; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=disabled -S | FileCheck %s -check-prefix=CHECK-NOTF
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=default -S | FileCheck %s -check-prefix=CHECK-NOTF
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S | FileCheck %s -check-prefix=CHECK-NOTF
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=all -S | FileCheck %s -check-prefix=CHECK-TF
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=simple+reductions+recurrences+reverse -S | FileCheck %s -check-prefix=CHECK-TF
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S -mcpu=neoverse-v1 -sve-tail-folding=default+reductions+recurrences+reverse | FileCheck %s -check-prefix=CHECK-TF
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=all+noreductions -S | FileCheck %s -check-prefix=CHECK-TF-NORED
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=all+norecurrences -S | FileCheck %s -check-prefix=CHECK-TF-NOREC
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=all+noreverse -S | FileCheck %s -check-prefix=CHECK-TF-NOREV
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=reductions -S | FileCheck %s -check-prefix=CHECK-TF-ONLYRED
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S -sve-tail-folding=default -mcpu=neoverse-v1 | FileCheck %s -check-prefix=CHECK-NEOVERSE-V1
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S -mcpu=neoverse-v1 -sve-tail-folding=default | FileCheck %s -check-prefix=CHECK-NEOVERSE-V1
; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S -mcpu=neoverse-v1 | FileCheck %s -check-prefix=CHECK-NEOVERSE-V1
target triple = "aarch64-unknown-linux-gnu"
define void @simple_memset(i32 %val, ptr %ptr, i64 %n) #0 {
; CHECK-NOTF-LABEL: @simple_memset(
; CHECK-NOTF: vector.ph:
; CHECK-NOTF: %[[INSERT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %val, i64 0
; CHECK-NOTF: %[[SPLAT:.*]] = shufflevector <vscale x 4 x i32> %[[INSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-NOTF: vector.body:
; CHECK-NOTF-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-NOTF: store <vscale x 4 x i32> %[[SPLAT]], ptr
; CHECK-TF-NORED-LABEL: @simple_memset(
; CHECK-TF-NORED: vector.ph:
; CHECK-TF-NORED: %[[INSERT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %val, i64 0
; CHECK-TF-NORED: %[[SPLAT:.*]] = shufflevector <vscale x 4 x i32> %[[INSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-TF-NORED: vector.body:
; CHECK-TF-NORED: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF-NORED: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> %[[SPLAT]], {{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF-NOREC-LABEL: @simple_memset(
; CHECK-TF-NOREC: vector.ph:
; CHECK-TF-NOREC: %[[INSERT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %val, i64 0
; CHECK-TF-NOREC: %[[SPLAT:.*]] = shufflevector <vscale x 4 x i32> %[[INSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-TF-NOREC: vector.body:
; CHECK-TF-NOREC: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF-NOREC: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> %[[SPLAT]], {{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF-NOREV-LABEL: @simple_memset(
