void bitrevR2(float *ioptr, long M, short *BRLow) {
  float f0r;
  float f0i;
  float f1r;
  float f1i;
  float f2r;
  float f2i;
  float f3r;
  float f3i;
  float f4r;
  float f4i;
  float f5r;
  float f5i;
  float f6r;
  float f6i;
  float f7r;
  float f7i;
  float t0r;
  float t0i;
  float t1r;
  float t1i;
  float *p0r;
  float *p1r;
  float *IOP;
  float *iolimit;
  long Colstart;
  long iCol;
  unsigned long posA;
  unsigned long posAi;
  unsigned long posB;
  unsigned long posBi;
  const unsigned long Nrems2 = ((unsigned long)1 << ((M + 3) / 2));
  const unsigned long Nroot_1_ColInc = ((unsigned long)1 << (M)) - Nrems2;
  const unsigned long Nroot_1 = ((unsigned long)1 << (M / 2 - 1)) - 1;
  const unsigned long ColstartShift = (M + 1) / 2 + 1;
  posA = ((unsigned long)1 << (M));
  posAi = posA + 1;
  posB = posA + 2;
  posBi = posB + 1;
  iolimit = ioptr + Nrems2;
  for (; ioptr < iolimit; ioptr += ((unsigned long)1 << (M / 2 + 1))) {
    for (Colstart = Nroot_1; Colstart >= 0; Colstart--) {
      iCol = Nroot_1;
      p0r = ioptr + Nroot_1_ColInc + BRLow[Colstart] * 4;
      IOP = ioptr + (Colstart << ColstartShift);
      p1r = IOP + BRLow[iCol] * 4;
      f0r = *(p0r);
      f0i = *(p0r + 1);
      f1r = *(p0r + posA);
      f1i = *(p0r + posAi);
      for (; iCol > Colstart;) {
        f2r = *(p0r + 2);
        f2i = *(p0r + (2 + 1));
        f3r = *(p0r + posB);
        f3i = *(p0r + posBi);
        f4r = *(p1r);
        f4i = *(p1r + 1);
        f5r = *(p1r + posA);
        f5i = *(p1r + posAi);
        f6r = *(p1r + 2);
        f6i = *(p1r + (2 + 1));
        f7r = *(p1r + posB);
        f7i = *(p1r + posBi);
        t0r = f0r + f1r;
        t0i = f0i + f1i;
        f1r = f0r - f1r;
        f1i = f0i - f1i;
        t1r = f2r + f3r;
        t1i = f2i + f3i;
        f3r = f2r - f3r;
        f3i = f2i - f3i;
        f0r = f4r + f5r;
        f0i = f4i + f5i;
        f5r = f4r - f5r;
        f5i = f4i - f5i;
        f2r = f6r + f7r;
        f2i = f6i + f7i;
        f7r = f6r - f7r;
        f7i = f6i - f7i;
        *(p1r) = t0r;
        *(p1r + 1) = t0i;
        *(p1r + 2) = f1r;
        *(p1r + (2 + 1)) = f1i;
        *(p1r + posA) = t1r;
        *(p1r + posAi) = t1i;
        *(p1r + posB) = f3r;
        *(p1r + posBi) = f3i;
        *(p0r) = f0r;
        *(p0r + 1) = f0i;
        *(p0r + 2) = f5r;
        *(p0r + (2 + 1)) = f5i;
        *(p0r + posA) = f2r;
        *(p0r + posAi) = f2i;
        *(p0r + posB) = f7r;
        *(p0r + posBi) = f7i;
        p0r -= Nrems2;
        f0r = *(p0r);
        f0i = *(p0r + 1);
        f1r = *(p0r + posA);
        f1i = *(p0r + posAi);
        iCol -= 1;
        p1r = IOP + BRLow[iCol] * 4;
      };
      f2r = *(p0r + 2);
      f2i = *(p0r + (2 + 1));
      f3r = *(p0r + posB);
      f3i = *(p0r + posBi);
      t0r = f0r + f1r;
      t0i = f0i + f1i;
      f1r = f0r - f1r;
      f1i = f0i - f1i;
      t1r = f2r + f3r;
      t1i = f2i + f3i;
      f3r = f2r - f3r;
      f3i = f2i - f3i;
      *(p0r) = t0r;
      *(p0r + 1) = t0i;
      *(p0r + 2) = f1r;
      *(p0r + (2 + 1)) = f1i;
      *(p0r + posA) = t1r;
      *(p0r + posAi) = t1i;
      *(p0r + posB) = f3r;
      *(p0r + posBi) = f3i;
    };
  };
}


x86 assembly (clang, -O0):
<bitrevR2>:
push   %rbp
mov    %rsp,%rbp
sub    $0x58,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    -0x10(%rbp),%rax
add    $0x3,%rax
mov    $0x2,%ecx
cqto
idiv   %rcx
mov    %rax,%rcx
mov    $0x1,%eax
shl    %cl,%rax
mov    %rax,-0xc0(%rbp)
mov    -0x10(%rbp),%rcx
mov    $0x1,%eax
shl    %cl,%rax
sub    -0xc0(%rbp),%rax
mov    %rax,-0xc8(%rbp)
mov    -0x10(%rbp),%rax
mov    $0x2,%ecx
cqto
idiv   %rcx
mov    %rax,%rcx
sub    $0x1,%rcx
mov    $0x1,%eax
shl    %cl,%rax
sub    $0x1,%rax
mov    %rax,-0xd0(%rbp)
mov    -0x10(%rbp),%rax
add    $0x1,%rax
mov    $0x2,%ecx
cqto
idiv   %rcx
add    $0x1,%rax
mov    %rax,-0xd8(%rbp)
mov    -0x10(%rbp),%rcx
mov    $0x1,%eax
shl    %cl,%rax
mov    %rax,-0xa0(%rbp)
mov    -0xa0(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0xa8(%rbp)
mov    -0xa0(%rbp),%rax
add    $0x2,%rax
mov    %rax,-0xb0(%rbp)
mov    -0xb0(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0xb8(%rbp)
mov    -0x8(%rbp),%rax
mov    -0xc0(%rbp),%rcx
shl    $0x2,%rcx
add    %rcx,%rax
mov    %rax,-0x88(%rbp)
mov    -0x8(%rbp),%rax
cmp    -0x88(%rbp),%rax
jae    180b <bitrevR2+0x70b>
mov    -0xd0(%rbp),%rax
mov    %rax,-0x90(%rbp)
cmpq   $0x0,-0x90(%rbp)
jl     17d8 <bitrevR2+0x6d8>
mov    -0xd0(%rbp),%rax
mov    %rax,-0x98(%rbp)
mov    -0x8(%rbp),%rax
mov    -0xc8(%rbp),%rcx
shl    $0x2,%rcx
add    %rcx,%rax
mov    -0x18(%rbp),%rcx
mov    -0x90(%rbp),%rdx
movswl (%rcx,%rdx,2),%ecx
shl    $0x2,%ecx
movslq %ecx,%rcx
shl    $0x2,%rcx
add    %rcx,%rax
mov    %rax,-0x70(%rbp)
mov    -0x8(%rbp),%rax
mov    -0x90(%rbp),%rdx
