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| ; RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve -enable-arm-maskedldst=true -disable-mve-tail-predication=false --verify-machineinstrs %s -o - | FileCheck %s
; CHECK-LABEL: vpsel_mul_reduce_add
; CHECK: dls lr, lr
; CHECK: [[LOOP:.LBB[0-9_]+]]:
; CHECK: vctp.32 [[ELEMS:r[0-9]+]]
; CHECK: mov [[ELEMS_OUT:r[0-9]+]], [[ELEMS]]
; CHECK: vstr p0, [sp
; CHECK: vpstt
; CHECK-NEXT: vldrwt.u32
; CHECK-NEXT: vldrwt.u32
; CHECK: vcmp.i32
; CHECK: vpsel
; CHECK: vldr p0, [sp
; CHECK: vpst
; CHECK-NEXT: vldrwt.u32 q{{.*}}, [r0]
; CHECK: sub{{.*}} [[ELEMS]], [[ELEMS_OUT]], #4
; CHECK: le lr, [[LOOP]]
; CHECK: vctp.32 [[ELEMS_OUT]]
; CHECK-NEXT: vpsel
; CHECK-NEXT: vaddv.u32
define dso_local i32 @vpsel_mul_reduce_add(i32* noalias nocapture readonly %a, i32* noalias nocapture readonly %b, i32* noalias nocapture readonly %c, i32 %N) {
entry:
%cmp8 = icmp eq i32 %N, 0
br i1 %cmp8, label %for.cond.cleanup, label %vector.ph
vector.ph: ; preds = %entry
%n.rnd.up = add i32 %N, 3
%n.vec = and i32 %n.rnd.up, -4
%trip.count.minus.1 = add i32 %N, -1
%broadcast.splatinsert11 = insertelement <4 x i32> undef, i32 %trip.count.minus.1, i32 0
%broadcast.splat12 = shufflevector <4 x i32> %broadcast.splatinsert11, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %add, %vector.body ]
%broadcast.splatinsert = insertelement <4 x i32> undef, i32 %index, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%induction = add <4 x i32> %broadcast.splat, <i32 0, i32 1, i32 2, i32 3>
%tmp = getelementptr inbounds i32, i32* %a, i32 %index
%tmp1 = icmp ule <4 x i32> %induction, %broadcast.splat12
%tmp2 = bitcast i32* %tmp to <4 x i32>*
%wide.masked.load.a = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp2, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%tmp3 = getelementptr inbounds i32, i32* %b, i32 %index
%tmp4 = bitcast i32* %tmp3 to <4 x i32>*
%wide.masked.load.b = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp4, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%tmp5 = getelementptr inbounds i32, i32* %c, i32 %index
%tmp6 = bitcast i32* %tmp5 to <4 x i32>*
%wide.masked.load.c = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp6, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%rem = urem i32 %index, 16
%rem.broadcast.splatinsert = insertelement <4 x i32> undef, i32 %rem, i32 0
%rem.broadcast.splat = shufflevector <4 x i32> %rem.broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%cmp = icmp eq <4 x i32> %rem.broadcast.splat, <i32 0, i32 0, i32 0, i32 0>
%wide.masked.load = select <4 x i1> %cmp, <4 x i32> %wide.masked.load.b, <4 x i32> %wide.masked.load.c
%mul = mul nsw <4 x i32> %wide.masked.load, %wide.masked.load.a
%add = add nsw <4 x i32> %mul, %vec.phi
%index.next = add i32 %index, 4
%tmp7 = icmp eq i32 %index.next, %n.vec
br i1 %tmp7, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%tmp8 = select <4 x i1> %tmp1, <4 x i32> %add, <4 x i32> %vec.phi
%tmp9 = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> %tmp8)
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %middle.block, %entry
%res.0.lcssa = phi i32 [ 0, %entry ], [ %tmp9, %middle.block ]