; CHECK-TF-NOREV: vector.ph:
; CHECK-TF-NOREV: %[[INSERT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %val, i64 0
; CHECK-TF-NOREV: %[[SPLAT:.*]] = shufflevector <vscale x 4 x i32> %[[INSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-TF-NOREV: vector.body:
; CHECK-TF-NOREV: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF-NOREV: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> %[[SPLAT]], {{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF-LABEL: @simple_memset(
; CHECK-TF: vector.ph:
; CHECK-TF: %[[INSERT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %val, i64 0
; CHECK-TF: %[[SPLAT:.*]] = shufflevector <vscale x 4 x i32> %[[INSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-TF: vector.body:
; CHECK-TF: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> %[[SPLAT]], {{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF-ONLYRED-LABEL: @simple_memset(
; CHECK-TF-ONLYRED: vector.ph:
; CHECK-TF-ONLYRED: %[[INSERT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %val, i64 0
; CHECK-TF-ONLYRED: %[[SPLAT:.*]] = shufflevector <vscale x 4 x i32> %[[INSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-TF-ONLYRED: vector.body:
; CHECK-TF-ONLYRED-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-TF-ONLYRED: store <vscale x 4 x i32> %[[SPLAT]], ptr
; CHECK-NEOVERSE-V1-LABEL: @simple_memset(
; CHECK-NEOVERSE-V1: vector.ph:
; CHECK-NEOVERSE-V1: %[[INSERT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %val, i64 0
; CHECK-NEOVERSE-V1: %[[SPLAT:.*]] = shufflevector <vscale x 4 x i32> %[[INSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-NEOVERSE-V1: vector.body:
; CHECK-NEOVERSE-V1: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-NEOVERSE-V1: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> %[[SPLAT]], {{.*}} %[[ACTIVE_LANE_MASK]]
entry:
br label %while.body
while.body: ; preds = %while.body, %entry
%index = phi i64 [ %index.next, %while.body ], [ 0, %entry ]
%gep = getelementptr i32, ptr %ptr, i64 %index
store i32 %val, ptr %gep
%index.next = add nsw i64 %index, 1
%cmp10 = icmp ult i64 %index.next, %n
br i1 %cmp10, label %while.body, label %while.end.loopexit, !llvm.loop !0
while.end.loopexit: ; preds = %while.body
ret void
}
define float @fadd_red_fast(ptr noalias nocapture readonly %a, i64 %n) #0 {
; CHECK-NOTF-LABEL: @fadd_red_fast
; CHECK-NOTF: vector.body:
; CHECK-NOTF-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-NOTF: %[[LOAD:.*]] = load <vscale x 4 x float>
; CHECK-NOTF: %[[ADD:.*]] = fadd fast <vscale x 4 x float> %[[LOAD]]
; CHECK-NOTF: middle.block:
; CHECK-NOTF-NEXT: call fast float @llvm.vector.reduce.fadd.nxv4f32(float 0.000000e+00, <vscale x 4 x float> %[[ADD]])
; CHECK-TF-NORED-LABEL: @fadd_red_fast
; CHECK-TF-NORED: vector.body:
; CHECK-TF-NORED-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-TF-NORED: %[[LOAD:.*]] = load <vscale x 4 x float>
; CHECK-TF-NORED: %[[ADD:.*]] = fadd fast <vscale x 4 x float> %[[LOAD]]
; CHECK-TF-NORED: middle.block:
; CHECK-TF-NORED-NEXT: call fast float @llvm.vector.reduce.fadd.nxv4f32(float 0.000000e+00, <vscale x 4 x float> %[[ADD]])
; CHECK-TF-NOREC-LABEL: @fadd_red_fast
