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aarch64-matrix-umull-smull.ll
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aarch64-matrix-umull-smull.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-none-linux-gnu < %s -o -| FileCheck %s
define void @matrix_mul_unsigned(i32 %N, i32* nocapture %C, i16* nocapture readonly %A, i16 %val) {
; CHECK-LABEL: matrix_mul_unsigned:
; CHECK: // %bb.0: // %vector.header
; CHECK-NEXT: and w8, w3, #0xffff
; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0
; CHECK-NEXT: dup v0.4h, w8
; CHECK-NEXT: and x8, x0, #0xfffffff8
; CHECK-NEXT: .LBB0_1: // %vector.body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: add x9, x2, w0, uxtw #1
; CHECK-NEXT: subs x8, x8, #8
; CHECK-NEXT: ldp d1, d2, [x9]
; CHECK-NEXT: add x9, x1, w0, uxtw #2
; CHECK-NEXT: add w0, w0, #8
; CHECK-NEXT: umull v1.4s, v0.4h, v1.4h
; CHECK-NEXT: umull v2.4s, v0.4h, v2.4h
; CHECK-NEXT: stp q1, q2, [x9]
; CHECK-NEXT: b.ne .LBB0_1
; CHECK-NEXT: // %bb.2: // %for.end12
; CHECK-NEXT: ret
vector.header:
%conv4 = zext i16 %val to i32
%wide.trip.count = zext i32 %N to i64
%0 = add nsw i64 %wide.trip.count, -1
%min.iters.check = icmp ult i32 %N, 8
%1 = trunc i64 %0 to i32
%2 = icmp ugt i64 %0, 4294967295
%n.vec = and i64 %wide.trip.count, 4294967288
%broadcast.splatinsert = insertelement <4 x i32> undef, i32 %conv4, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%broadcast.splatinsert31 = insertelement <4 x i32> undef, i32 %conv4, i32 0
%broadcast.splat32 = shufflevector <4 x i32> %broadcast.splatinsert31, <4 x i32> undef, <4 x i32> zeroinitializer
%cmp.n = icmp eq i64 %n.vec, %wide.trip.count
br label %vector.body
vector.body: ; preds = %vector.header, %vector.body
%index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.header ]
%3 = trunc i64 %index to i32
%4 = add i32 %N, %3
%5 = zext i32 %4 to i64
%6 = getelementptr inbounds i16, i16* %A, i64 %5
%7 = bitcast i16* %6 to <4 x i16>*
%wide.load = load <4 x i16>, <4 x i16>* %7, align 2
%8 = getelementptr inbounds i16, i16* %6, i64 4
%9 = bitcast i16* %8 to <4 x i16>*
%wide.load30 = load <4 x i16>, <4 x i16>* %9, align 2
%10 = zext <4 x i16> %wide.load to <4 x i32>
%11 = zext <4 x i16> %wide.load30 to <4 x i32>
%12 = mul nuw nsw <4 x i32> %broadcast.splat, %10
%13 = mul nuw nsw <4 x i32> %broadcast.splat32, %11
%14 = getelementptr inbounds i32, i32* %C, i64 %5
%15 = bitcast i32* %14 to <4 x i32>*
store <4 x i32> %12, <4 x i32>* %15, align 4
%16 = getelementptr inbounds i32, i32* %14, i64 4
%17 = bitcast i32* %16 to <4 x i32>*
store <4 x i32> %13, <4 x i32>* %17, align 4
%index.next = add i64 %index, 8
%18 = icmp eq i64 %index.next, %n.vec
br i1 %18, label %for.end12, label %vector.body
for.end12: ; preds = %vector.body
ret void
}
define void @matrix_mul_signed(i32 %N, i32* nocapture %C, i16* nocapture readonly %A, i16 %val) {
; CHECK-LABEL: matrix_mul_signed:
