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llvm/llvm/test/CodeGen/AArch64/sve-fixed-length-extract-subvector.ll 

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -aarch64-sve-vector-bits-min=256  < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_256
; RUN: llc -aarch64-sve-vector-bits-min=512  < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_512
; RUN: llc -aarch64-sve-vector-bits-min=2048 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_512

target triple = "aarch64-unknown-linux-gnu"

; i8

; Don't use SVE for 64-bit vectors.
define <4 x i8> @extract_subvector_v8i8(<8 x i8> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v8i8:
; CHECK:       // %bb.0:
; CHECK-NEXT:    zip2 v0.8b, v0.8b, v0.8b
; CHECK-NEXT:    ret
  %ret = call <4 x i8> @llvm.vector.extract.v4i8.v8i8(<8 x i8> %op, i64 4)
  ret <4 x i8> %ret
}

; Don't use SVE for 128-bit vectors.
define <8 x i8> @extract_subvector_v16i8(<16 x i8> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v16i8:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ext v0.16b, v0.16b, v0.16b, #8
; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
; CHECK-NEXT:    ret
  %ret = call <8 x i8> @llvm.vector.extract.v8i8.v16i8(<16 x i8> %op, i64 8)
  ret <8 x i8> %ret
}

define void @extract_subvector_v32i8(ptr %a, ptr %b) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v32i8:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.b, vl32
; CHECK-NEXT:    ld1b { z0.b }, p0/z, [x0]
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #16
; CHECK-NEXT:    str q0, [x1]
; CHECK-NEXT:    ret
  %op = load <32 x i8>, ptr %a
  %ret = call <16 x i8> @llvm.vector.extract.v16i8.v32i8(<32 x i8> %op, i64 16)
  store <16 x i8> %ret, ptr %b
  ret void
}

define void @extract_subvector_v64i8(ptr %a, ptr %b) #0 {
; VBITS_GE_256-LABEL: extract_subvector_v64i8:
; VBITS_GE_256:       // %bb.0:
; VBITS_GE_256-NEXT:    ptrue p0.b, vl32
; VBITS_GE_256-NEXT:    mov w8, #32 // =0x20
; VBITS_GE_256-NEXT:    ld1b { z0.b }, p0/z, [x0, x8]
; VBITS_GE_256-NEXT:    st1b { z0.b }, p0, [x1]
; VBITS_GE_256-NEXT:    ret
;
; VBITS_GE_512-LABEL: extract_subvector_v64i8:
; VBITS_GE_512:       // %bb.0:
; VBITS_GE_512-NEXT:    ptrue p0.b, vl64
; VBITS_GE_512-NEXT:    ld1b { z0.b }, p0/z, [x0]
; VBITS_GE_512-NEXT:    ptrue p0.b, vl32
; VBITS_GE_512-NEXT:    ext z0.b, z0.b, z0.b, #32
; VBITS_GE_512-NEXT:    st1b { z0.b }, p0, [x1]
; VBITS_GE_512-NEXT:    ret
  %op = load <64 x i8>, ptr %a
  %ret = call <32 x i8> @llvm.vector.extract.v32i8.v64i8(<64 x i8> %op, i64 32)
  store <32 x i8> %ret, ptr %b
  ret void
}

define void @extract_subvector_v128i8(ptr %a, ptr %b) vscale_range(8,0) #0 {
; CHECK-LABEL: extract_subvector_v128i8:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.b, vl128
; CHECK-NEXT:    ld1b { z0.b }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.b, vl64
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #64
; CHECK-NEXT:    st1b { z0.b }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <128 x i8>, ptr %a
  %ret = call <64 x i8> @llvm.vector.extract.v64i8.v128i8(<128 x i8> %op, i64 64)
  store <64 x i8> %ret, ptr %b
  ret void
}

define void @extract_subvector_v256i8(ptr %a, ptr %b) vscale_range(16,0) #0 {
; CHECK-LABEL: extract_subvector_v256i8:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.b, vl256
; CHECK-NEXT:    ld1b { z0.b }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.b, vl128
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #128
; CHECK-NEXT:    st1b { z0.b }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <256 x i8>, ptr %a
  %ret = call <128 x i8> @llvm.vector.extract.v128i8.v256i8(<256 x i8> %op, i64 128)
  store <128 x i8> %ret, ptr %b
  ret void
}

