llvm/test/CodeGen/AArch64/complex-deinterleaving-add-mull-fixed-fast.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s --mattr=+complxnum,+neon -o - | FileCheck %s

target triple = "aarch64"

; a * b + c
define <4 x double> @mull_add(<4 x double> %a, <4 x double> %b, <4 x double> %c) {
; CHECK-LABEL: mull_add:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fcmla v4.2d, v0.2d, v2.2d, #0
; CHECK-NEXT:    fcmla v5.2d, v1.2d, v3.2d, #0
; CHECK-NEXT:    fcmla v4.2d, v0.2d, v2.2d, #90
; CHECK-NEXT:    fcmla v5.2d, v1.2d, v3.2d, #90
; CHECK-NEXT:    mov v0.16b, v4.16b
; CHECK-NEXT:    mov v1.16b, v5.16b
; CHECK-NEXT:    ret
entry:
  %strided.vec = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec28 = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %strided.vec30 = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec31 = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %0 = fmul fast <2 x double> %strided.vec31, %strided.vec
  %1 = fmul fast <2 x double> %strided.vec30, %strided.vec28
  %2 = fadd fast <2 x double> %0, %1
  %3 = fmul fast <2 x double> %strided.vec30, %strided.vec
  %strided.vec33 = shufflevector <4 x double> %c, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec34 = shufflevector <4 x double> %c, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %4 = fadd fast <2 x double> %strided.vec33, %3
  %5 = fmul fast <2 x double> %strided.vec31, %strided.vec28
  %6 = fsub fast <2 x double> %4, %5
  %7 = fadd fast <2 x double> %2, %strided.vec34
  %interleaved.vec = shufflevector <2 x double> %6, <2 x double> %7, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
  ret <4 x double> %interleaved.vec
}

; a * b + c * d
define <4 x double> @mul_add_mull(<4 x double> %a, <4 x double> %b, <4 x double> %c, <4 x double> %d) {
; CHECK-LABEL: mul_add_mull:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi v16.2d, #0000000000000000
; CHECK-NEXT:    movi v17.2d, #0000000000000000
; CHECK-NEXT:    fcmla v17.2d, v6.2d, v4.2d, #0
; CHECK-NEXT:    fcmla v16.2d, v7.2d, v5.2d, #0
; CHECK-NEXT:    fcmla v17.2d, v0.2d, v2.2d, #0
; CHECK-NEXT:    fcmla v16.2d, v1.2d, v3.2d, #0
; CHECK-NEXT:    fcmla v17.2d, v6.2d, v4.2d, #90
; CHECK-NEXT:    fcmla v16.2d, v7.2d, v5.2d, #90
; CHECK-NEXT:    fcmla v17.2d, v0.2d, v2.2d, #90
; CHECK-NEXT:    fcmla v16.2d, v1.2d, v3.2d, #90
; CHECK-NEXT:    mov v0.16b, v17.16b
; CHECK-NEXT:    mov v1.16b, v16.16b
; CHECK-NEXT:    ret
entry:
  %strided.vec = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec51 = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %strided.vec53 = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec54 = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %0 = fmul fast <2 x double> %strided.vec54, %strided.vec
  %1 = fmul fast <2 x double> %strided.vec53, %strided.vec51
  %2 = fmul fast <2 x double> %strided.vec53, %strided.vec
  %3 = fmul fast <2 x double> %strided.vec54, %strided.vec51
  %strided.vec56 = shufflevector <4 x double> %c, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec57 = shufflevector <4 x double> %c, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %strided.vec59 = shufflevector <4 x double> %d, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec60 = shufflevector <4 x double> %d, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %4 = fmul fast <2 x double> %strided.vec60, %strided.vec56
  %5 = fmul fast <2 x double> %strided.vec59, %strided.vec57
  %6 = fmul fast <2 x double> %strided.vec59, %strided.vec56
  %7 = fmul fast <2 x double> %strided.vec60, %strided.vec57
  %8 = fadd fast <2 x double> %7, %3
  %9 = fadd fast <2 x double> %6, %2
  %10 = fsub fast <2 x double> %9, %8
  %11 = fadd fast <2 x double> %0, %1
  %12 = fadd fast <2 x double> %11, %5
  %13 = fadd fast <2 x double> %12, %4
  %interleaved.vec = shufflevector <2 x double> %10, <2 x double> %13, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
  ret <4 x double> %interleaved.vec
}