; CHECK: // %bb.0: // %vector.header
; CHECK-NEXT: sxth w8, w3
; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0
; CHECK-NEXT: dup v0.4h, w8
; CHECK-NEXT: and x8, x0, #0xfffffff8
; CHECK-NEXT: .LBB1_1: // %vector.body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: add x9, x2, w0, sxtw #1
; CHECK-NEXT: subs x8, x8, #8
; CHECK-NEXT: ldp d1, d2, [x9]
; CHECK-NEXT: add x9, x1, w0, sxtw #2
; CHECK-NEXT: add w0, w0, #8
; CHECK-NEXT: smull v1.4s, v0.4h, v1.4h
; CHECK-NEXT: smull v2.4s, v0.4h, v2.4h
; CHECK-NEXT: stp q1, q2, [x9]
; CHECK-NEXT: b.ne .LBB1_1
; CHECK-NEXT: // %bb.2: // %for.end12
; CHECK-NEXT: ret
vector.header:
%conv4 = sext i16 %val to i32
%wide.trip.count = sext i32 %N to i64
%0 = add nsw i64 %wide.trip.count, -1
%min.iters.check = icmp ult i32 %N, 8
%1 = trunc i64 %0 to i32
%2 = icmp ugt i64 %0, 4294967295
%n.vec = and i64 %wide.trip.count, 4294967288
%broadcast.splatinsert = insertelement <4 x i32> undef, i32 %conv4, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%broadcast.splatinsert31 = insertelement <4 x i32> undef, i32 %conv4, i32 0
%broadcast.splat32 = shufflevector <4 x i32> %broadcast.splatinsert31, <4 x i32> undef, <4 x i32> zeroinitializer
%cmp.n = icmp eq i64 %n.vec, %wide.trip.count
br label %vector.body
vector.body: ; preds = %vector.header, %vector.body
%index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.header ]
%3 = trunc i64 %index to i32
%4 = add i32 %N, %3
%5 = sext i32 %4 to i64
%6 = getelementptr inbounds i16, i16* %A, i64 %5
%7 = bitcast i16* %6 to <4 x i16>*
%wide.load = load <4 x i16>, <4 x i16>* %7, align 2
%8 = getelementptr inbounds i16, i16* %6, i64 4
%9 = bitcast i16* %8 to <4 x i16>*
%wide.load30 = load <4 x i16>, <4 x i16>* %9, align 2
%10 = sext <4 x i16> %wide.load to <4 x i32>
%11 = sext <4 x i16> %wide.load30 to <4 x i32>
%12 = mul nsw <4 x i32> %broadcast.splat, %10
%13 = mul nsw <4 x i32> %broadcast.splat32, %11
%14 = getelementptr inbounds i32, i32* %C, i64 %5
%15 = bitcast i32* %14 to <4 x i32>*
store <4 x i32> %12, <4 x i32>* %15, align 4
%16 = getelementptr inbounds i32, i32* %14, i64 4
%17 = bitcast i32* %16 to <4 x i32>*
store <4 x i32> %13, <4 x i32>* %17, align 4
%index.next = add i64 %index, 8
%18 = icmp eq i64 %index.next, %n.vec
br i1 %18, label %for.end12, label %vector.body
for.end12: ; preds = %vector.body
ret void
}
define void @matrix_mul_double_shuffle(i32 %N, i32* nocapture %C, i16* nocapture readonly %A, i16 %val) {
; CHECK-LABEL: matrix_mul_double_shuffle:
; CHECK: // %bb.0: // %vector.header
; CHECK-NEXT: and w8, w3, #0xffff
; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0
; CHECK-NEXT: dup v0.4h, w8
; CHECK-NEXT: and x8, x0, #0xfffffff8
; CHECK-NEXT: .LBB2_1: // %vector.body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrh w9, [x2], #16
; CHECK-NEXT: subs x8, x8, #8
; CHECK-NEXT: dup v1.4h, w9
; CHECK-NEXT: mov w9, w0
; CHECK-NEXT: lsl x9, x9, #2
