test/CodeGen/AArch64/sve-fixed-length-fp-select.ll - llvm-project/llvm - Git at Google

 ; 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"

 ; Don't use SVE for 64-bit vectors.
 define <4 x half> @select_v4f16(<4 x half> %op1, <4 x half> %op2, i1 %mask) vscale_range(2,0) #0 {
 ; CHECK-LABEL: select_v4f16:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    tst w0, #0x1
 ; CHECK-NEXT:    csetm w8, ne
 ; CHECK-NEXT:    dup v2.4h, w8
 ; CHECK-NEXT:    bif v0.8b, v1.8b, v2.8b
 ; CHECK-NEXT:    ret
   %sel = select i1 %mask, <4 x half> %op1, <4 x half> %op2
   ret <4 x half> %sel
 }

 ; Don't use SVE for 128-bit vectors.
 define <8 x half> @select_v8f16(<8 x half> %op1, <8 x half> %op2, i1 %mask) vscale_range(2,0) #0 {
 ; CHECK-LABEL: select_v8f16:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    tst w0, #0x1
 ; CHECK-NEXT:    csetm w8, ne
 ; CHECK-NEXT:    dup v2.8h, w8
 ; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
 ; CHECK-NEXT:    ret
   %sel = select i1 %mask, <8 x half> %op1, <8 x half> %op2
   ret <8 x half> %sel
 }

 define void @select_v16f16(ptr %a, ptr %b, i1 %mask) vscale_range(2,0) #0 {
 ; CHECK-LABEL: select_v16f16:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    mov z0.h, w2
 ; CHECK-NEXT:    ptrue p0.h
 ; CHECK-NEXT:    ptrue p1.h, vl16
 ; CHECK-NEXT:    and z0.h, z0.h, #0x1
 ; CHECK-NEXT:    cmpne p0.h, p0/z, z0.h, #0
 ; CHECK-NEXT:    ld1h { z0.h }, p1/z, [x0]
 ; CHECK-NEXT:    ld1h { z1.h }, p1/z, [x1]
 ; CHECK-NEXT:    sel z0.h, p0, z0.h, z1.h
 ; CHECK-NEXT:    st1h { z0.h }, p1, [x0]
 ; CHECK-NEXT:    ret
   %op1 = load volatile <16 x half>, ptr %a
   %op2 = load volatile <16 x half>, ptr %b
   %sel = select i1 %mask, <16 x half> %op1, <16 x half> %op2
   store <16 x half> %sel, ptr %a
   ret void
 }

 define void @select_v32f16(ptr %a, ptr %b, i1 %mask) #0 {
 ; VBITS_GE_256-LABEL: select_v32f16:
 ; VBITS_GE_256:       // %bb.0:
 ; VBITS_GE_256-NEXT:    mov z0.h, w2
 ; VBITS_GE_256-NEXT:    ptrue p0.h
 ; VBITS_GE_256-NEXT:    mov x8, #16 // =0x10
 ; VBITS_GE_256-NEXT:    ptrue p1.h, vl16
 ; VBITS_GE_256-NEXT:    and z0.h, z0.h, #0x1
 ; VBITS_GE_256-NEXT:    cmpne p0.h, p0/z, z0.h, #0
 ; VBITS_GE_256-NEXT:    ld1h { z0.h }, p1/z, [x0, x8, lsl #1]
 ; VBITS_GE_256-NEXT:    ld1h { z1.h }, p1/z, [x0]
 ; VBITS_GE_256-NEXT:    ld1h { z2.h }, p1/z, [x1, x8, lsl #1]
 ; VBITS_GE_256-NEXT:    ld1h { z3.h }, p1/z, [x1]
 ; VBITS_GE_256-NEXT:    sel z0.h, p0, z0.h, z2.h
 ; VBITS_GE_256-NEXT:    sel z1.h, p0, z1.h, z3.h
 ; VBITS_GE_256-NEXT:    st1h { z0.h }, p1, [x0, x8, lsl #1]
 ; VBITS_GE_256-NEXT:    st1h { z1.h }, p1, [x0]
 ; VBITS_GE_256-NEXT:    ret
 ;
 ; VBITS_GE_512-LABEL: select_v32f16:
 ; VBITS_GE_512:       // %bb.0:
 ; VBITS_GE_512-NEXT:    mov z0.h, w2
 ; VBITS_GE_512-NEXT:    ptrue p0.h
 ; VBITS_GE_512-NEXT:    ptrue p1.h, vl32
 ; VBITS_GE_512-NEXT:    and z0.h, z0.h, #0x1
 ; VBITS_GE_512-NEXT:    cmpne p0.h, p0/z, z0.h, #0
 ; VBITS_GE_512-NEXT:    ld1h { z0.h }, p1/z, [x0]
 ; VBITS_GE_512-NEXT:    ld1h { z1.h }, p1/z, [x1]
 ; VBITS_GE_512-NEXT:    sel z0.h, p0, z0.h, z1.h
 ; VBITS_GE_512-NEXT:    st1h { z0.h }, p1, [x0]
 ; VBITS_GE_512-NEXT:    ret
   %op1 = load volatile <32 x half>, ptr %a
   %op2 = load volatile <32 x half>, ptr %b
   %sel = select i1 %mask, <32 x half> %op1, <32 x half> %op2
   store <32 x half> %sel, ptr %a
   ret void
 }

