; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 ; RUN: opt -passes=loop-vectorize \ ; RUN: -prefer-inloop-reductions \ ; RUN: -prefer-predicate-over-epilogue=predicate-else-scalar-epilogue \ ; RUN: -mtriple=riscv64 -mattr=+v,+f -S < %s| FileCheck %s --check-prefix=IF-EVL ; RUN: opt -passes=loop-vectorize \ ; RUN: -prefer-inloop-reductions \ ; RUN: -prefer-predicate-over-epilogue=scalar-epilogue \ ; RUN: -mtriple=riscv64 -mattr=+v,+f -S < %s| FileCheck %s --check-prefix=NO-VP define void @first_order_recurrence(ptr noalias %A, ptr noalias %B, i64 %TC) { ; IF-EVL-LABEL: define void @first_order_recurrence( ; IF-EVL-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i64 [[TC:%.*]]) #[[ATTR0:[0-9]+]] { ; IF-EVL-NEXT: [[ENTRY:.*:]] ; IF-EVL-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; IF-EVL: [[VECTOR_PH]]: ; IF-EVL-NEXT: [[TMP7:%.*]] = call i64 @llvm.vscale.i64() ; IF-EVL-NEXT: [[TMP8:%.*]] = mul nuw i64 [[TMP7]], 4 ; IF-EVL-NEXT: [[TMP25:%.*]] = trunc i64 [[TMP8]] to i32 ; IF-EVL-NEXT: [[TMP9:%.*]] = call i32 @llvm.vscale.i32() ; IF-EVL-NEXT: [[TMP10:%.*]] = mul nuw i32 [[TMP9]], 4 ; IF-EVL-NEXT: [[TMP11:%.*]] = sub i32 [[TMP10]], 1 ; IF-EVL-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i32 33, i32 [[TMP11]] ; IF-EVL-NEXT: br label %[[VECTOR_BODY:.*]] ; IF-EVL: [[VECTOR_BODY]]: ; IF-EVL-NEXT: [[EVL_BASED_IV:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_EVL_NEXT:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[VP_OP_LOAD:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[AVL:%.*]] = phi i64 [ [[TC]], %[[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[PREV_EVL:%.*]] = phi i32 [ [[TMP25]], %[[VECTOR_PH]] ], [ [[TMP12:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[TMP12]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 4, i1 true) ; IF-EVL-NEXT: [[TMP14:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[EVL_BASED_IV]] ; IF-EVL-NEXT: [[VP_OP_LOAD]] = call @llvm.vp.load.nxv4i32.p0(ptr align 4 [[TMP14]], splat (i1 true), i32 [[TMP12]]) ; IF-EVL-NEXT: [[TMP16:%.*]] = call @llvm.experimental.vp.splice.nxv4i32( [[VECTOR_RECUR]], [[VP_OP_LOAD]], i32 -1, splat (i1 true), i32 [[PREV_EVL]], i32 [[TMP12]]) ; IF-EVL-NEXT: [[VP_OP:%.*]] = add nsw [[TMP16]], [[VP_OP_LOAD]] ; IF-EVL-NEXT: [[TMP17:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[EVL_BASED_IV]] ; IF-EVL-NEXT: call void @llvm.vp.store.nxv4i32.p0( [[VP_OP]], ptr align 4 [[TMP17]], splat (i1 true), i32 [[TMP12]]) ; IF-EVL-NEXT: [[TMP19:%.*]] = zext i32 [[TMP12]] to i64 ; IF-EVL-NEXT: [[INDEX_EVL_NEXT]] = add i64 [[TMP19]], [[EVL_BASED_IV]] ; IF-EVL-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP19]] ; IF-EVL-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_EVL_NEXT]], [[TC]] ; IF-EVL-NEXT: br i1 [[TMP20]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; IF-EVL: [[MIDDLE_BLOCK]]: ; IF-EVL-NEXT: br label %[[FOR_END:.*]] ; IF-EVL: [[SCALAR_PH]]: ; IF-EVL-NEXT: br label %[[FOR_BODY:.*]] ; IF-EVL: [[FOR_BODY]]: ; IF-EVL-NEXT: [[INDVARS:%.*]] = phi i64 [ 0, %[[SCALAR_PH]] ], [ [[INDVARS_NEXT:%.*]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[FOR1:%.*]] = phi i32 [ 33, %[[SCALAR_PH]] ], [ [[TMP24:%.*]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDVARS]] ; IF-EVL-NEXT: [[TMP24]] = load i32, ptr [[ARRAYIDX]], align 4 ; IF-EVL-NEXT: [[ADD:%.*]] = add nsw i32 [[FOR1]], [[TMP24]] ; IF-EVL-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDVARS]] ; IF-EVL-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX2]], align 4 ; IF-EVL-NEXT: [[INDVARS_NEXT]] = add nuw nsw i64 [[INDVARS]], 1 ; IF-EVL-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_NEXT]], [[TC]] ; IF-EVL-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] ; IF-EVL: [[FOR_END]]: ; IF-EVL-NEXT: ret void ; ; NO-VP-LABEL: define void @first_order_recurrence( ; NO-VP-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i64 [[TC:%.*]]) #[[ATTR0:[0-9]+]] { ; NO-VP-NEXT: [[ENTRY:.*]]: ; NO-VP-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() ; NO-VP-NEXT: [[TMP1:%.*]] = shl nuw i64 [[TMP0]], 2 ; NO-VP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TC]], [[TMP1]] ; NO-VP-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; NO-VP: [[VECTOR_PH]]: ; NO-VP-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() ; NO-VP-NEXT: [[TMP3:%.*]] = mul nuw i64 [[TMP2]], 4 ; NO-VP-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TC]], [[TMP3]] ; NO-VP-NEXT: [[N_VEC:%.*]] = sub i64 [[TC]], [[N_MOD_VF]] ; NO-VP-NEXT: [[TMP6:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP7:%.*]] = mul nuw i32 [[TMP6]], 4 ; NO-VP-NEXT: [[TMP8:%.*]] = sub i32 [[TMP7]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i32 33, i32 [[TMP8]] ; NO-VP-NEXT: br label %[[VECTOR_BODY:.*]] ; NO-VP: [[VECTOR_BODY]]: ; NO-VP-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[TMP10:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDEX]] ; NO-VP-NEXT: [[WIDE_LOAD]] = load , ptr [[TMP10]], align 4 ; NO-VP-NEXT: [[TMP12:%.*]] = call @llvm.vector.splice.nxv4i32( [[VECTOR_RECUR]], [[WIDE_LOAD]], i32 -1) ; NO-VP-NEXT: [[TMP13:%.*]] = add nsw [[TMP12]], [[WIDE_LOAD]] ; NO-VP-NEXT: [[TMP14:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDEX]] ; NO-VP-NEXT: store [[TMP13]], ptr [[TMP14]], align 4 ; NO-VP-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP3]] ; NO-VP-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; NO-VP-NEXT: br i1 [[TMP16]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; NO-VP: [[MIDDLE_BLOCK]]: ; NO-VP-NEXT: [[TMP17:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP18:%.