; i16

; Don't use SVE for 64-bit vectors.
define <2 x i16> @extract_subvector_v4i16(<4 x i16> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v4i16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ushll v0.4s, v0.4h, #0
; CHECK-NEXT:    ext v0.16b, v0.16b, v0.16b, #8
; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
; CHECK-NEXT:    ret
  %ret = call <2 x i16> @llvm.vector.extract.v2i16.v4i16(<4 x i16> %op, i64 2)
  ret <2 x i16> %ret
}

; Don't use SVE for 128-bit vectors.
define <4 x i16> @extract_subvector_v8i16(<8 x i16> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v8i16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ext v0.16b, v0.16b, v0.16b, #8
; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
; CHECK-NEXT:    ret
  %ret = call <4 x i16> @llvm.vector.extract.v4i16.v8i16(<8 x i16> %op, i64 4)
  ret <4 x i16> %ret
}

define void @extract_subvector_v16i16(ptr %a, ptr %b) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v16i16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.h, vl16
; CHECK-NEXT:    ld1h { z0.h }, p0/z, [x0]
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #16
; CHECK-NEXT:    str q0, [x1]
; CHECK-NEXT:    ret
  %op = load <16 x i16>, ptr %a
  %ret = call <8 x i16> @llvm.vector.extract.v8i16.v16i16(<16 x i16> %op, i64 8)
  store <8 x i16> %ret, ptr %b
  ret void
}

define void @extract_subvector_v32i16(ptr %a, ptr %b) #0 {
; VBITS_GE_256-LABEL: extract_subvector_v32i16:
; VBITS_GE_256:       // %bb.0:
; VBITS_GE_256-NEXT:    ptrue p0.h, vl16
; VBITS_GE_256-NEXT:    mov x8, #16 // =0x10
; VBITS_GE_256-NEXT:    ld1h { z0.h }, p0/z, [x0, x8, lsl #1]
; VBITS_GE_256-NEXT:    st1h { z0.h }, p0, [x1]
; VBITS_GE_256-NEXT:    ret
;
; VBITS_GE_512-LABEL: extract_subvector_v32i16:
; VBITS_GE_512:       // %bb.0:
; VBITS_GE_512-NEXT:    ptrue p0.h, vl32
; VBITS_GE_512-NEXT:    ld1h { z0.h }, p0/z, [x0]
; VBITS_GE_512-NEXT:    ptrue p0.h, vl16
; VBITS_GE_512-NEXT:    ext z0.b, z0.b, z0.b, #32
; VBITS_GE_512-NEXT:    st1h { z0.h }, p0, [x1]
; VBITS_GE_512-NEXT:    ret
  %op = load <32 x i16>, ptr %a
  %ret = call <16 x i16> @llvm.vector.extract.v16i16.v32i16(<32 x i16> %op, i64 16)
  store <16 x i16> %ret, ptr %b
  ret void
}

define void @extract_subvector_v64i16(ptr %a, ptr %b) vscale_range(8,0) #0 {
; CHECK-LABEL: extract_subvector_v64i16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.h, vl64
; CHECK-NEXT:    ld1h { z0.h }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.h, vl32
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #64
; CHECK-NEXT:    st1h { z0.h }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <64 x i16>, ptr %a
  %ret = call <32 x i16> @llvm.vector.extract.v32i16.v64i16(<64 x i16> %op, i64 32)
  store <32 x i16> %ret, ptr %b
  ret void
}

define void @extract_subvector_v128i16(ptr %a, ptr %b) vscale_range(16,0) #0 {
; CHECK-LABEL: extract_subvector_v128i16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.h, vl128
; CHECK-NEXT:    ld1h { z0.h }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.h, vl64
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #128
; CHECK-NEXT:    st1h { z0.h }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <128 x i16>, ptr %a
  %ret = call <64 x i16> @llvm.vector.extract.v64i16.v128i16(<128 x i16> %op, i64 64)
  store <64 x i16> %ret, ptr %b
  ret void
}