; CHECK-NEXT: add w0, w0, #8
; CHECK-NEXT: umull v1.4s, v0.4h, v1.4h
; CHECK-NEXT: str q1, [x1, x9]
; CHECK-NEXT: b.ne .LBB2_1
; CHECK-NEXT: // %bb.2: // %for.end12
; CHECK-NEXT: ret
vector.header:
%conv4 = zext i16 %val to i32
%wide.trip.count = zext i32 %N to i64
%0 = add nsw i64 %wide.trip.count, -1
%min.iters.check = icmp ult i32 %N, 8
%1 = trunc i64 %0 to i32
%2 = icmp ugt i64 %0, 4294967295
%n.vec = and i64 %wide.trip.count, 4294967288
%broadcast.splatinsert = insertelement <4 x i32> undef, i32 %conv4, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%cmp.n = icmp eq i64 %n.vec, %wide.trip.count
br label %vector.body
vector.body: ; preds = %vector.header, %vector.body
%index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.header ]
%g = getelementptr inbounds i16, i16* %A, i64 %index
%val1 = load i16, i16* %g
%splat.input.ext = zext i16 %val1 to i32
%broadcast.splatinsert31 = insertelement <4 x i32> undef, i32 %splat.input.ext, i32 0
%broadcast.splat32 = shufflevector <4 x i32> %broadcast.splatinsert31, <4 x i32> %broadcast.splat, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
%3 = trunc i64 %index to i32
%4 = add i32 %N, %3
%5 = zext i32 %4 to i64
%6 = mul nuw nsw <4 x i32> %broadcast.splat, %broadcast.splat32
%7 = getelementptr inbounds i32, i32* %C, i64 %5
%8 = bitcast i32* %7 to <4 x i32>*
store <4 x i32> %6, <4 x i32>* %8, align 4
%index.next = add i64 %index, 8
%9 = icmp eq i64 %index.next, %n.vec
br i1 %9, label %for.end12, label %vector.body
for.end12: ; preds = %vector.body
ret void
}
define void @larger_smull(i16* nocapture noundef readonly %x, i16 noundef %y, i32* noalias nocapture noundef writeonly %s, i32 noundef %n) {
; CHECK-LABEL: larger_smull:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: cmp w3, #1
; CHECK-NEXT: b.lt .LBB3_8
; CHECK-NEXT: // %bb.1: // %for.body.preheader
; CHECK-NEXT: sxth w8, w1
; CHECK-NEXT: mov w9, w3
; CHECK-NEXT: cmp w3, #15
; CHECK-NEXT: b.hi .LBB3_3
; CHECK-NEXT: // %bb.2:
; CHECK-NEXT: mov x10, xzr
; CHECK-NEXT: b .LBB3_6
; CHECK-NEXT: .LBB3_3: // %vector.ph
; CHECK-NEXT: and x10, x9, #0xfffffff0
; CHECK-NEXT: add x11, x2, #32
; CHECK-NEXT: add x12, x0, #16
; CHECK-NEXT: mov x13, x10
; CHECK-NEXT: dup v0.4s, w8
; CHECK-NEXT: .LBB3_4: // %vector.body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldp q1, q2, [x12, #-16]
; CHECK-NEXT: subs x13, x13, #16
; CHECK-NEXT: add x12, x12, #32
; CHECK-NEXT: sshll2 v3.4s, v1.8h, #0
; CHECK-NEXT: sshll v1.4s, v1.4h, #0
; CHECK-NEXT: sshll2 v4.4s, v2.8h, #0
; CHECK-NEXT: sshll v2.4s, v2.4h, #0
; CHECK-NEXT: mul v3.4s, v0.4s, v3.4s
; CHECK-NEXT: mul v1.4s, v0.4s, v1.4s
; CHECK-NEXT: mul v4.4s, v0.4s, v4.4s
; CHECK-NEXT: mul v2.4s, v0.4s, v2.4s
; CHECK-NEXT: stp q1, q3, [x11, #-32]
; CHECK-NEXT: stp q2, q4, [x11], #64
; CHECK-NEXT: b.ne .LBB3_4
; CHECK-NEXT: // %bb.5: // %middle.block
; CHECK-NEXT: cmp x10, x9
; CHECK-NEXT: b.eq .LBB3_8
