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llvm-for-llvmta/test/CodeGen/Thumb2/LowOverheadLoops/fast-fp-loops.ll

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2022-04-25 10:02:23 +02:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve.fp,+fp-armv8d16sp,+fp16,+fullfp16 -tail-predication=enabled %s -o - | FileCheck %s
define arm_aapcs_vfpcc void @fast_float_mul(float* nocapture %a, float* nocapture readonly %b, float* nocapture readonly %c, i32 %N) {
; CHECK-LABEL: fast_float_mul:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: push {r4, r5, r6, r7, lr}
; CHECK-NEXT: cmp r3, #0
; CHECK-NEXT: beq.w .LBB0_11
; CHECK-NEXT: @ %bb.1: @ %vector.memcheck
; CHECK-NEXT: add.w r5, r0, r3, lsl #2
; CHECK-NEXT: add.w r4, r2, r3, lsl #2
; CHECK-NEXT: cmp r5, r2
; CHECK-NEXT: cset r12, hi
; CHECK-NEXT: cmp r4, r0
; CHECK-NEXT: cset lr, hi
; CHECK-NEXT: cmp r5, r1
; CHECK-NEXT: add.w r5, r1, r3, lsl #2
; CHECK-NEXT: cset r4, hi
; CHECK-NEXT: cmp r5, r0
; CHECK-NEXT: cset r5, hi
; CHECK-NEXT: ands r4, r5
; CHECK-NEXT: lsls r4, r4, #31
; CHECK-NEXT: itt eq
; CHECK-NEXT: andeq.w r5, lr, r12
; CHECK-NEXT: lslseq.w r5, r5, #31
; CHECK-NEXT: beq .LBB0_4
; CHECK-NEXT: @ %bb.2: @ %for.body.preheader
; CHECK-NEXT: subs r5, r3, #1
; CHECK-NEXT: and lr, r3, #3
; CHECK-NEXT: cmp r5, #3
; CHECK-NEXT: bhs .LBB0_6
; CHECK-NEXT: @ %bb.3:
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: b .LBB0_8
; CHECK-NEXT: .LBB0_4: @ %vector.ph
; CHECK-NEXT: mov.w r12, #0
; CHECK-NEXT: dlstp.32 lr, r3
; CHECK-NEXT: .LBB0_5: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: add.w r12, r12, #4
; CHECK-NEXT: vldrw.u32 q0, [r1], #16
; CHECK-NEXT: vldrw.u32 q1, [r2], #16
; CHECK-NEXT: vmul.f32 q0, q1, q0
; CHECK-NEXT: vstrw.32 q0, [r0], #16
; CHECK-NEXT: letp lr, .LBB0_5
; CHECK-NEXT: b .LBB0_11
; CHECK-NEXT: .LBB0_6: @ %for.body.preheader.new
; CHECK-NEXT: sub.w r12, r3, lr
; CHECK-NEXT: movs r4, #0
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: .LBB0_7: @ %for.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: adds r5, r1, r4
; CHECK-NEXT: adds r6, r2, r4
; CHECK-NEXT: adds r7, r0, r4
; CHECK-NEXT: adds r3, #4
; CHECK-NEXT: vldr s0, [r5]
; CHECK-NEXT: adds r4, #16
; CHECK-NEXT: vldr s2, [r6]
; CHECK-NEXT: cmp r12, r3
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r7]
; CHECK-NEXT: vldr s0, [r5, #4]
; CHECK-NEXT: vldr s2, [r6, #4]
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r7, #4]
; CHECK-NEXT: vldr s0, [r5, #8]
; CHECK-NEXT: vldr s2, [r6, #8]
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r7, #8]
; CHECK-NEXT: vldr s0, [r5, #12]
; CHECK-NEXT: vldr s2, [r6, #12]
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r7, #12]
; CHECK-NEXT: bne .LBB0_7
; CHECK-NEXT: .LBB0_8: @ %for.cond.cleanup.loopexit.unr-lcssa
; CHECK-NEXT: wls lr, lr, .LBB0_11
; CHECK-NEXT: @ %bb.9: @ %for.body.epil.preheader
; CHECK-NEXT: add.w r1, r1, r3, lsl #2
; CHECK-NEXT: add.w r2, r2, r3, lsl #2
; CHECK-NEXT: add.w r0, r0, r3, lsl #2
