test/CodeGen/ARM/popcnt.ll

; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
; Implement ctpop with vcnt

define <8 x i8> @vcnt8(<8 x i8>* %A) nounwind {
;CHECK: vcnt8:
;CHECK: vcnt.8 {{d[0-9]+}}, {{d[0-9]+}}
	%tmp1 = load <8 x i8>* %A
	%tmp2 = call <8 x i8> @llvm.ctpop.v8i8(<8 x i8> %tmp1)
	ret <8 x i8> %tmp2
}

define <16 x i8> @vcntQ8(<16 x i8>* %A) nounwind {
;CHECK: vcntQ8:
;CHECK: vcnt.8 {{q[0-9]+}}, {{q[0-9]+}}
	%tmp1 = load <16 x i8>* %A
	%tmp2 = call <16 x i8> @llvm.ctpop.v16i8(<16 x i8> %tmp1)
	ret <16 x i8> %tmp2
}

define <4 x i16> @vcnt16(<4 x i16>* %A) nounwind {
; CHECK: vcnt16:
; CHECK: vcnt.8 {{d[0-9]+}}, {{d[0-9]+}}
; CHECK: vrev16.8 {{d[0-9]+}}, {{d[0-9]+}}
; CHECK: vadd.i8 {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
; CHECK: vuzp.8 {{d[0-9]+}}, {{d[0-9]+}}
; CHECK: vmovl.u8 {{q[0-9]+}}, {{d[0-9]+}}
	%tmp1 = load <4 x i16>* %A
	%tmp2 = call <4 x i16> @llvm.ctpop.v4i16(<4 x i16> %tmp1)
	ret <4 x i16> %tmp2
}

define <8 x i16> @vcntQ16(<8 x i16>* %A) nounwind {
; CHECK: vcntQ16:
; CHECK: vcnt.8 {{q[0-9]+}}, {{q[0-9]+}}
; CHECK: vrev16.8 {{q[0-9]+}}, {{q[0-9]+}}
; CHECK: vadd.i8 {{q[0-9]+}}, {{q[0-9]+}}, {{q[0-9]+}}
; CHECK: vuzp.8 {{q[0-9]+}}, {{q[0-9]+}}
; CHECK: vmovl.u8 {{q[0-9]+}}, {{d[0-9]+}}
	%tmp1 = load <8 x i16>* %A
	%tmp2 = call <8 x i16> @llvm.ctpop.v8i16(<8 x i16> %tmp1)
	ret <8 x i16> %tmp2
}

define <2 x i32> @vcnt32(<2 x i32>* %A) nounwind {
; CHECK: vcnt32:
; CHECK: vcnt.8 {{d[0-9]+}}, {{d[0-9]+}}
; CHECK: vrev16.8 {{d[0-9]+}}, {{d[0-9]+}}
; CHECK: vadd.i8 {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
; CHECK: vuzp.8 {{d[0-9]+}}, {{d[0-9]+}}
; CHECK: vmovl.u8 {{q[0-9]+}}, {{d[0-9]+}}
; CHECK: vrev32.16 {{d[0-9]+}}, {{d[0-9]+}}
; CHECK: vuzp.16 {{d[0-9]+}}, {{d[0-9]+}}
; CHECK: vmovl.u16 {{q[0-9]+}}, {{d[0-9]+}}
	%tmp1 = load <2 x i32>* %A
	%tmp2 = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %tmp1)
	ret <2 x i32> %tmp2
}

define <4 x i32> @vcntQ32(<4 x i32>* %A) nounwind {
; CHECK: vcntQ32:
; CHECK: vcnt.8 {{q[0-9]+}}, {{q[0-9]+}}
; CHECK: vrev16.8 {{q[0-9]+}}, {{q[0-9]+}}
; CHECK: vadd.i8 {{q[0-9]+}}, {{q[0-9]+}}, {{q[0-9]+}}
; CHECK: vuzp.8 {{q[0-9]+}}, {{q[0-9]+}}
; CHECK: vmovl.u8 {{q[0-9]+}}, {{d[0-9]+}}
; CHECK: vrev32.16 {{q[0-9]+}}, {{q[0-9]+}}
; CHECK: vuzp.16 {{q[0-9]+}}, {{q[0-9]+}}
; CHECK: vmovl.u16 {{q[0-9]+}}, {{d[0-9]+}}
	%tmp1 = load <4 x i32>* %A
	%tmp2 = call <4 x i32> @llvm.ctpop.v4i32(<4 x i32> %tmp1)
	ret <4 x i32> %tmp2
}

declare <8 x i8>  @llvm.ctpop.v8i8(<8 x i8>) nounwind readnone
declare <16 x i8> @llvm.ctpop.v16i8(<16 x i8>) nounwind readnone
declare <4 x i16> @llvm.ctpop.v4i16(<4 x i16>) nounwind readnone
declare <8 x i16> @llvm.ctpop.v8i16(<8 x i16>) nounwind readnone
declare <2 x i32> @llvm.ctpop.v2i32(<2 x i32>) nounwind readnone
declare <4 x i32> @llvm.ctpop.v4i32(<4 x i32>) nounwind readnone

define <8 x i8> @vclz8(<8 x i8>* %A) nounwind {
;CHECK: vclz8:
;CHECK: vclz.i8 {{d[0-9]+}}, {{d[0-9]+}}
	%tmp1 = load <8 x i8>* %A
	%tmp2 = call <8 x i8> @llvm.ctlz.v8i8(<8 x i8> %tmp1, i1 0)
	ret <8 x i8> %tmp2
}