; CHECK-TF-NOREC: vector.body:
; CHECK-TF-NOREC: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF-NOREC: %[[VEC_PHI:.*]] = phi <vscale x 4 x float>
; CHECK-TF-NOREC: %[[LOAD:.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0({{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF-NOREC: %[[ADD:.*]] = fadd fast <vscale x 4 x float> %[[LOAD]]
; CHECK-TF-NOREC: %[[SEL:.*]] = select fast <vscale x 4 x i1> %[[ACTIVE_LANE_MASK]], <vscale x 4 x float> %[[ADD]], <vscale x 4 x float> %[[VEC_PHI]]
; CHECK-TF-NOREC: middle.block:
; CHECK-TF-NOREC-NEXT: call fast float @llvm.vector.reduce.fadd.nxv4f32(float 0.000000e+00, <vscale x 4 x float> %[[SEL]])
; CHECK-TF-NOREV-LABEL: @fadd_red_fast
; CHECK-TF-NOREV: vector.body:
; CHECK-TF-NOREV: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF-NOREV: %[[VEC_PHI:.*]] = phi <vscale x 4 x float>
; CHECK-TF-NOREV: %[[LOAD:.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0({{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF-NOREV: %[[ADD:.*]] = fadd fast <vscale x 4 x float> %[[LOAD]]
; CHECK-TF-NOREV: %[[SEL:.*]] = select fast <vscale x 4 x i1> %[[ACTIVE_LANE_MASK]], <vscale x 4 x float> %[[ADD]], <vscale x 4 x float> %[[VEC_PHI]]
; CHECK-TF-NOREV: middle.block:
; CHECK-TF-NOREV-NEXT: call fast float @llvm.vector.reduce.fadd.nxv4f32(float 0.000000e+00, <vscale x 4 x float> %[[SEL]])
; CHECK-TF-LABEL: @fadd_red_fast
; CHECK-TF: vector.body:
; CHECK-TF: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF: %[[VEC_PHI:.*]] = phi <vscale x 4 x float>
; CHECK-TF: %[[LOAD:.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0({{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF: %[[ADD:.*]] = fadd fast <vscale x 4 x float> %[[LOAD]]
; CHECK-TF: %[[SEL:.*]] = select fast <vscale x 4 x i1> %[[ACTIVE_LANE_MASK]], <vscale x 4 x float> %[[ADD]], <vscale x 4 x float> %[[VEC_PHI]]
; CHECK-TF: middle.block:
; CHECK-TF-NEXT: call fast float @llvm.vector.reduce.fadd.nxv4f32(float 0.000000e+00, <vscale x 4 x float> %[[SEL]])
; CHECK-TF-ONLYRED-LABEL: @fadd_red_fast
; CHECK-TF-ONLYRED: vector.body:
; CHECK-TF-ONLYRED: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF-ONLYRED: %[[VEC_PHI:.*]] = phi <vscale x 4 x float>
; CHECK-TF-ONLYRED: %[[LOAD:.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0({{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF-ONLYRED: %[[ADD:.*]] = fadd fast <vscale x 4 x float> %[[LOAD]]
; CHECK-TF-ONLYRED: %[[SEL:.*]] = select fast <vscale x 4 x i1> %[[ACTIVE_LANE_MASK]], <vscale x 4 x float> %[[ADD]], <vscale x 4 x float> %[[VEC_PHI]]
; CHECK-TF-ONLYRED: middle.block:
; CHECK-TF-ONLYRED-NEXT: call fast float @llvm.vector.reduce.fadd.nxv4f32(float 0.000000e+00, <vscale x 4 x float> %[[SEL]])
; CHECK-NEOVERSE-V1-LABEL: @fadd_red_fast
; CHECK-NEOVERSE-V1: vector.body:
; CHECK-NEOVERSE-V1-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-NEOVERSE-V1: %[[LOAD:.*]] = load <vscale x 4 x float>
; CHECK-NEOVERSE-V1: %[[ADD:.*]] = fadd fast <vscale x 4 x float> %[[LOAD]]
; CHECK-NEOVERSE-V1: middle.block:
; CHECK-NEOVERSE-V1-NEXT: call fast float @llvm.vector.reduce.fadd.nxv4f32(float 0.000000e+00, <vscale x 4 x float> %[[ADD]])
