| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -loop-vectorize -S -mattr=avx512f -instcombine < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; first test checks that loop with a reduction and a uniform store gets |
| ; vectorized. |
| |
| define i32 @inv_val_store_to_inv_address_with_reduction(i32* %a, i64 %n, i32* %b) { |
| ; CHECK-LABEL: @inv_val_store_to_inv_address_with_reduction( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[NTRUNC:%.*]] = trunc i64 [[N:%.*]] to i32 |
| ; CHECK-NEXT: [[SMAX6:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX6]], 64 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]] |
| ; CHECK: vector.memcheck: |
| ; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) |
| ; CHECK-NEXT: [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[SMAX]] |
| ; CHECK-NEXT: [[BOUND0:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[A]] |
| ; CHECK-NEXT: [[BOUND1:%.*]] = icmp ugt i32* [[SCEVGEP]], [[B]] |
| ; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] |
| ; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX6]], 9223372036854775744 |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <16 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_PHI7:%.*]] = phi <16 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_PHI8:%.*]] = phi <16 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_PHI9:%.*]] = phi <16 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <16 x i32>* |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i32>, <16 x i32>* [[TMP1]], align 8, !alias.scope !0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 16 |
| ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <16 x i32>* |
| ; CHECK-NEXT: [[WIDE_LOAD10:%.*]] = load <16 x i32>, <16 x i32>* [[TMP3]], align 8, !alias.scope !0 |
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 32 |
| ; CHECK-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <16 x i32>* |
| ; CHECK-NEXT: [[WIDE_LOAD11:%.*]] = load <16 x i32>, <16 x i32>* [[TMP5]], align 8, !alias.scope !0 |
| ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 48 |
| ; CHECK-NEXT: [[TMP7:%.*]] = bitcast i32* [[TMP6]] to <16 x i32>* |
| ; CHECK-NEXT: [[WIDE_LOAD12:%.*]] = load <16 x i32>, <16 x i32>* [[TMP7]], align 8, !alias.scope !0 |
| ; CHECK-NEXT: [[TMP8]] = add <16 x i32> [[VEC_PHI]], [[WIDE_LOAD]] |
| ; CHECK-NEXT: [[TMP9]] = add <16 x i32> [[VEC_PHI7]], [[WIDE_LOAD10]] |
| ; CHECK-NEXT: [[TMP10]] = add <16 x i32> [[VEC_PHI8]], [[WIDE_LOAD11]] |
| ; CHECK-NEXT: [[TMP11]] = add <16 x i32> [[VEC_PHI9]], [[WIDE_LOAD12]] |
| ; CHECK-NEXT: store i32 [[NTRUNC]], i32* [[A]], align 4, !alias.scope !3, !noalias !0 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 64 |
| ; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[BIN_RDX:%.*]] = add <16 x i32> [[TMP9]], [[TMP8]] |
| ; CHECK-NEXT: [[BIN_RDX13:%.*]] = add <16 x i32> [[TMP10]], [[BIN_RDX]] |
| ; CHECK-NEXT: [[BIN_RDX14:%.*]] = add <16 x i32> [[TMP11]], [[BIN_RDX13]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> [[BIN_RDX14]]) |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX6]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]] |
| ; CHECK: scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ] |
| ; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP13]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ] |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[T0:%.*]] = phi i32 [ [[T3:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[I]] |
| ; CHECK-NEXT: [[T2:%.*]] = load i32, i32* [[T1]], align 8 |
| ; CHECK-NEXT: [[T3]] = add i32 [[T0]], [[T2]] |
| ; CHECK-NEXT: store i32 [[NTRUNC]], i32* [[A]], align 4 |
| ; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 |
| ; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] |
| ; CHECK-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP7:![0-9]+]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: [[T4:%.*]] = phi i32 [ [[T3]], [[FOR_BODY]] ], [ [[TMP13]], [[MIDDLE_BLOCK]] ] |
| ; CHECK-NEXT: ret i32 [[T4]] |
| ; |
| entry: |