define <4 x i16> @vclz16(<4 x i16>* %A) nounwind {
;CHECK: vclz16:
;CHECK: vclz.i16 {{d[0-9]+}}, {{d[0-9]+}}
	%tmp1 = load <4 x i16>* %A
	%tmp2 = call <4 x i16> @llvm.ctlz.v4i16(<4 x i16> %tmp1, i1 0)
	ret <4 x i16> %tmp2
}

define <2 x i32> @vclz32(<2 x i32>* %A) nounwind {
;CHECK: vclz32:
;CHECK: vclz.i32 {{d[0-9]+}}, {{d[0-9]+}}
	%tmp1 = load <2 x i32>* %A
	%tmp2 = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %tmp1, i1 0)
	ret <2 x i32> %tmp2
}

define <16 x i8> @vclzQ8(<16 x i8>* %A) nounwind {
;CHECK: vclzQ8:
;CHECK: vclz.i8 {{q[0-9]+}}, {{q[0-9]+}}
	%tmp1 = load <16 x i8>* %A
	%tmp2 = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %tmp1, i1 0)
	ret <16 x i8> %tmp2
}

define <8 x i16> @vclzQ16(<8 x i16>* %A) nounwind {
;CHECK: vclzQ16:
;CHECK: vclz.i16 {{q[0-9]+}}, {{q[0-9]+}}
	%tmp1 = load <8 x i16>* %A
	%tmp2 = call <8 x i16> @llvm.ctlz.v8i16(<8 x i16> %tmp1, i1 0)
	ret <8 x i16> %tmp2
}

define <4 x i32> @vclzQ32(<4 x i32>* %A) nounwind {
;CHECK: vclzQ32:
;CHECK: vclz.i32 {{q[0-9]+}}, {{q[0-9]+}}
	%tmp1 = load <4 x i32>* %A
	%tmp2 = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %tmp1, i1 0)
	ret <4 x i32> %tmp2
}

declare <8 x i8>  @llvm.ctlz.v8i8(<8 x i8>, i1) nounwind readnone
declare <4 x i16> @llvm.ctlz.v4i16(<4 x i16>, i1) nounwind readnone
declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1) nounwind readnone

declare <16 x i8> @llvm.ctlz.v16i8(<16 x i8>, i1) nounwind readnone
declare <8 x i16> @llvm.ctlz.v8i16(<8 x i16>, i1) nounwind readnone
declare <4 x i32> @llvm.ctlz.v4i32(<4 x i32>, i1) nounwind readnone

define <8 x i8> @vclss8(<8 x i8>* %A) nounwind {
;CHECK: vclss8:
;CHECK: vcls.s8
	%tmp1 = load <8 x i8>* %A
	%tmp2 = call <8 x i8> @llvm.arm.neon.vcls.v8i8(<8 x i8> %tmp1)
	ret <8 x i8> %tmp2
}

define <4 x i16> @vclss16(<4 x i16>* %A) nounwind {
;CHECK: vclss16:
;CHECK: vcls.s16
	%tmp1 = load <4 x i16>* %A
	%tmp2 = call <4 x i16> @llvm.arm.neon.vcls.v4i16(<4 x i16> %tmp1)
	ret <4 x i16> %tmp2
}

define <2 x i32> @vclss32(<2 x i32>* %A) nounwind {
;CHECK: vclss32:
;CHECK: vcls.s32
	%tmp1 = load <2 x i32>* %A
	%tmp2 = call <2 x i32> @llvm.arm.neon.vcls.v2i32(<2 x i32> %tmp1)
	ret <2 x i32> %tmp2
}

define <16 x i8> @vclsQs8(<16 x i8>* %A) nounwind {
;CHECK: vclsQs8:
;CHECK: vcls.s8
	%tmp1 = load <16 x i8>* %A
	%tmp2 = call <16 x i8> @llvm.arm.neon.vcls.v16i8(<16 x i8> %tmp1)
	ret <16 x i8> %tmp2
}

define <8 x i16> @vclsQs16(<8 x i16>* %A) nounwind {
;CHECK: vclsQs16:
;CHECK: vcls.s16
	%tmp1 = load <8 x i16>* %A
	%tmp2 = call <8 x i16> @llvm.arm.neon.vcls.v8i16(<8 x i16> %tmp1)
	ret <8 x i16> %tmp2
}

define <4 x i32> @vclsQs32(<4 x i32>* %A) nounwind {
;CHECK: vclsQs32:
;CHECK: vcls.s32
	%tmp1 = load <4 x i32>* %A
	%tmp2 = call <4 x i32> @llvm.arm.neon.vcls.v4i32(<4 x i32> %tmp1)
	ret <4 x i32> %tmp2
}

declare <8 x i8>  @llvm.arm.neon.vcls.v8i8(<8 x i8>) nounwind readnone
declare <4 x i16> @llvm.arm.neon.vcls.v4i16(<4 x i16>) nounwind readnone
declare <2 x i32> @llvm.arm.neon.vcls.v2i32(<2 x i32>) nounwind readnone

declare <16 x i8> @llvm.arm.neon.vcls.v16i8(<16 x i8>) nounwind readnone
declare <8 x i16> @llvm.arm.neon.vcls.v8i16(<8 x i16>) nounwind readnone
declare <4 x i32> @llvm.arm.neon.vcls.v4i32(<4 x i32>) nounwind readnone