*]] = mul nuw i32 [[TMP17]], 4 ; NO-VP-NEXT: [[TMP19:%.*]] = sub i32 [[TMP18]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement [[WIDE_LOAD]], i32 [[TMP19]] ; NO-VP-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TC]], [[N_VEC]] ; NO-VP-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] ; NO-VP: [[SCALAR_PH]]: ; NO-VP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] ; NO-VP-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ [[VECTOR_RECUR_EXTRACT]], %[[MIDDLE_BLOCK]] ], [ 33, %[[ENTRY]] ] ; NO-VP-NEXT: br label %[[FOR_BODY:.*]] ; NO-VP: [[FOR_BODY]]: ; NO-VP-NEXT: [[INDVARS:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INDVARS_NEXT:%.*]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[FOR1:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], %[[SCALAR_PH]] ], [ [[TMP20:%.*]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDVARS]] ; NO-VP-NEXT: [[TMP20]] = load i32, ptr [[ARRAYIDX]], align 4 ; NO-VP-NEXT: [[ADD:%.*]] = add nsw i32 [[FOR1]], [[TMP20]] ; NO-VP-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDVARS]] ; NO-VP-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX2]], align 4 ; NO-VP-NEXT: [[INDVARS_NEXT]] = add nuw nsw i64 [[INDVARS]], 1 ; NO-VP-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_NEXT]], [[TC]] ; NO-VP-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] ; NO-VP: [[FOR_END]]: ; NO-VP-NEXT: ret void ; entry: br label %for.body for.body: %indvars = phi i64 [ 0, %entry ], [ %indvars.next, %for.body ] %for1 = phi i32 [ 33, %entry ], [ %0, %for.body ] %arrayidx = getelementptr inbounds nuw i32, ptr %A, i64 %indvars %0 = load i32, ptr %arrayidx, align 4 %add = add nsw i32 %for1, %0 %arrayidx2 = getelementptr inbounds nuw i32, ptr %B, i64 %indvars store i32 %add, ptr %arrayidx2, align 4 %indvars.next = add nuw nsw i64 %indvars, 1 %exitcond.not = icmp eq i64 %indvars.next, %TC br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 for.end: ret void } define void @second_order_recurrence(ptr noalias %A, ptr noalias %B, i64 %TC) { ; IF-EVL-LABEL: define void @second_order_recurrence( ; IF-EVL-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i64 [[TC:%.*]]) #[[ATTR0]] { ; IF-EVL-NEXT: [[ENTRY:.*:]] ; IF-EVL-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; IF-EVL: [[VECTOR_PH]]: ; IF-EVL-NEXT: [[TMP7:%.*]] = call i64 @llvm.vscale.i64() ; IF-EVL-NEXT: [[TMP8:%.*]] = mul nuw i64 [[TMP7]], 4 ; IF-EVL-NEXT: [[TMP32:%.*]] = trunc i64 [[TMP8]] to i32 ; IF-EVL-NEXT: [[TMP9:%.*]] = call i32 @llvm.vscale.i32() ; IF-EVL-NEXT: [[TMP10:%.*]] = mul nuw i32 [[TMP9]], 4 ; IF-EVL-NEXT: [[TMP11:%.*]] = sub i32 [[TMP10]], 1 ; IF-EVL-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i32 33, i32 [[TMP11]] ; IF-EVL-NEXT: [[TMP12:%.*]] = call i32 @llvm.vscale.i32() ; IF-EVL-NEXT: [[TMP13:%.*]] = mul nuw i32 [[TMP12]], 4 ; IF-EVL-NEXT: [[TMP14:%.*]] = sub i32 [[TMP13]], 1 ; IF-EVL-NEXT: [[VECTOR_RECUR_INIT1:%.*]] = insertelement poison, i32 22, i32 [[TMP14]] ; IF-EVL-NEXT: br label %[[VECTOR_BODY:.*]] ; IF-EVL: [[VECTOR_BODY]]: ; IF-EVL-NEXT: [[EVL_BASED_IV:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_EVL_NEXT:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[VP_OP_LOAD:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[VECTOR_RECUR2:%.*]] = phi [ [[VECTOR_RECUR_INIT1]], %[[VECTOR_PH]] ], [ [[TMP19:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[AVL:%.*]] = phi i64 [ [[TC]], %[[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[PREV_EVL:%.*]] = phi i32 [ [[TMP32]], %[[VECTOR_PH]] ], [ [[TMP15:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[TMP15]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 4, i1 true) ; IF-EVL-NEXT: [[TMP17:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[EVL_BASED_IV]] ; IF-EVL-NEXT: [[VP_OP_LOAD]] = call @llvm.vp.load.nxv4i32.p0(ptr align 4 [[TMP17]], splat (i1 true), i32 [[TMP15]]) ; IF-EVL-NEXT: [[TMP19]] = call @llvm.experimental.vp.splice.nxv4i32( [[VECTOR_RECUR]], [[VP_OP_LOAD]], i32 -1, splat (i1 true), i32 [[PREV_EVL]], i32 [[TMP15]]) ; IF-EVL-NEXT: [[TMP20:%.*]] = call @llvm.experimental.vp.splice.nxv4i32( [[VECTOR_RECUR2]], [[TMP19]], i32 -1, splat (i1 true), i32 [[PREV_EVL]], i32 [[TMP15]]) ; IF-EVL-NEXT: [[VP_OP:%.*]] = add nsw [[TMP19]], [[TMP20]] ; IF-EVL-NEXT: [[TMP21:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[EVL_BASED_IV]] ; IF-EVL-NEXT: call void @llvm.vp.store.nxv4i32.p0( [[VP_OP]], ptr align 4 [[TMP21]], splat (i1 true), i32 [[TMP15]]) ; IF-EVL-NEXT: [[TMP23:%.*]] = zext i32 [[TMP15]] to i64 ; IF-EVL-NEXT: [[INDEX_EVL_NEXT]] = add i64 [[TMP23]], [[EVL_BASED_IV]] ; IF-EVL-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP23]] ; IF-EVL-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_EVL_NEXT]], [[TC]] ; IF-EVL-NEXT: br i1 [[TMP24]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] ; IF-EVL: [[MIDDLE_BLOCK]]: ; IF-EVL-NEXT: br label %[[FOR_END:.*]] ; IF-EVL: [[SCALAR_PH]]: ; IF-EVL-NEXT: br label %[[FOR_BODY:.*]] ; IF-EVL: [[FOR_BODY]]: ; IF-EVL-NEXT: [[INDVARS:%.*]] = phi i64 [ 0, %[[SCALAR_PH]] ], [ [[INDVARS_NEXT:%.*]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[FOR1:%.*]] = phi i32 [ 33, %[[SCALAR_PH]] ], [ [[TMP31:%.*]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[FOR2:%.*]] = phi i32 [ 22, %[[SCALAR_PH]] ], [ [[FOR1]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDVARS]] ; IF-EVL-NEXT: [[TMP31]] = load i32, ptr [[ARRAYIDX]], align 4 ; IF-EVL-NEXT: [[ADD:%.