; i32

; Don't use SVE for 64-bit vectors.
define <1 x i32> @extract_subvector_v2i32(<2 x i32> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v2i32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    dup v0.2s, v0.s[1]
; CHECK-NEXT:    ret
  %ret = call <1 x i32> @llvm.vector.extract.v1i32.v2i32(<2 x i32> %op, i64 1)
  ret <1 x i32> %ret
}

; Don't use SVE for 128-bit vectors.
define <2 x i32> @extract_subvector_v4i32(<4 x i32> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v4i32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ext v0.16b, v0.16b, v0.16b, #8
; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
; CHECK-NEXT:    ret
  %ret = call <2 x i32> @llvm.vector.extract.v2i32.v4i32(<4 x i32> %op, i64 2)
  ret <2 x i32> %ret
}

define void @extract_subvector_v8i32(ptr %a, ptr %b) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v8i32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.s, vl8
; CHECK-NEXT:    ld1w { z0.s }, p0/z, [x0]
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #16
; CHECK-NEXT:    str q0, [x1]
; CHECK-NEXT:    ret
  %op = load <8 x i32>, ptr %a
  %ret = call <4 x i32> @llvm.vector.extract.v4i32.v8i32(<8 x i32> %op, i64 4)
  store <4 x i32> %ret, ptr %b
  ret void
}

define void @extract_subvector_v16i32(ptr %a, ptr %b) #0 {
; VBITS_GE_256-LABEL: extract_subvector_v16i32:
; VBITS_GE_256:       // %bb.0:
; VBITS_GE_256-NEXT:    ptrue p0.s, vl8
; VBITS_GE_256-NEXT:    mov x8, #8 // =0x8
; VBITS_GE_256-NEXT:    ld1w { z0.s }, p0/z, [x0, x8, lsl #2]
; VBITS_GE_256-NEXT:    st1w { z0.s }, p0, [x1]
; VBITS_GE_256-NEXT:    ret
;
; VBITS_GE_512-LABEL: extract_subvector_v16i32:
; VBITS_GE_512:       // %bb.0:
; VBITS_GE_512-NEXT:    ptrue p0.s, vl16
; VBITS_GE_512-NEXT:    ld1w { z0.s }, p0/z, [x0]
; VBITS_GE_512-NEXT:    ptrue p0.s, vl8
; VBITS_GE_512-NEXT:    ext z0.b, z0.b, z0.b, #32
; VBITS_GE_512-NEXT:    st1w { z0.s }, p0, [x1]
; VBITS_GE_512-NEXT:    ret
  %op = load <16 x i32>, ptr %a
  %ret = call <8 x i32> @llvm.vector.extract.v8i32.v16i32(<16 x i32> %op, i64 8)
  store <8 x i32> %ret, ptr %b
  ret void
}

define void @extract_subvector_v32i32(ptr %a, ptr %b) vscale_range(8,0) #0 {
; CHECK-LABEL: extract_subvector_v32i32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.s, vl32
; CHECK-NEXT:    ld1w { z0.s }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.s, vl16
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #64
; CHECK-NEXT:    st1w { z0.s }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <32 x i32>, ptr %a
  %ret = call <16 x i32> @llvm.vector.extract.v16i32.v32i32(<32 x i32> %op, i64 16)
  store <16 x i32> %ret, ptr %b
  ret void
}

define void @extract_subvector_v64i32(ptr %a, ptr %b) vscale_range(16,0) #0 {
; CHECK-LABEL: extract_subvector_v64i32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.s, vl64
; CHECK-NEXT:    ld1w { z0.s }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.s, vl32
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #128
; CHECK-NEXT:    st1w { z0.s }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <64 x i32>, ptr %a
  %ret = call <32 x i32> @llvm.vector.extract.v32i32.v64i32(<64 x i32> %op, i64 32)
  store <32 x i32> %ret, ptr %b
  ret void
}