; CHECK-NEXT: .LBB0_10: @ %for.body.epil
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldr s0, [r1]
; CHECK-NEXT: adds r1, #4
; CHECK-NEXT: vldr s2, [r2]
; CHECK-NEXT: adds r2, #4
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r0]
; CHECK-NEXT: adds r0, #4
; CHECK-NEXT: le lr, .LBB0_10
; CHECK-NEXT: .LBB0_11: @ %for.cond.cleanup
; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
entry:
%cmp8 = icmp eq i32 %N, 0
br i1 %cmp8, label %for.cond.cleanup, label %vector.memcheck
vector.memcheck: ; preds = %entry
%scevgep = getelementptr float, float* %a, i32 %N
%scevgep13 = getelementptr float, float* %b, i32 %N
%scevgep16 = getelementptr float, float* %c, i32 %N
%bound0 = icmp ugt float* %scevgep13, %a
%bound1 = icmp ugt float* %scevgep, %b
%found.conflict = and i1 %bound0, %bound1
%bound018 = icmp ugt float* %scevgep16, %a
%bound119 = icmp ugt float* %scevgep, %c
%found.conflict20 = and i1 %bound018, %bound119
%conflict.rdx = or i1 %found.conflict, %found.conflict20
br i1 %conflict.rdx, label %for.body.preheader, label %vector.ph
for.body.preheader: ; preds = %vector.memcheck
%0 = add i32 %N, -1
%xtraiter = and i32 %N, 3
%1 = icmp ult i32 %0, 3
br i1 %1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new: ; preds = %for.body.preheader
%unroll_iter = sub i32 %N, %xtraiter
br label %for.body
vector.ph: ; preds = %vector.memcheck
%n.rnd.up = add i32 %N, 3
%n.vec = and i32 %n.rnd.up, -4
%trip.count.minus.1 = add i32 %N, -1
%broadcast.splatinsert21 = insertelement <4 x i32> undef, i32 %trip.count.minus.1, i32 0
%broadcast.splat22 = shufflevector <4 x i32> %broadcast.splatinsert21, <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 ]
%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>
%2 = getelementptr inbounds float, float* %b, i32 %index
; %3 = icmp ule <4 x i32> %induction, %broadcast.splat22
%3 = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %index, i32 %N)
%4 = bitcast float* %2 to <4 x float>*
%wide.masked.load = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %4, i32 4, <4 x i1> %3, <4 x float> undef)
%5 = getelementptr inbounds float, float* %c, i32 %index
%6 = bitcast float* %5 to <4 x float>*
%wide.masked.load23 = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %6, i32 4, <4 x i1> %3, <4 x float> undef)
%7 = fmul fast <4 x float> %wide.masked.load23, %wide.masked.load
%8 = getelementptr inbounds float, float* %a, i32 %index
%9 = bitcast float* %8 to <4 x float>*
call void @llvm.masked.store.v4f32.p0v4f32(<4 x float> %7, <4 x float>* %9, i32 4, <4 x i1> %3)
%index.next = add i32 %index, 4
%10 = icmp eq i32 %index.next, %n.vec
br i1 %10, label %for.cond.cleanup, label %vector.body
for.cond.cleanup.loopexit.unr-lcssa: ; preds = %for.body, %for.body.preheader
%i.09.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil
for.body.epil: ; preds = %for.cond.cleanup.loopexit.unr-lcssa, %for.body.epil
%i.09.epil = phi i32 [ %inc.epil, %for.body.epil ], [ %i.09.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body.epil ], [ %xtraiter, %for.cond.cleanup.loopexit.unr-lcssa ]