mov    -0xd8(%rbp),%rcx
shl    %cl,%rdx
mov    %rdx,%rcx
shl    $0x2,%rcx
add    %rcx,%rax
mov    %rax,-0x80(%rbp)
mov    -0x80(%rbp),%rax
mov    -0x18(%rbp),%rcx
mov    -0x98(%rbp),%rdx
movswl (%rcx,%rdx,2),%ecx
shl    $0x2,%ecx
movslq %ecx,%rcx
shl    $0x2,%rcx
add    %rcx,%rax
mov    %rax,-0x78(%rbp)
mov    -0x70(%rbp),%rax
movss  (%rax),%xmm0
movss  %xmm0,-0x1c(%rbp)
mov    -0x70(%rbp),%rax
movss  0x4(%rax),%xmm0
movss  %xmm0,-0x20(%rbp)
mov    -0x70(%rbp),%rax
mov    -0xa0(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x24(%rbp)
mov    -0x70(%rbp),%rax
mov    -0xa8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x28(%rbp)
mov    -0x98(%rbp),%rax
cmp    -0x90(%rbp),%rax
jle    1678 <bitrevR2+0x578>
mov    -0x70(%rbp),%rax
movss  0x8(%rax),%xmm0
movss  %xmm0,-0x2c(%rbp)
mov    -0x70(%rbp),%rax
movss  0xc(%rax),%xmm0
movss  %xmm0,-0x30(%rbp)
mov    -0x70(%rbp),%rax
mov    -0xb0(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x34(%rbp)
mov    -0x70(%rbp),%rax
mov    -0xb8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x38(%rbp)
mov    -0x78(%rbp),%rax
movss  (%rax),%xmm0
movss  %xmm0,-0x3c(%rbp)
mov    -0x78(%rbp),%rax
movss  0x4(%rax),%xmm0
movss  %xmm0,-0x40(%rbp)
mov    -0x78(%rbp),%rax
mov    -0xa0(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x44(%rbp)
mov    -0x78(%rbp),%rax
mov    -0xa8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x48(%rbp)
mov    -0x78(%rbp),%rax
movss  0x8(%rax),%xmm0
movss  %xmm0,-0x4c(%rbp)
mov    -0x78(%rbp),%rax
movss  0xc(%rax),%xmm0
movss  %xmm0,-0x50(%rbp)
mov    -0x78(%rbp),%rax
mov    -0xb0(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x54(%rbp)
mov    -0x78(%rbp),%rax
mov    -0xb8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x58(%rbp)
movss  -0x1c(%rbp),%xmm0
addss  -0x24(%rbp),%xmm0
movss  %xmm0,-0x5c(%rbp)
movss  -0x20(%rbp),%xmm0
addss  -0x28(%rbp),%xmm0
movss  %xmm0,-0x60(%rbp)
movss  -0x1c(%rbp),%xmm0
subss  -0x24(%rbp),%xmm0
movss  %xmm0,-0x24(%rbp)
movss  -0x20(%rbp),%xmm0
subss  -0x28(%rbp),%xmm0
movss  %xmm0,-0x28(%rbp)
movss  -0x2c(%rbp),%xmm0
addss  -0x34(%rbp),%xmm0
movss  %xmm0,-0x64(%rbp)
movss  -0x30(%rbp),%xmm0
addss  -0x38(%rbp),%xmm0
movss  %xmm0,-0x68(%rbp)
movss  -0x2c(%rbp),%xmm0
subss  -0x34(%rbp),%xmm0
movss  %xmm0,-0x34(%rbp)
movss  -0x30(%rbp),%xmm0
subss  -0x38(%rbp),%xmm0
movss  %xmm0,-0x38(%rbp)
movss  -0x3c(%rbp),%xmm0
addss  -0x44(%rbp),%xmm0
movss  %xmm0,-0x1c(%rbp)
movss  -0x40(%rbp),%xmm0
addss  -0x48(%rbp),%xmm0
movss  %xmm0,-0x20(%rbp)
movss  -0x3c(%rbp),%xmm0
subss  -0x44(%rbp),%xmm0
movss  %xmm0,-0x44(%rbp)
movss  -0x40(%rbp),%xmm0
subss  -0x48(%rbp),%xmm0
movss  %xmm0,-0x48(%rbp)
movss  -0x4c(%rbp),%xmm0
addss  -0x54(%rbp),%xmm0
movss  %xmm0,-0x2c(%rbp)
movss  -0x50(%rbp),%xmm0
addss  -0x58(%rbp),%xmm0
movss  %xmm0,-0x30(%rbp)
movss  -0x4c(%rbp),%xmm0
subss  -0x54(%rbp),%xmm0
movss  %xmm0,-0x54(%rbp)
movss  -0x50(%rbp),%xmm0
subss  -0x58(%rbp),%xmm0
movss  %xmm0,-0x58(%rbp)
movss  -0x5c(%rbp),%xmm0
mov    -0x78(%rbp),%rax
movss  %xmm0,(%rax)
movss  -0x60(%rbp),%xmm0
mov    -0x78(%rbp),%rax
movss  %xmm0,0x4(%rax)
movss  -0x24(%rbp),%xmm0
mov    -0x78(%rbp),%rax
movss  %xmm0,0x8(%rax)
movss  -0x28(%rbp),%xmm0
mov    -0x78(%rbp),%rax
movss  %xmm0,0xc(%rax)
movss  -0x64(%rbp),%xmm0
mov    -0x78(%rbp),%rax
mov    -0xa0(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movss  -0x68(%rbp),%xmm0
mov    -0x78(%rbp),%rax
mov    -0xa8(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movss  -0x34(%rbp),%xmm0
mov    -0x78(%rbp),%rax
mov    -0xb0(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movss  -0x38(%rbp),%xmm0
mov    -0x78(%rbp),%rax
mov    -0xb8(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movss  -0x1c(%rbp),%xmm0
mov    -0x70(%rbp),%rax
movss  %xmm0,(%rax)
movss  -0x20(%rbp),%xmm0
mov    -0x70(%rbp),%rax
movss  %xmm0,0x4(%rax)
movss  -0x44(%rbp),%xmm0
mov    -0x70(%rbp),%rax
movss  %xmm0,0x8(%rax)
movss  -0x48(%rbp),%xmm0
mov    -0x70(%rbp),%rax
movss  %xmm0,0xc(%rax)
movss  -0x2c(%rbp),%xmm0
mov    -0x70(%rbp),%rax
mov    -0xa0(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movss  -0x30(%rbp),%xmm0
mov    -0x70(%rbp),%rax
mov    -0xa8(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movss  -0x54(%rbp),%xmm0
mov    -0x70(%rbp),%rax
mov    -0xb0(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movss  -0x58(%rbp),%xmm0
mov    -0x70(%rbp),%rax
mov    -0xb8(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
mov    -0xc0(%rbp),%rdx
mov    -0x70(%rbp),%rax
xor    %ecx,%ecx
sub    %rdx,%rcx
shl    $0x2,%rcx
add    %rcx,%rax
mov    %rax,-0x70(%rbp)
mov    -0x70(%rbp),%rax
movss  (%rax),%xmm0
movss  %xmm0,-0x1c(%rbp)
mov    -0x70(%rbp),%rax
movss  0x4(%rax),%xmm0
movss  %xmm0,-0x20(%rbp)
mov    -0x70(%rbp),%rax
mov    -0xa0(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x24(%rbp)