; a * b - c * d
define <4 x double> @mul_sub_mull(<4 x double> %a, <4 x double> %b, <4 x double> %c, <4 x double> %d) {
; CHECK-LABEL: mul_sub_mull:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi v16.2d, #0000000000000000
; CHECK-NEXT:    movi v17.2d, #0000000000000000
; CHECK-NEXT:    fcmla v17.2d, v6.2d, v4.2d, #270
; CHECK-NEXT:    fcmla v16.2d, v7.2d, v5.2d, #270
; CHECK-NEXT:    fcmla v17.2d, v0.2d, v2.2d, #0
; CHECK-NEXT:    fcmla v16.2d, v1.2d, v3.2d, #0
; CHECK-NEXT:    fcmla v17.2d, v6.2d, v4.2d, #180
; CHECK-NEXT:    fcmla v16.2d, v7.2d, v5.2d, #180
; CHECK-NEXT:    fcmla v17.2d, v0.2d, v2.2d, #90
; CHECK-NEXT:    fcmla v16.2d, v1.2d, v3.2d, #90
; CHECK-NEXT:    mov v0.16b, v17.16b
; CHECK-NEXT:    mov v1.16b, v16.16b
; CHECK-NEXT:    ret
entry:
  %strided.vec = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec53 = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %strided.vec55 = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec56 = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %0 = fmul fast <2 x double> %strided.vec56, %strided.vec
  %1 = fmul fast <2 x double> %strided.vec55, %strided.vec53
  %2 = fmul fast <2 x double> %strided.vec55, %strided.vec
  %3 = fmul fast <2 x double> %strided.vec56, %strided.vec53
  %strided.vec58 = shufflevector <4 x double> %c, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec59 = shufflevector <4 x double> %c, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %strided.vec61 = shufflevector <4 x double> %d, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec62 = shufflevector <4 x double> %d, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %4 = fmul fast <2 x double> %strided.vec62, %strided.vec59
  %5 = fmul fast <2 x double> %strided.vec61, %strided.vec58
  %6 = fadd fast <2 x double> %5, %3
  %7 = fadd fast <2 x double> %4, %2
  %8 = fsub fast <2 x double> %7, %6
  %9 = fmul fast <2 x double> %strided.vec61, %strided.vec59
  %10 = fmul fast <2 x double> %strided.vec62, %strided.vec58
  %11 = fadd fast <2 x double> %10, %9
  %12 = fadd fast <2 x double> %0, %1
  %13 = fsub fast <2 x double> %12, %11
  %interleaved.vec = shufflevector <2 x double> %8, <2 x double> %13, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
  ret <4 x double> %interleaved.vec
}

; a * b + conj(c) * d
define <4 x double> @mul_conj_mull(<4 x double> %a, <4 x double> %b, <4 x double> %c, <4 x double> %d) {
; CHECK-LABEL: mul_conj_mull:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    movi v16.2d, #0000000000000000
; CHECK-NEXT:    movi v17.2d, #0000000000000000
; CHECK-NEXT:    fcmla v17.2d, v0.2d, v2.2d, #0
; CHECK-NEXT:    fcmla v16.2d, v1.2d, v3.2d, #0
; CHECK-NEXT:    fcmla v17.2d, v0.2d, v2.2d, #90
; CHECK-NEXT:    fcmla v16.2d, v1.2d, v3.2d, #90
; CHECK-NEXT:    fcmla v17.2d, v4.2d, v6.2d, #0
; CHECK-NEXT:    fcmla v16.2d, v5.2d, v7.2d, #0
; CHECK-NEXT:    fcmla v17.2d, v4.2d, v6.2d, #270
; CHECK-NEXT:    fcmla v16.2d, v5.2d, v7.2d, #270
; CHECK-NEXT:    mov v0.16b, v17.16b
; CHECK-NEXT:    mov v1.16b, v16.16b
; CHECK-NEXT:    ret
entry:
  %strided.vec = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec59 = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %strided.vec61 = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec62 = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %0 = fmul fast <2 x double> %strided.vec62, %strided.vec
  %1 = fmul fast <2 x double> %strided.vec61, %strided.vec59
  %2 = fmul fast <2 x double> %strided.vec61, %strided.vec
  %strided.vec64 = shufflevector <4 x double> %c, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec65 = shufflevector <4 x double> %c, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %strided.vec67 = shufflevector <4 x double> %d, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec68 = shufflevector <4 x double> %d, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %3 = fmul fast <2 x double> %strided.vec68, %strided.vec64
  %4 = fmul fast <2 x double> %strided.vec67, %strided.vec64
  %5 = fmul fast <2 x double> %strided.vec68, %strided.vec65
  %6 = fmul fast <2 x double> %strided.vec62, %strided.vec59
  %7 = fsub fast <2 x double> %2, %6
  %8 = fadd fast <2 x double> %7, %4
  %9 = fadd fast <2 x double> %8, %5
  %10 = fadd fast <2 x double> %0, %1
  %11 = fmul fast <2 x double> %strided.vec67, %strided.vec65
  %12 = fsub fast <2 x double> %10, %11
  %13 = fadd fast <2 x double> %12, %3
  %interleaved.vec = shufflevector <2 x double> %9, <2 x double> %13, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
  ret <4 x double> %interleaved.vec
}