%arrayidx.epil = getelementptr inbounds float, float* %b, i32 %i.09.epil
%11 = load float, float* %arrayidx.epil, align 4
%arrayidx1.epil = getelementptr inbounds float, float* %c, i32 %i.09.epil
%12 = load float, float* %arrayidx1.epil, align 4
%mul.epil = fmul fast float %12, %11
%arrayidx2.epil = getelementptr inbounds float, float* %a, i32 %i.09.epil
store float %mul.epil, float* %arrayidx2.epil, align 4
%inc.epil = add nuw i32 %i.09.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup: ; preds = %vector.body, %for.cond.cleanup.loopexit.unr-lcssa, %for.body.epil, %entry
ret void
for.body: ; preds = %for.body, %for.body.preheader.new
%i.09 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%niter = phi i32 [ %unroll_iter, %for.body.preheader.new ], [ %niter.nsub.3, %for.body ]
%arrayidx = getelementptr inbounds float, float* %b, i32 %i.09
%13 = load float, float* %arrayidx, align 4
%arrayidx1 = getelementptr inbounds float, float* %c, i32 %i.09
%14 = load float, float* %arrayidx1, align 4
%mul = fmul fast float %14, %13
%arrayidx2 = getelementptr inbounds float, float* %a, i32 %i.09
store float %mul, float* %arrayidx2, align 4
%inc = or i32 %i.09, 1
%arrayidx.1 = getelementptr inbounds float, float* %b, i32 %inc
%15 = load float, float* %arrayidx.1, align 4
%arrayidx1.1 = getelementptr inbounds float, float* %c, i32 %inc
%16 = load float, float* %arrayidx1.1, align 4
%mul.1 = fmul fast float %16, %15
%arrayidx2.1 = getelementptr inbounds float, float* %a, i32 %inc
store float %mul.1, float* %arrayidx2.1, align 4
%inc.1 = or i32 %i.09, 2
%arrayidx.2 = getelementptr inbounds float, float* %b, i32 %inc.1
%17 = load float, float* %arrayidx.2, align 4
%arrayidx1.2 = getelementptr inbounds float, float* %c, i32 %inc.1
%18 = load float, float* %arrayidx1.2, align 4
%mul.2 = fmul fast float %18, %17
%arrayidx2.2 = getelementptr inbounds float, float* %a, i32 %inc.1
store float %mul.2, float* %arrayidx2.2, align 4
%inc.2 = or i32 %i.09, 3
%arrayidx.3 = getelementptr inbounds float, float* %b, i32 %inc.2
%19 = load float, float* %arrayidx.3, align 4
%arrayidx1.3 = getelementptr inbounds float, float* %c, i32 %inc.2
%20 = load float, float* %arrayidx1.3, align 4
%mul.3 = fmul fast float %20, %19
%arrayidx2.3 = getelementptr inbounds float, float* %a, i32 %inc.2
store float %mul.3, float* %arrayidx2.3, align 4
%inc.3 = add nuw i32 %i.09, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}
define arm_aapcs_vfpcc float @fast_float_mac(float* nocapture readonly %b, float* nocapture readonly %c, i32 %N) {
; CHECK-LABEL: fast_float_mac:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: cbz r2, .LBB1_4
; CHECK-NEXT: @ %bb.1: @ %vector.ph
; CHECK-NEXT: adds r3, r2, #3
; CHECK-NEXT: mov.w r12, #1
; CHECK-NEXT: bic r3, r3, #3
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: subs r3, #4
; CHECK-NEXT: add.w lr, r12, r3, lsr #2
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: dls lr, lr