*]] = add nsw i32 [[FOR1]], [[FOR2]] ; IF-EVL-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDVARS]] ; IF-EVL-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX2]], align 4 ; IF-EVL-NEXT: [[INDVARS_NEXT]] = add nuw nsw i64 [[INDVARS]], 1 ; IF-EVL-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_NEXT]], [[TC]] ; IF-EVL-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] ; IF-EVL: [[FOR_END]]: ; IF-EVL-NEXT: ret void ; ; NO-VP-LABEL: define void @second_order_recurrence( ; NO-VP-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i64 [[TC:%.*]]) #[[ATTR0]] { ; NO-VP-NEXT: [[ENTRY:.*]]: ; NO-VP-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() ; NO-VP-NEXT: [[TMP1:%.*]] = shl nuw i64 [[TMP0]], 2 ; NO-VP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TC]], [[TMP1]] ; NO-VP-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; NO-VP: [[VECTOR_PH]]: ; NO-VP-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() ; NO-VP-NEXT: [[TMP3:%.*]] = mul nuw i64 [[TMP2]], 4 ; NO-VP-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TC]], [[TMP3]] ; NO-VP-NEXT: [[N_VEC:%.*]] = sub i64 [[TC]], [[N_MOD_VF]] ; NO-VP-NEXT: [[TMP6:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP7:%.*]] = mul nuw i32 [[TMP6]], 4 ; NO-VP-NEXT: [[TMP8:%.*]] = sub i32 [[TMP7]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i32 33, i32 [[TMP8]] ; NO-VP-NEXT: [[TMP9:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP10:%.*]] = mul nuw i32 [[TMP9]], 4 ; NO-VP-NEXT: [[TMP11:%.*]] = sub i32 [[TMP10]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_INIT1:%.*]] = insertelement poison, i32 22, i32 [[TMP11]] ; NO-VP-NEXT: br label %[[VECTOR_BODY:.*]] ; NO-VP: [[VECTOR_BODY]]: ; NO-VP-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[VECTOR_RECUR2:%.*]] = phi [ [[VECTOR_RECUR_INIT1]], %[[VECTOR_PH]] ], [ [[TMP15:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[TMP13:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDEX]] ; NO-VP-NEXT: [[WIDE_LOAD]] = load , ptr [[TMP13]], align 4 ; NO-VP-NEXT: [[TMP15]] = call @llvm.vector.splice.nxv4i32( [[VECTOR_RECUR]], [[WIDE_LOAD]], i32 -1) ; NO-VP-NEXT: [[TMP16:%.*]] = call @llvm.vector.splice.nxv4i32( [[VECTOR_RECUR2]], [[TMP15]], i32 -1) ; NO-VP-NEXT: [[TMP17:%.*]] = add nsw [[TMP15]], [[TMP16]] ; NO-VP-NEXT: [[TMP18:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDEX]] ; NO-VP-NEXT: store [[TMP17]], ptr [[TMP18]], align 4 ; NO-VP-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP3]] ; NO-VP-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; NO-VP-NEXT: br i1 [[TMP20]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] ; NO-VP: [[MIDDLE_BLOCK]]: ; NO-VP-NEXT: [[TMP21:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP22:%.*]] = mul nuw i32 [[TMP21]], 4 ; NO-VP-NEXT: [[TMP23:%.*]] = sub i32 [[TMP22]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement [[WIDE_LOAD]], i32 [[TMP23]] ; NO-VP-NEXT: [[TMP24:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP25:%.*]] = mul nuw i32 [[TMP24]], 4 ; NO-VP-NEXT: [[TMP26:%.*]] = sub i32 [[TMP25]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT3:%.*]] = extractelement [[TMP15]], i32 [[TMP26]] ; NO-VP-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TC]], [[N_VEC]] ; NO-VP-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] ; NO-VP: [[SCALAR_PH]]: ; NO-VP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] ; NO-VP-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ [[VECTOR_RECUR_EXTRACT]], %[[MIDDLE_BLOCK]] ], [ 33, %[[ENTRY]] ] ; NO-VP-NEXT: [[SCALAR_RECUR_INIT4:%.*]] = phi i32 [ [[VECTOR_RECUR_EXTRACT3]], %[[MIDDLE_BLOCK]] ], [ 22, %[[ENTRY]] ] ; NO-VP-NEXT: br label %[[FOR_BODY:.*]] ; NO-VP: [[FOR_BODY]]: ; NO-VP-NEXT: [[INDVARS:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INDVARS_NEXT:%.*]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[FOR1:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], %[[SCALAR_PH]] ], [ [[TMP27:%.*]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[FOR2:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT4]], %[[SCALAR_PH]] ], [ [[FOR1]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDVARS]] ; NO-VP-NEXT: [[TMP27]] = load i32, ptr [[ARRAYIDX]], align 4 ; NO-VP-NEXT: [[ADD:%.*]] = add nsw i32 [[FOR1]], [[FOR2]] ; NO-VP-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDVARS]] ; NO-VP-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX2]], align 4 ; NO-VP-NEXT: [[INDVARS_NEXT]] = add nuw nsw i64 [[INDVARS]], 1 ; NO-VP-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_NEXT]], [[TC]] ; NO-VP-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] ; NO-VP: [[FOR_END]]: ; NO-VP-NEXT: ret void ; entry: br label %for.body for.body: %indvars = phi i64 [ 0, %entry ], [ %indvars.next, %for.body ] %for1 = phi i32 [ 33, %entry ], [ %0, %for.body ] %for2 = phi i32 [ 22, %entry ], [ %for1, %for.body ] %arrayidx = getelementptr inbounds nuw i32, ptr %A, i64 %indvars %0 = load i32, ptr %arrayidx, align 4 %add = add nsw i32 %for1, %for2 %arrayidx2 = getelementptr inbounds nuw i32, ptr %B, i64 %indvars store i32 %add, ptr %arrayidx2, align 4 %indvars.next = add nuw nsw i64 %indvars, 1 %exitcond.not = icmp eq i64 %indvars.next, %TC br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 for.end: ret void } define void @third_order_recurrence(ptr noalias %A, ptr noalias %B, i64 %TC) { ; IF-EVL-LABEL: define void @third_order_recurrence( ; IF-EVL-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i64 [[TC:%.