; i64

; Don't use SVE for 128-bit vectors.
define <1 x i64> @extract_subvector_v2i64(<2 x i64> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v2i64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ext v0.16b, v0.16b, v0.16b, #8
; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
; CHECK-NEXT:    ret
  %ret = call <1 x i64> @llvm.vector.extract.v1i64.v2i64(<2 x i64> %op, i64 1)
  ret <1 x i64> %ret
}

define void @extract_subvector_v4i64(ptr %a, ptr %b) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v4i64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.d, vl4
; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x0]
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #16
; CHECK-NEXT:    str q0, [x1]
; CHECK-NEXT:    ret
  %op = load <4 x i64>, ptr %a
  %ret = call <2 x i64> @llvm.vector.extract.v2i64.v4i64(<4 x i64> %op, i64 2)
  store <2 x i64> %ret, ptr %b
  ret void
}

define void @extract_subvector_v8i64(ptr %a, ptr %b) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v8i64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.d, vl4
; CHECK-NEXT:    mov x8, #4 // =0x4
; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x0, x8, lsl #3]
; CHECK-NEXT:    st1d { z0.d }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <8 x i64>, ptr %a
  %ret = call <4 x i64> @llvm.vector.extract.v4i64.v8i64(<8 x i64> %op, i64 4)
  store <4 x i64> %ret, ptr %b
  ret void
}

define void @extract_subvector_v16i64(ptr %a, ptr %b) #0 {
; VBITS_GE_256-LABEL: extract_subvector_v16i64:
; VBITS_GE_256:       // %bb.0:
; VBITS_GE_256-NEXT:    ptrue p0.d, vl4
; VBITS_GE_256-NEXT:    mov x8, #12 // =0xc
; VBITS_GE_256-NEXT:    mov x9, #8 // =0x8
; VBITS_GE_256-NEXT:    ld1d { z0.d }, p0/z, [x0, x8, lsl #3]
; VBITS_GE_256-NEXT:    ld1d { z1.d }, p0/z, [x0, x9, lsl #3]
; VBITS_GE_256-NEXT:    mov x8, #4 // =0x4
; VBITS_GE_256-NEXT:    st1d { z0.d }, p0, [x1, x8, lsl #3]
; VBITS_GE_256-NEXT:    st1d { z1.d }, p0, [x1]
; VBITS_GE_256-NEXT:    ret
  %op = load <16 x i64>, ptr %a
  %ret = call <8 x i64> @llvm.vector.extract.v8i64.v16i64(<16 x i64> %op, i64 8)
  store <8 x i64> %ret, ptr %b
  ret void
}

define void @extract_subvector_v32i64(ptr %a, ptr %b) vscale_range(8,0) #0 {
; CHECK-LABEL: extract_subvector_v32i64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.d, vl16
; CHECK-NEXT:    mov x8, #16 // =0x10
; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x0, x8, lsl #3]
; CHECK-NEXT:    st1d { z0.d }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <32 x i64>, ptr %a
  %ret = call <16 x i64> @llvm.vector.extract.v16i64.v32i64(<32 x i64> %op, i64 16)
  store <16 x i64> %ret, ptr %b
  ret void
}

; f16

; Don't use SVE for 64-bit vectors.
define <2 x half> @extract_subvector_v4f16(<4 x half> %op) vscale_range(16,0) #0 {
; CHECK-LABEL: extract_subvector_v4f16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    dup v0.2s, v0.s[1]
; CHECK-NEXT:    ret
  %ret = call <2 x half> @llvm.vector.extract.v2f16.v4f16(<4 x half> %op, i64 2)
  ret <2 x half> %ret
}

; Don't use SVE for 128-bit vectors.
define <4 x half> @extract_subvector_v8f16(<8 x half> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v8f16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ext v0.16b, v0.16b, v0.16b, #8
; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
; CHECK-NEXT:    ret
  %ret = call <4 x half> @llvm.vector.extract.v4f16.v8f16(<8 x half> %op, i64 4)
  ret <4 x half> %ret
}

