#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ radf2(int, int, double *, double *, double const *);
int /*<<< orphan*/ radf3(int, int, double *, double *, double const *,
                         double const *);
int /*<<< orphan*/ radf4(int, int, double *, double *, double const *,
                         double const *, double const *);
int /*<<< orphan*/ radf5(int, int, double *, double *, double const *,
                         double const *, double const *, double const *);
int /*<<< orphan*/ radfg(int, int, int, int, double *, double *, double *,
                         double *, double *, double const *);
void rfftf1(int n, double c[], double ch[], const double wa[],
            const int ifac[]) {
  int i;
  int k1, l1, l2, na, kh, nf, ip, iw, ix2, ix3, ix4, ido, idl1;
  nf = ifac[1];
  na = 1;
  l2 = n;
  iw = n - 1;
  for (k1 = 1; k1 <= nf; ++k1) {
    kh = nf - k1;
    ip = ifac[kh + 2];
    l1 = l2 / ip;
    ido = n / l2;
    idl1 = ido * l1;
    iw -= (ip - 1) * ido;
    na = 1 - na;
    if (ip == 4) {
      ix2 = iw + ido;
      ix3 = ix2 + ido;
      if (na == 0)
        radf4(ido, l1, c, ch, &wa[iw], &wa[ix2], &wa[ix3]);
      else
        radf4(ido, l1, ch, c, &wa[iw], &wa[ix2], &wa[ix3]);
    } else if (ip == 2) {
      if (na == 0)
        radf2(ido, l1, c, ch, &wa[iw]);
      else
        radf2(ido, l1, ch, c, &wa[iw]);
    } else if (ip == 3) {
      ix2 = iw + ido;
      if (na == 0)
        radf3(ido, l1, c, ch, &wa[iw], &wa[ix2]);
      else
        radf3(ido, l1, ch, c, &wa[iw], &wa[ix2]);
    } else if (ip == 5) {
      ix2 = iw + ido;
      ix3 = ix2 + ido;
      ix4 = ix3 + ido;
      if (na == 0)
        radf5(ido, l1, c, ch, &wa[iw], &wa[ix2], &wa[ix3], &wa[ix4]);
      else
        radf5(ido, l1, ch, c, &wa[iw], &wa[ix2], &wa[ix3], &wa[ix4]);
    } else {
      if (ido == 1)
        na = 1 - na;
      if (na == 0) {
        radfg(ido, ip, l1, idl1, c, c, c, ch, ch, &wa[iw]);
        na = 1;
      } else {
        radfg(ido, ip, l1, idl1, ch, ch, ch, c, c, &wa[iw]);
        na = 0;
      }
    }
    l2 = l1;
  }
  if (na == 1)
    return;
  for (i = 0; i < n; i++)
    c[i] = ch[i];
}


x86 assembly (clang, -O0):
<rfftf1>:
push   %rbp
mov    %rsp,%rbp
push   %r14
push   %rbx
sub    $0x80,%rsp
mov    %edi,-0x14(%rbp)
mov    %rsi,-0x20(%rbp)
mov    %rdx,-0x28(%rbp)
mov    %rcx,-0x30(%rbp)
mov    %r8,-0x38(%rbp)
mov    -0x38(%rbp),%rax
mov    0x4(%rax),%eax
mov    %eax,-0x54(%rbp)
movl   $0x1,-0x4c(%rbp)
mov    -0x14(%rbp),%eax
mov    %eax,-0x48(%rbp)
mov    -0x14(%rbp),%eax
sub    $0x1,%eax
mov    %eax,-0x5c(%rbp)