*]]) #[[ATTR0]] { ; IF-EVL-NEXT: [[ENTRY:.*:]] ; IF-EVL-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; IF-EVL: [[VECTOR_PH]]: ; IF-EVL-NEXT: [[TMP7:%.*]] = call i64 @llvm.vscale.i64() ; IF-EVL-NEXT: [[TMP8:%.*]] = mul nuw i64 [[TMP7]], 4 ; IF-EVL-NEXT: [[TMP39:%.*]] = trunc i64 [[TMP8]] to i32 ; IF-EVL-NEXT: [[TMP9:%.*]] = call i32 @llvm.vscale.i32() ; IF-EVL-NEXT: [[TMP10:%.*]] = mul nuw i32 [[TMP9]], 4 ; IF-EVL-NEXT: [[TMP11:%.*]] = sub i32 [[TMP10]], 1 ; IF-EVL-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i32 33, i32 [[TMP11]] ; IF-EVL-NEXT: [[TMP12:%.*]] = call i32 @llvm.vscale.i32() ; IF-EVL-NEXT: [[TMP13:%.*]] = mul nuw i32 [[TMP12]], 4 ; IF-EVL-NEXT: [[TMP14:%.*]] = sub i32 [[TMP13]], 1 ; IF-EVL-NEXT: [[VECTOR_RECUR_INIT1:%.*]] = insertelement poison, i32 22, i32 [[TMP14]] ; IF-EVL-NEXT: [[TMP15:%.*]] = call i32 @llvm.vscale.i32() ; IF-EVL-NEXT: [[TMP16:%.*]] = mul nuw i32 [[TMP15]], 4 ; IF-EVL-NEXT: [[TMP17:%.*]] = sub i32 [[TMP16]], 1 ; IF-EVL-NEXT: [[VECTOR_RECUR_INIT3:%.*]] = insertelement poison, i32 11, i32 [[TMP17]] ; IF-EVL-NEXT: br label %[[VECTOR_BODY:.*]] ; IF-EVL: [[VECTOR_BODY]]: ; IF-EVL-NEXT: [[EVL_BASED_IV:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_EVL_NEXT:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[VP_OP_LOAD:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[VECTOR_RECUR2:%.*]] = phi [ [[VECTOR_RECUR_INIT1]], %[[VECTOR_PH]] ], [ [[TMP22:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[VECTOR_RECUR4:%.*]] = phi [ [[VECTOR_RECUR_INIT3]], %[[VECTOR_PH]] ], [ [[TMP23:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[AVL:%.*]] = phi i64 [ [[TC]], %[[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[PREV_EVL:%.*]] = phi i32 [ [[TMP39]], %[[VECTOR_PH]] ], [ [[TMP18:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[TMP18]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 4, i1 true) ; IF-EVL-NEXT: [[TMP20:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[EVL_BASED_IV]] ; IF-EVL-NEXT: [[VP_OP_LOAD]] = call @llvm.vp.load.nxv4i32.p0(ptr align 4 [[TMP20]], splat (i1 true), i32 [[TMP18]]) ; IF-EVL-NEXT: [[TMP22]] = call @llvm.experimental.vp.splice.nxv4i32( [[VECTOR_RECUR]], [[VP_OP_LOAD]], i32 -1, splat (i1 true), i32 [[PREV_EVL]], i32 [[TMP18]]) ; IF-EVL-NEXT: [[TMP23]] = call @llvm.experimental.vp.splice.nxv4i32( [[VECTOR_RECUR2]], [[TMP22]], i32 -1, splat (i1 true), i32 [[PREV_EVL]], i32 [[TMP18]]) ; IF-EVL-NEXT: [[TMP24:%.*]] = call @llvm.experimental.vp.splice.nxv4i32( [[VECTOR_RECUR4]], [[TMP23]], i32 -1, splat (i1 true), i32 [[PREV_EVL]], i32 [[TMP18]]) ; IF-EVL-NEXT: [[TMP40:%.*]] = add nsw [[TMP23]], [[TMP24]] ; IF-EVL-NEXT: [[VP_OP5:%.*]] = add [[TMP40]], [[TMP22]] ; IF-EVL-NEXT: [[TMP25:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[EVL_BASED_IV]] ; IF-EVL-NEXT: call void @llvm.vp.store.nxv4i32.p0( [[VP_OP5]], ptr align 4 [[TMP25]], splat (i1 true), i32 [[TMP18]]) ; IF-EVL-NEXT: [[TMP27:%.*]] = zext i32 [[TMP18]] to i64 ; IF-EVL-NEXT: [[INDEX_EVL_NEXT]] = add i64 [[TMP27]], [[EVL_BASED_IV]] ; IF-EVL-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP27]] ; IF-EVL-NEXT: [[TMP28:%.*]] = icmp eq i64 [[INDEX_EVL_NEXT]], [[TC]] ; IF-EVL-NEXT: br i1 [[TMP28]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]] ; IF-EVL: [[MIDDLE_BLOCK]]: ; IF-EVL-NEXT: br label %[[FOR_END:.*]] ; IF-EVL: [[SCALAR_PH]]: ; IF-EVL-NEXT: br label %[[FOR_BODY:.*]] ; IF-EVL: [[FOR_BODY]]: ; IF-EVL-NEXT: [[INDVARS:%.*]] = phi i64 [ 0, %[[SCALAR_PH]] ], [ [[INDVARS_NEXT:%.*]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[FOR1:%.*]] = phi i32 [ 33, %[[SCALAR_PH]] ], [ [[TMP38:%.*]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[FOR2:%.*]] = phi i32 [ 22, %[[SCALAR_PH]] ], [ [[FOR1]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[FOR3:%.*]] = phi i32 [ 11, %[[SCALAR_PH]] ], [ [[FOR2]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDVARS]] ; IF-EVL-NEXT: [[TMP38]] = load i32, ptr [[ARRAYIDX]], align 4 ; IF-EVL-NEXT: [[ADD:%.*]] = add nsw i32 [[FOR2]], [[FOR3]] ; IF-EVL-NEXT: [[ADD1:%.*]] = add i32 [[ADD]], [[FOR1]] ; IF-EVL-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDVARS]] ; IF-EVL-NEXT: store i32 [[ADD1]], ptr [[ARRAYIDX2]], align 4 ; IF-EVL-NEXT: [[INDVARS_NEXT]] = add nuw nsw i64 [[INDVARS]], 1 ; IF-EVL-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_NEXT]], [[TC]] ; IF-EVL-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] ; IF-EVL: [[FOR_END]]: ; IF-EVL-NEXT: ret void ; ; NO-VP-LABEL: define void @third_order_recurrence( ; NO-VP-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i64 [[TC:%.*]]) #[[ATTR0]] { ; NO-VP-NEXT: [[ENTRY:.*]]: ; NO-VP-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() ; NO-VP-NEXT: [[TMP1:%.*]] = shl nuw i64 [[TMP0]], 2 ; NO-VP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TC]], [[TMP1]] ; NO-VP-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; NO-VP: [[VECTOR_PH]]: ; NO-VP-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() ; NO-VP-NEXT: [[TMP3:%.*]] = mul nuw i64 [[TMP2]], 4 ; NO-VP-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TC]], [[TMP3]] ; NO-VP-NEXT: [[N_VEC:%.*]] = sub i64 [[TC]], [[N_MOD_VF]] ; NO-VP-NEXT: [[TMP6:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP7:%.*]] = mul nuw i32 [[TMP6]], 4 ; NO-VP-NEXT: [[TMP8:%.*]] = sub i32 [[TMP7]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i32 33, i32 [[TMP8]] ; NO-VP-NEXT: [[TMP9:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP10:%.