derek.holloway
7502bf64a4
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49 lines
1.8 KiB
LLVM
49 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
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; RUN: llc -mattr=+sve -combiner-disabled < %s | FileCheck %s
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target triple = "aarch64-unknown-linux-gnu"
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; Ensure we don't try to represent sdiv-by-one using ARSD.
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define <16 x i16> @sdiv_by_one_v16i16(<16 x i16> %a) vscale_range(2,2) {
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; CHECK-LABEL: sdiv_by_one_v16i16:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov z2.h, #1 // =0x1
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; CHECK-NEXT: // kill: def $q1 killed $q1 def $z1
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; CHECK-NEXT: // kill: def $q0 killed $q0 def $z0
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; CHECK-NEXT: ptrue p0.s
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; CHECK-NEXT: sunpklo z1.s, z1.h
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; CHECK-NEXT: sunpklo z0.s, z0.h
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; CHECK-NEXT: sunpklo z2.s, z2.h
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; CHECK-NEXT: sdiv z1.s, p0/m, z1.s, z2.s
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; CHECK-NEXT: sdiv z0.s, p0/m, z0.s, z2.s
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; CHECK-NEXT: ptrue p0.h, vl8
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; CHECK-NEXT: uzp1 z1.h, z1.h, z1.h
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; CHECK-NEXT: uzp1 z0.h, z0.h, z0.h
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; CHECK-NEXT: splice z0.h, p0, z0.h, z1.h
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; CHECK-NEXT: movprfx z1, z0
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; CHECK-NEXT: ext z1.b, z1.b, z0.b, #16
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; CHECK-NEXT: // kill: def $q0 killed $q0 killed $z0
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; CHECK-NEXT: // kill: def $q1 killed $q1 killed $z1
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; CHECK-NEXT: ret
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%res = sdiv <16 x i16> %a, splat(i16 1)
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ret <16 x i16> %res
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}
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; Ensure we don't try to represent sdiv-by-one using ARSD.
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define <vscale x 8 x i16> @sdiv_by_one_nxv8i16(<vscale x 8 x i16> %a) {
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; CHECK-LABEL: sdiv_by_one_nxv8i16:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov z1.h, #1 // =0x1
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; CHECK-NEXT: sunpkhi z2.s, z0.h
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; CHECK-NEXT: sunpklo z0.s, z0.h
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; CHECK-NEXT: ptrue p0.s
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; CHECK-NEXT: sunpkhi z3.s, z1.h
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; CHECK-NEXT: sunpklo z1.s, z1.h
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; CHECK-NEXT: sdiv z2.s, p0/m, z2.s, z3.s
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; CHECK-NEXT: sdiv z0.s, p0/m, z0.s, z1.s
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; CHECK-NEXT: uzp1 z0.h, z0.h, z2.h
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; CHECK-NEXT: ret
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%res = sdiv <vscale x 8 x i16> %a, splat(i16 1)
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ret <vscale x 8 x i16> %res
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}
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