llvm/test/CodeGen/AArch64/sme2-fp8-intrinsics-cvt.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme2,+fp8 -verify-machineinstrs -force-streaming -enable-subreg-liveness < %s | FileCheck %s

; FCVT / FCVTN / BFCVT

define <vscale x 16 x i8> @fcvt_x2(<vscale x 8 x half> %zn0, <vscale x 8 x half> %zn1) {
; CHECK-LABEL: fcvt_x2:
; CHECK:       // %bb.0:
; CHECK-NEXT:    fcvt z0.b, { z0.h, z1.h }
; CHECK-NEXT:    ret
  %res = call <vscale x 16 x i8> @llvm.aarch64.sve.fp8.cvt.x2.nxv8f16(<vscale x 8 x half> %zn0, <vscale x 8 x half> %zn1)
  ret <vscale x 16 x i8> %res
}

define <vscale x 16 x i8> @fcvt_x4(<vscale x 4 x float> %zn0, <vscale x 4 x float> %zn1, <vscale x 4 x float> %zn2, <vscale x 4 x float> %zn3) {
; CHECK-LABEL: fcvt_x4:
; CHECK:       // %bb.0:
; CHECK-NEXT:    fcvt z0.b, { z0.s - z3.s }
; CHECK-NEXT:    ret
  %res = call <vscale x 16 x i8> @llvm.aarch64.sve.fp8.cvt.x4(<vscale x 4 x float> %zn0, <vscale x 4 x float> %zn1,
                                                              <vscale x 4 x float> %zn2, <vscale x 4 x float> %zn3)
  ret <vscale x 16 x i8> %res
}

define { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @fcvt_x4_tuple(i64 %stride, ptr %ptr) {
; CHECK-LABEL: fcvt_x4_tuple:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT:    addvl sp, sp, #-9
; CHECK-NEXT:    str p8, [sp, #7, mul vl] // 2-byte Folded Spill
; CHECK-NEXT:    str z23, [sp, #1, mul vl] // 16-byte Folded Spill
; CHECK-NEXT:    str z22, [sp, #2, mul vl] // 16-byte Folded Spill
; CHECK-NEXT:    str z21, [sp, #3, mul vl] // 16-byte Folded Spill
; CHECK-NEXT:    str z20, [sp, #4, mul vl] // 16-byte Folded Spill
; CHECK-NEXT:    str z19, [sp, #5, mul vl] // 16-byte Folded Spill
; CHECK-NEXT:    str z18, [sp, #6, mul vl] // 16-byte Folded Spill
; CHECK-NEXT:    str z17, [sp, #7, mul vl] // 16-byte Folded Spill
; CHECK-NEXT:    str z16, [sp, #8, mul vl] // 16-byte Folded Spill
; CHECK-NEXT:    .cfi_escape 0x0f, 0x0d, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0xc8, 0x00, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 72 * VG
; CHECK-NEXT:    .cfi_offset w29, -16
; CHECK-NEXT:    lsl x8, x0, #1
; CHECK-NEXT:    add x9, x1, x0
; CHECK-NEXT:    ptrue pn8.b
; CHECK-NEXT:    ld1w { z16.s, z20.s, z24.s, z28.s }, pn8/z, [x1]
; CHECK-NEXT:    ld1w { z17.s, z21.s, z25.s, z29.s }, pn8/z, [x9]
; CHECK-NEXT:    add x10, x1, x8
; CHECK-NEXT:    add x8, x9, x8
; CHECK-NEXT:    ld1w { z18.s, z22.s, z26.s, z30.s }, pn8/z, [x10]
; CHECK-NEXT:    ld1w { z19.s, z23.s, z27.s, z31.s }, pn8/z, [x8]
; CHECK-NEXT:    fcvt z0.b, { z16.s - z19.s }
; CHECK-NEXT:    fcvt z1.b, { z20.s - z23.s }
; CHECK-NEXT:    fcvt z2.b, { z24.s - z27.s }
; CHECK-NEXT:    fcvt z3.b, { z28.s - z31.s }
; CHECK-NEXT:    ldr z23, [sp, #1, mul vl] // 16-byte Folded Reload
; CHECK-NEXT:    ldr z22, [sp, #2, mul vl] // 16-byte Folded Reload
; CHECK-NEXT:    ldr z21, [sp, #3, mul vl] // 16-byte Folded Reload
; CHECK-NEXT:    ldr z20, [sp, #4, mul vl] // 16-byte Folded Reload
; CHECK-NEXT:    ldr z19, [sp, #5, mul vl] // 16-byte Folded Reload
; CHECK-NEXT:    ldr z18, [sp, #6, mul vl] // 16-byte Folded Reload
; CHECK-NEXT:    ldr z17, [sp, #7, mul vl] // 16-byte Folded Reload
; CHECK-NEXT:    ldr z16, [sp, #8, mul vl] // 16-byte Folded Reload
; CHECK-NEXT:    ldr p8, [sp, #7, mul vl] // 2-byte Folded Reload
; CHECK-NEXT:    addvl sp, sp, #9
; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT:    ret
entry:
  %0 = tail call target("aarch64.svcount") @llvm.aarch64.sve.ptrue.c8()
  %1 = tail call { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } @llvm.aarch64.sve.ld1.pn.x4.nxv4f32(target("aarch64.svcount") %0, ptr %ptr)
  %2 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %1, 0
  %3 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %1, 1
  %4 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %1, 2
  %5 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %1, 3
  %arrayidx2 = getelementptr inbounds i8, ptr %ptr, i64 %stride
  %6 = tail call { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } @llvm.aarch64.sve.ld1.pn.x4.nxv4f32(target("aarch64.svcount") %0, ptr %arrayidx2)
  %7 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %6, 0
  %8 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %6, 1
  %9 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %6, 2
  %10 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %6, 3
  %mul3 = shl i64 %stride, 1
  %arrayidx4 = getelementptr inbounds i8, ptr %ptr, i64 %mul3
  %11 = tail call { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } @llvm.aarch64.sve.ld1.pn.x4.nxv4f32(target("aarch64.svcount") %0, ptr %arrayidx4)
  %12 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %11, 0
  %13 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %11, 1
  %14 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %11, 2
  %15 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %11, 3
  %mul5 = mul i64 %stride, 3
  %arrayidx6 = getelementptr inbounds i8, ptr %ptr, i64 %mul5
  %16 = tail call { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } @llvm.aarch64.sve.ld1.pn.x4.nxv4f32(target("aarch64.svcount") %0, ptr %arrayidx6)
  %17 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %16, 0
  %18 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %16, 1
  %19 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %16, 2
  %20 = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } %16, 3
  %res1 = call <vscale x 16 x i8> @llvm.aarch64.sve.fp8.cvt.x4(<vscale x 4 x float> %2, <vscale x 4 x float> %7, <vscale x 4 x float> %12, <vscale x 4 x float> %17)
  %res2 = call <vscale x 16 x i8> @llvm.aarch64.sve.fp8.cvt.x4(<vscale x 4 x float> %3, <vscale x 4 x float> %8, <vscale x 4 x float> %13, <vscale x 4 x float> %18)
  %res3 = call <vscale x 16 x i8> @llvm.aarch64.sve.fp8.cvt.x4(<vscale x 4 x float> %4, <vscale x 4 x float> %9, <vscale x 4 x float> %14, <vscale x 4 x float> %19)
  %res4 = call <vscale x 16 x i8> @llvm.aarch64.sve.fp8.cvt.x4(<vscale x 4 x float> %5, <vscale x 4 x float> %10, <vscale x 4 x float> %15, <vscale x 4 x float> %20)
  %ins1 = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } poison, <vscale x 16 x i8> %res1, 0
  %ins2 = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } %ins1, <vscale x 16 x i8> %res2, 1
  %ins3 = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } %ins2, <vscale x 16 x i8> %res3, 2
  %ins4 = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } %ins3, <vscale x 16 x i8> %res4, 3
  ret { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } %ins4
}

define <vscale x 16 x i8> @fcvtn(<vscale x 4 x float> %zn0, <vscale x 4 x float> %zn1, <vscale x 4 x float> %zn2, <vscale x 4 x float> %zn3) {
; CHECK-LABEL: fcvtn:
; CHECK:       // %bb.0:
; CHECK-NEXT:    fcvtn z0.b, { z0.s - z3.s }
; CHECK-NEXT:    ret
  %res = call <vscale x 16 x i8> @llvm.aarch64.sve.fp8.cvtn.x4(<vscale x 4 x float> %zn0, <vscale x 4 x float> %zn1,
                                                               <vscale x 4 x float> %zn2, <vscale x 4 x float> %zn3)
  ret <vscale x 16 x i8> %res
}

