8> [ [[INDUCTION]], [[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT4:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[INDEX_NEXT3]] = add nuw i32 [[INDEX1]], 4 |
| ; CHECK-NEXT: [[VEC_IND_NEXT4]] = add <4 x i8> [[VEC_IND2]], zeroinitializer |
| ; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT3]], 1052 |
| ; CHECK-NEXT: br i1 [[TMP3]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]] |
| ; CHECK: vec.epilog.middle.block: |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x i8> [[VEC_IND2]], i32 3 |
| ; CHECK-NEXT: br i1 true, label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]] |
| ; CHECK: vec.epilog.scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL5:%.*]] = phi i32 [ 1052, [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 1024, [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ] |
| ; CHECK-NEXT: [[BC_RESUME_VAL6:%.*]] = phi i32 [ -469762048, [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK]] ] |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[BC_RESUME_VAL5]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[IV_2:%.*]] = phi i32 [ [[BC_RESUME_VAL6]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[ADD:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[ADD]] = add i32 [[IV_2]], -16777216 |
| ; CHECK-NEXT: [[TRUNC:%.*]] = trunc i32 [[IV_2]] to i8 |
| ; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1 |
| ; CHECK-NEXT: [[EC:%.*]] = icmp ugt i32 [[IV]], 1050 |
| ; CHECK-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP10:![0-9]+]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[RES:%.*]] = phi i8 [ [[TRUNC]], [[LOOP]] ], [ [[TMP1]], [[MIDDLE_BLOCK]] ], [ [[TMP4]], [[VEC_EPILOG_MIDDLE_BLOCK]] ] |
| ; CHECK-NEXT: ret i8 [[RES]] |
| ; |
| entry: |
| br label %loop |
| |
| loop: |
| %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ] |
| %iv.2 = phi i32 [ 0, %entry ], [ %add, %loop ] |
| %add = add i32 %iv.2, -16777216 |
| %trunc = trunc i32 %iv.2 to i8 |
| %iv.next = add i32 %iv, 1 |
| %ec = icmp ugt i32 %iv, 1050 |
| br i1 %ec, label %exit, label %loop |
| |
| exit: |
| %res = phi i8 [ %trunc, %loop ] |
| ret i8 %res |
| } |