mov    -0x70(%rbp),%rax
mov    -0xa8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x28(%rbp)
mov    -0x98(%rbp),%rax
sub    $0x1,%rax
mov    %rax,-0x98(%rbp)
mov    -0x80(%rbp),%rax
mov    -0x18(%rbp),%rcx
mov    -0x98(%rbp),%rdx
movswl (%rcx,%rdx,2),%ecx
shl    $0x2,%ecx
movslq %ecx,%rcx
shl    $0x2,%rcx
add    %rcx,%rax
mov    %rax,-0x78(%rbp)
jmp    12f2 <bitrevR2+0x1f2>
mov    -0x70(%rbp),%rax
movss  0x8(%rax),%xmm0
movss  %xmm0,-0x2c(%rbp)
mov    -0x70(%rbp),%rax
movss  0xc(%rax),%xmm0
movss  %xmm0,-0x30(%rbp)
mov    -0x70(%rbp),%rax
mov    -0xb0(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x34(%rbp)
mov    -0x70(%rbp),%rax
mov    -0xb8(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
movss  %xmm0,-0x38(%rbp)
movss  -0x1c(%rbp),%xmm0
addss  -0x24(%rbp),%xmm0
movss  %xmm0,-0x5c(%rbp)
movss  -0x20(%rbp),%xmm0
addss  -0x28(%rbp),%xmm0
movss  %xmm0,-0x60(%rbp)
movss  -0x1c(%rbp),%xmm0
subss  -0x24(%rbp),%xmm0
movss  %xmm0,-0x24(%rbp)
movss  -0x20(%rbp),%xmm0
subss  -0x28(%rbp),%xmm0
movss  %xmm0,-0x28(%rbp)
movss  -0x2c(%rbp),%xmm0
addss  -0x34(%rbp),%xmm0
movss  %xmm0,-0x64(%rbp)
movss  -0x30(%rbp),%xmm0
addss  -0x38(%rbp),%xmm0
movss  %xmm0,-0x68(%rbp)
movss  -0x2c(%rbp),%xmm0
subss  -0x34(%rbp),%xmm0
movss  %xmm0,-0x34(%rbp)
movss  -0x30(%rbp),%xmm0
subss  -0x38(%rbp),%xmm0
movss  %xmm0,-0x38(%rbp)
movss  -0x5c(%rbp),%xmm0
mov    -0x70(%rbp),%rax
movss  %xmm0,(%rax)
movss  -0x60(%rbp),%xmm0
mov    -0x70(%rbp),%rax
movss  %xmm0,0x4(%rax)
movss  -0x24(%rbp),%xmm0
mov    -0x70(%rbp),%rax
movss  %xmm0,0x8(%rax)
movss  -0x28(%rbp),%xmm0
mov    -0x70(%rbp),%rax
movss  %xmm0,0xc(%rax)
movss  -0x64(%rbp),%xmm0
mov    -0x70(%rbp),%rax
mov    -0xa0(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movss  -0x68(%rbp),%xmm0
mov    -0x70(%rbp),%rax
mov    -0xa8(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movss  -0x34(%rbp),%xmm0
mov    -0x70(%rbp),%rax
mov    -0xb0(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
movss  -0x38(%rbp),%xmm0
mov    -0x70(%rbp),%rax
mov    -0xb8(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
mov    -0x90(%rbp),%rax
add    $0xffffffffffffffff,%rax
mov    %rax,-0x90(%rbp)
jmp    1218 <bitrevR2+0x118>
jmp    17dd <bitrevR2+0x6dd>
mov    -0x10(%rbp),%rax
mov    $0x2,%ecx
cqto
idiv   %rcx
mov    %rax,%rcx
add    $0x1,%rcx
mov    $0x1,%eax
shl    %cl,%rax
shl    $0x2,%rax
add    -0x8(%rbp),%rax
mov    %rax,-0x8(%rbp)
jmp    11f9 <bitrevR2+0xf9>
add    $0x58,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<bitrevR2>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
mov    %rsi,%r9
lea    0x3(%rsi),%rax
mov    %rax,%rcx
shr    $0x3f,%rcx
add    %eax,%ecx
shr    %ecx
mov    $0x1,%eax
shl    %cl,%rax
mov    $0x1,%esi
mov    %r9d,%ecx
shl    %cl,%rsi
mov    %r9,%r8
shr    $0x3f,%r8
add    %r9,%r8
sar    %r8
lea    -0x1(%r8),%ecx
mov    $0xffffffffffffffff,%r12
shl    %cl,%r12
lea    -0x7b(%r9),%rcx
cmp    $0x2,%rcx
jae    115f <bitrevR2+0x5f>
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret
mov    %rsi,%rbp
sub    %rax,%rbp
not    %r12
lea    0x1(%r9),%rcx
shr    $0x3f,%rcx
lea    (%r9,%rcx,1),%r11
add    $0x1,%r11
sar    %r11
add    $0x1,%r11
lea    0x1(%rsi),%rcx
mov    %rcx,-0x20(%rsp)
lea    (%rdi,%rax,4),%rcx
mov    %rcx,-0x38(%rsp)
add    $0x1,%r8b
mov    %r8d,%ecx
mov    $0x1,%ebx
shl    %cl,%rbx
movzwl (%rdx,%r12,2),%ecx
mov    %cx,-0x62(%rsp)
mov    %rbp,-0x30(%rsp)
lea    (%rdi,%rbp,4),%rcx
mov    %rcx,-0x48(%rsp)
lea    (%rsi,%rsi,1),%rcx
lea    (%rax,%rax,1),%r9
mov    %rcx,%r8
sub    %r9,%r8
mov    %rsi,%rbp
sub    %r9,%rbp
mov    %rbx,-0x28(%rsp)
lea    0x0(,%rbx,4),%rbx
mov    %rbx,-0x40(%rsp)
sub    %rax,%rcx
lea    0x0(,%rax,4),%rbx
neg    %rbx
lea    (%rdi,%r8,4),%rax
mov    %rax,-0x50(%rsp)
lea    (%rdi,%rcx,4),%rax
mov    %rax,-0x58(%rsp)
lea    (%rdi,%rbp,4),%rax
mov    %rax,-0x60(%rsp)
mov    %r12,-0x10(%rsp)
mov    %r11,-0x18(%rsp)
jmp    124d <bitrevR2+0x14d>
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
mov    -0x28(%rsp),%rax
lea    (%rdi,%rax,4),%rdi
mov    -0x40(%rsp),%rax
add    %rax,-0x48(%rsp)
add    %rax,-0x50(%rsp)
add    %rax,-0x58(%rsp)
add    %rax,-0x60(%rsp)
cmp    -0x38(%rsp),%rdi
jae    1154 <bitrevR2+0x54>
mov    -0x30(%rsp),%rax
lea    (%rdi,%rax,4),%r10
movzwl -0x62(%rsp),%ecx
mov    %r12,%r14
mov    %rdi,-0x8(%rsp)
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
movswl %cx,%eax
shl    $0x2,%eax
movslq %eax,%r15
mov    %r14,%rax
mov    %r11d,%ecx
shl    %cl,%rax
lea    (%r10,%r15,4),%rbp
movsd  (%r10,%r15,4),%xmm1
movsd  0x0(%rbp,%rsi,4),%xmm8
cmp    %r12,%r14
jge    1410 <bitrevR2+0x310>
lea    (%rdi,%rax,4),%r8
mov    -0x60(%rsp),%r11
mov    -0x58(%rsp),%rcx
mov    -0x50(%rsp),%rdi
mov    -0x48(%rsp),%r13
movzwl -0x62(%rsp),%ebp
nopl   0x0(%rax)
movswl %bp,%eax
shl    $0x2,%eax