; CHECK-NEXT: .LBB1_2: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vctp.32 r2
; CHECK-NEXT: adds r3, #4
; CHECK-NEXT: subs r2, #4
; CHECK-NEXT: vmov q1, q0
; CHECK-NEXT: vpstt
; CHECK-NEXT: vldrwt.u32 q2, [r0], #16
; CHECK-NEXT: vldrwt.u32 q3, [r1], #16
; CHECK-NEXT: vfma.f32 q0, q3, q2
; CHECK-NEXT: le lr, .LBB1_2
; CHECK-NEXT: @ %bb.3: @ %middle.block
; CHECK-NEXT: vpsel q0, q0, q1
; CHECK-NEXT: vmov.f32 s4, s2
; CHECK-NEXT: vmov.f32 s5, s3
; CHECK-NEXT: vadd.f32 q0, q0, q1
; CHECK-NEXT: vmov r0, s1
; CHECK-NEXT: vadd.f32 q0, q0, r0
; CHECK-NEXT: @ kill: def $s0 killed $s0 killed $q0
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .LBB1_4:
; CHECK-NEXT: vldr s0, .LCPI1_0
; CHECK-NEXT: @ kill: def $s0 killed $s0 killed $q0
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: @ %bb.5:
; CHECK-NEXT: .LCPI1_0:
; CHECK-NEXT: .long 0x00000000 @ float 0
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 float> [ zeroinitializer, %vector.ph ], [ %6, %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>
%0 = getelementptr inbounds float, float* %b, i32 %index
; %1 = icmp ule <4 x i32> %induction, %broadcast.splat12
%1 = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %index, i32 %N)
%2 = bitcast float* %0 to <4 x float>*
%wide.masked.load = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %2, i32 4, <4 x i1> %1, <4 x float> undef)
%3 = getelementptr inbounds float, float* %c, i32 %index
%4 = bitcast float* %3 to <4 x float>*
%wide.masked.load13 = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %4, i32 4, <4 x i1> %1, <4 x float> undef)
%5 = fmul fast <4 x float> %wide.masked.load13, %wide.masked.load
%6 = fadd fast <4 x float> %5, %vec.phi
%index.next = add i32 %index, 4
%7 = icmp eq i32 %index.next, %n.vec
br i1 %7, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%8 = select <4 x i1> %1, <4 x float> %6, <4 x float> %vec.phi
%rdx.shuf = shufflevector <4 x float> %8, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
%bin.rdx = fadd fast <4 x float> %8, %rdx.shuf
%rdx.shuf14 = shufflevector <4 x float> %bin.rdx, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx15 = fadd fast <4 x float> %bin.rdx, %rdx.shuf14
%9 = extractelement <4 x float> %bin.rdx15, i32 0
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %middle.block, %entry
%a.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %9, %middle.block ]
ret float %a.0.lcssa
}
define arm_aapcs_vfpcc float @fast_float_half_mac(half* nocapture readonly %b, half* nocapture readonly %c, i32 %N) {
; CHECK-LABEL: fast_float_half_mac:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: push {r4, r5, r7, lr}
; CHECK-NEXT: vpush {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: sub sp, #32
; CHECK-NEXT: cmp r2, #0
; CHECK-NEXT: beq.w .LBB2_22
; CHECK-NEXT: @ %bb.1: @ %vector.ph
; CHECK-NEXT: adds r3, r2, #3
; CHECK-NEXT: vmov.i32 q5, #0x0
; CHECK-NEXT: bic r3, r3, #3
; CHECK-NEXT: sub.w r12, r3, #4
; CHECK-NEXT: movs r3, #1