define void @extract_subvector_v16f16(ptr %a, ptr %b) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v16f16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.h, vl16
; CHECK-NEXT:    ld1h { z0.h }, p0/z, [x0]
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #16
; CHECK-NEXT:    str q0, [x1]
; CHECK-NEXT:    ret
  %op = load <16 x half>, ptr %a
  %ret = call <8 x half> @llvm.vector.extract.v8f16.v16f16(<16 x half> %op, i64 8)
  store <8 x half> %ret, ptr %b
  ret void
}

define void @extract_subvector_v32f16(ptr %a, ptr %b) #0 {
; VBITS_GE_256-LABEL: extract_subvector_v32f16:
; VBITS_GE_256:       // %bb.0:
; VBITS_GE_256-NEXT:    ptrue p0.h, vl16
; VBITS_GE_256-NEXT:    mov x8, #16 // =0x10
; VBITS_GE_256-NEXT:    ld1h { z0.h }, p0/z, [x0, x8, lsl #1]
; VBITS_GE_256-NEXT:    st1h { z0.h }, p0, [x1]
; VBITS_GE_256-NEXT:    ret
;
; VBITS_GE_512-LABEL: extract_subvector_v32f16:
; VBITS_GE_512:       // %bb.0:
; VBITS_GE_512-NEXT:    ptrue p0.h, vl32
; VBITS_GE_512-NEXT:    ld1h { z0.h }, p0/z, [x0]
; VBITS_GE_512-NEXT:    ptrue p0.h, vl16
; VBITS_GE_512-NEXT:    ext z0.b, z0.b, z0.b, #32
; VBITS_GE_512-NEXT:    st1h { z0.h }, p0, [x1]
; VBITS_GE_512-NEXT:    ret
  %op = load <32 x half>, ptr %a
  %ret = call <16 x half> @llvm.vector.extract.v16f16.v32f16(<32 x half> %op, i64 16)
  store <16 x half> %ret, ptr %b
  ret void
}

define void @extract_subvector_v64f16(ptr %a, ptr %b) vscale_range(8,0) #0 {
; CHECK-LABEL: extract_subvector_v64f16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.h, vl64
; CHECK-NEXT:    ld1h { z0.h }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.h, vl32
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #64
; CHECK-NEXT:    st1h { z0.h }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <64 x half>, ptr %a
  %ret = call <32 x half> @llvm.vector.extract.v32f16.v64f16(<64 x half> %op, i64 32)
  store <32 x half> %ret, ptr %b
  ret void
}

define void @extract_subvector_v128f16(ptr %a, ptr %b) vscale_range(16,0) #0 {
; CHECK-LABEL: extract_subvector_v128f16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.h, vl128
; CHECK-NEXT:    ld1h { z0.h }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.h, vl64
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #128
; CHECK-NEXT:    st1h { z0.h }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <128 x half>, ptr %a
  %ret = call <64 x half> @llvm.vector.extract.v64f16.v128f16(<128 x half> %op, i64 64)
  store <64 x half> %ret, ptr %b
  ret void
}

; f32

; Don't use SVE for 64-bit vectors.
define <1 x float> @extract_subvector_v2f32(<2 x float> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v2f32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT:    dup v0.2s, v0.s[1]
; CHECK-NEXT:    ret
  %ret = call <1 x float> @llvm.vector.extract.v1f32.v2f32(<2 x float> %op, i64 1)
  ret <1 x float> %ret
}

; Don't use SVE for 128-bit vectors.
define <2 x float> @extract_subvector_v4f32(<4 x float> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v4f32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ext v0.16b, v0.16b, v0.16b, #8
; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
; CHECK-NEXT:    ret
  %ret = call <2 x float> @llvm.vector.extract.v2f32.v4f32(<4 x float> %op, i64 2)
  ret <2 x float> %ret
}

define void @extract_subvector_v8f32(ptr %a, ptr %b) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v8f32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.s, vl8
; CHECK-NEXT:    ld1w { z0.s }, p0/z, [x0]
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #16
; CHECK-NEXT:    str q0, [x1]
; CHECK-NEXT:    ret
  %op = load <8 x float>, ptr %a
  %ret = call <4 x float> @llvm.vector.extract.v4f32.v8f32(<8 x float> %op, i64 4)
  store <4 x float> %ret, ptr %b
  ret void
}