 define void @select_v64f16(ptr %a, ptr %b, i1 %mask) vscale_range(8,0) #0 {
 ; CHECK-LABEL: select_v64f16:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    mov z0.h, w2
 ; CHECK-NEXT:    ptrue p0.h
 ; CHECK-NEXT:    ptrue p1.h, vl64
 ; CHECK-NEXT:    and z0.h, z0.h, #0x1
 ; CHECK-NEXT:    cmpne p0.h, p0/z, z0.h, #0
 ; CHECK-NEXT:    ld1h { z0.h }, p1/z, [x0]
 ; CHECK-NEXT:    ld1h { z1.h }, p1/z, [x1]
 ; CHECK-NEXT:    sel z0.h, p0, z0.h, z1.h
 ; CHECK-NEXT:    st1h { z0.h }, p1, [x0]
 ; CHECK-NEXT:    ret
   %op1 = load volatile <64 x half>, ptr %a
   %op2 = load volatile <64 x half>, ptr %b
   %sel = select i1 %mask, <64 x half> %op1, <64 x half> %op2
   store <64 x half> %sel, ptr %a
   ret void
 }

 define void @select_v128f16(ptr %a, ptr %b, i1 %mask) vscale_range(16,0) #0 {
 ; CHECK-LABEL: select_v128f16:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    mov z0.h, w2
 ; CHECK-NEXT:    ptrue p0.h
 ; CHECK-NEXT:    ptrue p1.h, vl128
 ; CHECK-NEXT:    and z0.h, z0.h, #0x1
 ; CHECK-NEXT:    cmpne p0.h, p0/z, z0.h, #0
 ; CHECK-NEXT:    ld1h { z0.h }, p1/z, [x0]
 ; CHECK-NEXT:    ld1h { z1.h }, p1/z, [x1]
 ; CHECK-NEXT:    sel z0.h, p0, z0.h, z1.h
 ; CHECK-NEXT:    st1h { z0.h }, p1, [x0]
 ; CHECK-NEXT:    ret
   %op1 = load volatile <128 x half>, ptr %a
   %op2 = load volatile <128 x half>, ptr %b
   %sel = select i1 %mask, <128 x half> %op1, <128 x half> %op2
   store <128 x half> %sel, ptr %a
   ret void
 }

 ; Don't use SVE for 64-bit vectors.
 define <2 x float> @select_v2f32(<2 x float> %op1, <2 x float> %op2, i1 %mask) vscale_range(2,0) #0 {
 ; CHECK-LABEL: select_v2f32:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    tst w0, #0x1
 ; CHECK-NEXT:    csetm w8, ne
 ; CHECK-NEXT:    dup v2.2s, w8
 ; CHECK-NEXT:    bif v0.8b, v1.8b, v2.8b
 ; CHECK-NEXT:    ret
   %sel = select i1 %mask, <2 x float> %op1, <2 x float> %op2
   ret <2 x float> %sel
 }

 ; Don't use SVE for 128-bit vectors.
 define <4 x float> @select_v4f32(<4 x float> %op1, <4 x float> %op2, i1 %mask) vscale_range(2,0) #0 {
 ; CHECK-LABEL: select_v4f32:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    tst w0, #0x1
 ; CHECK-NEXT:    csetm w8, ne
 ; CHECK-NEXT:    dup v2.4s, w8
 ; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
 ; CHECK-NEXT:    ret
   %sel = select i1 %mask, <4 x float> %op1, <4 x float> %op2
   ret <4 x float> %sel
 }

 define void @select_v8f32(ptr %a, ptr %b, i1 %mask) vscale_range(2,0) #0 {
 ; CHECK-LABEL: select_v8f32:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    and w8, w2, #0x1
 ; CHECK-NEXT:    ptrue p0.s
 ; CHECK-NEXT:    mov z0.s, w8
 ; CHECK-NEXT:    ptrue p1.s, vl8
 ; CHECK-NEXT:    cmpne p0.s, p0/z, z0.s, #0
 ; CHECK-NEXT:    ld1w { z0.s }, p1/z, [x0]
 ; CHECK-NEXT:    ld1w { z1.s }, p1/z, [x1]
 ; CHECK-NEXT:    sel z0.s, p0, z0.s, z1.s
 ; CHECK-NEXT:    st1w { z0.s }, p1, [x0]
 ; CHECK-NEXT:    ret
   %op1 = load volatile <8 x float>, ptr %a
   %op2 = load volatile <8 x float>, ptr %b
   %sel = select i1 %mask, <8 x float> %op1, <8 x float> %op2
   store <8 x float> %sel, ptr %a
   ret void
 }