ret i32 %res.0.lcssa
}
; CHECK-LABEL: vpsel_mul_reduce_add_2
; CHECK: dls lr, lr
; CHECK: [[LOOP:.LBB[0-9_]+]]:
; CHECK: vctp.32 [[ELEMS:r[0-9]+]]
; CHECK: mov [[ELEMS_OUT:r[0-9]+]], [[ELEMS]]
; CHECK: vstr p0, [sp
; CHECK: vpstt
; CHECK-NEXT: vldrwt.u32
; CHECK-NEXT: vldrwt.u32
; CHECK; vsub
; CHECK: vpst
; CHECK-NEXT: vldrwt.u32
; CHECK: vcmp.i32
; CHECK: vpsel
; CHECK: vldr p0, [sp
; CHECK: vpst
; CHECK-NEXT: vldrwt.u32 q{{.*}}, [r0]
; CHECK: sub{{.*}} [[ELEMS]], [[ELEMS_OUT]], #4
; CHECK: le lr, [[LOOP]]
; CHECK: vctp.32 [[ELEMS_OUT]]
; CHECK-NEXT: vpsel
; CHECK-NEXT: vaddv.u32
define dso_local i32 @vpsel_mul_reduce_add_2(i32* noalias nocapture readonly %a, i32* noalias nocapture readonly %b,
i32* noalias nocapture readonly %c, i32* noalias nocapture readonly %d, i32 %N) {
entry:
%cmp8 = icmp eq i32 %N, 0
br i1 %cmp8, label %for.cond.cleanup, label %vector.ph
vector.ph: ; preds = %entry
%n.rnd.up = add i32 %N, 3
%n.vec = and i32 %n.rnd.up, -4
%trip.count.minus.1 = add i32 %N, -1
%broadcast.splatinsert11 = insertelement <4 x i32> undef, i32 %trip.count.minus.1, i32 0
%broadcast.splat12 = shufflevector <4 x i32> %broadcast.splatinsert11, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %add, %vector.body ]
%broadcast.splatinsert = insertelement <4 x i32> undef, i32 %index, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%induction = add <4 x i32> %broadcast.splat, <i32 0, i32 1, i32 2, i32 3>
%tmp = getelementptr inbounds i32, i32* %a, i32 %index
%tmp1 = icmp ule <4 x i32> %induction, %broadcast.splat12
%tmp2 = bitcast i32* %tmp to <4 x i32>*
%wide.masked.load.a = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp2, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%tmp3 = getelementptr inbounds i32, i32* %b, i32 %index
%tmp4 = bitcast i32* %tmp3 to <4 x i32>*
%wide.masked.load.b = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp4, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%tmp5 = getelementptr inbounds i32, i32* %c, i32 %index
%tmp6 = bitcast i32* %tmp5 to <4 x i32>*
%wide.masked.load.c = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp6, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%tmp7 = getelementptr inbounds i32, i32* %d, i32 %index
%tmp8 = bitcast i32* %tmp7 to <4 x i32>*
%wide.masked.load.d = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp8, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%sub = sub <4 x i32> %wide.masked.load.c, %wide.masked.load.d
%rem = urem i32 %index, 16
%rem.broadcast.splatinsert = insertelement <4 x i32> undef, i32 %rem, i32 0
%rem.broadcast.splat = shufflevector <4 x i32> %rem.broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%cmp = icmp eq <4 x i32> %rem.broadcast.splat, <i32 0, i32 0, i32 0, i32 0>
%sel = select <4 x i1> %cmp, <4 x i32> %sub, <4 x i32> %wide.masked.load.b
%mul = mul <4 x i32> %sel, %wide.masked.load.a
%add = add <4 x i32> %mul, %vec.phi
%index.next = add i32 %index, 4
%cmp.exit = icmp eq i32 %index.next, %n.vec
br i1 %cmp.exit, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%acc = select <4 x i1> %tmp1, <4 x i32> %add, <4 x i32> %vec.phi
%reduce = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> %acc)