entry:
br label %for.body
for.body:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
%sum.07 = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ]
%arrayidx = getelementptr inbounds float, ptr %a, i64 %iv
%0 = load float, ptr %arrayidx, align 4
%add = fadd fast float %0, %sum.07
%iv.next = add nuw nsw i64 %iv, 1
%exitcond.not = icmp eq i64 %iv.next, %n
br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0
for.end:
ret float %add
}
define void @add_recur(ptr noalias %dst, ptr noalias %src, i64 %n) #0 {
; CHECK-NOTF-LABEL: @add_recur
; CHECK-NOTF: entry:
; CHECK-NOTF: %[[PRE:.*]] = load i32, ptr %src, align 4
; CHECK-NOTF: vector.ph:
; CHECK-NOTF: %[[RECUR_INIT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %[[PRE]]
; CHECK-NOTF: vector.body:
; CHECK-NOTF-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-NOTF: %[[VECTOR_RECUR:.*]] = phi <vscale x 4 x i32> [ %[[RECUR_INIT]], %vector.ph ], [ %[[LOAD:.*]], %vector.body ]
; CHECK-NOTF: %[[LOAD]] = load <vscale x 4 x i32>
; CHECK-NOTF: %[[SPLICE:.*]] = call <vscale x 4 x i32> @llvm.vector.splice.nxv4i32(<vscale x 4 x i32> %[[VECTOR_RECUR]], <vscale x 4 x i32> %[[LOAD]], i32 -1)
; CHECK-NOTF: %[[ADD:.*]] = add nsw <vscale x 4 x i32> %[[LOAD]], %[[SPLICE]]
; CHECK-NOTF: store <vscale x 4 x i32> %[[ADD]]
; CHECK-TF-NORED-LABEL: @add_recur
; CHECK-TF-NORED: entry:
; CHECK-TF-NORED: %[[PRE:.*]] = load i32, ptr %src, align 4
; CHECK-TF-NORED: vector.ph:
; CHECK-TF-NORED: %[[RECUR_INIT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %[[PRE]]
; CHECK-TF-NORED: vector.body:
; CHECK-TF-NORED: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF-NORED: %[[VECTOR_RECUR:.*]] = phi <vscale x 4 x i32> [ %[[RECUR_INIT]], %vector.ph ], [ %[[LOAD:.*]], %vector.body ]
; CHECK-TF-NORED: %[[LOAD]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0({{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF-NORED: %[[SPLICE:.*]] = call <vscale x 4 x i32> @llvm.vector.splice.nxv4i32(<vscale x 4 x i32> %[[VECTOR_RECUR]], <vscale x 4 x i32> %[[LOAD]], i32 -1)
; CHECK-TF-NORED: %[[ADD:.*]] = add nsw <vscale x 4 x i32> %[[LOAD]], %[[SPLICE]]
; CHECK-TF-NORED: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> %[[ADD]], {{.*}} <vscale x 4 x i1> %[[ACTIVE_LANE_MASK]])
; CHECK-TF-NOREC-LABEL: @add_recur
; CHECK-TF-NOREC: entry:
; CHECK-TF-NOREC: %[[PRE:.*]] = load i32, ptr %src, align 4
; CHECK-TF-NOREC: vector.ph:
; CHECK-TF-NOREC: %[[RECUR_INIT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %[[PRE]]
; CHECK-TF-NOREC: vector.body:
; CHECK-TF-NOREC-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-TF-NOREC: %[[VECTOR_RECUR:.*]] = phi <vscale x 4 x i32> [ %[[RECUR_INIT]], %vector.ph ], [ %[[LOAD:.*]], %vector.body ]
; CHECK-TF-NOREC: %[[LOAD]] = load <vscale x 4 x i32>
; CHECK-TF-NOREC: %[[SPLICE:.*]] = call <vscale x 4 x i32> @llvm.vector.splice.nxv4i32(<vscale x 4 x i32> %[[VECTOR_RECUR]], <vscale x 4 x i32> %[[LOAD]], i32 -1)
; CHECK-TF-NOREC: %[[ADD:.*]] = add nsw <vscale x 4 x i32> %[[LOAD]], %[[SPLICE]]
; CHECK-TF-NOREC: store <vscale x 4 x i32> %[[ADD]]
; CHECK-TF-NOREV-LABEL: @add_recur
; CHECK-TF-NOREV: entry:
; CHECK-TF-NOREV: %[[PRE:.*]] = load i32, ptr %src, align 4
; CHECK-TF-NOREV: vector.ph:
; CHECK-TF-NOREV: %[[RECUR_INIT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %[[PRE]]
; CHECK-TF-NOREV: vector.body:
; CHECK-TF-NOREV: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF-NOREV: %[[VECTOR_RECUR:.*]] = phi <vscale x 4 x i32> [ %[[RECUR_INIT]], %vector.ph ], [ %[[LOAD:.*]], %vector.body ]
; CHECK-TF-NOREV: %[[LOAD]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0({{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF-NOREV: %[[SPLICE:.*]] = call <vscale x 4 x i32> @llvm.vector.splice.nxv4i32(<vscale x 4 x i32> %[[VECTOR_RECUR]], <vscale x 4 x i32> %[[LOAD]], i32 -1)
; CHECK-TF-NOREV: %[[ADD:.*]] = add nsw <vscale x 4 x i32> %[[LOAD]], %[[SPLICE]]
; CHECK-TF-NOREV: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> %[[ADD]], {{.*}} <vscale x 4 x i1> %[[ACTIVE_LANE_MASK]])
; CHECK-TF-LABEL: @add_recur
; CHECK-TF: entry:
; CHECK-TF: %[[PRE:.*]] = load i32, ptr %src, align 4
; CHECK-TF: vector.ph:
; CHECK-TF: %[[RECUR_INIT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %[[PRE]]
; CHECK-TF: vector.body:
; CHECK-TF: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 4 x i1>
; CHECK-TF: %[[VECTOR_RECUR:.*]] = phi <vscale x 4 x i32> [ %[[RECUR_INIT]], %vector.ph ], [ %[[LOAD:.*]], %vector.body ]
; CHECK-TF: %[[LOAD]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0({{.*}} %[[ACTIVE_LANE_MASK]]
; CHECK-TF: %[[SPLICE:.*]] = call <vscale x 4 x i32> @llvm.vector.splice.nxv4i32(<vscale x 4 x i32> %[[VECTOR_RECUR]], <vscale x 4 x i32> %[[LOAD]], i32 -1)
; CHECK-TF: %[[ADD:.*]] = add nsw <vscale x 4 x i32> %[[LOAD]], %[[SPLICE]]
; CHECK-TF: call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> %[[ADD]], {{.*}} <vscale x 4 x i1> %[[ACTIVE_LANE_MASK]])
; CHECK-TF-ONLYRED-LABEL: @add_recur
; CHECK-TF-ONLYRED: entry:
; CHECK-TF-ONLYRED: %[[PRE:.*]] = load i32, ptr %src, align 4
; CHECK-TF-ONLYRED: vector.ph:
; CHECK-TF-ONLYRED: %[[RECUR_INIT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %[[PRE]]
; CHECK-TF-ONLYRED: vector.body:
; CHECK-TF-ONLYRED-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-TF-ONLYRED: %[[VECTOR_RECUR:.*]] = phi <vscale x 4 x i32> [ %[[RECUR_INIT]], %vector.ph ], [ %[[LOAD:.*]], %vector.body ]
; CHECK-TF-ONLYRED: %[[LOAD]] = load <vscale x 4 x i32>
; CHECK-TF-ONLYRED: %[[SPLICE:.*]] = call <vscale x 4 x i32> @llvm.vector.splice.nxv4i32(<vscale x 4 x i32> %[[VECTOR_RECUR]], <vscale x 4 x i32> %[[LOAD]], i32 -1)
; CHECK-TF-ONLYRED: %[[ADD:.*]] = add nsw <vscale x 4 x i32> %[[LOAD]], %[[SPLICE]]
; CHECK-TF-ONLYRED: store <vscale x 4 x i32> %[[ADD]]
; CHECK-NEOVERSE-V1-LABEL: @add_recur
; CHECK-NEOVERSE-V1: entry:
; CHECK-NEOVERSE-V1: %[[PRE:.*]] = load i32, ptr %src, align 4
; CHECK-NEOVERSE-V1: vector.ph:
; CHECK-NEOVERSE-V1: %[[RECUR_INIT:.*]] = insertelement <vscale x 4 x i32> poison, i32 %[[PRE]]
; CHECK-NEOVERSE-V1: vector.body:
; CHECK-NEOVERSE-V1-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-NEOVERSE-V1: %[[VECTOR_RECUR:.*]] = phi <vscale x 4 x i32> [ %[[RECUR_INIT]], %vector.ph ], [ %[[LOAD:.*]], %vector.body ]