movslq %eax,%rbp
lea    (%r8,%rbp,4),%r9
movsd  0x8(%r13,%r15,4),%xmm6
movsd  0x8(%rcx,%r15,4),%xmm7
movss  (%r8,%rbp,4),%xmm2
movss  0x4(%r8,%rbp,4),%xmm3
movss  (%r9,%rsi,4),%xmm12
movss  0x4(%r9,%rsi,4),%xmm9
movss  0x8(%r8,%rbp,4),%xmm13
movss  0xc(%r8,%rbp,4),%xmm14
movss  0x8(%r9,%rsi,4),%xmm10
movss  0xc(%r9,%rsi,4),%xmm11
movaps %xmm1,%xmm0
addps  %xmm8,%xmm0
subps  %xmm8,%xmm1
movlhps %xmm1,%xmm0
movaps %xmm6,%xmm1
addps  %xmm7,%xmm1
subps  %xmm7,%xmm6
movlhps %xmm6,%xmm1
movaps %xmm2,%xmm6
addss  %xmm12,%xmm6
movaps %xmm3,%xmm7
addss  %xmm9,%xmm7
subss  %xmm12,%xmm2
subss  %xmm9,%xmm3
movaps %xmm13,%xmm4
addss  %xmm10,%xmm4
movaps %xmm14,%xmm5
addss  %xmm11,%xmm5
subss  %xmm10,%xmm13
subss  %xmm11,%xmm14
movups %xmm0,(%r8,%rbp,4)
movups %xmm1,(%r9,%rsi,4)
movss  %xmm6,0x0(%r13,%r15,4)
movss  %xmm7,0x4(%r13,%r15,4)
movss  %xmm2,0x8(%r13,%r15,4)
movss  %xmm3,0xc(%r13,%r15,4)
movss  %xmm4,(%rcx,%r15,4)
movss  %xmm5,0x4(%rcx,%r15,4)
movss  %xmm13,0x8(%rcx,%r15,4)
movss  %xmm14,0xc(%rcx,%r15,4)
movzwl -0x2(%rdx,%r12,2),%ebp
add    $0xffffffffffffffff,%r12
movsd  (%r11,%r15,4),%xmm1
movsd  (%rdi,%r15,4),%xmm8
add    %rbx,%r13
add    %rbx,%rdi
add    %rbx,%rcx
add    %rbx,%r11
cmp    %r14,%r12
jg     12c0 <bitrevR2+0x1c0>
movaps %xmm8,%xmm9
shufps $0x55,%xmm8,%xmm9
movaps %xmm1,%xmm10
shufps $0x55,%xmm1,%xmm10
lea    0x0(,%r15,4),%rbp
add    %r13,%rbp
lea    0x4(%r13,%r15,4),%r8
lea    (%rcx,%r15,4),%rax
lea    0x4(%rcx,%r15,4),%rcx
mov    -0x10(%rsp),%r12
mov    -0x8(%rsp),%rdi
mov    -0x18(%rsp),%r11
jmp    143f <bitrevR2+0x33f>
nopl   0x0(%rax)
lea    (%r10,%r15,4),%r8
add    $0x4,%r8
movaps %xmm1,%xmm10
shufps $0x55,%xmm1,%xmm10
lea    0x0(%rbp,%rsi,4),%rax
mov    -0x20(%rsp),%rcx
lea    0x0(,%rcx,4),%rcx
add    %rbp,%rcx
movaps %xmm8,%xmm9
shufps $0x55,%xmm8,%xmm9
movss  0x8(%rbp),%xmm3
movss  0xc(%rbp),%xmm6
movss  0x8(%rbp,%rsi,4),%xmm5
movss  0xc(%rbp,%rsi,4),%xmm11
movaps %xmm1,%xmm7
addss  %xmm8,%xmm7
movaps %xmm10,%xmm2
addss  %xmm9,%xmm2
subss  %xmm8,%xmm1
subss  %xmm9,%xmm10
movaps %xmm3,%xmm0
addss  %xmm5,%xmm0
movaps %xmm6,%xmm4
addss  %xmm11,%xmm4
subss  %xmm5,%xmm3
subss  %xmm11,%xmm6
movss  %xmm7,0x0(%rbp)
movss  %xmm2,(%r8)
movss  %xmm1,0x8(%rbp)
movss  %xmm10,0xc(%rbp)
movss  %xmm0,(%rax)
movss  %xmm4,(%rcx)
movss  %xmm3,0x8(%rbp,%rsi,4)
movss  %xmm6,0xc(%rbp,%rsi,4)
test   %r14,%r14
jle    1220 <bitrevR2+0x120>
add    $0xffffffffffffffff,%r14
movzwl (%rdx,%r14,2),%ecx
jmp    1270 <bitrevR2+0x170>

LLVM IR (-O0):
define void @bitrevR2(float* %0, i64 %1, i16* %2) {
%4 = alloca float*
%5 = alloca i64
%6 = alloca i16*
%7 = alloca float
%8 = alloca float
%9 = alloca float
%10 = alloca float
%11 = alloca float
%12 = alloca float
%13 = alloca float
%14 = alloca float
%15 = alloca float
%16 = alloca float
%17 = alloca float
%18 = alloca float
%19 = alloca float
%20 = alloca float
%21 = alloca float
%22 = alloca float
%23 = alloca float
%24 = alloca float
%25 = alloca float
%26 = alloca float
%27 = alloca float*
%28 = alloca float*
%29 = alloca float*
%30 = alloca float*
%31 = alloca i64
%32 = alloca i64
%33 = alloca i64
%34 = alloca i64
%35 = alloca i64
%36 = alloca i64
%37 = alloca i64
%38 = alloca i64
%39 = alloca i64
%40 = alloca i64
store float* %0, float** %4
store i64 %1, i64* %5
store i16* %2, i16** %6
%41 = load i64, i64* %5
%42 = add nsw i64 %41, 3
%43 = sdiv i64 %42, 2
%44 = shl i64 1, %43
store i64 %44, i64* %37
%45 = load i64, i64* %5
%46 = shl i64 1, %45
%47 = load i64, i64* %37
%48 = sub i64 %46, %47
store i64 %48, i64* %38
%49 = load i64, i64* %5
%50 = sdiv i64 %49, 2
%51 = sub nsw i64 %50, 1
%52 = shl i64 1, %51
%53 = sub i64 %52, 1
store i64 %53, i64* %39
%54 = load i64, i64* %5
%55 = add nsw i64 %54, 1
%56 = sdiv i64 %55, 2
%57 = add nsw i64 %56, 1
store i64 %57, i64* %40
%58 = load i64, i64* %5
%59 = shl i64 1, %58
store i64 %59, i64* %33
%60 = load i64, i64* %33
%61 = add i64 %60, 1
store i64 %61, i64* %34
%62 = load i64, i64* %33
%63 = add i64 %62, 2
store i64 %63, i64* %35
%64 = load i64, i64* %35
%65 = add i64 %64, 1
store i64 %65, i64* %36
%66 = load float*, float** %4
%67 = load i64, i64* %37
%68 = getelementptr inbounds float, float* %66, i64 %67
store float* %68, float** %30
br label %69
69: ; preds = %364, %3
%70 = load float*, float** %4
%71 = load float*, float** %30
%72 = icmp ult float* %70, %71
br i1 %72, label %73, label %371
73: ; preds = %69
%74 = load i64, i64* %39
store i64 %74, i64* %31
br label %75
75: ; preds = %360, %73
%76 = load i64, i64* %31
%77 = icmp sge i64 %76, 0
br i1 %77, label %78, label %363
78: ; preds = %75
%79 = load i64, i64* %39
store i64 %79, i64* %32
%80 = load float*, float** %4
%81 = load i64, i64* %38
%82 = getelementptr inbounds float, float* %80, i64 %81
%83 = load i16*, i16** %6
%84 = load i64, i64* %31