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %middle.block, %entry
%res.0.lcssa = phi i32 [ 0, %entry ], [ %reduce, %middle.block ]
ret i32 %res.0.lcssa
}
; CHECK-LABEL: and_mul_reduce_add
; CHECK: dls lr, lr
; CHECK: [[LOOP:.LBB[0-9_]+]]:
; CHECK: vctp.32 [[ELEMS:r[0-9]+]]
; CHECK: vpstt
; CHECK-NEXT: vldrwt.u32
; CHECK-NEXT: vldrwt.u32
; CHECK: mov [[ELEMS_OUT:r[0-9]+]], [[ELEMS]]
; CHECK: vpsttt
; CHECK-NEXT: vcmpt.i32 eq, {{.*}}, zr
; CHECK-NEXT: vldrwt.u32 q{{.*}}, [r3]
; CHECK-NEXT: vldrwt.u32 q{{.*}}, [r2]
; CHECK: sub{{.*}} [[ELEMS]],{{.*}}#4
; CHECK: le lr, [[LOOP]]
; CHECK: vctp.32 [[ELEMS_OUT]]
; CHECK: vpsel
define dso_local i32 @and_mul_reduce_add(i32* noalias nocapture readonly %a, i32* noalias nocapture readonly %b,
i32* noalias nocapture readonly %c, i32* noalias nocapture readonly %d, i32 %N) {
entry:
%cmp8 = icmp eq i32 %N, 0
br i1 %cmp8, label %for.cond.cleanup, label %vector.ph
vector.ph: ; preds = %entry
%n.rnd.up = add i32 %N, 3
%n.vec = and i32 %n.rnd.up, -4
%trip.count.minus.1 = add i32 %N, -1
%broadcast.splatinsert11 = insertelement <4 x i32> undef, i32 %trip.count.minus.1, i32 0
%broadcast.splat12 = shufflevector <4 x i32> %broadcast.splatinsert11, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %add, %vector.body ]
%broadcast.splatinsert = insertelement <4 x i32> undef, i32 %index, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%induction = add <4 x i32> %broadcast.splat, <i32 0, i32 1, i32 2, i32 3>
%tmp = getelementptr inbounds i32, i32* %a, i32 %index
%tmp1 = icmp ule <4 x i32> %induction, %broadcast.splat12
%tmp2 = bitcast i32* %tmp to <4 x i32>*
%wide.masked.load.a = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp2, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%tmp3 = getelementptr inbounds i32, i32* %b, i32 %index
%tmp4 = bitcast i32* %tmp3 to <4 x i32>*
%wide.masked.load.b = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp4, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%sub = sub <4 x i32> %wide.masked.load.a, %wide.masked.load.b
%cmp = icmp eq <4 x i32> %sub, <i32 0, i32 0, i32 0, i32 0>
%mask = and <4 x i1> %cmp, %tmp1
%tmp5 = getelementptr inbounds i32, i32* %c, i32 %index
%tmp6 = bitcast i32* %tmp5 to <4 x i32>*
%wide.masked.load.c = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp6, i32 4, <4 x i1> %mask, <4 x i32> undef)
%tmp7 = getelementptr inbounds i32, i32* %d, i32 %index
%tmp8 = bitcast i32* %tmp7 to <4 x i32>*
%wide.masked.load.d = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp8, i32 4, <4 x i1> %mask, <4 x i32> undef)
%mul = mul <4 x i32> %wide.masked.load.c, %wide.masked.load.d
%add = add <4 x i32> %mul, %vec.phi
%index.next = add i32 %index, 4
%cmp.exit = icmp eq i32 %index.next, %n.vec
br i1 %cmp.exit, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%acc = select <4 x i1> %tmp1, <4 x i32> %add, <4 x i32> %vec.phi
%reduce = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> %acc)
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %middle.block, %entry
%res.0.lcssa = phi i32 [ 0, %entry ], [ %reduce, %middle.block ]
ret i32 %res.0.lcssa
}
; TODO: Why does p0 get reloaded from the stack into p0, just to be vmrs'd?