; CHECK-NEXT: .LBB3_6: // %for.body.preheader1
; CHECK-NEXT: sub x9, x9, x10
; CHECK-NEXT: add x11, x2, x10, lsl #2
; CHECK-NEXT: add x10, x0, x10, lsl #1
; CHECK-NEXT: .LBB3_7: // %for.body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrsh w12, [x10], #2
; CHECK-NEXT: subs x9, x9, #1
; CHECK-NEXT: mul w12, w12, w8
; CHECK-NEXT: str w12, [x11], #4
; CHECK-NEXT: b.ne .LBB3_7
; CHECK-NEXT: .LBB3_8: // %for.cond.cleanup
; CHECK-NEXT: ret
entry:
%conv1 = sext i16 %y to i32
%cmp8 = icmp sgt i32 %n, 0
br i1 %cmp8, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader: ; preds = %entry
%wide.trip.count = zext i32 %n to i64
%min.iters.check = icmp ult i32 %n, 16
br i1 %min.iters.check, label %for.body.preheader14, label %vector.ph
vector.ph: ; preds = %for.body.preheader
%n.vec = and i64 %wide.trip.count, 4294967280
%broadcast.splatinsert = insertelement <8 x i32> poison, i32 %conv1, i64 0
%broadcast.splat = shufflevector <8 x i32> %broadcast.splatinsert, <8 x i32> poison, <8 x i32> zeroinitializer
%broadcast.splatinsert12 = insertelement <8 x i32> poison, i32 %conv1, i64 0
%broadcast.splat13 = shufflevector <8 x i32> %broadcast.splatinsert12, <8 x i32> poison, <8 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds i16, i16* %x, i64 %index
%1 = bitcast i16* %0 to <8 x i16>*
%wide.load = load <8 x i16>, <8 x i16>* %1, align 2
%2 = getelementptr inbounds i16, i16* %0, i64 8
%3 = bitcast i16* %2 to <8 x i16>*
%wide.load11 = load <8 x i16>, <8 x i16>* %3, align 2
%4 = sext <8 x i16> %wide.load to <8 x i32>
%5 = sext <8 x i16> %wide.load11 to <8 x i32>
%6 = mul nsw <8 x i32> %broadcast.splat, %4
%7 = mul nsw <8 x i32> %broadcast.splat13, %5
%8 = getelementptr inbounds i32, i32* %s, i64 %index
%9 = bitcast i32* %8 to <8 x i32>*
store <8 x i32> %6, <8 x i32>* %9, align 4
%10 = getelementptr inbounds i32, i32* %8, i64 8
%11 = bitcast i32* %10 to <8 x i32>*
store <8 x i32> %7, <8 x i32>* %11, align 4
%index.next = add nuw i64 %index, 16
%12 = icmp eq i64 %index.next, %n.vec
br i1 %12, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%cmp.n = icmp eq i64 %n.vec, %wide.trip.count
br i1 %cmp.n, label %for.cond.cleanup, label %for.body.preheader14
for.body.preheader14: ; preds = %for.body.preheader, %middle.block
%indvars.iv.ph = phi i64 [ 0, %for.body.preheader ], [ %n.vec, %middle.block ]
br label %for.body
for.cond.cleanup: ; preds = %for.body, %middle.block, %entry
ret void
for.body: ; preds = %for.body.preheader14, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %indvars.iv.ph, %for.body.preheader14 ]
%arrayidx = getelementptr inbounds i16, i16* %x, i64 %indvars.iv
%13 = load i16, i16* %arrayidx, align 2
%conv = sext i16 %13 to i32
%mul = mul nsw i32 %conv, %conv1
%arrayidx3 = getelementptr inbounds i32, i32* %s, i64 %indvars.iv