%85 = getelementptr inbounds i16, i16* %83, i64 %84
%86 = load i16, i16* %85
%87 = sext i16 %86 to i32
%88 = mul nsw i32 %87, 4
%89 = sext i32 %88 to i64
%90 = getelementptr inbounds float, float* %82, i64 %89
store float* %90, float** %27
%91 = load float*, float** %4
%92 = load i64, i64* %31
%93 = load i64, i64* %40
%94 = shl i64 %92, %93
%95 = getelementptr inbounds float, float* %91, i64 %94
store float* %95, float** %29
%96 = load float*, float** %29
%97 = load i16*, i16** %6
%98 = load i64, i64* %32
%99 = getelementptr inbounds i16, i16* %97, i64 %98
%100 = load i16, i16* %99
%101 = sext i16 %100 to i32
%102 = mul nsw i32 %101, 4
%103 = sext i32 %102 to i64
%104 = getelementptr inbounds float, float* %96, i64 %103
store float* %104, float** %28
%105 = load float*, float** %27
%106 = load float, float* %105
store float %106, float* %7
%107 = load float*, float** %27
%108 = getelementptr inbounds float, float* %107, i64 1
%109 = load float, float* %108
store float %109, float* %8
%110 = load float*, float** %27
%111 = load i64, i64* %33
%112 = getelementptr inbounds float, float* %110, i64 %111
%113 = load float, float* %112
store float %113, float* %9
%114 = load float*, float** %27
%115 = load i64, i64* %34
%116 = getelementptr inbounds float, float* %114, i64 %115
%117 = load float, float* %116
store float %117, float* %10
br label %118
118: ; preds = %122, %78
%119 = load i64, i64* %32
%120 = load i64, i64* %31
%121 = icmp sgt i64 %119, %120
br i1 %121, label %122, label %294
122: ; preds = %118
%123 = load float*, float** %27
%124 = getelementptr inbounds float, float* %123, i64 2
%125 = load float, float* %124
store float %125, float* %11
%126 = load float*, float** %27
%127 = getelementptr inbounds float, float* %126, i64 3
%128 = load float, float* %127
store float %128, float* %12
%129 = load float*, float** %27
%130 = load i64, i64* %35
%131 = getelementptr inbounds float, float* %129, i64 %130
%132 = load float, float* %131
store float %132, float* %13
%133 = load float*, float** %27
%134 = load i64, i64* %36
%135 = getelementptr inbounds float, float* %133, i64 %134
%136 = load float, float* %135
store float %136, float* %14
%137 = load float*, float** %28
%138 = load float, float* %137
store float %138, float* %15
%139 = load float*, float** %28
%140 = getelementptr inbounds float, float* %139, i64 1
%141 = load float, float* %140
store float %141, float* %16
%142 = load float*, float** %28
%143 = load i64, i64* %33
%144 = getelementptr inbounds float, float* %142, i64 %143
%145 = load float, float* %144
store float %145, float* %17
%146 = load float*, float** %28
%147 = load i64, i64* %34
%148 = getelementptr inbounds float, float* %146, i64 %147
%149 = load float, float* %148
store float %149, float* %18
%150 = load float*, float** %28
%151 = getelementptr inbounds float, float* %150, i64 2
%152 = load float, float* %151
store float %152, float* %19
%153 = load float*, float** %28
%154 = getelementptr inbounds float, float* %153, i64 3
%155 = load float, float* %154
store float %155, float* %20
%156 = load float*, float** %28
%157 = load i64, i64* %35
%158 = getelementptr inbounds float, float* %156, i64 %157
%159 = load float, float* %158
store float %159, float* %21
%160 = load float*, float** %28
%161 = load i64, i64* %36
%162 = getelementptr inbounds float, float* %160, i64 %161
%163 = load float, float* %162
store float %163, float* %22
%164 = load float, float* %7
%165 = load float, float* %9
%166 = fadd float %164, %165
store float %166, float* %23
%167 = load float, float* %8
%168 = load float, float* %10
%169 = fadd float %167, %168
store float %169, float* %24
%170 = load float, float* %7
%171 = load float, float* %9
%172 = fsub float %170, %171
store float %172, float* %9
%173 = load float, float* %8
%174 = load float, float* %10
%175 = fsub float %173, %174
store float %175, float* %10
%176 = load float, float* %11
%177 = load float, float* %13
%178 = fadd float %176, %177
store float %178, float* %25
%179 = load float, float* %12
%180 = load float, float* %14
%181 = fadd float %179, %180
store float %181, float* %26
%182 = load float, float* %11
%183 = load float, float* %13
%184 = fsub float %182, %183
store float %184, float* %13
%185 = load float, float* %12
%186 = load float, float* %14
%187 = fsub float %185, %186
store float %187, float* %14
%188 = load float, float* %15
%189 = load float, float* %17
%190 = fadd float %188, %189
store float %190, float* %7
%191 = load float, float* %16
%192 = load float, float* %18
%193 = fadd float %191, %192
store float %193, float* %8
%194 = load float, float* %15
%195 = load float, float* %17
%196 = fsub float %194, %195
store float %196, float* %17
%197 = load float, float* %16
%198 = load float, float* %18
%199 = fsub float %197, %198
store float %199, float* %18