*]] = mul nuw i32 [[TMP9]], 4 ; NO-VP-NEXT: [[TMP11:%.*]] = sub i32 [[TMP10]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_INIT1:%.*]] = insertelement poison, i32 22, i32 [[TMP11]] ; NO-VP-NEXT: [[TMP12:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP13:%.*]] = mul nuw i32 [[TMP12]], 4 ; NO-VP-NEXT: [[TMP14:%.*]] = sub i32 [[TMP13]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_INIT3:%.*]] = insertelement poison, i32 11, i32 [[TMP14]] ; NO-VP-NEXT: br label %[[VECTOR_BODY:.*]] ; NO-VP: [[VECTOR_BODY]]: ; NO-VP-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[VECTOR_RECUR2:%.*]] = phi [ [[VECTOR_RECUR_INIT1]], %[[VECTOR_PH]] ], [ [[TMP18:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[VECTOR_RECUR4:%.*]] = phi [ [[VECTOR_RECUR_INIT3]], %[[VECTOR_PH]] ], [ [[TMP19:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[TMP16:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDEX]] ; NO-VP-NEXT: [[WIDE_LOAD]] = load , ptr [[TMP16]], align 4 ; NO-VP-NEXT: [[TMP18]] = call @llvm.vector.splice.nxv4i32( [[VECTOR_RECUR]], [[WIDE_LOAD]], i32 -1) ; NO-VP-NEXT: [[TMP19]] = call @llvm.vector.splice.nxv4i32( [[VECTOR_RECUR2]], [[TMP18]], i32 -1) ; NO-VP-NEXT: [[TMP20:%.*]] = call @llvm.vector.splice.nxv4i32( [[VECTOR_RECUR4]], [[TMP19]], i32 -1) ; NO-VP-NEXT: [[TMP21:%.*]] = add nsw [[TMP19]], [[TMP20]] ; NO-VP-NEXT: [[TMP22:%.*]] = add [[TMP21]], [[TMP18]] ; NO-VP-NEXT: [[TMP23:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDEX]] ; NO-VP-NEXT: store [[TMP22]], ptr [[TMP23]], align 4 ; NO-VP-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP3]] ; NO-VP-NEXT: [[TMP25:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; NO-VP-NEXT: br i1 [[TMP25]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] ; NO-VP: [[MIDDLE_BLOCK]]: ; NO-VP-NEXT: [[TMP26:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP27:%.*]] = mul nuw i32 [[TMP26]], 4 ; NO-VP-NEXT: [[TMP28:%.*]] = sub i32 [[TMP27]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement [[WIDE_LOAD]], i32 [[TMP28]] ; NO-VP-NEXT: [[TMP29:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP30:%.*]] = mul nuw i32 [[TMP29]], 4 ; NO-VP-NEXT: [[TMP31:%.*]] = sub i32 [[TMP30]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT5:%.*]] = extractelement [[TMP18]], i32 [[TMP31]] ; NO-VP-NEXT: [[TMP32:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP33:%.*]] = mul nuw i32 [[TMP32]], 4 ; NO-VP-NEXT: [[TMP34:%.*]] = sub i32 [[TMP33]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT6:%.*]] = extractelement [[TMP19]], i32 [[TMP34]] ; NO-VP-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TC]], [[N_VEC]] ; NO-VP-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] ; NO-VP: [[SCALAR_PH]]: ; NO-VP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] ; NO-VP-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ [[VECTOR_RECUR_EXTRACT]], %[[MIDDLE_BLOCK]] ], [ 33, %[[ENTRY]] ] ; NO-VP-NEXT: [[SCALAR_RECUR_INIT7:%.*]] = phi i32 [ [[VECTOR_RECUR_EXTRACT5]], %[[MIDDLE_BLOCK]] ], [ 22, %[[ENTRY]] ] ; NO-VP-NEXT: [[SCALAR_RECUR_INIT8:%.*]] = phi i32 [ [[VECTOR_RECUR_EXTRACT6]], %[[MIDDLE_BLOCK]] ], [ 11, %[[ENTRY]] ] ; NO-VP-NEXT: br label %[[FOR_BODY:.*]] ; NO-VP: [[FOR_BODY]]: ; NO-VP-NEXT: [[INDVARS:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INDVARS_NEXT:%.*]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[FOR1:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], %[[SCALAR_PH]] ], [ [[TMP35:%.*]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[FOR2:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT7]], %[[SCALAR_PH]] ], [ [[FOR1]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[FOR3:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT8]], %[[SCALAR_PH]] ], [ [[FOR2]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDVARS]] ; NO-VP-NEXT: [[TMP35]] = load i32, ptr [[ARRAYIDX]], align 4 ; NO-VP-NEXT: [[ADD:%.*]] = add nsw i32 [[FOR2]], [[FOR3]] ; NO-VP-NEXT: [[ADD1:%.*]] = add i32 [[ADD]], [[FOR1]] ; NO-VP-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDVARS]] ; NO-VP-NEXT: store i32 [[ADD1]], ptr [[ARRAYIDX2]], align 4 ; NO-VP-NEXT: [[INDVARS_NEXT]] = add nuw nsw i64 [[INDVARS]], 1 ; NO-VP-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_NEXT]], [[TC]] ; NO-VP-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]] ; NO-VP: [[FOR_END]]: ; NO-VP-NEXT: ret void ; entry: br label %for.body for.body: %indvars = phi i64 [ 0, %entry ], [ %indvars.next, %for.body ] %for1 = phi i32 [ 33, %entry ], [ %0, %for.body ] %for2 = phi i32 [ 22, %entry ], [ %for1, %for.body ] %for3 = phi i32 [ 11, %entry ], [ %for2, %for.body ] %arrayidx = getelementptr inbounds nuw i32, ptr %A, i64 %indvars %0 = load i32, ptr %arrayidx, align 4 %add = add nsw i32 %for2, %for3 %add1 = add i32 %add, %for1 %arrayidx2 = getelementptr inbounds nuw i32, ptr %B, i64 %indvars store i32 %add1, ptr %arrayidx2, align 4 %indvars.next = add nuw nsw i64 %indvars, 1 %exitcond.not = icmp eq i64 %indvars.next, %TC br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 for.end: ret void } define i32 @FOR_reduction(ptr noalias %A, ptr noalias %B, i64 %TC) { ; IF-EVL-LABEL: define i32 @FOR_reduction( ; IF-EVL-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i64 [[TC:%.*]]) #[[ATTR0]] { ; IF-EVL-NEXT: [[ENTRY:.*]]: ; IF-EVL-NEXT: [[TMP9:%.*]] = call i64 @llvm.vscale.i64() ; IF-EVL-NEXT: [[TMP1:%.