 define void @select_v16f32(ptr %a, ptr %b, i1 %mask) #0 {
 ; VBITS_GE_256-LABEL: select_v16f32:
 ; VBITS_GE_256:       // %bb.0:
 ; VBITS_GE_256-NEXT:    and w8, w2, #0x1
 ; VBITS_GE_256-NEXT:    ptrue p0.s
 ; VBITS_GE_256-NEXT:    mov z0.s, w8
 ; VBITS_GE_256-NEXT:    ptrue p1.s, vl8
 ; VBITS_GE_256-NEXT:    mov x8, #8 // =0x8
 ; VBITS_GE_256-NEXT:    cmpne p0.s, p0/z, z0.s, #0
 ; VBITS_GE_256-NEXT:    ld1w { z0.s }, p1/z, [x0, x8, lsl #2]
 ; VBITS_GE_256-NEXT:    ld1w { z1.s }, p1/z, [x0]
 ; VBITS_GE_256-NEXT:    ld1w { z2.s }, p1/z, [x1, x8, lsl #2]
 ; VBITS_GE_256-NEXT:    ld1w { z3.s }, p1/z, [x1]
 ; VBITS_GE_256-NEXT:    sel z0.s, p0, z0.s, z2.s
 ; VBITS_GE_256-NEXT:    sel z1.s, p0, z1.s, z3.s
 ; VBITS_GE_256-NEXT:    st1w { z0.s }, p1, [x0, x8, lsl #2]
 ; VBITS_GE_256-NEXT:    st1w { z1.s }, p1, [x0]
 ; VBITS_GE_256-NEXT:    ret
 ;
 ; VBITS_GE_512-LABEL: select_v16f32:
 ; VBITS_GE_512:       // %bb.0:
 ; VBITS_GE_512-NEXT:    and w8, w2, #0x1
 ; VBITS_GE_512-NEXT:    ptrue p0.s
 ; VBITS_GE_512-NEXT:    mov z0.s, w8
 ; VBITS_GE_512-NEXT:    ptrue p1.s, vl16
 ; VBITS_GE_512-NEXT:    cmpne p0.s, p0/z, z0.s, #0
 ; VBITS_GE_512-NEXT:    ld1w { z0.s }, p1/z, [x0]
 ; VBITS_GE_512-NEXT:    ld1w { z1.s }, p1/z, [x1]
 ; VBITS_GE_512-NEXT:    sel z0.s, p0, z0.s, z1.s
 ; VBITS_GE_512-NEXT:    st1w { z0.s }, p1, [x0]
 ; VBITS_GE_512-NEXT:    ret
   %op1 = load volatile <16 x float>, ptr %a
   %op2 = load volatile <16 x float>, ptr %b
   %sel = select i1 %mask, <16 x float> %op1, <16 x float> %op2
   store <16 x float> %sel, ptr %a
   ret void
 }

 define void @select_v32f32(ptr %a, ptr %b, i1 %mask) vscale_range(8,0) #0 {
 ; CHECK-LABEL: select_v32f32:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    and w8, w2, #0x1
 ; CHECK-NEXT:    ptrue p0.s
 ; CHECK-NEXT:    mov z0.s, w8
 ; CHECK-NEXT:    ptrue p1.s, vl32
 ; CHECK-NEXT:    cmpne p0.s, p0/z, z0.s, #0
 ; CHECK-NEXT:    ld1w { z0.s }, p1/z, [x0]
 ; CHECK-NEXT:    ld1w { z1.s }, p1/z, [x1]
 ; CHECK-NEXT:    sel z0.s, p0, z0.s, z1.s
 ; CHECK-NEXT:    st1w { z0.s }, p1, [x0]
 ; CHECK-NEXT:    ret
   %op1 = load volatile <32 x float>, ptr %a
   %op2 = load volatile <32 x float>, ptr %b
   %sel = select i1 %mask, <32 x float> %op1, <32 x float> %op2
   store <32 x float> %sel, ptr %a
   ret void
 }

 define void @select_v64f32(ptr %a, ptr %b, i1 %mask) vscale_range(16,0) #0 {
 ; CHECK-LABEL: select_v64f32:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    and w8, w2, #0x1
 ; CHECK-NEXT:    ptrue p0.s
 ; CHECK-NEXT:    mov z0.s, w8
 ; CHECK-NEXT:    ptrue p1.s, vl64
 ; CHECK-NEXT:    cmpne p0.s, p0/z, z0.s, #0
 ; CHECK-NEXT:    ld1w { z0.s }, p1/z, [x0]
 ; CHECK-NEXT:    ld1w { z1.s }, p1/z, [x1]
 ; CHECK-NEXT:    sel z0.s, p0, z0.s, z1.s
 ; CHECK-NEXT:    st1w { z0.s }, p1, [x0]
 ; CHECK-NEXT:    ret
   %op1 = load volatile <64 x float>, ptr %a
   %op2 = load volatile <64 x float>, ptr %b
   %sel = select i1 %mask, <64 x float> %op1, <64 x float> %op2
   store <64 x float> %sel, ptr %a
   ret void
 }

 ; Don't use SVE for 64-bit vectors.
 define <1 x double> @select_v1f64(<1 x double> %op1, <1 x double> %op2, i1 %mask) vscale_range(2,0) #0 {
 ; CHECK-LABEL: select_v1f64:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    tst w0, #0x1
 ; CHECK-NEXT:    csetm x8, ne
 ; CHECK-NEXT:    fmov d2, x8
 ; CHECK-NEXT:    bif v0.8b, v1.8b, v2.8b
 ; CHECK-NEXT:    ret
   %sel = select i1 %mask, <1 x double> %op1, <1 x double> %op2
   ret <1 x double> %sel
 }

 ; Don't use SVE for 128-bit vectors.
 define <2 x double> @select_v2f64(<2 x double> %op1, <2 x double> %op2, i1 %mask) vscale_range(2,0) #0 {
 ; CHECK-LABEL: select_v2f64:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    tst w0, #0x1
 ; CHECK-NEXT:    csetm x8, ne
 ; CHECK-NEXT:    dup v2.2d, x8
 ; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
 ; CHECK-NEXT:    ret
   %sel = select i1 %mask, <2 x double> %op1, <2 x double> %op2
   ret <2 x double> %sel
 }

 define void @select_v4f64(ptr %a, ptr %b, i1 %mask) vscale_range(2,0) #0 {
 ; CHECK-LABEL: select_v4f64:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    // kill: def $w2 killed $w2 def $x2
 ; CHECK-NEXT:    and x8, x2, #0x1
 ; CHECK-NEXT:    ptrue p0.d
 ; CHECK-NEXT:    mov z0.d, x8
 ; CHECK-NEXT:    ptrue p1.d, vl4
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1d { z0.d }, p1/z, [x0]
 ; CHECK-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; CHECK-NEXT:    sel z0.d, p0, z0.d, z1.d
 ; CHECK-NEXT:    st1d { z0.d }, p1, [x0]
 ; CHECK-NEXT:    ret
   %op1 = load volatile <4 x double>, ptr %a
   %op2 = load volatile <4 x double>, ptr %b
   %sel = select i1 %mask, <4 x double> %op1, <4 x double> %op2
   store <4 x double> %sel, ptr %a
   ret void
 }