%200 = load float, float* %19
%201 = load float, float* %21
%202 = fadd float %200, %201
store float %202, float* %11
%203 = load float, float* %20
%204 = load float, float* %22
%205 = fadd float %203, %204
store float %205, float* %12
%206 = load float, float* %19
%207 = load float, float* %21
%208 = fsub float %206, %207
store float %208, float* %21
%209 = load float, float* %20
%210 = load float, float* %22
%211 = fsub float %209, %210
store float %211, float* %22
%212 = load float, float* %23
%213 = load float*, float** %28
store float %212, float* %213
%214 = load float, float* %24
%215 = load float*, float** %28
%216 = getelementptr inbounds float, float* %215, i64 1
store float %214, float* %216
%217 = load float, float* %9
%218 = load float*, float** %28
%219 = getelementptr inbounds float, float* %218, i64 2
store float %217, float* %219
%220 = load float, float* %10
%221 = load float*, float** %28
%222 = getelementptr inbounds float, float* %221, i64 3
store float %220, float* %222
%223 = load float, float* %25
%224 = load float*, float** %28
%225 = load i64, i64* %33
%226 = getelementptr inbounds float, float* %224, i64 %225
store float %223, float* %226
%227 = load float, float* %26
%228 = load float*, float** %28
%229 = load i64, i64* %34
%230 = getelementptr inbounds float, float* %228, i64 %229
store float %227, float* %230
%231 = load float, float* %13
%232 = load float*, float** %28
%233 = load i64, i64* %35
%234 = getelementptr inbounds float, float* %232, i64 %233
store float %231, float* %234
%235 = load float, float* %14
%236 = load float*, float** %28
%237 = load i64, i64* %36
%238 = getelementptr inbounds float, float* %236, i64 %237
store float %235, float* %238
%239 = load float, float* %7
%240 = load float*, float** %27
store float %239, float* %240
%241 = load float, float* %8
%242 = load float*, float** %27
%243 = getelementptr inbounds float, float* %242, i64 1
store float %241, float* %243
%244 = load float, float* %17
%245 = load float*, float** %27
%246 = getelementptr inbounds float, float* %245, i64 2
store float %244, float* %246
%247 = load float, float* %18
%248 = load float*, float** %27
%249 = getelementptr inbounds float, float* %248, i64 3
store float %247, float* %249
%250 = load float, float* %11
%251 = load float*, float** %27
%252 = load i64, i64* %33
%253 = getelementptr inbounds float, float* %251, i64 %252
store float %250, float* %253
%254 = load float, float* %12
%255 = load float*, float** %27
%256 = load i64, i64* %34
%257 = getelementptr inbounds float, float* %255, i64 %256
store float %254, float* %257
%258 = load float, float* %21
%259 = load float*, float** %27
%260 = load i64, i64* %35
%261 = getelementptr inbounds float, float* %259, i64 %260
store float %258, float* %261
%262 = load float, float* %22
%263 = load float*, float** %27
%264 = load i64, i64* %36
%265 = getelementptr inbounds float, float* %263, i64 %264
store float %262, float* %265
%266 = load i64, i64* %37
%267 = load float*, float** %27
%268 = sub i64 0, %266
%269 = getelementptr inbounds float, float* %267, i64 %268
store float* %269, float** %27
%270 = load float*, float** %27
%271 = load float, float* %270
store float %271, float* %7
%272 = load float*, float** %27
%273 = getelementptr inbounds float, float* %272, i64 1
%274 = load float, float* %273
store float %274, float* %8
%275 = load float*, float** %27
%276 = load i64, i64* %33
%277 = getelementptr inbounds float, float* %275, i64 %276
%278 = load float, float* %277
store float %278, float* %9
%279 = load float*, float** %27
%280 = load i64, i64* %34
%281 = getelementptr inbounds float, float* %279, i64 %280
%282 = load float, float* %281
store float %282, float* %10
%283 = load i64, i64* %32
%284 = sub nsw i64 %283, 1
store i64 %284, i64* %32
%285 = load float*, float** %29
%286 = load i16*, i16** %6
%287 = load i64, i64* %32
%288 = getelementptr inbounds i16, i16* %286, i64 %287
%289 = load i16, i16* %288
%290 = sext i16 %289 to i32
%291 = mul nsw i32 %290, 4
%292 = sext i32 %291 to i64
%293 = getelementptr inbounds float, float* %285, i64 %292
store float* %293, float** %28
br label %118
294: ; preds = %118
%295 = load float*, float** %27
%296 = getelementptr inbounds float, float* %295, i64 2
%297 = load float, float* %296
store float %297, float* %11
%298 = load float*, float** %27
%299 = getelementptr inbounds float, float* %298, i64 3
%300 = load float, float* %299
store float %300, float* %12
%301 = load float*, float** %27
%302 = load i64, i64* %35
%303 = getelementptr inbounds float, float* %301, i64 %302
%304 = load float, float* %303
store float %304, float* %13
%305 = load float*, float** %27
%306 = load i64, i64* %36
%307 = getelementptr inbounds float, float* %305, i64 %306
%308 = load float, float* %307