*]] = shl nuw i64 [[TMP9]], 2 ; IF-EVL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TC]], [[TMP1]] ; IF-EVL-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; IF-EVL: [[VECTOR_PH]]: ; IF-EVL-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() ; IF-EVL-NEXT: [[TMP3:%.*]] = mul nuw i64 [[TMP2]], 4 ; IF-EVL-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TC]], [[TMP3]] ; IF-EVL-NEXT: [[N_VEC:%.*]] = sub i64 [[TC]], [[N_MOD_VF]] ; IF-EVL-NEXT: [[TMP6:%.*]] = call i32 @llvm.vscale.i32() ; IF-EVL-NEXT: [[TMP7:%.*]] = mul nuw i32 [[TMP6]], 4 ; IF-EVL-NEXT: [[TMP8:%.*]] = sub i32 [[TMP7]], 1 ; IF-EVL-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i32 33, i32 [[TMP8]] ; IF-EVL-NEXT: br label %[[VECTOR_BODY:.*]] ; IF-EVL: [[VECTOR_BODY]]: ; IF-EVL-NEXT: [[INDVARS:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDVARS]] ; IF-EVL-NEXT: [[WIDE_LOAD]] = load , ptr [[ARRAYIDX]], align 4 ; IF-EVL-NEXT: [[TMP10:%.*]] = call @llvm.vector.splice.nxv4i32( [[VECTOR_RECUR]], [[WIDE_LOAD]], i32 -1) ; IF-EVL-NEXT: [[TMP11:%.*]] = add nsw [[TMP10]], [[WIDE_LOAD]] ; IF-EVL-NEXT: [[TMP12:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDVARS]] ; IF-EVL-NEXT: store [[TMP11]], ptr [[TMP12]], align 4 ; IF-EVL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDVARS]], [[TMP3]] ; IF-EVL-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; IF-EVL-NEXT: br i1 [[TMP13]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]] ; IF-EVL: [[MIDDLE_BLOCK]]: ; IF-EVL-NEXT: [[TMP14:%.*]] = call i32 @llvm.vscale.i32() ; IF-EVL-NEXT: [[TMP15:%.*]] = mul nuw i32 [[TMP14]], 4 ; IF-EVL-NEXT: [[TMP16:%.*]] = sub i32 [[TMP15]], 1 ; IF-EVL-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement [[WIDE_LOAD]], i32 [[TMP16]] ; IF-EVL-NEXT: [[TMP17:%.*]] = call i32 @llvm.vscale.i32() ; IF-EVL-NEXT: [[TMP18:%.*]] = mul nuw i32 [[TMP17]], 4 ; IF-EVL-NEXT: [[TMP19:%.*]] = sub i32 [[TMP18]], 2 ; IF-EVL-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement [[WIDE_LOAD]], i32 [[TMP19]] ; IF-EVL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TC]], [[N_VEC]] ; IF-EVL-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] ; IF-EVL: [[SCALAR_PH]]: ; IF-EVL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] ; IF-EVL-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ [[VECTOR_RECUR_EXTRACT]], %[[MIDDLE_BLOCK]] ], [ 33, %[[ENTRY]] ] ; IF-EVL-NEXT: br label %[[FOR_BODY:.*]] ; IF-EVL: [[FOR_BODY]]: ; IF-EVL-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INDVARS_NEXT:%.*]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[FOR1:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], %[[SCALAR_PH]] ], [ [[TMP0:%.*]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[IV]] ; IF-EVL-NEXT: [[TMP0]] = load i32, ptr [[ARRAYIDX1]], align 4 ; IF-EVL-NEXT: [[ADD:%.*]] = add nsw i32 [[FOR1]], [[TMP0]] ; IF-EVL-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[IV]] ; IF-EVL-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX2]], align 4 ; IF-EVL-NEXT: [[INDVARS_NEXT]] = add nuw nsw i64 [[IV]], 1 ; IF-EVL-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_NEXT]], [[TC]] ; IF-EVL-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] ; IF-EVL: [[FOR_END]]: ; IF-EVL-NEXT: [[FOR1_LCSSA:%.*]] = phi i32 [ [[FOR1]], %[[FOR_BODY]] ], [ [[VECTOR_RECUR_EXTRACT_FOR_PHI]], %[[MIDDLE_BLOCK]] ] ; IF-EVL-NEXT: ret i32 [[FOR1_LCSSA]] ; ; NO-VP-LABEL: define i32 @FOR_reduction( ; NO-VP-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i64 [[TC:%.*]]) #[[ATTR0]] { ; NO-VP-NEXT: [[ENTRY:.*]]: ; NO-VP-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() ; NO-VP-NEXT: [[TMP1:%.*]] = shl nuw i64 [[TMP0]], 2 ; NO-VP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TC]], [[TMP1]] ; NO-VP-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; NO-VP: [[VECTOR_PH]]: ; NO-VP-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() ; NO-VP-NEXT: [[TMP3:%.*]] = mul nuw i64 [[TMP2]], 4 ; NO-VP-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TC]], [[TMP3]] ; NO-VP-NEXT: [[N_VEC:%.*]] = sub i64 [[TC]], [[N_MOD_VF]] ; NO-VP-NEXT: [[TMP6:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP7:%.*]] = mul nuw i32 [[TMP6]], 4 ; NO-VP-NEXT: [[TMP8:%.*]] = sub i32 [[TMP7]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i32 33, i32 [[TMP8]] ; NO-VP-NEXT: br label %[[VECTOR_BODY:.*]] ; NO-VP: [[VECTOR_BODY]]: ; NO-VP-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[TMP10:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDEX]] ; NO-VP-NEXT: [[WIDE_LOAD]] = load , ptr [[TMP10]], align 4 ; NO-VP-NEXT: [[TMP12:%.*]] = call @llvm.vector.splice.nxv4i32( [[VECTOR_RECUR]], [[WIDE_LOAD]], i32 -1) ; NO-VP-NEXT: [[TMP13:%.*]] = add nsw [[TMP12]], [[WIDE_LOAD]] ; NO-VP-NEXT: [[TMP14:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDEX]] ; NO-VP-NEXT: store [[TMP13]], ptr [[TMP14]], align 4 ; NO-VP-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP3]] ; NO-VP-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; NO-VP-NEXT: br i1 [[TMP16]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] ; NO-VP: [[MIDDLE_BLOCK]]: ; NO-VP-NEXT: [[TMP17:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP18:%.*]] = mul nuw i32 [[TMP17]], 4 ; NO-VP-NEXT: [[TMP19:%.*]] = sub i32 [[TMP18]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement [[WIDE_LOAD]], i32 [[TMP19]] ; NO-VP-NEXT: [[TMP20:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP21:%.*]] = mul nuw i32 [[TMP20]], 4 ; NO-VP-NEXT: [[TMP22:%.