; CHECK-NEOVERSE-V1: %[[LOAD]] = load <vscale x 4 x i32>
; CHECK-NEOVERSE-V1: %[[SPLICE:.*]] = call <vscale x 4 x i32> @llvm.vector.splice.nxv4i32(<vscale x 4 x i32> %[[VECTOR_RECUR]], <vscale x 4 x i32> %[[LOAD]], i32 -1)
; CHECK-NEOVERSE-V1: %[[ADD:.*]] = add nsw <vscale x 4 x i32> %[[LOAD]], %[[SPLICE]]
; CHECK-NEOVERSE-V1: store <vscale x 4 x i32> %[[ADD]]
entry:
%.pre = load i32, ptr %src, align 4
br label %for.body
for.body: ; preds = %entry, %for.body
%0 = phi i32 [ %1, %for.body ], [ %.pre, %entry ]
%i.010 = phi i64 [ %add, %for.body ], [ 0, %entry ]
%add = add nuw nsw i64 %i.010, 1
%arrayidx1 = getelementptr inbounds i32, ptr %src, i64 %add
%1 = load i32, ptr %arrayidx1, align 4
%add2 = add nsw i32 %1, %0
%arrayidx3 = getelementptr inbounds i32, ptr %dst, i64 %i.010
store i32 %add2, ptr %arrayidx3, align 4
%exitcond.not = icmp eq i64 %add, %n
br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0
for.end: ; preds = %for.body
ret void
}
define void @interleave(ptr noalias %dst, ptr noalias %src, i64 %n) #0 {
; CHECK-NOTF-LABEL: @interleave(
; CHECK-NOTF: vector.body:
; CHECK-NOTF: %[[LOAD:.*]] = load <8 x float>, ptr
; CHECK-NOTF: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
; CHECK-NOTF: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
; CHECK-TF-LABEL: @interleave(
; CHECK-TF: vector.body:
; CHECK-TF: %[[LOAD:.*]] = load <8 x float>, ptr
; CHECK-TF: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
; CHECK-TF: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
; CHECK-TF-NORED-LABEL: @interleave(
; CHECK-TF-NORED: vector.body:
; CHECK-TF-NORED: %[[LOAD:.*]] = load <8 x float>, ptr
; CHECK-TF-NORED: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
; CHECK-TF-NORED: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
; CHECK-TF-NOREC-LABEL: @interleave(
; CHECK-TF-NOREC: vector.body:
; CHECK-TF-NOREC: %[[LOAD:.*]] = load <8 x float>, ptr
; CHECK-TF-NOREC: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
; CHECK-TF-NOREC: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
; CHECK-TF-NOREV-LABEL: @interleave(
; CHECK-TF-NOREV: vector.body:
; CHECK-TF-NOREV: %[[LOAD:.*]] = load <8 x float>, ptr
; CHECK-TF-NOREV: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
; CHECK-TF-NOREV: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
; CHECK-NEOVERSE-V1-LABEL: @interleave(
; CHECK-NEOVERSE-V1: vector.body:
; CHECK-NEOVERSE-V1: %[[LOAD:.*]] = load <8 x float>, ptr
; CHECK-NEOVERSE-V1: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
; CHECK-NEOVERSE-V1: %{{.*}} = shufflevector <8 x float> %[[LOAD]], <8 x float> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
entry:
br label %for.body
for.body: ; preds = %entry, %for.body
%i.021 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%mul = shl nuw nsw i64 %i.021, 1
%arrayidx = getelementptr inbounds float, ptr %src, i64 %mul
%0 = load float, ptr %arrayidx, align 4
%mul1 = mul nuw nsw i64 %i.021, 3
%arrayidx2 = getelementptr inbounds float, ptr %dst, i64 %mul1
store float %0, ptr %arrayidx2, align 4
%add = or disjoint i64 %mul, 1
%arrayidx4 = getelementptr inbounds float, ptr %src, i64 %add
%1 = load float, ptr %arrayidx4, align 4