| %ntrunc = trunc i64 %n to i32 |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ] |
| %t0 = phi i32 [ %t3, %for.body ], [ 0, %entry ] |
| %t1 = getelementptr inbounds i32, i32* %b, i64 %i |
| %t2 = load i32, i32* %t1, align 8 |
| %t3 = add i32 %t0, %t2 |
| store i32 %ntrunc, i32* %a |
| %i.next = add nuw nsw i64 %i, 1 |
| %cond = icmp slt i64 %i.next, %n |
| br i1 %cond, label %for.body, label %for.end |
| |
| for.end: ; preds = %for.body |
| %t4 = phi i32 [ %t3, %for.body ] |
| ret i32 %t4 |
| } |
| |
| ; Conditional store |
| ; if (b[i] == k) a = ntrunc |
| define void @inv_val_store_to_inv_address_conditional(i32* %a, i64 %n, i32* %b, i32 %k) { |
| ; CHECK-LABEL: @inv_val_store_to_inv_address_conditional( |
| ; CHECK-NEXT: iter.check: |
| ; CHECK-NEXT: [[NTRUNC:%.*]] = trunc i64 [[N:%.*]] to i32 |
| ; CHECK-NEXT: [[SMAX6:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX6]], 8 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]] |
| ; CHECK: vector.memcheck: |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) |
| ; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[SMAX]] |
| ; CHECK-NEXT: [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 1 |
| ; CHECK-NEXT: [[BOUND0:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[B]] |
| ; CHECK-NEXT: [[BOUND1:%.*]] = icmp ugt i32* [[SCEVGEP]], [[A]] |
| ; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] |
| ; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]] |
| ; CHECK: vector.main.loop.iter.check: |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK7:%.*]] = icmp ult i64 [[SMAX6]], 16 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK7]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX6]], 9223372036854775792 |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x i32> poison, i32 [[K:%.*]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x i32> [[BROADCAST_SPLATINSERT]], <16 x i32> poison, <16 x i32> zeroinitializer |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT8:%.*]] = insertelement <16 x i32> poison, i32 [[NTRUNC]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT9:%.*]] = shufflevector <16 x i32> [[BROADCAST_SPLATINSERT8]], <16 x i32> poison, <16 x i32> zeroinitializer |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT10:%.*]] = insertelement <16 x i32*> poison, i32* [[A]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT11:%.*]] = shufflevector <16 x i32*> [[BROADCAST_SPLATINSERT10]], <16 x i32*> poison, <16 x i32> zeroinitializer |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <16 x i32>* |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i32>, <16 x i32>* [[TMP1]], align 8, !alias.scope !8, !noalias !11 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <16 x i32> [[WIDE_LOAD]], [[BROADCAST_SPLAT]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP0]] to <16 x i32>* |
| ; CHECK-NEXT: store <16 x i32> [[BROADCAST_SPLAT9]], <16 x i32>* [[TMP3]], align 4, !alias.scope !8, !noalias !11 |
| ; CHECK-NEXT: call void @llvm.masked.scatter.v16i32.v16p0i32(<16 x i32> [[BROADCAST_SPLAT9]], <16 x i32*> [[BROADCAST_SPLAT11]], i32 4, <16 x i1> [[TMP2]]), !alias.scope !11 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16 |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX6]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]] |
| ; CHECK: vec.epilog.iter.check: |
| ; CHECK-NEXT: [[N_VEC_REMAINING:%.*]] = and i64 [[SMAX6]], 8 |
| ; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK_NOT_NOT:%.*]] = icmp eq i64 [[N_VEC_REMAINING]], 0 |
| ; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK_NOT_NOT]], 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: [[SMAX12:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) |