 define void @select_v8f64(ptr %a, ptr %b, i1 %mask) #0 {
 ; VBITS_GE_256-LABEL: select_v8f64:
 ; VBITS_GE_256:       // %bb.0:
 ; VBITS_GE_256-NEXT:    // kill: def $w2 killed $w2 def $x2
 ; VBITS_GE_256-NEXT:    and x8, x2, #0x1
 ; VBITS_GE_256-NEXT:    ptrue p0.d
 ; VBITS_GE_256-NEXT:    mov z0.d, x8
 ; VBITS_GE_256-NEXT:    ptrue p1.d, vl4
 ; VBITS_GE_256-NEXT:    mov x8, #4 // =0x4
 ; VBITS_GE_256-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; VBITS_GE_256-NEXT:    ld1d { z0.d }, p1/z, [x0, x8, lsl #3]
 ; VBITS_GE_256-NEXT:    ld1d { z1.d }, p1/z, [x0]
 ; VBITS_GE_256-NEXT:    ld1d { z2.d }, p1/z, [x1, x8, lsl #3]
 ; VBITS_GE_256-NEXT:    ld1d { z3.d }, p1/z, [x1]
 ; VBITS_GE_256-NEXT:    sel z0.d, p0, z0.d, z2.d
 ; VBITS_GE_256-NEXT:    sel z1.d, p0, z1.d, z3.d
 ; VBITS_GE_256-NEXT:    st1d { z0.d }, p1, [x0, x8, lsl #3]
 ; VBITS_GE_256-NEXT:    st1d { z1.d }, p1, [x0]
 ; VBITS_GE_256-NEXT:    ret
 ;
 ; VBITS_GE_512-LABEL: select_v8f64:
 ; VBITS_GE_512:       // %bb.0:
 ; VBITS_GE_512-NEXT:    // kill: def $w2 killed $w2 def $x2
 ; VBITS_GE_512-NEXT:    and x8, x2, #0x1
 ; VBITS_GE_512-NEXT:    ptrue p0.d
 ; VBITS_GE_512-NEXT:    mov z0.d, x8
 ; VBITS_GE_512-NEXT:    ptrue p1.d, vl8
 ; VBITS_GE_512-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; VBITS_GE_512-NEXT:    ld1d { z0.d }, p1/z, [x0]
 ; VBITS_GE_512-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_512-NEXT:    sel z0.d, p0, z0.d, z1.d
 ; VBITS_GE_512-NEXT:    st1d { z0.d }, p1, [x0]
 ; VBITS_GE_512-NEXT:    ret
   %op1 = load volatile <8 x double>, ptr %a
   %op2 = load volatile <8 x double>, ptr %b
   %sel = select i1 %mask, <8 x double> %op1, <8 x double> %op2
   store <8 x double> %sel, ptr %a
   ret void
 }

 define void @select_v16f64(ptr %a, ptr %b, i1 %mask) vscale_range(8,0) #0 {
 ; CHECK-LABEL: select_v16f64:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    // kill: def $w2 killed $w2 def $x2
 ; CHECK-NEXT:    and x8, x2, #0x1
 ; CHECK-NEXT:    ptrue p0.d
 ; CHECK-NEXT:    mov z0.d, x8
 ; CHECK-NEXT:    ptrue p1.d, vl16
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1d { z0.d }, p1/z, [x0]
 ; CHECK-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; CHECK-NEXT:    sel z0.d, p0, z0.d, z1.d
 ; CHECK-NEXT:    st1d { z0.d }, p1, [x0]
 ; CHECK-NEXT:    ret
   %op1 = load volatile <16 x double>, ptr %a
   %op2 = load volatile <16 x double>, ptr %b
   %sel = select i1 %mask, <16 x double> %op1, <16 x double> %op2
   store <16 x double> %sel, ptr %a
   ret void
 }

 define void @select_v32f64(ptr %a, ptr %b, i1 %mask) vscale_range(16,0) #0 {
 ; CHECK-LABEL: select_v32f64:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    // kill: def $w2 killed $w2 def $x2
 ; CHECK-NEXT:    and x8, x2, #0x1
 ; CHECK-NEXT:    ptrue p0.d
 ; CHECK-NEXT:    mov z0.d, x8
 ; CHECK-NEXT:    ptrue p1.d, vl32
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1d { z0.d }, p1/z, [x0]
 ; CHECK-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; CHECK-NEXT:    sel z0.d, p0, z0.d, z1.d
 ; CHECK-NEXT:    st1d { z0.d }, p1, [x0]
 ; CHECK-NEXT:    ret
   %op1 = load volatile <32 x double>, ptr %a
   %op2 = load volatile <32 x double>, ptr %b
   %sel = select i1 %mask, <32 x double> %op1, <32 x double> %op2
   store <32 x double> %sel, ptr %a
   ret void
 }

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

	; Don't use SVE for 64-bit vectors.
	define <4 x half> @select_v4f16(<4 x half> %op1, <4 x half> %op2, i1 %mask) vscale_range(2,0) #0 {
	; CHECK-LABEL: select_v4f16:
	; CHECK: // %bb.0:
	; CHECK-NEXT: tst w0, #0x1
	; CHECK-NEXT: csetm w8, ne
	; CHECK-NEXT: dup v2.4h, w8
	; CHECK-NEXT: bif v0.8b, v1.8b, v2.8b
	; CHECK-NEXT: ret
	%sel = select i1 %mask, <4 x half> %op1, <4 x half> %op2
	ret <4 x half> %sel
	}