store i32 %mul, i32* %arrayidx3, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @larger_umull(i16* nocapture noundef readonly %x, i16 noundef %y, i32* noalias nocapture noundef writeonly %s, i32 noundef %n) {
; CHECK-LABEL: larger_umull:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: cmp w3, #1
; CHECK-NEXT: b.lt .LBB4_8
; CHECK-NEXT: // %bb.1: // %for.body.preheader
; CHECK-NEXT: and w8, w1, #0xffff
; CHECK-NEXT: mov w9, w3
; CHECK-NEXT: cmp w3, #15
; CHECK-NEXT: b.hi .LBB4_3
; CHECK-NEXT: // %bb.2:
; CHECK-NEXT: mov x10, xzr
; CHECK-NEXT: b .LBB4_6
; CHECK-NEXT: .LBB4_3: // %vector.ph
; CHECK-NEXT: and x10, x9, #0xfffffff0
; CHECK-NEXT: add x11, x2, #32
; CHECK-NEXT: add x12, x0, #16
; CHECK-NEXT: mov x13, x10
; CHECK-NEXT: dup v0.4s, w8
; CHECK-NEXT: .LBB4_4: // %vector.body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldp q1, q2, [x12, #-16]
; CHECK-NEXT: subs x13, x13, #16
; CHECK-NEXT: add x12, x12, #32
; CHECK-NEXT: ushll2 v3.4s, v1.8h, #0
; CHECK-NEXT: ushll v1.4s, v1.4h, #0
; CHECK-NEXT: ushll2 v4.4s, v2.8h, #0
; CHECK-NEXT: ushll v2.4s, v2.4h, #0
; CHECK-NEXT: mul v3.4s, v0.4s, v3.4s
; CHECK-NEXT: mul v1.4s, v0.4s, v1.4s
; CHECK-NEXT: mul v4.4s, v0.4s, v4.4s
; CHECK-NEXT: mul v2.4s, v0.4s, v2.4s
; CHECK-NEXT: stp q1, q3, [x11, #-32]
; CHECK-NEXT: stp q2, q4, [x11], #64
; CHECK-NEXT: b.ne .LBB4_4
; CHECK-NEXT: // %bb.5: // %middle.block
; CHECK-NEXT: cmp x10, x9
; CHECK-NEXT: b.eq .LBB4_8
; CHECK-NEXT: .LBB4_6: // %for.body.preheader1
; CHECK-NEXT: sub x9, x9, x10
; CHECK-NEXT: add x11, x2, x10, lsl #2
; CHECK-NEXT: add x10, x0, x10, lsl #1
; CHECK-NEXT: .LBB4_7: // %for.body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrh w12, [x10], #2
; CHECK-NEXT: subs x9, x9, #1
; CHECK-NEXT: mul w12, w12, w8
; CHECK-NEXT: str w12, [x11], #4
; CHECK-NEXT: b.ne .LBB4_7
; CHECK-NEXT: .LBB4_8: // %for.cond.cleanup
; CHECK-NEXT: ret
entry:
%conv1 = zext i16 %y to i32
%cmp8 = icmp sgt i32 %n, 0
br i1 %cmp8, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader: ; preds = %entry
%wide.trip.count = zext i32 %n to i64
%min.iters.check = icmp ult i32 %n, 16
br i1 %min.iters.check, label %for.body.preheader14, label %vector.ph
vector.ph: ; preds = %for.body.preheader
%n.vec = and i64 %wide.trip.count, 4294967280
%broadcast.splatinsert = insertelement <8 x i32> poison, i32 %conv1, i64 0
%broadcast.splat = shufflevector <8 x i32> %broadcast.splatinsert, <8 x i32> poison, <8 x i32> zeroinitializer
%broadcast.splatinsert12 = insertelement <8 x i32> poison, i32 %conv1, i64 0
%broadcast.splat13 = shufflevector <8 x i32> %broadcast.splatinsert12, <8 x i32> poison, <8 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds i16, i16* %x, i64 %index
%1 = bitcast i16* %0 to <8 x i16>*
%wide.load = load <8 x i16>, <8 x i16>* %1, align 2
%2 = getelementptr inbounds i16, i16* %0, i64 8
%3 = bitcast i16* %2 to <8 x i16>*
%wide.load11 = load <8 x i16>, <8 x i16>* %3, align 2
%4 = zext <8 x i16> %wide.load to <8 x i32>