*]] = sub i32 [[TMP21]], 2 ; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement [[WIDE_LOAD]], i32 [[TMP22]] ; NO-VP-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TC]], [[N_VEC]] ; NO-VP-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] ; NO-VP: [[SCALAR_PH]]: ; NO-VP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] ; NO-VP-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ [[VECTOR_RECUR_EXTRACT_FOR_PHI]], %[[MIDDLE_BLOCK]] ], [ 33, %[[ENTRY]] ] ; NO-VP-NEXT: br label %[[FOR_BODY:.*]] ; NO-VP: [[FOR_BODY]]: ; NO-VP-NEXT: [[INDVARS:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INDVARS_NEXT:%.*]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[FOR1:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], %[[SCALAR_PH]] ], [ [[TMP23:%.*]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDVARS]] ; NO-VP-NEXT: [[TMP23]] = load i32, ptr [[ARRAYIDX]], align 4 ; NO-VP-NEXT: [[ADD:%.*]] = add nsw i32 [[FOR1]], [[TMP23]] ; NO-VP-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDVARS]] ; NO-VP-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX2]], align 4 ; NO-VP-NEXT: [[INDVARS_NEXT]] = add nuw nsw i64 [[INDVARS]], 1 ; NO-VP-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_NEXT]], [[TC]] ; NO-VP-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]] ; NO-VP: [[FOR_END]]: ; NO-VP-NEXT: [[FOR1_LCSSA:%.*]] = phi i32 [ [[FOR1]], %[[FOR_BODY]] ], [ [[VECTOR_RECUR_EXTRACT]], %[[MIDDLE_BLOCK]] ] ; NO-VP-NEXT: ret i32 [[FOR1_LCSSA]] ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] %for1 = phi i32 [ 33, %entry ], [ %0, %for.body ] %arrayidx = getelementptr inbounds nuw i32, ptr %A, i64 %iv %0 = load i32, ptr %arrayidx, align 4 %add = add nsw i32 %for1, %0 %arrayidx2 = getelementptr inbounds nuw i32, ptr %B, i64 %iv store i32 %add, ptr %arrayidx2, align 4 %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, %TC br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 for.end: ret i32 %for1 } define void @first_order_recurrence_indvar(ptr noalias %A, i64 %TC) { ; IF-EVL-LABEL: define void @first_order_recurrence_indvar( ; IF-EVL-SAME: ptr noalias [[A:%.*]], i64 [[TC:%.*]]) #[[ATTR0]] { ; IF-EVL-NEXT: [[ENTRY:.*:]] ; IF-EVL-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; IF-EVL: [[VECTOR_PH]]: ; IF-EVL-NEXT: [[TMP18:%.*]] = call i64 @llvm.vscale.i64() ; IF-EVL-NEXT: [[TMP4:%.*]] = mul nuw i64 [[TMP18]], 2 ; IF-EVL-NEXT: [[TMP5:%.*]] = trunc i64 [[TMP4]] to i32 ; IF-EVL-NEXT: [[TMP6:%.*]] = call @llvm.stepvector.nxv2i64() ; IF-EVL-NEXT: [[TMP12:%.*]] = mul [[TMP6]], splat (i64 1) ; IF-EVL-NEXT: [[INDUCTION:%.*]] = add zeroinitializer, [[TMP12]] ; IF-EVL-NEXT: [[TMP13:%.*]] = call i32 @llvm.vscale.i32() ; IF-EVL-NEXT: [[TMP19:%.*]] = mul nuw i32 [[TMP13]], 2 ; IF-EVL-NEXT: [[TMP10:%.*]] = sub i32 [[TMP19]], 1 ; IF-EVL-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i64 33, i32 [[TMP10]] ; IF-EVL-NEXT: br label %[[VECTOR_BODY:.*]] ; IF-EVL: [[VECTOR_BODY]]: ; IF-EVL-NEXT: [[EVL_BASED_IV:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_EVL_NEXT:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[VEC_IND:%.*]] = phi [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[TMP20:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[AVL:%.*]] = phi i64 [ [[TC]], %[[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[PREV_EVL:%.*]] = phi i32 [ [[TMP5]], %[[VECTOR_PH]] ], [ [[TMP11:%.*]], %[[VECTOR_BODY]] ] ; IF-EVL-NEXT: [[TMP11]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true) ; IF-EVL-NEXT: [[TMP7:%.*]] = zext i32 [[TMP11]] to i64 ; IF-EVL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i64 [[TMP7]], i64 0 ; IF-EVL-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; IF-EVL-NEXT: [[TMP20]] = add [[VEC_IND]], splat (i64 42) ; IF-EVL-NEXT: [[TMP15:%.*]] = call @llvm.experimental.vp.splice.nxv2i64( [[VECTOR_RECUR]], [[TMP20]], i32 -1, splat (i1 true), i32 [[PREV_EVL]], i32 [[TMP11]]) ; IF-EVL-NEXT: [[TMP9:%.*]] = getelementptr inbounds nuw i64, ptr [[A]], i64 [[EVL_BASED_IV]] ; IF-EVL-NEXT: call void @llvm.vp.store.nxv2i64.p0( [[TMP15]], ptr align 8 [[TMP9]], splat (i1 true), i32 [[TMP11]]) ; IF-EVL-NEXT: [[TMP21:%.*]] = zext i32 [[TMP11]] to i64 ; IF-EVL-NEXT: [[INDEX_EVL_NEXT]] = add i64 [[TMP21]], [[EVL_BASED_IV]] ; IF-EVL-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP21]] ; IF-EVL-NEXT: [[VEC_IND_NEXT]] = add [[VEC_IND]], [[BROADCAST_SPLAT]] ; IF-EVL-NEXT: [[TMP22:%.*]] = icmp eq i64 [[INDEX_EVL_NEXT]], [[TC]] ; IF-EVL-NEXT: br i1 [[TMP22]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]] ; IF-EVL: [[MIDDLE_BLOCK]]: ; IF-EVL-NEXT: br label %[[FOR_END:.*]] ; IF-EVL: [[SCALAR_PH]]: ; IF-EVL-NEXT: br label %[[FOR_BODY:.*]] ; IF-EVL: [[FOR_BODY]]: ; IF-EVL-NEXT: [[IV1:%.*]] = phi i64 [ 0, %[[SCALAR_PH]] ], [ [[IV1_NEXT:%.*]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[FOR1:%.*]] = phi i64 [ 33, %[[SCALAR_PH]] ], [ [[TMP14:%.*]], %[[FOR_BODY]] ] ; IF-EVL-NEXT: [[TMP14]] = add i64 [[IV1]], 42 ; IF-EVL-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i64, ptr [[A]], i64 [[IV1]] ; IF-EVL-NEXT: store i64 [[FOR1]], ptr [[ARRAYIDX]], align 8 ; IF-EVL-NEXT: [[IV1_NEXT]] = add nuw nsw i64 [[IV1]], 1 ; IF-EVL-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV1_NEXT]], [[TC]] ; IF-EVL-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]] ; IF-EVL: [[FOR_END]]: ; IF-EVL-NEXT: ret void ; ; NO-VP-LABEL: define void @first_order_recurrence_indvar( ; NO-VP-SAME: ptr noalias [[A:%.*]], i64 [[TC:%.*]]) #[[ATTR0]] { ; NO-VP-NEXT: [[ENTRY:.