	; Don't use SVE for 128-bit vectors.
	define <8 x half> @select_v8f16(<8 x half> %op1, <8 x half> %op2, i1 %mask) vscale_range(2,0) #0 {
	; CHECK-LABEL: select_v8f16:
	; CHECK: // %bb.0:
	; CHECK-NEXT: tst w0, #0x1
	; CHECK-NEXT: csetm w8, ne
	; CHECK-NEXT: dup v2.8h, w8
	; CHECK-NEXT: bif v0.16b, v1.16b, v2.16b
	; CHECK-NEXT: ret
	%sel = select i1 %mask, <8 x half> %op1, <8 x half> %op2
	ret <8 x half> %sel
	}

	define void @select_v16f16(ptr %a, ptr %b, i1 %mask) vscale_range(2,0) #0 {
	; CHECK-LABEL: select_v16f16:
	; CHECK: // %bb.0:
	; CHECK-NEXT: mov z0.h, w2
	; CHECK-NEXT: ptrue p0.h
	; CHECK-NEXT: ptrue p1.h, vl16
	; CHECK-NEXT: and z0.h, z0.h, #0x1
	; CHECK-NEXT: cmpne p0.h, p0/z, z0.h, #0
	; CHECK-NEXT: ld1h { z0.h }, p1/z, [x0]
	; CHECK-NEXT: ld1h { z1.h }, p1/z, [x1]
	; CHECK-NEXT: sel z0.h, p0, z0.h, z1.h
	; CHECK-NEXT: st1h { z0.h }, p1, [x0]
	; CHECK-NEXT: ret
	%op1 = load volatile <16 x half>, ptr %a
	%op2 = load volatile <16 x half>, ptr %b
	%sel = select i1 %mask, <16 x half> %op1, <16 x half> %op2
	store <16 x half> %sel, ptr %a
	ret void
	}

	define void @select_v32f16(ptr %a, ptr %b, i1 %mask) #0 {
	; VBITS_GE_256-LABEL: select_v32f16:
	; VBITS_GE_256: // %bb.0:
	; VBITS_GE_256-NEXT: mov z0.h, w2
	; VBITS_GE_256-NEXT: ptrue p0.h
	; VBITS_GE_256-NEXT: mov x8, #16 // =0x10
	; VBITS_GE_256-NEXT: ptrue p1.h, vl16
	; VBITS_GE_256-NEXT: and z0.h, z0.h, #0x1
	; VBITS_GE_256-NEXT: cmpne p0.h, p0/z, z0.h, #0
	; VBITS_GE_256-NEXT: ld1h { z0.h }, p1/z, [x0, x8, lsl #1]
	; VBITS_GE_256-NEXT: ld1h { z1.h }, p1/z, [x0]
	; VBITS_GE_256-NEXT: ld1h { z2.h }, p1/z, [x1, x8, lsl #1]
	; VBITS_GE_256-NEXT: ld1h { z3.h }, p1/z, [x1]
	; VBITS_GE_256-NEXT: sel z0.h, p0, z0.h, z2.h
	; VBITS_GE_256-NEXT: sel z1.h, p0, z1.h, z3.h
	; VBITS_GE_256-NEXT: st1h { z0.h }, p1, [x0, x8, lsl #1]
	; VBITS_GE_256-NEXT: st1h { z1.h }, p1, [x0]
	; VBITS_GE_256-NEXT: ret
	;
	; VBITS_GE_512-LABEL: select_v32f16:
	; VBITS_GE_512: // %bb.0:
	; VBITS_GE_512-NEXT: mov z0.h, w2
	; VBITS_GE_512-NEXT: ptrue p0.h
	; VBITS_GE_512-NEXT: ptrue p1.h, vl32
	; VBITS_GE_512-NEXT: and z0.h, z0.h, #0x1
	; VBITS_GE_512-NEXT: cmpne p0.h, p0/z, z0.h, #0
	; VBITS_GE_512-NEXT: ld1h { z0.h }, p1/z, [x0]
	; VBITS_GE_512-NEXT: ld1h { z1.h }, p1/z, [x1]
	; VBITS_GE_512-NEXT: sel z0.h, p0, z0.h, z1.h
	; VBITS_GE_512-NEXT: st1h { z0.h }, p1, [x0]
	; VBITS_GE_512-NEXT: ret
	%op1 = load volatile <32 x half>, ptr %a
	%op2 = load volatile <32 x half>, ptr %b
	%sel = select i1 %mask, <32 x half> %op1, <32 x half> %op2
	store <32 x half> %sel, ptr %a
	ret void
	}

	define void @select_v64f16(ptr %a, ptr %b, i1 %mask) vscale_range(8,0) #0 {
	; CHECK-LABEL: select_v64f16:
	; CHECK: // %bb.0:
	; CHECK-NEXT: mov z0.h, w2
	; CHECK-NEXT: ptrue p0.h
	; CHECK-NEXT: ptrue p1.h, vl64
	; CHECK-NEXT: and z0.h, z0.h, #0x1
	; CHECK-NEXT: cmpne p0.h, p0/z, z0.h, #0
	; CHECK-NEXT: ld1h { z0.h }, p1/z, [x0]
	; CHECK-NEXT: ld1h { z1.h }, p1/z, [x1]
	; CHECK-NEXT: sel z0.h, p0, z0.h, z1.h
	; CHECK-NEXT: st1h { z0.h }, p1, [x0]
	; CHECK-NEXT: ret
	%op1 = load volatile <64 x half>, ptr %a
	%op2 = load volatile <64 x half>, ptr %b
	%sel = select i1 %mask, <64 x half> %op1, <64 x half> %op2
	store <64 x half> %sel, ptr %a
	ret void
	}