%5 = zext <8 x i16> %wide.load11 to <8 x i32>
%6 = mul nuw <8 x i32> %broadcast.splat, %4
%7 = mul nuw <8 x i32> %broadcast.splat13, %5
%8 = getelementptr inbounds i32, i32* %s, i64 %index
%9 = bitcast i32* %8 to <8 x i32>*
store <8 x i32> %6, <8 x i32>* %9, align 4
%10 = getelementptr inbounds i32, i32* %8, i64 8
%11 = bitcast i32* %10 to <8 x i32>*
store <8 x i32> %7, <8 x i32>* %11, align 4
%index.next = add nuw i64 %index, 16
%12 = icmp eq i64 %index.next, %n.vec
br i1 %12, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%cmp.n = icmp eq i64 %n.vec, %wide.trip.count
br i1 %cmp.n, label %for.cond.cleanup, label %for.body.preheader14
for.body.preheader14: ; preds = %for.body.preheader, %middle.block
%indvars.iv.ph = phi i64 [ 0, %for.body.preheader ], [ %n.vec, %middle.block ]
br label %for.body
for.cond.cleanup: ; preds = %for.body, %middle.block, %entry
ret void
for.body: ; preds = %for.body.preheader14, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %indvars.iv.ph, %for.body.preheader14 ]
%arrayidx = getelementptr inbounds i16, i16* %x, i64 %indvars.iv
%13 = load i16, i16* %arrayidx, align 2
%conv = zext i16 %13 to i32
%mul = mul nuw i32 %conv, %conv1
%arrayidx3 = getelementptr inbounds i32, i32* %s, i64 %indvars.iv
store i32 %mul, i32* %arrayidx3, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define i16 @red_mla_dup_ext_u8_s8_s16(i8* noalias nocapture noundef readonly %A, i8 noundef %B, i32 noundef %n) {
; CHECK-LABEL: red_mla_dup_ext_u8_s8_s16:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: cbz w2, .LBB5_3
; CHECK-NEXT: // %bb.1: // %for.body.preheader
; CHECK-NEXT: sxtb w9, w1
; CHECK-NEXT: mov w10, w2
; CHECK-NEXT: cmp w2, #15
; CHECK-NEXT: b.hi .LBB5_4
; CHECK-NEXT: // %bb.2:
; CHECK-NEXT: mov x11, xzr
; CHECK-NEXT: mov w8, wzr
; CHECK-NEXT: b .LBB5_7
; CHECK-NEXT: .LBB5_3:
; CHECK-NEXT: mov w0, wzr
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB5_4: // %vector.ph
; CHECK-NEXT: and x11, x10, #0xfffffff0
; CHECK-NEXT: add x8, x0, #8
; CHECK-NEXT: movi v0.2d, #0000000000000000
; CHECK-NEXT: mov x12, x11
; CHECK-NEXT: movi v1.2d, #0000000000000000
; CHECK-NEXT: dup v2.8h, w9
; CHECK-NEXT: .LBB5_5: // %vector.body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldp d3, d4, [x8, #-8]
; CHECK-NEXT: subs x12, x12, #16
; CHECK-NEXT: add x8, x8, #16
; CHECK-NEXT: ushll v3.8h, v3.8b, #0
; CHECK-NEXT: ushll v4.8h, v4.8b, #0
; CHECK-NEXT: mla v0.8h, v2.8h, v3.8h
; CHECK-NEXT: mla v1.8h, v2.8h, v4.8h
; CHECK-NEXT: b.ne .LBB5_5
; CHECK-NEXT: // %bb.6: // %middle.block
; CHECK-NEXT: add v0.8h, v1.8h, v0.8h
; CHECK-NEXT: cmp x11, x10
; CHECK-NEXT: addv h0, v0.8h
; CHECK-NEXT: fmov w8, s0
; CHECK-NEXT: b.eq .LBB5_9
; CHECK-NEXT: .LBB5_7: // %for.body.preheader1
; CHECK-NEXT: sub x10, x10, x11
; CHECK-NEXT: add x11, x0, x11
; CHECK-NEXT: .LBB5_8: // %for.body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrb w12, [x11], #1