define void @extract_subvector_v16f32(ptr %a, ptr %b) #0 {
; VBITS_GE_256-LABEL: extract_subvector_v16f32:
; VBITS_GE_256:       // %bb.0:
; VBITS_GE_256-NEXT:    ptrue p0.s, vl8
; VBITS_GE_256-NEXT:    mov x8, #8 // =0x8
; VBITS_GE_256-NEXT:    ld1w { z0.s }, p0/z, [x0, x8, lsl #2]
; VBITS_GE_256-NEXT:    st1w { z0.s }, p0, [x1]
; VBITS_GE_256-NEXT:    ret
;
; VBITS_GE_512-LABEL: extract_subvector_v16f32:
; VBITS_GE_512:       // %bb.0:
; VBITS_GE_512-NEXT:    ptrue p0.s, vl16
; VBITS_GE_512-NEXT:    ld1w { z0.s }, p0/z, [x0]
; VBITS_GE_512-NEXT:    ptrue p0.s, vl8
; VBITS_GE_512-NEXT:    ext z0.b, z0.b, z0.b, #32
; VBITS_GE_512-NEXT:    st1w { z0.s }, p0, [x1]
; VBITS_GE_512-NEXT:    ret
  %op = load <16 x float>, ptr %a
  %ret = call <8 x float> @llvm.vector.extract.v8f32.v16f32(<16 x float> %op, i64 8)
  store <8 x float> %ret, ptr %b
  ret void
}

define void @extract_subvector_v32f32(ptr %a, ptr %b) vscale_range(8,0) #0 {
; CHECK-LABEL: extract_subvector_v32f32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.s, vl32
; CHECK-NEXT:    ld1w { z0.s }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.s, vl16
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #64
; CHECK-NEXT:    st1w { z0.s }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <32 x float>, ptr %a
  %ret = call <16 x float> @llvm.vector.extract.v16f32.v32f32(<32 x float> %op, i64 16)
  store <16 x float> %ret, ptr %b
  ret void
}

define void @extract_subvector_v64f32(ptr %a, ptr %b) vscale_range(16,0) #0 {
; CHECK-LABEL: extract_subvector_v64f32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.s, vl64
; CHECK-NEXT:    ld1w { z0.s }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.s, vl32
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #128
; CHECK-NEXT:    st1w { z0.s }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <64 x float>, ptr %a
  %ret = call <32 x float> @llvm.vector.extract.v32f32.v64f32(<64 x float> %op, i64 32)
  store <32 x float> %ret, ptr %b
  ret void
}

; f64

; Don't use SVE for 128-bit vectors.
define <1 x double> @extract_subvector_v2f64(<2 x double> %op) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v2f64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ext v0.16b, v0.16b, v0.16b, #8
; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
; CHECK-NEXT:    ret
  %ret = call <1 x double> @llvm.vector.extract.v1f64.v2f64(<2 x double> %op, i64 1)
  ret <1 x double> %ret
}

define void @extract_subvector_v4f64(ptr %a, ptr %b) vscale_range(2,0) #0 {
; CHECK-LABEL: extract_subvector_v4f64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.d, vl4
; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x0]
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #16
; CHECK-NEXT:    str q0, [x1]
; CHECK-NEXT:    ret
  %op = load <4 x double>, ptr %a
  %ret = call <2 x double> @llvm.vector.extract.v2f64.v4f64(<4 x double> %op, i64 2)
  store <2 x double> %ret, ptr %b
  ret void
}

