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80 lines
3.7 KiB
LLVM
80 lines
3.7 KiB
LLVM
; RUN: llc < %s -verify-machineinstrs -mtriple=arm64-none-linux-gnu -mattr=+neon | FileCheck %s
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define <16 x i8> @div16xi8(<16 x i8> %x) {
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; CHECK-LABEL: div16xi8:
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; CHECK: movi [[DIVISOR:(v[0-9]+)]].16b, #41
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; CHECK-NEXT: smull2 [[SMULL2:(v[0-9]+)]].8h, v0.16b, [[DIVISOR]].16b
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; CHECK-NEXT: smull [[SMULL:(v[0-9]+)]].8h, v0.8b, [[DIVISOR]].8b
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; CHECK-NEXT: uzp2 [[UZP2:(v[0-9]+).16b]], [[SMULL]].16b, [[SMULL2]].16b
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; CHECK-NEXT: sshr [[SSHR:(v[0-9]+.16b)]], [[UZP2]], #2
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; CHECK-NEXT: usra v0.16b, [[SSHR]], #7
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%div = sdiv <16 x i8> %x, <i8 25, i8 25, i8 25, i8 25, i8 25, i8 25, i8 25, i8 25, i8 25, i8 25, i8 25, i8 25, i8 25, i8 25, i8 25, i8 25>
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ret <16 x i8> %div
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}
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define <8 x i16> @div8xi16(<8 x i16> %x) {
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; CHECK-LABEL: div8xi16:
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; CHECK: mov [[TMP:(w[0-9]+)]], #40815
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; CHECK-NEXT: dup [[DIVISOR:(v[0-9]+)]].8h, [[TMP]]
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; CHECK-NEXT: smull2 [[SMULL2:(v[0-9]+)]].4s, v0.8h, [[DIVISOR]].8h
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; CHECK-NEXT: smull [[SMULL:(v[0-9]+)]].4s, v0.4h, [[DIVISOR]].4h
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; CHECK-NEXT: uzp2 [[UZP2:(v[0-9]+).8h]], [[SMULL]].8h, [[SMULL2]].8h
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; CHECK-NEXT: add [[ADD:(v[0-9]+).8h]], [[UZP2]], v0.8h
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; CHECK-NEXT: sshr [[SSHR:(v[0-9]+).8h]], [[ADD]], #12
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; CHECK-NEXT: usra v0.8h, [[SSHR]], #15
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%div = sdiv <8 x i16> %x, <i16 6577, i16 6577, i16 6577, i16 6577, i16 6577, i16 6577, i16 6577, i16 6577>
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ret <8 x i16> %div
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}
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define <4 x i32> @div32xi4(<4 x i32> %x) {
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; CHECK-LABEL: div32xi4:
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; CHECK: mov [[TMP:(w[0-9]+)]], #7527
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; CHECK-NEXT: movk [[TMP]], #28805, lsl #16
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; CHECK-NEXT: dup [[DIVISOR:(v[0-9]+)]].4s, [[TMP]]
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; CHECK-NEXT: smull2 [[SMULL2:(v[0-9]+)]].2d, v0.4s, [[DIVISOR]].4s
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; CHECK-NEXT: smull [[SMULL:(v[0-9]+)]].2d, v0.2s, [[DIVISOR]].2s
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; CHECK-NEXT: uzp2 [[UZP2:(v[0-9]+).4s]], [[SMULL]].4s, [[SMULL2]].4s
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; CHECK-NEXT: sshr [[SSHR:(v[0-9]+.4s)]], [[UZP2]], #22
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; CHECK-NEXT: usra v0.4s, [[UZP2]], #31
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%div = sdiv <4 x i32> %x, <i32 9542677, i32 9542677, i32 9542677, i32 9542677>
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ret <4 x i32> %div
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}
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define <16 x i8> @udiv16xi8(<16 x i8> %x) {
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; CHECK-LABEL: udiv16xi8:
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; CHECK: movi [[DIVISOR:(v[0-9]+)]].16b, #121
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; CHECK-NEXT: umull2 [[UMULL2:(v[0-9]+)]].8h, v0.16b, [[DIVISOR]].16b
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; CHECK-NEXT: umull [[UMULL:(v[0-9]+)]].8h, v0.8b, [[DIVISOR]].8b
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; CHECK-NEXT: uzp2 [[UZP2:(v[0-9]+).16b]], [[UMULL]].16b, [[UMULL2]].16b
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; CHECK-NEXT: ushr v0.16b, [[UZP2]], #5
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%div = udiv <16 x i8> %x, <i8 68, i8 68, i8 68, i8 68, i8 68, i8 68, i8 68, i8 68, i8 68, i8 68, i8 68, i8 68, i8 68, i8 68, i8 68, i8 68>
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ret <16 x i8> %div
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}
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define <8 x i16> @udiv8xi16(<8 x i16> %x) {
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; CHECK-LABEL: udiv8xi16:
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; CHECK: mov [[TMP:(w[0-9]+)]], #16593
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; CHECK-NEXT: dup [[DIVISOR:(v[0-9]+)]].8h, [[TMP]]
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; CHECK-NEXT: umull2 [[UMULL2:(v[0-9]+)]].4s, v0.8h, [[DIVISOR]].8h
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; CHECK-NEXT: umull [[UMULL:(v[0-9]+)]].4s, v0.4h, [[DIVISOR]].4h
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; CHECK-NEXT: uzp2 [[UZP2:(v[0-9]+).8h]], [[UMULL]].8h, [[SMULL2]].8h
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; CHECK-NEXT: sub [[SUB:(v[0-9]+).8h]], v0.8h, [[UZP2]]
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; CHECK-NEXT: usra [[USRA:(v[0-9]+).8h]], [[SUB]], #1
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; CHECK-NEXT: ushr v0.8h, [[USRA]], #12
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%div = udiv <8 x i16> %x, <i16 6537, i16 6537, i16 6537, i16 6537, i16 6537, i16 6537, i16 6537, i16 6537>
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ret <8 x i16> %div
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}
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define <4 x i32> @udiv32xi4(<4 x i32> %x) {
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; CHECK-LABEL: udiv32xi4:
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; CHECK: mov [[TMP:(w[0-9]+)]], #16747
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; CHECK-NEXT: movk [[TMP]], #31439, lsl #16
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; CHECK-NEXT: dup [[DIVISOR:(v[0-9]+)]].4s, [[TMP]]
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; CHECK-NEXT: umull2 [[UMULL2:(v[0-9]+)]].2d, v0.4s, [[DIVISOR]].4s
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; CHECK-NEXT: umull [[UMULL:(v[0-9]+)]].2d, v0.2s, [[DIVISOR]].2s
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; CHECK-NEXT: uzp2 [[UZP2:(v[0-9]+).4s]], [[UMULL]].4s, [[SMULL2]].4s
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; CHECK-NEXT: ushr v0.4s, [[UZP2]], #22
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%div = udiv <4 x i32> %x, <i32 8743143, i32 8743143, i32 8743143, i32 8743143>
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ret <4 x i32> %div
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}
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