store float %308, float* %14
%309 = load float, float* %7
%310 = load float, float* %9
%311 = fadd float %309, %310
store float %311, float* %23
%312 = load float, float* %8
%313 = load float, float* %10
%314 = fadd float %312, %313
store float %314, float* %24
%315 = load float, float* %7
%316 = load float, float* %9
%317 = fsub float %315, %316
store float %317, float* %9
%318 = load float, float* %8
%319 = load float, float* %10
%320 = fsub float %318, %319
store float %320, float* %10
%321 = load float, float* %11
%322 = load float, float* %13
%323 = fadd float %321, %322
store float %323, float* %25
%324 = load float, float* %12
%325 = load float, float* %14
%326 = fadd float %324, %325
store float %326, float* %26
%327 = load float, float* %11
%328 = load float, float* %13
%329 = fsub float %327, %328
store float %329, float* %13
%330 = load float, float* %12
%331 = load float, float* %14
%332 = fsub float %330, %331
store float %332, float* %14
%333 = load float, float* %23
%334 = load float*, float** %27
store float %333, float* %334
%335 = load float, float* %24
%336 = load float*, float** %27
%337 = getelementptr inbounds float, float* %336, i64 1
store float %335, float* %337
%338 = load float, float* %9
%339 = load float*, float** %27
%340 = getelementptr inbounds float, float* %339, i64 2
store float %338, float* %340
%341 = load float, float* %10
%342 = load float*, float** %27
%343 = getelementptr inbounds float, float* %342, i64 3
store float %341, float* %343
%344 = load float, float* %25
%345 = load float*, float** %27
%346 = load i64, i64* %33
%347 = getelementptr inbounds float, float* %345, i64 %346
store float %344, float* %347
%348 = load float, float* %26
%349 = load float*, float** %27
%350 = load i64, i64* %34
%351 = getelementptr inbounds float, float* %349, i64 %350
store float %348, float* %351
%352 = load float, float* %13
%353 = load float*, float** %27
%354 = load i64, i64* %35
%355 = getelementptr inbounds float, float* %353, i64 %354
store float %352, float* %355
%356 = load float, float* %14
%357 = load float*, float** %27
%358 = load i64, i64* %36
%359 = getelementptr inbounds float, float* %357, i64 %358
store float %356, float* %359
br label %360
360: ; preds = %294
%361 = load i64, i64* %31
%362 = add nsw i64 %361, -1
store i64 %362, i64* %31
br label %75
363: ; preds = %75
br label %364
364: ; preds = %363
%365 = load i64, i64* %5
%366 = sdiv i64 %365, 2
%367 = add nsw i64 %366, 1
%368 = shl i64 1, %367
%369 = load float*, float** %4
%370 = getelementptr inbounds float, float* %369, i64 %368
store float* %370, float** %4
br label %69
371: ; preds = %69
ret void
}

LLVM IR (-O2):
define void @bitrevR2(float* %0, i64 %1, i16* nocapture %2) {
%4 = add nsw i64 %1, 3
%5 = sdiv i64 %4, 2
%6 = shl nuw i64 1, %5
%7 = shl nuw i64 1, %1
%8 = sub i64 %7, %6
%9 = sdiv i64 %1, 2
%10 = add nsw i64 %9, -1
%11 = shl nsw i64 -1, %10
%12 = xor i64 %11, -1
%13 = add nsw i64 %1, 1
%14 = sdiv i64 %13, 2
%15 = add nsw i64 %14, 1
%16 = add nuw i64 %7, 1
%17 = add nuw i64 %7, 2
%18 = add nuw i64 %7, 3
%19 = getelementptr inbounds float, float* %0, i64 %6
%20 = add i64 %1, -123
%21 = icmp ult i64 %20, 2
br i1 %21, label %158, label %22
22: ; preds = %3
%23 = getelementptr inbounds i16, i16* %2, i64 %12
%24 = sub i64 0, %6
%25 = add nsw i64 %9, 1
%26 = shl nuw i64 1, %25
%27 = load i16, i16* %23
br label %28
28: ; preds = %155, %22
%29 = phi float* [ %0, %22 ], [ %156, %155 ]
%30 = getelementptr inbounds float, float* %29, i64 %8
br label %31
31: ; preds = %152, %28
%32 = phi i16 [ %27, %28 ], [ %154, %152 ]
%33 = phi i64 [ %12, %28 ], [ %150, %152 ]
%34 = sext i16 %32 to i32
%35 = shl nsw i32 %34, 2
%36 = sext i32 %35 to i64
%37 = getelementptr inbounds float, float* %30, i64 %36
%38 = shl i64 %33, %15
%39 = getelementptr inbounds float, float* %29, i64 %38
%40 = getelementptr inbounds float, float* %37, i64 1
%41 = bitcast float* %37 to <2 x float>*
%42 = load <2 x float>, <2 x float>* %41
%43 = getelementptr inbounds float, float* %37, i64 %7
%44 = getelementptr inbounds float, float* %37, i64 %16
%45 = bitcast float* %43 to <2 x float>*
%46 = load <2 x float>, <2 x float>* %45
%47 = icmp slt i64 %33, %12
%48 = extractelement <2 x float> %42, i64 0
%49 = extractelement <2 x float> %42, i64 1
%50 = extractelement <2 x float> %46, i64 0
%51 = extractelement <2 x float> %46, i64 1
br i1 %47, label %52, label %125
52: ; preds = %31, %52
%53 = phi i16 [ %111, %52 ], [ %27, %31 ]
%54 = phi float* [ %116, %52 ], [ %44, %31 ]
%55 = phi float* [ %115, %52 ], [ %43, %31 ]
%56 = phi float* [ %112, %52 ], [ %40, %31 ]
%57 = phi i64 [ %109, %52 ], [ %12, %31 ]
%58 = phi float* [ %108, %52 ], [ %37, %31 ]
%59 = phi <2 x float> [ %114, %52 ], [ %42, %31 ]
%60 = phi <2 x float> [ %118, %52 ], [ %46, %31 ]