	define void @select_v128f16(ptr %a, ptr %b, i1 %mask) vscale_range(16,0) #0 {
	; CHECK-LABEL: select_v128f16:
	; CHECK: // %bb.0:
	; CHECK-NEXT: mov z0.h, w2
	; CHECK-NEXT: ptrue p0.h
	; CHECK-NEXT: ptrue p1.h, vl128
	; CHECK-NEXT: and z0.h, z0.h, #0x1
	; CHECK-NEXT: cmpne p0.h, p0/z, z0.h, #0
	; CHECK-NEXT: ld1h { z0.h }, p1/z, [x0]
	; CHECK-NEXT: ld1h { z1.h }, p1/z, [x1]
	; CHECK-NEXT: sel z0.h, p0, z0.h, z1.h
	; CHECK-NEXT: st1h { z0.h }, p1, [x0]
	; CHECK-NEXT: ret
	%op1 = load volatile <128 x half>, ptr %a
	%op2 = load volatile <128 x half>, ptr %b
	%sel = select i1 %mask, <128 x half> %op1, <128 x half> %op2
	store <128 x half> %sel, ptr %a
	ret void
	}

	; Don't use SVE for 64-bit vectors.
	define <2 x float> @select_v2f32(<2 x float> %op1, <2 x float> %op2, i1 %mask) vscale_range(2,0) #0 {
	; CHECK-LABEL: select_v2f32:
	; CHECK: // %bb.0:
	; CHECK-NEXT: tst w0, #0x1
	; CHECK-NEXT: csetm w8, ne
	; CHECK-NEXT: dup v2.2s, w8
	; CHECK-NEXT: bif v0.8b, v1.8b, v2.8b
	; CHECK-NEXT: ret
	%sel = select i1 %mask, <2 x float> %op1, <2 x float> %op2
	ret <2 x float> %sel
	}

	; Don't use SVE for 128-bit vectors.
	define <4 x float> @select_v4f32(<4 x float> %op1, <4 x float> %op2, i1 %mask) vscale_range(2,0) #0 {
	; CHECK-LABEL: select_v4f32:
	; CHECK: // %bb.0:
	; CHECK-NEXT: tst w0, #0x1
	; CHECK-NEXT: csetm w8, ne
	; CHECK-NEXT: dup v2.4s, w8
	; CHECK-NEXT: bif v0.16b, v1.16b, v2.16b
	; CHECK-NEXT: ret
	%sel = select i1 %mask, <4 x float> %op1, <4 x float> %op2
	ret <4 x float> %sel
	}

	define void @select_v8f32(ptr %a, ptr %b, i1 %mask) vscale_range(2,0) #0 {
	; CHECK-LABEL: select_v8f32:
	; CHECK: // %bb.0:
	; CHECK-NEXT: and w8, w2, #0x1
	; CHECK-NEXT: ptrue p0.s
	; CHECK-NEXT: mov z0.s, w8
	; CHECK-NEXT: ptrue p1.s, vl8
	; CHECK-NEXT: cmpne p0.s, p0/z, z0.s, #0
	; CHECK-NEXT: ld1w { z0.s }, p1/z, [x0]
	; CHECK-NEXT: ld1w { z1.s }, p1/z, [x1]
	; CHECK-NEXT: sel z0.s, p0, z0.s, z1.s
	; CHECK-NEXT: st1w { z0.s }, p1, [x0]
	; CHECK-NEXT: ret
	%op1 = load volatile <8 x float>, ptr %a
	%op2 = load volatile <8 x float>, ptr %b
	%sel = select i1 %mask, <8 x float> %op1, <8 x float> %op2
	store <8 x float> %sel, ptr %a
	ret void
	}

	define void @select_v16f32(ptr %a, ptr %b, i1 %mask) #0 {
	; VBITS_GE_256-LABEL: select_v16f32:
	; VBITS_GE_256: // %bb.0:
	; VBITS_GE_256-NEXT: and w8, w2, #0x1
	; VBITS_GE_256-NEXT: ptrue p0.s
	; VBITS_GE_256-NEXT: mov z0.s, w8
	; VBITS_GE_256-NEXT: ptrue p1.s, vl8
	; VBITS_GE_256-NEXT: mov x8, #8 // =0x8
	; VBITS_GE_256-NEXT: cmpne p0.s, p0/z, z0.s, #0
	; VBITS_GE_256-NEXT: ld1w { z0.s }, p1/z, [x0, x8, lsl #2]
	; VBITS_GE_256-NEXT: ld1w { z1.s }, p1/z, [x0]
	; VBITS_GE_256-NEXT: ld1w { z2.s }, p1/z, [x1, x8, lsl #2]
	; VBITS_GE_256-NEXT: ld1w { z3.s }, p1/z, [x1]
	; VBITS_GE_256-NEXT: sel z0.s, p0, z0.s, z2.s
	; VBITS_GE_256-NEXT: sel z1.s, p0, z1.s, z3.s
	; VBITS_GE_256-NEXT: st1w { z0.s }, p1, [x0, x8, lsl #2]
	; VBITS_GE_256-NEXT: st1w { z1.s }, p1, [x0]
	; VBITS_GE_256-NEXT: ret
	;
	; VBITS_GE_512-LABEL: select_v16f32:
	; VBITS_GE_512: // %bb.0:
	; VBITS_GE_512-NEXT: and w8, w2, #0x1
	; VBITS_GE_512-NEXT: ptrue p0.s
	; VBITS_GE_512-NEXT: mov z0.s, w8
	; VBITS_GE_512-NEXT: ptrue p1.s, vl16
	; VBITS_GE_512-NEXT: cmpne p0.s, p0/z, z0.s, #0
	; VBITS_GE_512-NEXT: ld1w { z0.s }, p1/z, [x0]
	; VBITS_GE_512-NEXT: ld1w { z1.s }, p1/z, [x1]
	; VBITS_GE_512-NEXT: sel z0.s, p0, z0.s, z1.s
	; VBITS_GE_512-NEXT: st1w { z0.s }, p1, [x0]
	; VBITS_GE_512-NEXT: ret
	%op1 = load volatile <16 x float>, ptr %a
	%op2 = load volatile <16 x float>, ptr %b
	%sel = select i1 %mask, <16 x float> %op1, <16 x float> %op2
	store <16 x float> %sel, ptr %a
	ret void
	}