| ; CHECK-NEXT: [[N_VEC14:%.*]] = and i64 [[SMAX12]], 9223372036854775800 |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT19:%.*]] = insertelement <8 x i32> poison, i32 [[K]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT20:%.*]] = shufflevector <8 x i32> [[BROADCAST_SPLATINSERT19]], <8 x i32> poison, <8 x i32> zeroinitializer |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT21:%.*]] = insertelement <8 x i32> poison, i32 [[NTRUNC]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT22:%.*]] = shufflevector <8 x i32> [[BROADCAST_SPLATINSERT21]], <8 x i32> poison, <8 x i32> zeroinitializer |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT23:%.*]] = insertelement <8 x i32*> poison, i32* [[A]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT24:%.*]] = shufflevector <8 x i32*> [[BROADCAST_SPLATINSERT23]], <8 x i32*> poison, <8 x i32> zeroinitializer |
| ; CHECK-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]] |
| ; CHECK: vec.epilog.vector.body: |
| ; CHECK-NEXT: [[INDEX15:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT16:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX15]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <8 x i32>* |
| ; CHECK-NEXT: [[WIDE_LOAD18:%.*]] = load <8 x i32>, <8 x i32>* [[TMP6]], align 8 |
| ; CHECK-NEXT: [[TMP7:%.*]] = icmp eq <8 x i32> [[WIDE_LOAD18]], [[BROADCAST_SPLAT20]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = bitcast i32* [[TMP5]] to <8 x i32>* |
| ; CHECK-NEXT: store <8 x i32> [[BROADCAST_SPLAT22]], <8 x i32>* [[TMP8]], align 4 |
| ; CHECK-NEXT: call void @llvm.masked.scatter.v8i32.v8p0i32(<8 x i32> [[BROADCAST_SPLAT22]], <8 x i32*> [[BROADCAST_SPLAT24]], i32 4, <8 x i1> [[TMP7]]) |
| ; CHECK-NEXT: [[INDEX_NEXT16]] = add nuw i64 [[INDEX15]], 8 |
| ; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT16]], [[N_VEC14]] |
| ; CHECK-NEXT: br i1 [[TMP9]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]] |
| ; CHECK: vec.epilog.middle.block: |
| ; CHECK-NEXT: [[CMP_N17:%.*]] = icmp eq i64 [[SMAX12]], [[N_VEC14]] |
| ; CHECK-NEXT: br i1 [[CMP_N17]], label [[FOR_END_LOOPEXIT:%.*]], label [[VEC_EPILOG_SCALAR_PH]] |
| ; CHECK: vec.epilog.scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC14]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ] |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[LATCH:%.*]] ], [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ] |
| ; CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[I]] |
| ; CHECK-NEXT: [[T2:%.*]] = load i32, i32* [[T1]], align 8 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[T2]], [[K]] |
| ; CHECK-NEXT: store i32 [[NTRUNC]], i32* [[T1]], align 4 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[COND_STORE:%.*]], label [[LATCH]] |
| ; CHECK: cond_store: |
| ; CHECK-NEXT: store i32 [[NTRUNC]], i32* [[A]], align 4 |
| ; CHECK-NEXT: br label [[LATCH]] |
| ; CHECK: latch: |
| ; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 |
| ; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] |
| ; CHECK-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP16:![0-9]+]] |
| ; CHECK: for.end.loopexit: |
| ; CHECK-NEXT: br label [[FOR_END]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %ntrunc = trunc i64 %n to i32 |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %i = phi i64 [ %i.next, %latch ], [ 0, %entry ] |
| %t1 = getelementptr inbounds i32, i32* %b, i64 %i |
| %t2 = load i32, i32* %t1, align 8 |
| %cmp = icmp eq i32 %t2, %k |
| store i32 %ntrunc, i32* %t1 |
| br i1 %cmp, label %cond_store, label %latch |
| |
| cond_store: |
| store i32 %ntrunc, i32* %a |
| br label %latch |
| |
| latch: |
| %i.next = add nuw nsw i64 %i, 1 |
| %cond = icmp slt i64 %i.next, %n |
| br i1 %cond, label %for.body, label %for.end |
| |
| for.end: ; preds = %for.body |
| ret void |
| } |
| |
| define void @variant_val_store_to_inv_address_conditional(i32* %a, i64 %n, i32* %b, i32* %c, i32 %k) { |
| ; CHECK-LABEL: @variant_val_store_to_inv_address_conditional( |
| ; CHECK-NEXT: iter.check: |
| ; CHECK-NEXT: [[NTRUNC:%.*]] = trunc i64 [[N:%.*]] to i32 |
| ; CHECK-NEXT: [[SMAX16:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX16]], 8 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]] |
| ; CHECK: vector.memcheck: |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) |
| ; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[SMAX]] |