define void @extract_subvector_v8f64(ptr %a, ptr %b) #0 {
; VBITS_GE_256-LABEL: extract_subvector_v8f64:
; VBITS_GE_256:       // %bb.0:
; VBITS_GE_256-NEXT:    ptrue p0.d, vl4
; VBITS_GE_256-NEXT:    mov x8, #4 // =0x4
; VBITS_GE_256-NEXT:    ld1d { z0.d }, p0/z, [x0, x8, lsl #3]
; VBITS_GE_256-NEXT:    st1d { z0.d }, p0, [x1]
; VBITS_GE_256-NEXT:    ret
;
; VBITS_GE_512-LABEL: extract_subvector_v8f64:
; VBITS_GE_512:       // %bb.0:
; VBITS_GE_512-NEXT:    ptrue p0.d, vl8
; VBITS_GE_512-NEXT:    ld1d { z0.d }, p0/z, [x0]
; VBITS_GE_512-NEXT:    ptrue p0.d, vl4
; VBITS_GE_512-NEXT:    ext z0.b, z0.b, z0.b, #32
; VBITS_GE_512-NEXT:    st1d { z0.d }, p0, [x1]
; VBITS_GE_512-NEXT:    ret
  %op = load <8 x double>, ptr %a
  %ret = call <4 x double> @llvm.vector.extract.v4f64.v8f64(<8 x double> %op, i64 4)
  store <4 x double> %ret, ptr %b
  ret void
}

define void @extract_subvector_v16f64(ptr %a, ptr %b) vscale_range(8,0) #0 {
; CHECK-LABEL: extract_subvector_v16f64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.d, vl16
; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.d, vl8
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #64
; CHECK-NEXT:    st1d { z0.d }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <16 x double>, ptr %a
  %ret = call <8 x double> @llvm.vector.extract.v8f64.v16f64(<16 x double> %op, i64 8)
  store <8 x double> %ret, ptr %b
  ret void
}

define void @extract_subvector_v32f64(ptr %a, ptr %b) vscale_range(16,0) #0 {
; CHECK-LABEL: extract_subvector_v32f64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.d, vl32
; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x0]
; CHECK-NEXT:    ptrue p0.d, vl16
; CHECK-NEXT:    ext z0.b, z0.b, z0.b, #128
; CHECK-NEXT:    st1d { z0.d }, p0, [x1]
; CHECK-NEXT:    ret
  %op = load <32 x double>, ptr %a
  %ret = call <16 x double> @llvm.vector.extract.v16f64.v32f64(<32 x double> %op, i64 16)
  store <16 x double> %ret, ptr %b
  ret void
}

; Test for infinite loop due to fold:
; extract_subvector(insert_subvector(x,y,c1),c2)--> extract_subvector(y,c2-c1)
define void @extract_subvector_legalization_v8i32() vscale_range(2,2) #0 {
; CHECK-LABEL: extract_subvector_legalization_v8i32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.s
; CHECK-NEXT:    adrp x8, .LCPI40_0
; CHECK-NEXT:    add x8, x8, :lo12:.LCPI40_0
; CHECK-NEXT:    movi v2.2d, #0000000000000000
; CHECK-NEXT:    ptrue p1.d
; CHECK-NEXT:    ld1w { z0.s }, p0/z, [x8]
; CHECK-NEXT:    mov z1.d, z0.d
; CHECK-NEXT:    ext z1.b, z1.b, z0.b, #16
; CHECK-NEXT:    cmeq v0.4s, v0.4s, v2.4s
; CHECK-NEXT:    cmeq v1.4s, v1.4s, v2.4s
; CHECK-NEXT:    sunpklo z0.d, z0.s
; CHECK-NEXT:    sunpklo z1.d, z1.s
; CHECK-NEXT:    cmpne p0.d, p1/z, z1.d, #0
; CHECK-NEXT:    cmpne p1.d, p1/z, z0.d, #0
; CHECK-NEXT:  .LBB40_1: // %body
; CHECK-NEXT:    // =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    st1d { z0.d }, p1, [x8]
; CHECK-NEXT:    st1d { z0.d }, p0, [x8]
; CHECK-NEXT:    b .LBB40_1
entry:
  %splat = shufflevector <8 x i32> poison, <8 x i32> poison, <8 x i32> zeroinitializer
  br label %body
body:
  %0 = icmp eq <8 x i32> zeroinitializer, %splat
  tail call void @llvm.masked.store.v8f64.p0(<8 x double> poison, ptr poison, i32 8, <8 x i1> %0)
  br label %body
}
declare void @llvm.masked.store.v8f64.p0(<8 x double>, ptr nocapture, i32 immarg, <8 x i1>)