; CHECK-NEXT: add.w lr, r3, r12, lsr #2
; CHECK-NEXT: sub.w r12, r2, #1
; CHECK-NEXT: adr r2, .LCPI2_1
; CHECK-NEXT: mov lr, lr
; CHECK-NEXT: vldrw.u32 q0, [r2]
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: vdup.32 q1, r12
; CHECK-NEXT: vdup.32 q2, r12
; CHECK-NEXT: vstrw.32 q0, [sp] @ 16-byte Spill
; CHECK-NEXT: b .LBB2_4
; CHECK-NEXT: .LBB2_2: @ %cond.load25
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmovx.f16 s0, s28
; CHECK-NEXT: vmov r4, s28
; CHECK-NEXT: vmov r2, s0
; CHECK-NEXT: vmov.16 q6[0], r4
; CHECK-NEXT: vldr.16 s0, [r1, #6]
; CHECK-NEXT: vmov.16 q6[1], r2
; CHECK-NEXT: vmov r2, s29
; CHECK-NEXT: vmov.16 q6[2], r2
; CHECK-NEXT: vmov r2, s0
; CHECK-NEXT: vmov.16 q6[3], r2
; CHECK-NEXT: .LBB2_3: @ %else26
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmul.f16 q0, q6, q5
; CHECK-NEXT: adds r0, #8
; CHECK-NEXT: vcvtt.f32.f16 s23, s1
; CHECK-NEXT: adds r1, #8
; CHECK-NEXT: vcvtb.f32.f16 s22, s1
; CHECK-NEXT: adds r3, #4
; CHECK-NEXT: vcvtt.f32.f16 s21, s0
; CHECK-NEXT: vcvtb.f32.f16 s20, s0
; CHECK-NEXT: vadd.f32 q5, q3, q5
; CHECK-NEXT: subs.w lr, lr, #1
; CHECK-NEXT: bne .LBB2_4
; CHECK-NEXT: b .LBB2_21
; CHECK-NEXT: .LBB2_4: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q0, [sp] @ 16-byte Reload
; CHECK-NEXT: vmov q3, q5
; CHECK-NEXT: @ implicit-def: $q6
; CHECK-NEXT: vadd.i32 q4, q0, r3
; CHECK-NEXT: vcmp.u32 cs, q1, q4
; CHECK-NEXT: vmrs r4, p0
; CHECK-NEXT: and r2, r4, #1
; CHECK-NEXT: rsbs r5, r2, #0
; CHECK-NEXT: movs r2, #0
; CHECK-NEXT: bfi r2, r5, #0, #1
; CHECK-NEXT: ubfx r5, r4, #4, #1
; CHECK-NEXT: rsbs r5, r5, #0
; CHECK-NEXT: bfi r2, r5, #1, #1
; CHECK-NEXT: ubfx r5, r4, #8, #1
; CHECK-NEXT: ubfx r4, r4, #12, #1
; CHECK-NEXT: rsbs r5, r5, #0
; CHECK-NEXT: bfi r2, r5, #2, #1
; CHECK-NEXT: rsbs r4, r4, #0
; CHECK-NEXT: bfi r2, r4, #3, #1
; CHECK-NEXT: lsls r4, r2, #31
; CHECK-NEXT: bne .LBB2_9
; CHECK-NEXT: @ %bb.5: @ %else
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: lsls r4, r2, #30
; CHECK-NEXT: bpl .LBB2_10
; CHECK-NEXT: .LBB2_6: @ %cond.load6
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vldr.16 s20, [r0, #2]
; CHECK-NEXT: vmov r5, s24
; CHECK-NEXT: vmovx.f16 s24, s25
; CHECK-NEXT: vmov r4, s20
; CHECK-NEXT: vmov.16 q5[0], r5
; CHECK-NEXT: vmov.16 q5[1], r4
; CHECK-NEXT: vmov r4, s25
; CHECK-NEXT: vmov.16 q5[2], r4
; CHECK-NEXT: vmov r4, s24
; CHECK-NEXT: vmov.16 q5[3], r4
; CHECK-NEXT: lsls r4, r2, #29
; CHECK-NEXT: bmi .LBB2_11
; CHECK-NEXT: .LBB2_7: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q6, q5
; CHECK-NEXT: lsls r2, r2, #28
; CHECK-NEXT: bmi .LBB2_12
; CHECK-NEXT: .LBB2_8: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q5, q6
; CHECK-NEXT: b .LBB2_13
; CHECK-NEXT: .LBB2_9: @ %cond.load
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vldr.16 s24, [r0]
; CHECK-NEXT: lsls r4, r2, #30
; CHECK-NEXT: bmi .LBB2_6
; CHECK-NEXT: .LBB2_10: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q5, q6
; CHECK-NEXT: lsls r4, r2, #29
; CHECK-NEXT: bpl .LBB2_7