| ; CHECK-NEXT: [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 1 |
| ; CHECK-NEXT: [[SCEVGEP7:%.*]] = getelementptr i32, i32* [[C:%.*]], i64 [[SMAX]] |
| ; CHECK-NEXT: [[BOUND0:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[B]] |
| ; CHECK-NEXT: [[BOUND1:%.*]] = icmp ugt i32* [[SCEVGEP]], [[A]] |
| ; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] |
| ; CHECK-NEXT: [[BOUND09:%.*]] = icmp ugt i32* [[SCEVGEP7]], [[B]] |
| ; CHECK-NEXT: [[BOUND110:%.*]] = icmp ugt i32* [[SCEVGEP]], [[C]] |
| ; CHECK-NEXT: [[FOUND_CONFLICT11:%.*]] = and i1 [[BOUND09]], [[BOUND110]] |
| ; CHECK-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT11]] |
| ; CHECK-NEXT: [[BOUND012:%.*]] = icmp ugt i32* [[SCEVGEP7]], [[A]] |
| ; CHECK-NEXT: [[BOUND113:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[C]] |
| ; CHECK-NEXT: [[FOUND_CONFLICT14:%.*]] = and i1 [[BOUND012]], [[BOUND113]] |
| ; CHECK-NEXT: [[CONFLICT_RDX15:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT14]] |
| ; CHECK-NEXT: br i1 [[CONFLICT_RDX15]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]] |
| ; CHECK: vector.main.loop.iter.check: |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK17:%.*]] = icmp ult i64 [[SMAX16]], 16 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK17]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX16]], 9223372036854775792 |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x i32> poison, i32 [[K:%.*]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x i32> [[BROADCAST_SPLATINSERT]], <16 x i32> poison, <16 x i32> zeroinitializer |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT18:%.*]] = insertelement <16 x i32> poison, i32 [[NTRUNC]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT19:%.*]] = shufflevector <16 x i32> [[BROADCAST_SPLATINSERT18]], <16 x i32> poison, <16 x i32> zeroinitializer |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT20:%.*]] = insertelement <16 x i32*> poison, i32* [[A]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT21:%.*]] = shufflevector <16 x i32*> [[BROADCAST_SPLATINSERT20]], <16 x i32*> poison, <16 x i32> zeroinitializer |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <16 x i32>* |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i32>, <16 x i32>* [[TMP1]], align 8, !alias.scope !17, !noalias !20 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <16 x i32> [[WIDE_LOAD]], [[BROADCAST_SPLAT]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP0]] to <16 x i32>* |
| ; CHECK-NEXT: store <16 x i32> [[BROADCAST_SPLAT19]], <16 x i32>* [[TMP3]], align 4, !alias.scope !17, !noalias !20 |
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i32, i32* [[C]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <16 x i32>* |
| ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <16 x i32> @llvm.masked.load.v16i32.p0v16i32(<16 x i32>* [[TMP5]], i32 8, <16 x i1> [[TMP2]], <16 x i32> poison), !alias.scope !23 |
| ; CHECK-NEXT: call void @llvm.masked.scatter.v16i32.v16p0i32(<16 x i32> [[WIDE_MASKED_LOAD]], <16 x i32*> [[BROADCAST_SPLAT21]], i32 4, <16 x i1> [[TMP2]]), !alias.scope !24, !noalias !23 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16 |
| ; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX16]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]] |
| ; CHECK: vec.epilog.iter.check: |
| ; CHECK-NEXT: [[N_VEC_REMAINING:%.*]] = and i64 [[SMAX16]], 8 |
| ; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK_NOT_NOT:%.*]] = icmp eq i64 [[N_VEC_REMAINING]], 0 |
| ; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK_NOT_NOT]], 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: [[SMAX22:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) |