%61 = shufflevector <2 x float> %60, <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
%62 = shufflevector <2 x float> %59, <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
%63 = sext i16 %53 to i32
%64 = shl nsw i32 %63, 2
%65 = sext i32 %64 to i64
%66 = getelementptr inbounds float, float* %39, i64 %65
%67 = getelementptr inbounds float, float* %58, i64 2
%68 = getelementptr inbounds float, float* %58, i64 3
%69 = bitcast float* %67 to <2 x float>*
%70 = load <2 x float>, <2 x float>* %69
%71 = shufflevector <2 x float> %70, <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
%72 = getelementptr inbounds float, float* %58, i64 %17
%73 = getelementptr inbounds float, float* %58, i64 %18
%74 = bitcast float* %72 to <2 x float>*
%75 = load <2 x float>, <2 x float>* %74
%76 = shufflevector <2 x float> %75, <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
%77 = load float, float* %66
%78 = getelementptr inbounds float, float* %66, i64 1
%79 = load float, float* %78
%80 = getelementptr inbounds float, float* %66, i64 %7
%81 = load float, float* %80
%82 = getelementptr inbounds float, float* %66, i64 %16
%83 = load float, float* %82
%84 = getelementptr inbounds float, float* %66, i64 2
%85 = load float, float* %84
%86 = getelementptr inbounds float, float* %66, i64 3
%87 = load float, float* %86
%88 = getelementptr inbounds float, float* %66, i64 %17
%89 = load float, float* %88
%90 = getelementptr inbounds float, float* %66, i64 %18
%91 = load float, float* %90
%92 = fadd <4 x float> %62, %61
%93 = fsub <4 x float> %62, %61
%94 = shufflevector <4 x float> %92, <4 x float> %93, <4 x i32> <i32 0, i32 1, i32 6, i32 7>
%95 = fadd <4 x float> %71, %76
%96 = fsub <4 x float> %71, %76
%97 = shufflevector <4 x float> %95, <4 x float> %96, <4 x i32> <i32 0, i32 1, i32 6, i32 7>
%98 = fadd float %77, %81
%99 = fadd float %79, %83
%100 = fsub float %77, %81
%101 = fsub float %79, %83
%102 = fadd float %85, %89
%103 = fadd float %87, %91
%104 = fsub float %85, %89
%105 = fsub float %87, %91
%106 = bitcast float* %66 to <4 x float>*
store <4 x float> %94, <4 x float>* %106
%107 = bitcast float* %80 to <4 x float>*
store <4 x float> %97, <4 x float>* %107
store float %98, float* %58
store float %99, float* %56
store float %100, float* %67
store float %101, float* %68
store float %102, float* %55
store float %103, float* %54
store float %104, float* %72
store float %105, float* %73
%108 = getelementptr inbounds float, float* %58, i64 %24
%109 = add nsw i64 %57, -1
%110 = getelementptr inbounds i16, i16* %2, i64 %109
%111 = load i16, i16* %110
%112 = getelementptr inbounds float, float* %108, i64 1
%113 = bitcast float* %108 to <2 x float>*
%114 = load <2 x float>, <2 x float>* %113
%115 = getelementptr inbounds float, float* %108, i64 %7
%116 = getelementptr inbounds float, float* %108, i64 %16
%117 = bitcast float* %115 to <2 x float>*
%118 = load <2 x float>, <2 x float>* %117
%119 = icmp sgt i64 %109, %33
br i1 %119, label %52, label %120
120: ; preds = %52
%121 = extractelement <2 x float> %118, i64 1
%122 = extractelement <2 x float> %118, i64 0
%123 = extractelement <2 x float> %114, i64 1
%124 = extractelement <2 x float> %114, i64 0
br label %125
125: ; preds = %120, %31
%126 = phi float* [ %37, %31 ], [ %108, %120 ]
%127 = phi float [ %48, %31 ], [ %124, %120 ]
%128 = phi float* [ %40, %31 ], [ %112, %120 ]
%129 = phi float [ %49, %31 ], [ %123, %120 ]
%130 = phi float* [ %43, %31 ], [ %115, %120 ]
%131 = phi float [ %50, %31 ], [ %122, %120 ]
%132 = phi float* [ %44, %31 ], [ %116, %120 ]
%133 = phi float [ %51, %31 ], [ %121, %120 ]
%134 = getelementptr inbounds float, float* %126, i64 2
%135 = load float, float* %134
%136 = getelementptr inbounds float, float* %126, i64 3
%137 = load float, float* %136
%138 = getelementptr inbounds float, float* %126, i64 %17
%139 = load float, float* %138
%140 = getelementptr inbounds float, float* %126, i64 %18
%141 = load float, float* %140
%142 = fadd float %127, %131
%143 = fadd float %129, %133
%144 = fsub float %127, %131
%145 = fsub float %129, %133
%146 = fadd float %135, %139
%147 = fadd float %137, %141
%148 = fsub float %135, %139
%149 = fsub float %137, %141
store float %142, float* %126
store float %143, float* %128
store float %144, float* %134
store float %145, float* %136
store float %146, float* %130
store float %147, float* %132
store float %148, float* %138
store float %149, float* %140
%150 = add nsw i64 %33, -1
%151 = icmp sgt i64 %33, 0
br i1 %151, label %152, label %155
152: ; preds = %125
%153 = getelementptr inbounds i16, i16* %2, i64 %150
%154 = load i16, i16* %153
br label %31
155: ; preds = %125
%156 = getelementptr inbounds float, float* %29, i64 %26
%157 = icmp ult float* %156, %19
br i1 %157, label %28, label %158
158: ; preds = %155, %3
ret void
}