	define void @select_v32f32(ptr %a, ptr %b, i1 %mask) vscale_range(8,0) #0 {
	; CHECK-LABEL: select_v32f32:
	; CHECK: // %bb.0:
	; CHECK-NEXT: and w8, w2, #0x1
	; CHECK-NEXT: ptrue p0.s
	; CHECK-NEXT: mov z0.s, w8
	; CHECK-NEXT: ptrue p1.s, vl32
	; CHECK-NEXT: cmpne p0.s, p0/z, z0.s, #0
	; CHECK-NEXT: ld1w { z0.s }, p1/z, [x0]
	; CHECK-NEXT: ld1w { z1.s }, p1/z, [x1]
	; CHECK-NEXT: sel z0.s, p0, z0.s, z1.s
	; CHECK-NEXT: st1w { z0.s }, p1, [x0]
	; CHECK-NEXT: ret
	%op1 = load volatile <32 x float>, ptr %a
	%op2 = load volatile <32 x float>, ptr %b
	%sel = select i1 %mask, <32 x float> %op1, <32 x float> %op2
	store <32 x float> %sel, ptr %a
	ret void
	}

	define void @select_v64f32(ptr %a, ptr %b, i1 %mask) vscale_range(16,0) #0 {
	; CHECK-LABEL: select_v64f32:
	; CHECK: // %bb.0:
	; CHECK-NEXT: and w8, w2, #0x1
	; CHECK-NEXT: ptrue p0.s
	; CHECK-NEXT: mov z0.s, w8
	; CHECK-NEXT: ptrue p1.s, vl64
	; CHECK-NEXT: cmpne p0.s, p0/z, z0.s, #0
	; CHECK-NEXT: ld1w { z0.s }, p1/z, [x0]
	; CHECK-NEXT: ld1w { z1.s }, p1/z, [x1]
	; CHECK-NEXT: sel z0.s, p0, z0.s, z1.s
	; CHECK-NEXT: st1w { z0.s }, p1, [x0]
	; CHECK-NEXT: ret
	%op1 = load volatile <64 x float>, ptr %a
	%op2 = load volatile <64 x float>, ptr %b
	%sel = select i1 %mask, <64 x float> %op1, <64 x float> %op2
	store <64 x float> %sel, ptr %a
	ret void
	}

	; Don't use SVE for 64-bit vectors.
	define <1 x double> @select_v1f64(<1 x double> %op1, <1 x double> %op2, i1 %mask) vscale_range(2,0) #0 {
	; CHECK-LABEL: select_v1f64:
	; CHECK: // %bb.0:
	; CHECK-NEXT: tst w0, #0x1
	; CHECK-NEXT: csetm x8, ne
	; CHECK-NEXT: fmov d2, x8
	; CHECK-NEXT: bif v0.8b, v1.8b, v2.8b
	; CHECK-NEXT: ret
	%sel = select i1 %mask, <1 x double> %op1, <1 x double> %op2
	ret <1 x double> %sel
	}

	; Don't use SVE for 128-bit vectors.
	define <2 x double> @select_v2f64(<2 x double> %op1, <2 x double> %op2, i1 %mask) vscale_range(2,0) #0 {
	; CHECK-LABEL: select_v2f64:
	; CHECK: // %bb.0:
	; CHECK-NEXT: tst w0, #0x1
	; CHECK-NEXT: csetm x8, ne
	; CHECK-NEXT: dup v2.2d, x8
	; CHECK-NEXT: bif v0.16b, v1.16b, v2.16b
	; CHECK-NEXT: ret
	%sel = select i1 %mask, <2 x double> %op1, <2 x double> %op2
	ret <2 x double> %sel
	}

	define void @select_v4f64(ptr %a, ptr %b, i1 %mask) vscale_range(2,0) #0 {
	; CHECK-LABEL: select_v4f64:
	; CHECK: // %bb.0:
	; CHECK-NEXT: // kill: def $w2 killed $w2 def $x2
	; CHECK-NEXT: and x8, x2, #0x1
	; CHECK-NEXT: ptrue p0.d
	; CHECK-NEXT: mov z0.d, x8
	; CHECK-NEXT: ptrue p1.d, vl4
	; CHECK-NEXT: cmpne p0.d, p0/z, z0.d, #0
	; CHECK-NEXT: ld1d { z0.d }, p1/z, [x0]
	; CHECK-NEXT: ld1d { z1.d }, p1/z, [x1]
	; CHECK-NEXT: sel z0.d, p0, z0.d, z1.d
	; CHECK-NEXT: st1d { z0.d }, p1, [x0]
	; CHECK-NEXT: ret
	%op1 = load volatile <4 x double>, ptr %a
	%op2 = load volatile <4 x double>, ptr %b
	%sel = select i1 %mask, <4 x double> %op1, <4 x double> %op2
	store <4 x double> %sel, ptr %a
	ret void
	}