; a + b + 1i * c * d
define <4 x double> @mul_add_rot_mull(<4 x double> %a, <4 x double> %b, <4 x double> %c, <4 x double> %d) {
; CHECK-LABEL: mul_add_rot_mull:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    zip2 v16.2d, v2.2d, v3.2d
; CHECK-NEXT:    zip2 v17.2d, v0.2d, v1.2d
; CHECK-NEXT:    zip1 v2.2d, v2.2d, v3.2d
; CHECK-NEXT:    zip2 v18.2d, v4.2d, v5.2d
; CHECK-NEXT:    zip1 v19.2d, v6.2d, v7.2d
; CHECK-NEXT:    zip1 v0.2d, v0.2d, v1.2d
; CHECK-NEXT:    zip1 v1.2d, v4.2d, v5.2d
; CHECK-NEXT:    zip2 v5.2d, v6.2d, v7.2d
; CHECK-NEXT:    fmul v3.2d, v16.2d, v17.2d
; CHECK-NEXT:    fmul v4.2d, v2.2d, v17.2d
; CHECK-NEXT:    fmla v3.2d, v18.2d, v19.2d
; CHECK-NEXT:    fmla v4.2d, v0.2d, v16.2d
; CHECK-NEXT:    fmla v3.2d, v1.2d, v5.2d
; CHECK-NEXT:    fmla v4.2d, v1.2d, v19.2d
; CHECK-NEXT:    fneg v3.2d, v3.2d
; CHECK-NEXT:    fmls v4.2d, v18.2d, v5.2d
; CHECK-NEXT:    fmla v3.2d, v0.2d, v2.2d
; CHECK-NEXT:    zip1 v0.2d, v3.2d, v4.2d
; CHECK-NEXT:    zip2 v1.2d, v3.2d, v4.2d
; CHECK-NEXT:    ret
entry:
  %strided.vec = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec79 = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %strided.vec81 = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec82 = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %0 = fmul fast <2 x double> %strided.vec82, %strided.vec
  %1 = fmul fast <2 x double> %strided.vec81, %strided.vec79
  %2 = fmul fast <2 x double> %strided.vec81, %strided.vec
  %3 = fmul fast <2 x double> %strided.vec82, %strided.vec79
  %strided.vec84 = shufflevector <4 x double> %c, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec85 = shufflevector <4 x double> %c, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %strided.vec87 = shufflevector <4 x double> %d, <4 x double> poison, <2 x i32> <i32 0, i32 2>
  %strided.vec88 = shufflevector <4 x double> %d, <4 x double> poison, <2 x i32> <i32 1, i32 3>
  %4 = fmul fast <2 x double> %strided.vec87, %strided.vec84
  %5 = fmul fast <2 x double> %strided.vec87, %strided.vec85
  %6 = fmul fast <2 x double> %strided.vec88, %strided.vec84
  %7 = fadd fast <2 x double> %5, %3
  %8 = fadd fast <2 x double> %7, %6
  %9 = fsub fast <2 x double> %2, %8
  %10 = fadd fast <2 x double> %0, %1
  %11 = fadd fast <2 x double> %10, %4
  %12 = fmul fast <2 x double> %strided.vec88, %strided.vec85
  %13 = fsub fast <2 x double> %11, %12
  %interleaved.vec = shufflevector <2 x double> %9, <2 x double> %13, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
  ret <4 x double> %interleaved.vec
}