*]]: ; NO-VP-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() ; NO-VP-NEXT: [[TMP1:%.*]] = shl nuw i64 [[TMP0]], 1 ; NO-VP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TC]], [[TMP1]] ; NO-VP-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] ; NO-VP: [[VECTOR_PH]]: ; NO-VP-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() ; NO-VP-NEXT: [[TMP3:%.*]] = mul nuw i64 [[TMP2]], 2 ; NO-VP-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TC]], [[TMP3]] ; NO-VP-NEXT: [[N_VEC:%.*]] = sub i64 [[TC]], [[N_MOD_VF]] ; NO-VP-NEXT: [[TMP6:%.*]] = call @llvm.stepvector.nxv2i64() ; NO-VP-NEXT: [[TMP7:%.*]] = mul [[TMP6]], splat (i64 1) ; NO-VP-NEXT: [[INDUCTION:%.*]] = add zeroinitializer, [[TMP7]] ; NO-VP-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i64 [[TMP3]], i64 0 ; NO-VP-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; NO-VP-NEXT: [[TMP14:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP16:%.*]] = mul nuw i32 [[TMP14]], 2 ; NO-VP-NEXT: [[TMP20:%.*]] = sub i32 [[TMP16]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i64 33, i32 [[TMP20]] ; NO-VP-NEXT: br label %[[VECTOR_BODY:.*]] ; NO-VP: [[VECTOR_BODY]]: ; NO-VP-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[VEC_IND:%.*]] = phi [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[TMP12:%.*]], %[[VECTOR_BODY]] ] ; NO-VP-NEXT: [[TMP12]] = add [[VEC_IND]], splat (i64 42) ; NO-VP-NEXT: [[TMP13:%.*]] = call @llvm.vector.splice.nxv2i64( [[VECTOR_RECUR]], [[TMP12]], i32 -1) ; NO-VP-NEXT: [[TMP11:%.*]] = getelementptr inbounds nuw i64, ptr [[A]], i64 [[INDEX]] ; NO-VP-NEXT: store [[TMP13]], ptr [[TMP11]], align 8 ; NO-VP-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP3]] ; NO-VP-NEXT: [[VEC_IND_NEXT]] = add [[VEC_IND]], [[BROADCAST_SPLAT]] ; NO-VP-NEXT: [[TMP23:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; NO-VP-NEXT: br i1 [[TMP23]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] ; NO-VP: [[MIDDLE_BLOCK]]: ; NO-VP-NEXT: [[TMP17:%.*]] = call i32 @llvm.vscale.i32() ; NO-VP-NEXT: [[TMP21:%.*]] = mul nuw i32 [[TMP17]], 2 ; NO-VP-NEXT: [[TMP19:%.*]] = sub i32 [[TMP21]], 1 ; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement [[TMP12]], i32 [[TMP19]] ; NO-VP-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TC]], [[N_VEC]] ; NO-VP-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] ; NO-VP: [[SCALAR_PH]]: ; NO-VP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] ; NO-VP-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i64 [ [[VECTOR_RECUR_EXTRACT]], %[[MIDDLE_BLOCK]] ], [ 33, %[[ENTRY]] ] ; NO-VP-NEXT: br label %[[FOR_BODY:.*]] ; NO-VP: [[FOR_BODY]]: ; NO-VP-NEXT: [[IV1:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV1_NEXT:%.*]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[FOR1:%.*]] = phi i64 [ [[SCALAR_RECUR_INIT]], %[[SCALAR_PH]] ], [ [[TMP18:%.*]], %[[FOR_BODY]] ] ; NO-VP-NEXT: [[TMP18]] = add i64 [[IV1]], 42 ; NO-VP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i64, ptr [[A]], i64 [[IV1]] ; NO-VP-NEXT: store i64 [[FOR1]], ptr [[ARRAYIDX]], align 8 ; NO-VP-NEXT: [[IV1_NEXT]] = add nuw nsw i64 [[IV1]], 1 ; NO-VP-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV1_NEXT]], [[TC]] ; NO-VP-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]] ; NO-VP: [[FOR_END]]: ; NO-VP-NEXT: ret void ; entry: br label %for.body for.body: %indvars = phi i64 [ 0, %entry ], [ %indvars.next, %for.body ] %for1 = phi i64 [ 33, %entry ], [ %x, %for.body ] %x = add i64 %indvars, 42 %arrayidx = getelementptr inbounds nuw i64, ptr %A, i64 %indvars store i64 %for1, ptr %arrayidx %indvars.next = add nuw nsw i64 %indvars, 1 %exitcond.not = icmp eq i64 %indvars.next, %TC br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 for.end: ret void } !0 = distinct !{!0, !1} !1 = !{!"llvm.loop.vectorize.enable", i1 true} ;. ; IF-EVL: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]], [[META3:![0-9]+]]} ; IF-EVL: [[META1]] = !{!"llvm.loop.isvectorized", i32 1} ; IF-EVL: [[META2]] = !{!"llvm.loop.isvectorized.tailfoldingstyle", !"evl"} ; IF-EVL: [[META3]] = !{!"llvm.loop.unroll.runtime.disable"} ; IF-EVL: [[LOOP4]] = distinct !{[[LOOP4]], [[META3]], [[META1]]} ; IF-EVL: [[LOOP5]] = distinct !{[[LOOP5]], [[META1]], [[META2]], [[META3]]} ; IF-EVL: [[LOOP6]] = distinct !{[[LOOP6]], [[META3]], [[META1]]} ; IF-EVL: [[LOOP7]] = distinct !{[[LOOP7]], [[META1]], [[META2]], [[META3]]} ; IF-EVL: [[LOOP8]] = distinct !{[[LOOP8]], [[META3]], [[META1]]} ; IF-EVL: [[LOOP9]] = distinct !{[[LOOP9]], [[META1]], [[META3]]} ; IF-EVL: [[LOOP10]] = distinct !{[[LOOP10]], [[META3]], [[META1]]} ; IF-EVL: [[LOOP11]] = distinct !{[[LOOP11]], [[META1]], [[META2]], [[META3]]} ; IF-EVL: [[LOOP12]] = distinct !{[[LOOP12]], [[META3]], [[META1]]} ;. ; NO-VP: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]} ; NO-VP: [[META1]] = !{!"llvm.loop.isvectorized", i32 1} ; NO-VP: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"} ; NO-VP: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]} ; NO-VP: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]} ; NO-VP: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]} ; NO-VP: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]} ; NO-VP: [[LOOP7]] = distinct !{[[LOOP7]], [[META2]], [[META1]]} ; NO-VP: [[LOOP8]] = distinct !{[[LOOP8]], [[META1]], [[META2]]} ; NO-VP: [[LOOP9]] = distinct !{[[LOOP9]], [[META2]], [[META1]]} ; NO-VP: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]} ; NO-VP: [[LOOP11]] = distinct !{[[LOOP11]], [[META2]], [[META1]]} ;.