%add6 = add nuw nsw i64 %mul1, 1
%arrayidx7 = getelementptr inbounds float, ptr %dst, i64 %add6
store float %1, ptr %arrayidx7, align 4
%add9 = add nuw nsw i64 %mul1, 2
%arrayidx10 = getelementptr inbounds float, ptr %dst, i64 %add9
store float 3.000000e+00, ptr %arrayidx10, align 4
%inc = add nuw nsw i64 %i.021, 1
%exitcond.not = icmp eq i64 %inc, %n
br i1 %exitcond.not, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
define void @reverse(ptr noalias %dst, ptr noalias %src) #0 {
; CHECK-NOTF-LABEL: @reverse(
; CHECK-NOTF: vector.body:
; CHECK-NOTF-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-NOTF: %[[LOAD:.*]] = load <vscale x 2 x double>, ptr
; CHECK-NOTF: %{{.*}} = call <vscale x 2 x double> @llvm.vector.reverse.nxv2f64(<vscale x 2 x double> %[[LOAD]])
; CHECK-TF-NOREV-LABEL: @reverse(
; CHECK-TF-NOREV: vector.body:
; CHECK-TF-NOREV-NOT: %{{.*}} = phi <vscale x 4 x i1>
; CHECK-TF-NOREV: %[[LOAD:.*]] = load <vscale x 2 x double>, ptr
; CHECK-TF-NOREV: %{{.*}} = call <vscale x 2 x double> @llvm.vector.reverse.nxv2f64(<vscale x 2 x double> %[[LOAD]])
; CHECK-TF-LABEL: @reverse(
; CHECK-TF: vector.body:
; CHECK-TF: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 2 x i1>
; CHECK-TF: %[[REVERSE_MASK:.*]] = call <vscale x 2 x i1> @llvm.vector.reverse.nxv2i1(<vscale x 2 x i1> %[[ACTIVE_LANE_MASK]])
; CHECK-TF: %[[MASKED_LOAD:.*]] = call <vscale x 2 x double> @llvm.masked.load.nxv2f64.p0({{.*}} <vscale x 2 x i1> %reverse
; CHECK-TF-NORED-LABEL: @reverse(
; CHECK-TF-NORED: vector.body:
; CHECK-TF-NORED: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 2 x i1>
; CHECK-TF-NORED: %[[REVERSE_MASK:.*]] = call <vscale x 2 x i1> @llvm.vector.reverse.nxv2i1(<vscale x 2 x i1> %[[ACTIVE_LANE_MASK]])
; CHECK-TF-NORED: %[[MASKED_LOAD:.*]] = call <vscale x 2 x double> @llvm.masked.load.nxv2f64.p0({{.*}} <vscale x 2 x i1> %reverse
; CHECK-TF-NOREC-LABEL: @reverse(
; CHECK-TF-NOREC: vector.body:
; CHECK-TF-NOREC: %[[ACTIVE_LANE_MASK:.*]] = phi <vscale x 2 x i1>
; CHECK-TF-NOREC: %[[REVERSE_MASK:.*]] = call <vscale x 2 x i1> @llvm.vector.reverse.nxv2i1(<vscale x 2 x i1> %[[ACTIVE_LANE_MASK]])
; CHECK-TF-NOREC: %[[MASKED_LOAD:.*]] = call <vscale x 2 x double> @llvm.masked.load.nxv2f64.p0({{.*}} <vscale x 2 x i1> %reverse
entry:
br label %for.body
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ 1023, %entry ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds double, ptr %src, i64 %indvars.iv
%0 = load double, ptr %arrayidx, align 8
%add = fadd double %0, 1.000000e+00
%arrayidx2 = getelementptr inbounds double, ptr %dst, i64 %indvars.iv
store double %add, ptr %arrayidx2, align 8
%indvars.iv.next = add nsw i64 %indvars.iv, -1
%cmp.not = icmp eq i64 %indvars.iv, 0
br i1 %cmp.not, label %for.end, label %for.body
for.end: ; preds = %for.body
ret void
}
attributes #0 = { "target-features"="+sve" }
!0 = distinct !{!0, !1, !2, !3, !4}
!1 = !{!"llvm.loop.vectorize.width", i32 4}
!2 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}
!3 = !{!"llvm.loop.interleave.count", i32 1}
!4 = !{!"llvm.loop.vectorize.enable", i1 true}
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