	define void @select_v8f64(ptr %a, ptr %b, i1 %mask) #0 {
	; VBITS_GE_256-LABEL: select_v8f64:
	; VBITS_GE_256: // %bb.0:
	; VBITS_GE_256-NEXT: // kill: def $w2 killed $w2 def $x2
	; VBITS_GE_256-NEXT: and x8, x2, #0x1
	; VBITS_GE_256-NEXT: ptrue p0.d
	; VBITS_GE_256-NEXT: mov z0.d, x8
	; VBITS_GE_256-NEXT: ptrue p1.d, vl4
	; VBITS_GE_256-NEXT: mov x8, #4 // =0x4
	; VBITS_GE_256-NEXT: cmpne p0.d, p0/z, z0.d, #0
	; VBITS_GE_256-NEXT: ld1d { z0.d }, p1/z, [x0, x8, lsl #3]
	; VBITS_GE_256-NEXT: ld1d { z1.d }, p1/z, [x0]
	; VBITS_GE_256-NEXT: ld1d { z2.d }, p1/z, [x1, x8, lsl #3]
	; VBITS_GE_256-NEXT: ld1d { z3.d }, p1/z, [x1]
	; VBITS_GE_256-NEXT: sel z0.d, p0, z0.d, z2.d
	; VBITS_GE_256-NEXT: sel z1.d, p0, z1.d, z3.d
	; VBITS_GE_256-NEXT: st1d { z0.d }, p1, [x0, x8, lsl #3]
	; VBITS_GE_256-NEXT: st1d { z1.d }, p1, [x0]
	; VBITS_GE_256-NEXT: ret
	;
	; VBITS_GE_512-LABEL: select_v8f64:
	; VBITS_GE_512: // %bb.0:
	; VBITS_GE_512-NEXT: // kill: def $w2 killed $w2 def $x2
	; VBITS_GE_512-NEXT: and x8, x2, #0x1
	; VBITS_GE_512-NEXT: ptrue p0.d
	; VBITS_GE_512-NEXT: mov z0.d, x8
	; VBITS_GE_512-NEXT: ptrue p1.d, vl8
	; VBITS_GE_512-NEXT: cmpne p0.d, p0/z, z0.d, #0
	; VBITS_GE_512-NEXT: ld1d { z0.d }, p1/z, [x0]
	; VBITS_GE_512-NEXT: ld1d { z1.d }, p1/z, [x1]
	; VBITS_GE_512-NEXT: sel z0.d, p0, z0.d, z1.d
	; VBITS_GE_512-NEXT: st1d { z0.d }, p1, [x0]
	; VBITS_GE_512-NEXT: ret
	%op1 = load volatile <8 x double>, ptr %a
	%op2 = load volatile <8 x double>, ptr %b
	%sel = select i1 %mask, <8 x double> %op1, <8 x double> %op2
	store <8 x double> %sel, ptr %a
	ret void
	}

	define void @select_v16f64(ptr %a, ptr %b, i1 %mask) vscale_range(8,0) #0 {
	; CHECK-LABEL: select_v16f64:
	; CHECK: // %bb.0:
	; CHECK-NEXT: // kill: def $w2 killed $w2 def $x2
	; CHECK-NEXT: and x8, x2, #0x1
	; CHECK-NEXT: ptrue p0.d
	; CHECK-NEXT: mov z0.d, x8
	; CHECK-NEXT: ptrue p1.d, vl16
	; CHECK-NEXT: cmpne p0.d, p0/z, z0.d, #0
	; CHECK-NEXT: ld1d { z0.d }, p1/z, [x0]
	; CHECK-NEXT: ld1d { z1.d }, p1/z, [x1]
	; CHECK-NEXT: sel z0.d, p0, z0.d, z1.d
	; CHECK-NEXT: st1d { z0.d }, p1, [x0]
	; CHECK-NEXT: ret
	%op1 = load volatile <16 x double>, ptr %a
	%op2 = load volatile <16 x double>, ptr %b
	%sel = select i1 %mask, <16 x double> %op1, <16 x double> %op2
	store <16 x double> %sel, ptr %a
	ret void
	}

	define void @select_v32f64(ptr %a, ptr %b, i1 %mask) vscale_range(16,0) #0 {
	; CHECK-LABEL: select_v32f64:
	; CHECK: // %bb.0:
	; CHECK-NEXT: // kill: def $w2 killed $w2 def $x2
	; CHECK-NEXT: and x8, x2, #0x1
	; CHECK-NEXT: ptrue p0.d
	; CHECK-NEXT: mov z0.d, x8
	; CHECK-NEXT: ptrue p1.d, vl32
	; CHECK-NEXT: cmpne p0.d, p0/z, z0.d, #0
	; CHECK-NEXT: ld1d { z0.d }, p1/z, [x0]
	; CHECK-NEXT: ld1d { z1.d }, p1/z, [x1]
	; CHECK-NEXT: sel z0.d, p0, z0.d, z1.d
	; CHECK-NEXT: st1d { z0.d }, p1, [x0]
	; CHECK-NEXT: ret
	%op1 = load volatile <32 x double>, ptr %a
	%op2 = load volatile <32 x double>, ptr %b
	%sel = select i1 %mask, <32 x double> %op1, <32 x double> %op2
	store <32 x double> %sel, ptr %a
	ret void
	}

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