; CHECK-LABEL: or_mul_reduce_add
; CHECK: dls lr, lr
; CHECK: [[LOOP:.LBB[0-9_]+]]:
; CHECK: vctp.32 [[ELEMS:r[0-9]+]]
; CHECK: vstr p0, [sp
; CHECK: mov [[ELEMS_OUT:r[0-9]+]], [[ELEMS]]
; CHECK: vpstt
; CHECK-NEXT: vldrwt.u32
; CHECK-NEXT: vldrwt.u32
; CHECK: vcmp.i32 eq, {{.*}}, zr
; CHECK: vmrs [[VCMP:r[0-9]+]], p0
; CHECK: vldr p0, [sp
; CHECK: vmrs [[VCTP:r[0-9]+]], p0
; CHECK: orr{{.*}} [[VCMP]], [[VCTP]]
; CHECK: sub{{.*}} [[ELEMS:r[0-9]+]], [[ELEMS_OUT]], #4
; CHECK-NEXT: vmsr p0
; CHECK-NEXT: vpstt
; CHECK-NEXT: vldrwt.u32 q{{.*}}, [r3]
; CHECK-NEXT: vldrwt.u32 q{{.*}}, [r2]
; CHECK: le lr, [[LOOP]]
; CHECK: vctp.32 [[ELEMS_OUT]]
; CHECK: vpsel
define dso_local i32 @or_mul_reduce_add(i32* noalias nocapture readonly %a, i32* noalias nocapture readonly %b,
i32* noalias nocapture readonly %c, i32* noalias nocapture readonly %d, i32 %N) {
entry:
%cmp8 = icmp eq i32 %N, 0
br i1 %cmp8, label %for.cond.cleanup, label %vector.ph
vector.ph: ; preds = %entry
%n.rnd.up = add i32 %N, 3
%n.vec = and i32 %n.rnd.up, -4
%trip.count.minus.1 = add i32 %N, -1
%broadcast.splatinsert11 = insertelement <4 x i32> undef, i32 %trip.count.minus.1, i32 0
%broadcast.splat12 = shufflevector <4 x i32> %broadcast.splatinsert11, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %add, %vector.body ]
%broadcast.splatinsert = insertelement <4 x i32> undef, i32 %index, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%induction = add <4 x i32> %broadcast.splat, <i32 0, i32 1, i32 2, i32 3>
%tmp = getelementptr inbounds i32, i32* %a, i32 %index
%tmp1 = icmp ule <4 x i32> %induction, %broadcast.splat12
%tmp2 = bitcast i32* %tmp to <4 x i32>*
%wide.masked.load.a = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp2, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%tmp3 = getelementptr inbounds i32, i32* %b, i32 %index
%tmp4 = bitcast i32* %tmp3 to <4 x i32>*
%wide.masked.load.b = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp4, i32 4, <4 x i1> %tmp1, <4 x i32> undef)
%sub = sub <4 x i32> %wide.masked.load.a, %wide.masked.load.b
%cmp = icmp eq <4 x i32> %sub, <i32 0, i32 0, i32 0, i32 0>
%mask = or <4 x i1> %cmp, %tmp1
%tmp5 = getelementptr inbounds i32, i32* %c, i32 %index
%tmp6 = bitcast i32* %tmp5 to <4 x i32>*
%wide.masked.load.c = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp6, i32 4, <4 x i1> %mask, <4 x i32> undef)
%tmp7 = getelementptr inbounds i32, i32* %d, i32 %index
%tmp8 = bitcast i32* %tmp7 to <4 x i32>*
%wide.masked.load.d = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %tmp8, i32 4, <4 x i1> %mask, <4 x i32> undef)
%mul = mul <4 x i32> %wide.masked.load.c, %wide.masked.load.d
%add = add <4 x i32> %mul, %vec.phi
%index.next = add i32 %index, 4
%cmp.exit = icmp eq i32 %index.next, %n.vec
br i1 %cmp.exit, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%acc = select <4 x i1> %tmp1, <4 x i32> %add, <4 x i32> %vec.phi
%reduce = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> %acc)
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %middle.block, %entry
%res.0.lcssa = phi i32 [ 0, %entry ], [ %reduce, %middle.block ]
ret i32 %res.0.lcssa
}
; Function Attrs: argmemonly nounwind readonly willreturn
declare <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>*, i32 immarg, <4 x i1>, <4 x i32>)
; Function Attrs: nounwind readnone willreturn
declare i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32>)
|