define <vscale x 16 x i8> @bfcvt(<vscale x 8 x bfloat> %zn0, <vscale x 8 x bfloat> %zn1) {
; CHECK-LABEL: bfcvt:
; CHECK:       // %bb.0:
; CHECK-NEXT:    bfcvt z0.b, { z0.h, z1.h }
; CHECK-NEXT:    ret
  %res = call <vscale x 16 x i8> @llvm.aarch64.sve.fp8.cvt.x2.nxv8bf16(<vscale x 8 x bfloat> %zn0, <vscale x 8 x bfloat> %zn1)
  ret <vscale x 16 x i8> %res
}


define { <vscale x 16 x i8>, <vscale x 16 x i8> } @bfcvt_tuple(i64 %stride, ptr %ptr) {
; CHECK-LABEL: bfcvt_tuple:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT:    addvl sp, sp, #-3
; CHECK-NEXT:    str p8, [sp, #7, mul vl] // 2-byte Folded Spill
; CHECK-NEXT:    str z11, [sp, #1, mul vl] // 16-byte Folded Spill
; CHECK-NEXT:    str z10, [sp, #2, mul vl] // 16-byte Folded Spill
; CHECK-NEXT:    .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x18, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 24 * VG
; CHECK-NEXT:    .cfi_offset w29, -16
; CHECK-NEXT:    .cfi_escape 0x10, 0x4a, 0x0a, 0x11, 0x70, 0x22, 0x11, 0x78, 0x92, 0x2e, 0x00, 0x1e, 0x22 // $d10 @ cfa - 16 - 8 * VG
; CHECK-NEXT:    .cfi_escape 0x10, 0x4b, 0x0a, 0x11, 0x70, 0x22, 0x11, 0x70, 0x92, 0x2e, 0x00, 0x1e, 0x22 // $d11 @ cfa - 16 - 16 * VG
; CHECK-NEXT:    ptrue pn8.b
; CHECK-NEXT:    add x8, x1, x0
; CHECK-NEXT:    ld1h { z2.h, z10.h }, pn8/z, [x1]
; CHECK-NEXT:    ld1h { z3.h, z11.h }, pn8/z, [x8]
; CHECK-NEXT:    bfcvt z0.b, { z2.h, z3.h }
; CHECK-NEXT:    bfcvt z1.b, { z10.h, z11.h }
; CHECK-NEXT:    ldr z11, [sp, #1, mul vl] // 16-byte Folded Reload
; CHECK-NEXT:    ldr z10, [sp, #2, mul vl] // 16-byte Folded Reload
; CHECK-NEXT:    ldr p8, [sp, #7, mul vl] // 2-byte Folded Reload
; CHECK-NEXT:    addvl sp, sp, #3
; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT:    ret
entry:
  %0 = tail call target("aarch64.svcount") @llvm.aarch64.sve.ptrue.c8()
  %1 = tail call { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } @llvm.aarch64.sve.ld1.pn.x2.nxv8bf16(target("aarch64.svcount") %0, ptr %ptr)
  %2 = extractvalue { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } %1, 0
  %3 = extractvalue { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } %1, 1
  %arrayidx2 = getelementptr inbounds i8, ptr %ptr, i64 %stride
  %4 = tail call { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } @llvm.aarch64.sve.ld1.pn.x2.nxv8bf16(target("aarch64.svcount") %0, ptr %arrayidx2)
  %5 = extractvalue { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } %4, 0
  %6 = extractvalue { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } %4, 1
  %res1 = call <vscale x 16 x i8> @llvm.aarch64.sve.fp8.cvt.x2.nxv8bf16(<vscale x 8 x bfloat> %2, <vscale x 8 x bfloat> %5)
  %res2 = call <vscale x 16 x i8> @llvm.aarch64.sve.fp8.cvt.x2.nxv8bf16(<vscale x 8 x bfloat> %3, <vscale x 8 x bfloat> %6)
  %ins1 = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } poison, <vscale x 16 x i8> %res1, 0
  %ins2 = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } %ins1, <vscale x 16 x i8> %res2, 1
  ret { <vscale x 16 x i8>, <vscale x 16 x i8> } %ins2
}