; CHECK-NEXT: .LBB2_11: @ %cond.load9
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmovx.f16 s24, s20
; CHECK-NEXT: vmov r4, s20
; CHECK-NEXT: vldr.16 s28, [r0, #4]
; CHECK-NEXT: vmov r5, s24
; CHECK-NEXT: vmov.16 q6[0], r4
; CHECK-NEXT: vmovx.f16 s20, s21
; CHECK-NEXT: vmov.16 q6[1], r5
; CHECK-NEXT: vmov r4, s28
; CHECK-NEXT: vmov.16 q6[2], r4
; CHECK-NEXT: vmov r4, s20
; CHECK-NEXT: vmov.16 q6[3], r4
; CHECK-NEXT: lsls r2, r2, #28
; CHECK-NEXT: bpl .LBB2_8
; CHECK-NEXT: .LBB2_12: @ %cond.load12
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmovx.f16 s20, s24
; CHECK-NEXT: vmov r4, s24
; CHECK-NEXT: vmov r2, s20
; CHECK-NEXT: vmov.16 q5[0], r4
; CHECK-NEXT: vmov.16 q5[1], r2
; CHECK-NEXT: vmov r2, s25
; CHECK-NEXT: vldr.16 s24, [r0, #6]
; CHECK-NEXT: vmov.16 q5[2], r2
; CHECK-NEXT: vmov r2, s24
; CHECK-NEXT: vmov.16 q5[3], r2
; CHECK-NEXT: .LBB2_13: @ %else13
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vcmp.u32 cs, q2, q4
; CHECK-NEXT: @ implicit-def: $q7
; CHECK-NEXT: vmrs r4, p0
; CHECK-NEXT: and r2, r4, #1
; CHECK-NEXT: rsbs r5, r2, #0
; CHECK-NEXT: movs r2, #0
; CHECK-NEXT: bfi r2, r5, #0, #1
; CHECK-NEXT: ubfx r5, r4, #4, #1
; CHECK-NEXT: rsbs r5, r5, #0
; CHECK-NEXT: bfi r2, r5, #1, #1
; CHECK-NEXT: ubfx r5, r4, #8, #1
; CHECK-NEXT: ubfx r4, r4, #12, #1
; CHECK-NEXT: rsbs r5, r5, #0
; CHECK-NEXT: bfi r2, r5, #2, #1
; CHECK-NEXT: rsbs r4, r4, #0
; CHECK-NEXT: bfi r2, r4, #3, #1
; CHECK-NEXT: lsls r4, r2, #31
; CHECK-NEXT: bne .LBB2_17
; CHECK-NEXT: @ %bb.14: @ %else17
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: lsls r4, r2, #30
; CHECK-NEXT: bpl .LBB2_18
; CHECK-NEXT: .LBB2_15: @ %cond.load19
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vldr.16 s24, [r1, #2]
; CHECK-NEXT: vmov r5, s28
; CHECK-NEXT: vmovx.f16 s28, s29
; CHECK-NEXT: vmov r4, s24
; CHECK-NEXT: vmov.16 q6[0], r5
; CHECK-NEXT: vmov.16 q6[1], r4
; CHECK-NEXT: vmov r4, s29
; CHECK-NEXT: vmov.16 q6[2], r4
; CHECK-NEXT: vmov r4, s28
; CHECK-NEXT: vmov.16 q6[3], r4
; CHECK-NEXT: lsls r4, r2, #29
; CHECK-NEXT: bmi .LBB2_19
; CHECK-NEXT: .LBB2_16: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q7, q6
; CHECK-NEXT: lsls r2, r2, #28
; CHECK-NEXT: bmi.w .LBB2_2
; CHECK-NEXT: b .LBB2_20
; CHECK-NEXT: .LBB2_17: @ %cond.load16
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vldr.16 s28, [r1]
; CHECK-NEXT: lsls r4, r2, #30
; CHECK-NEXT: bmi .LBB2_15
; CHECK-NEXT: .LBB2_18: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q6, q7
; CHECK-NEXT: lsls r4, r2, #29
; CHECK-NEXT: bpl .LBB2_16
; CHECK-NEXT: .LBB2_19: @ %cond.load22
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmovx.f16 s28, s24
; CHECK-NEXT: vmov r4, s24
; CHECK-NEXT: vldr.16 s0, [r1, #4]
; CHECK-NEXT: vmov r5, s28
; CHECK-NEXT: vmov.16 q7[0], r4
; CHECK-NEXT: vmov r4, s0
; CHECK-NEXT: vmov.16 q7[1], r5
; CHECK-NEXT: vmovx.f16 s0, s25
; CHECK-NEXT: vmov.16 q7[2], r4
; CHECK-NEXT: vmov r4, s0
; CHECK-NEXT: vmov.16 q7[3], r4
; CHECK-NEXT: lsls r2, r2, #28
; CHECK-NEXT: bmi.w .LBB2_2