; CHECK-NEXT: subs x10, x10, #1
; CHECK-NEXT: madd w8, w12, w9, w8
; CHECK-NEXT: b.ne .LBB5_8
; CHECK-NEXT: .LBB5_9: // %for.cond.cleanup
; CHECK-NEXT: mov w0, w8
; CHECK-NEXT: ret
entry:
%conv2 = sext i8 %B to i16
%cmp10.not = icmp eq i32 %n, 0
br i1 %cmp10.not, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader: ; preds = %entry
%wide.trip.count = zext i32 %n to i64
%min.iters.check = icmp ult i32 %n, 16
br i1 %min.iters.check, label %for.body.preheader17, label %vector.ph
vector.ph: ; preds = %for.body.preheader
%n.vec = and i64 %wide.trip.count, 4294967280
%broadcast.splatinsert = insertelement <8 x i16> poison, i16 %conv2, i64 0
%broadcast.splat = shufflevector <8 x i16> %broadcast.splatinsert, <8 x i16> poison, <8 x i32> zeroinitializer
%broadcast.splatinsert15 = insertelement <8 x i16> poison, i16 %conv2, i64 0
%broadcast.splat16 = shufflevector <8 x i16> %broadcast.splatinsert15, <8 x i16> poison, <8 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%vec.phi = phi <8 x i16> [ zeroinitializer, %vector.ph ], [ %8, %vector.body ]
%vec.phi13 = phi <8 x i16> [ zeroinitializer, %vector.ph ], [ %9, %vector.body ]
%0 = getelementptr inbounds i8, i8* %A, i64 %index
%1 = bitcast i8* %0 to <8 x i8>*
%wide.load = load <8 x i8>, <8 x i8>* %1, align 1
%2 = getelementptr inbounds i8, i8* %0, i64 8
%3 = bitcast i8* %2 to <8 x i8>*
%wide.load14 = load <8 x i8>, <8 x i8>* %3, align 1
%4 = zext <8 x i8> %wide.load to <8 x i16>
%5 = zext <8 x i8> %wide.load14 to <8 x i16>
%6 = mul nsw <8 x i16> %broadcast.splat, %4
%7 = mul nsw <8 x i16> %broadcast.splat16, %5
%8 = add <8 x i16> %6, %vec.phi
%9 = add <8 x i16> %7, %vec.phi13
%index.next = add nuw i64 %index, 16
%10 = icmp eq i64 %index.next, %n.vec
br i1 %10, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%bin.rdx = add <8 x i16> %9, %8
%11 = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %bin.rdx)
%cmp.n = icmp eq i64 %n.vec, %wide.trip.count
br i1 %cmp.n, label %for.cond.cleanup, label %for.body.preheader17
for.body.preheader17: ; preds = %for.body.preheader, %middle.block
%indvars.iv.ph = phi i64 [ 0, %for.body.preheader ], [ %n.vec, %middle.block ]
%s.011.ph = phi i16 [ 0, %for.body.preheader ], [ %11, %middle.block ]
br label %for.body
for.cond.cleanup: ; preds = %for.body, %middle.block, %entry
%s.0.lcssa = phi i16 [ 0, %entry ], [ %11, %middle.block ], [ %add, %for.body ]
ret i16 %s.0.lcssa
for.body: ; preds = %for.body.preheader17, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %indvars.iv.ph, %for.body.preheader17 ]
%s.011 = phi i16 [ %add, %for.body ], [ %s.011.ph, %for.body.preheader17 ]
%arrayidx = getelementptr inbounds i8, i8* %A, i64 %indvars.iv
%12 = load i8, i8* %arrayidx, align 1
%13 = zext i8 %12 to i16
%mul = mul nsw i16 %13, %conv2
%add = add i16 %mul, %s.011
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
declare i16 @llvm.vector.reduce.add.v8i16(<8 x i16>)