; F1CVT / F2CVT

define { <vscale x 8 x half>, <vscale x 8 x half> } @f1cvt(<vscale x 16 x i8> %zm) {
; CHECK-LABEL: f1cvt:
; CHECK:       // %bb.0:
; CHECK-NEXT:    f1cvt { z0.h, z1.h }, z0.b
; CHECK-NEXT:    ret
  %res = call { <vscale x 8 x half>, <vscale x 8 x half> } @llvm.aarch64.sve.fp8.cvt1.x2.nxv8f16(<vscale x 16 x i8> %zm)
  ret { <vscale x 8 x half>, <vscale x 8 x half> } %res
}

define { <vscale x 8 x half>, <vscale x 8 x half> } @f2cvt(<vscale x 16 x i8> %zm) {
; CHECK-LABEL: f2cvt:
; CHECK:       // %bb.0:
; CHECK-NEXT:    f2cvt { z0.h, z1.h }, z0.b
; CHECK-NEXT:    ret
  %res = call { <vscale x 8 x half>, <vscale x 8 x half> } @llvm.aarch64.sve.fp8.cvt2.x2.nxv8f16(<vscale x 16 x i8> %zm)
  ret { <vscale x 8 x half>, <vscale x 8 x half> } %res
}

; BF1CVT / BF2CVT

define { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } @bf1cvt(<vscale x 16 x i8> %zm) {
; CHECK-LABEL: bf1cvt:
; CHECK:       // %bb.0:
; CHECK-NEXT:    bf1cvt { z0.h, z1.h }, z0.b
; CHECK-NEXT:    ret
  %res = call { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } @llvm.aarch64.sve.fp8.cvt1.x2.nxv8bf16(<vscale x 16 x i8> %zm)
  ret { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } %res
}

define { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } @bf2cvt(<vscale x 16 x i8> %zm) {
; CHECK-LABEL: bf2cvt:
; CHECK:       // %bb.0:
; CHECK-NEXT:    bf2cvt { z0.h, z1.h }, z0.b
; CHECK-NEXT:    ret
  %res = call { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } @llvm.aarch64.sve.fp8.cvt2.x2.nxv8bf16(<vscale x 16 x i8> %zm)
  ret { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } %res
}

; F1CVTL / F2CVTL

define { <vscale x 8 x half>, <vscale x 8 x half> } @f1cvtl(<vscale x 16 x i8> %zm) {
; CHECK-LABEL: f1cvtl:
; CHECK:       // %bb.0:
; CHECK-NEXT:    f1cvtl { z0.h, z1.h }, z0.b
; CHECK-NEXT:    ret
  %res = call { <vscale x 8 x half>, <vscale x 8 x half> } @llvm.aarch64.sve.fp8.cvtl1.x2.nxv8f16(<vscale x 16 x i8> %zm)
  ret { <vscale x 8 x half>, <vscale x 8 x half> } %res
}

define { <vscale x 8 x half>, <vscale x 8 x half> } @f2cvtl(<vscale x 16 x i8> %zm) {
; CHECK-LABEL: f2cvtl:
; CHECK:       // %bb.0:
; CHECK-NEXT:    f2cvtl { z0.h, z1.h }, z0.b
; CHECK-NEXT:    ret
  %res = call { <vscale x 8 x half>, <vscale x 8 x half> } @llvm.aarch64.sve.fp8.cvtl2.x2.nxvbf16(<vscale x 16 x i8> %zm)
  ret { <vscale x 8 x half>, <vscale x 8 x half> } %res
}

; BF1CVTL / BF2CVTL

define { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } @bf1cvtl(<vscale x 16 x i8> %zm) {
; CHECK-LABEL: bf1cvtl:
; CHECK:       // %bb.0:
; CHECK-NEXT:    bf1cvtl { z0.h, z1.h }, z0.b
; CHECK-NEXT:    ret
  %res = call { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } @llvm.aarch64.sve.fp8.cvtl1.x2.nxv8bf16(<vscale x 16 x i8> %zm)
  ret { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } %res
}

define { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } @bf2cvtl( <vscale x 16 x i8> %zm) {
; CHECK-LABEL: bf2cvtl:
; CHECK:       // %bb.0:
; CHECK-NEXT:    bf2cvtl { z0.h, z1.h }, z0.b
; CHECK-NEXT:    ret
  %res = call { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } @llvm.aarch64.sve.fp8.cvtl2.x2.nxv8bf16(<vscale x 16 x i8> %zm)
  ret { <vscale x 8 x bfloat>, <vscale x 8 x bfloat> } %res
}