; CHECK-NEXT: .LBB2_20: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q6, q7
; CHECK-NEXT: b .LBB2_3
; CHECK-NEXT: .LBB2_21: @ %middle.block
; CHECK-NEXT: vdup.32 q0, r12
; CHECK-NEXT: vcmp.u32 cs, q0, q4
; CHECK-NEXT: vpsel q0, q5, q3
; CHECK-NEXT: vmov.f32 s4, s2
; CHECK-NEXT: vmov.f32 s5, s3
; CHECK-NEXT: vadd.f32 q0, q0, q1
; CHECK-NEXT: vmov r0, s1
; CHECK-NEXT: vadd.f32 q0, q0, r0
; CHECK-NEXT: b .LBB2_23
; CHECK-NEXT: .LBB2_22:
; CHECK-NEXT: vldr s0, .LCPI2_0
; CHECK-NEXT: .LBB2_23: @ %for.cond.cleanup
; CHECK-NEXT: @ kill: def $s0 killed $s0 killed $q0
; CHECK-NEXT: add sp, #32
; CHECK-NEXT: vpop {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: pop {r4, r5, r7, pc}
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: @ %bb.24:
; CHECK-NEXT: .LCPI2_1:
; CHECK-NEXT: .long 0 @ 0x0
; CHECK-NEXT: .long 1 @ 0x1
; CHECK-NEXT: .long 2 @ 0x2
; CHECK-NEXT: .long 3 @ 0x3
; CHECK-NEXT: .LCPI2_0:
; CHECK-NEXT: .long 0x00000000 @ float 0
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 float> [ zeroinitializer, %vector.ph ], [ %7, %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>
%0 = getelementptr inbounds half, half* %b, i32 %index
%1 = icmp ule <4 x i32> %induction, %broadcast.splat12
%2 = bitcast half* %0 to <4 x half>*
%wide.masked.load = call <4 x half> @llvm.masked.load.v4f16.p0v4f16(<4 x half>* %2, i32 2, <4 x i1> %1, <4 x half> undef)
%3 = getelementptr inbounds half, half* %c, i32 %index
%4 = bitcast half* %3 to <4 x half>*
%wide.masked.load13 = call <4 x half> @llvm.masked.load.v4f16.p0v4f16(<4 x half>* %4, i32 2, <4 x i1> %1, <4 x half> undef)
%5 = fmul fast <4 x half> %wide.masked.load13, %wide.masked.load
%6 = fpext <4 x half> %5 to <4 x float>
%7 = fadd fast <4 x float> %vec.phi, %6
%index.next = add i32 %index, 4
%8 = icmp eq i32 %index.next, %n.vec
br i1 %8, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%9 = select <4 x i1> %1, <4 x float> %7, <4 x float> %vec.phi
%rdx.shuf = shufflevector <4 x float> %9, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
%bin.rdx = fadd fast <4 x float> %9, %rdx.shuf
%rdx.shuf14 = shufflevector <4 x float> %bin.rdx, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx15 = fadd fast <4 x float> %bin.rdx, %rdx.shuf14
%10 = extractelement <4 x float> %bin.rdx15, i32 0
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %middle.block, %entry
%a.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %10, %middle.block ]
ret float %a.0.lcssa
}
; Function Attrs: argmemonly nounwind readonly willreturn
declare <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>*, i32 immarg, <4 x i1>, <4 x float>)
; Function Attrs: argmemonly nounwind willreturn
declare void @llvm.masked.store.v4f32.p0v4f32(<4 x float>, <4 x float>*, i32 immarg, <4 x i1>)
; Function Attrs: argmemonly nounwind readonly willreturn
declare <4 x half> @llvm.masked.load.v4f16.p0v4f16(<4 x half>*, i32 immarg, <4 x i1>, <4 x half>)
declare <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32, i32)