| ; CHECK-NEXT: [[N_VEC24:%.*]] = and i64 [[SMAX22]], 9223372036854775800 |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT29:%.*]] = insertelement <8 x i32> poison, i32 [[K]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT30:%.*]] = shufflevector <8 x i32> [[BROADCAST_SPLATINSERT29]], <8 x i32> poison, <8 x i32> zeroinitializer |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT31:%.*]] = insertelement <8 x i32> poison, i32 [[NTRUNC]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT32:%.*]] = shufflevector <8 x i32> [[BROADCAST_SPLATINSERT31]], <8 x i32> poison, <8 x i32> zeroinitializer |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT34:%.*]] = insertelement <8 x i32*> poison, i32* [[A]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT35:%.*]] = shufflevector <8 x i32*> [[BROADCAST_SPLATINSERT34]], <8 x i32*> poison, <8 x i32> zeroinitializer |
| ; CHECK-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]] |
| ; CHECK: vec.epilog.vector.body: |
| ; CHECK-NEXT: [[INDEX25:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT26:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX25]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = bitcast i32* [[TMP7]] to <8 x i32>* |
| ; CHECK-NEXT: [[WIDE_LOAD28:%.*]] = load <8 x i32>, <8 x i32>* [[TMP8]], align 8 |
| ; CHECK-NEXT: [[TMP9:%.*]] = icmp eq <8 x i32> [[WIDE_LOAD28]], [[BROADCAST_SPLAT30]] |
| ; CHECK-NEXT: [[TMP10:%.*]] = bitcast i32* [[TMP7]] to <8 x i32>* |
| ; CHECK-NEXT: store <8 x i32> [[BROADCAST_SPLAT32]], <8 x i32>* [[TMP10]], align 4 |
| ; CHECK-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[C]], i64 [[INDEX25]] |
| ; CHECK-NEXT: [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <8 x i32>* |
| ; CHECK-NEXT: [[WIDE_MASKED_LOAD33:%.*]] = call <8 x i32> @llvm.masked.load.v8i32.p0v8i32(<8 x i32>* [[TMP12]], i32 8, <8 x i1> [[TMP9]], <8 x i32> poison) |
| ; CHECK-NEXT: call void @llvm.masked.scatter.v8i32.v8p0i32(<8 x i32> [[WIDE_MASKED_LOAD33]], <8 x i32*> [[BROADCAST_SPLAT35]], i32 4, <8 x i1> [[TMP9]]) |
| ; CHECK-NEXT: [[INDEX_NEXT26]] = add nuw i64 [[INDEX25]], 8 |
| ; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT26]], [[N_VEC24]] |
| ; CHECK-NEXT: br i1 [[TMP13]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]] |
| ; CHECK: vec.epilog.middle.block: |
| ; CHECK-NEXT: [[CMP_N27:%.*]] = icmp eq i64 [[SMAX22]], [[N_VEC24]] |
| ; CHECK-NEXT: br i1 [[CMP_N27]], label [[FOR_END_LOOPEXIT:%.*]], label [[VEC_EPILOG_SCALAR_PH]] |
| ; CHECK: vec.epilog.scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC24]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ] |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[LATCH:%.*]] ], [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ] |
| ; CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[I]] |
| ; CHECK-NEXT: [[T2:%.*]] = load i32, i32* [[T1]], align 8 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[T2]], [[K]] |
| ; CHECK-NEXT: store i32 [[NTRUNC]], i32* [[T1]], align 4 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[COND_STORE:%.*]], label [[LATCH]] |
| ; CHECK: cond_store: |
| ; CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[I]] |
| ; CHECK-NEXT: [[T4:%.*]] = load i32, i32* [[T3]], align 8 |
| ; CHECK-NEXT: store i32 [[T4]], i32* [[A]], align 4 |
| ; CHECK-NEXT: br label [[LATCH]] |
| ; CHECK: latch: |
| ; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 |
| ; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] |
| ; CHECK-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP27:![0-9]+]] |
| ; CHECK: for.end.loopexit: |
| ; CHECK-NEXT: br label [[FOR_END]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %ntrunc = trunc i64 %n to i32 |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %i = phi i64 [ %i.next, %latch ], [ 0, %entry ] |
| %t1 = getelementptr inbounds i32, i32* %b, i64 %i |
| %t2 = load i32, i32* %t1, align 8 |
| %cmp = icmp eq i32 %t2, %k |
| store i32 %ntrunc, i32* %t1 |
| br i1 %cmp, label %cond_store, label %latch |
| |
| cond_store: |
| %t3 = getelementptr inbounds i32, i32* %c, i64 %i |
| %t4 = load i32, i32* %t3, align 8 |
| store i32 %t4, i32* %a |
| br label %latch |
| |
| latch: |
| %i.next = add nuw nsw i64 %i, 1 |
| %cond = icmp slt i64 %i.next, %n |
| br i1 %cond, label %for.body, label %for.end |
| |
| for.end: ; preds = %for.body |
| ret void |
| } |