declare <4 x i8> @llvm.vector.extract.v4i8.v8i8(<8 x i8>, i64)
declare <8 x i8> @llvm.vector.extract.v8i8.v16i8(<16 x i8>, i64)
declare <16 x i8> @llvm.vector.extract.v16i8.v32i8(<32 x i8>, i64)
declare <32 x i8> @llvm.vector.extract.v32i8.v64i8(<64 x i8>, i64)
declare <64 x i8> @llvm.vector.extract.v64i8.v128i8(<128 x i8>, i64)
declare <128 x i8> @llvm.vector.extract.v128i8.v256i8(<256 x i8>, i64)

declare <2 x i16> @llvm.vector.extract.v2i16.v4i16(<4 x i16>, i64)
declare <4 x i16> @llvm.vector.extract.v4i16.v8i16(<8 x i16>, i64)
declare <8 x i16> @llvm.vector.extract.v8i16.v16i16(<16 x i16>, i64)
declare <16 x i16> @llvm.vector.extract.v16i16.v32i16(<32 x i16>, i64)
declare <32 x i16> @llvm.vector.extract.v32i16.v64i16(<64 x i16>, i64)
declare <64 x i16> @llvm.vector.extract.v64i16.v128i16(<128 x i16>, i64)

declare <1 x i32> @llvm.vector.extract.v1i32.v2i32(<2 x i32>, i64)
declare <2 x i32> @llvm.vector.extract.v2i32.v4i32(<4 x i32>, i64)
declare <4 x i32> @llvm.vector.extract.v4i32.v8i32(<8 x i32>, i64)
declare <8 x i32> @llvm.vector.extract.v8i32.v16i32(<16 x i32>, i64)
declare <16 x i32> @llvm.vector.extract.v16i32.v32i32(<32 x i32>, i64)
declare <32 x i32> @llvm.vector.extract.v32i32.v64i32(<64 x i32>, i64)

declare <1 x i64> @llvm.vector.extract.v1i64.v2i64(<2 x i64>, i64)
declare <2 x i64> @llvm.vector.extract.v2i64.v4i64(<4 x i64>, i64)
declare <4 x i64> @llvm.vector.extract.v4i64.v8i64(<8 x i64>, i64)
declare <8 x i64> @llvm.vector.extract.v8i64.v16i64(<16 x i64>, i64)
declare <16 x i64> @llvm.vector.extract.v16i64.v32i64(<32 x i64>, i64)

declare <2 x half> @llvm.vector.extract.v2f16.v4f16(<4 x half>, i64)
declare <4 x half> @llvm.vector.extract.v4f16.v8f16(<8 x half>, i64)
declare <8 x half> @llvm.vector.extract.v8f16.v16f16(<16 x half>, i64)
declare <16 x half> @llvm.vector.extract.v16f16.v32f16(<32 x half>, i64)
declare <32 x half> @llvm.vector.extract.v32f16.v64f16(<64 x half>, i64)
declare <64 x half> @llvm.vector.extract.v64f16.v128f16(<128 x half>, i64)

declare <1 x float> @llvm.vector.extract.v1f32.v2f32(<2 x float>, i64)
declare <2 x float> @llvm.vector.extract.v2f32.v4f32(<4 x float>, i64)
declare <4 x float> @llvm.vector.extract.v4f32.v8f32(<8 x float>, i64)
declare <8 x float> @llvm.vector.extract.v8f32.v16f32(<16 x float>, i64)
declare <16 x float> @llvm.vector.extract.v16f32.v32f32(<32 x float>, i64)
declare <32 x float> @llvm.vector.extract.v32f32.v64f32(<64 x float>, i64)

declare <1 x double> @llvm.vector.extract.v1f64.v2f64(<2 x double>, i64)
declare <2 x double> @llvm.vector.extract.v2f64.v4f64(<4 x double>, i64)
declare <4 x double> @llvm.vector.extract.v4f64.v8f64(<8 x double>, i64)
declare <8 x double> @llvm.vector.extract.v8f64.v16f64(<16 x double>, i64)
declare <16 x double> @llvm.vector.extract.v16f64.v32f64(<32 x double>, i64)

attributes #0 = { "target-features"="+sve" }