movl   $0x1,-0x40(%rbp)
mov    -0x40(%rbp),%eax
cmp    -0x54(%rbp),%eax
jg     156f <rfftf1+0x41f>
mov    -0x54(%rbp),%eax
sub    -0x40(%rbp),%eax
mov    %eax,-0x50(%rbp)
mov    -0x38(%rbp),%rax
mov    -0x50(%rbp),%ecx
add    $0x2,%ecx
movslq %ecx,%rcx
mov    (%rax,%rcx,4),%eax
mov    %eax,-0x58(%rbp)
mov    -0x48(%rbp),%eax
cltd
idivl  -0x58(%rbp)
mov    %eax,-0x44(%rbp)
mov    -0x14(%rbp),%eax
cltd
idivl  -0x48(%rbp)
mov    %eax,-0x6c(%rbp)
mov    -0x6c(%rbp),%eax
imul   -0x44(%rbp),%eax
mov    %eax,-0x70(%rbp)
mov    -0x58(%rbp),%ecx
sub    $0x1,%ecx
imul   -0x6c(%rbp),%ecx
mov    -0x5c(%rbp),%eax
sub    %ecx,%eax
mov    %eax,-0x5c(%rbp)
mov    $0x1,%eax
sub    -0x4c(%rbp),%eax
mov    %eax,-0x4c(%rbp)
cmpl   $0x4,-0x58(%rbp)
jne    12b3 <rfftf1+0x163>
mov    -0x5c(%rbp),%eax
add    -0x6c(%rbp),%eax
mov    %eax,-0x60(%rbp)
mov    -0x60(%rbp),%eax
add    -0x6c(%rbp),%eax
mov    %eax,-0x64(%rbp)
cmpl   $0x0,-0x4c(%rbp)
jne    126a <rfftf1+0x11a>
mov    -0x6c(%rbp),%edi
mov    -0x44(%rbp),%esi
mov    -0x20(%rbp),%rdx
mov    -0x28(%rbp),%rcx
mov    -0x30(%rbp),%r8
movslq -0x5c(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r8
mov    -0x30(%rbp),%r9
movslq -0x60(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r9
mov    -0x30(%rbp),%rax
movslq -0x64(%rbp),%r10
shl    $0x3,%r10
add    %r10,%rax
mov    %rax,(%rsp)
call   1060 <radf4@plt>
jmp    12ae <rfftf1+0x15e>
mov    -0x6c(%rbp),%edi
mov    -0x44(%rbp),%esi
mov    -0x28(%rbp),%rdx
mov    -0x20(%rbp),%rcx
mov    -0x30(%rbp),%r8
movslq -0x5c(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r8
mov    -0x30(%rbp),%r9
movslq -0x60(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r9
mov    -0x30(%rbp),%rax
movslq -0x64(%rbp),%r10
shl    $0x3,%r10
add    %r10,%rax
mov    %rax,(%rsp)
call   1060 <radf4@plt>
jmp    155b <rfftf1+0x40b>
cmpl   $0x2,-0x58(%rbp)
jne    1315 <rfftf1+0x1c5>
cmpl   $0x0,-0x4c(%rbp)
jne    12ee <rfftf1+0x19e>
mov    -0x6c(%rbp),%edi
mov    -0x44(%rbp),%esi
mov    -0x20(%rbp),%rdx
mov    -0x28(%rbp),%rcx
mov    -0x30(%rbp),%r8
movslq -0x5c(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r8
call   1070 <radf2@plt>
jmp    1310 <rfftf1+0x1c0>
mov    -0x6c(%rbp),%edi
mov    -0x44(%rbp),%esi
mov    -0x28(%rbp),%rdx
mov    -0x20(%rbp),%rcx
mov    -0x30(%rbp),%r8
movslq -0x5c(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r8
call   1070 <radf2@plt>
jmp    1556 <rfftf1+0x406>
cmpl   $0x3,-0x58(%rbp)
jne    139e <rfftf1+0x24e>
mov    -0x5c(%rbp),%eax
add    -0x6c(%rbp),%eax
mov    %eax,-0x60(%rbp)
cmpl   $0x0,-0x4c(%rbp)
jne    1368 <rfftf1+0x218>
mov    -0x6c(%rbp),%edi
mov    -0x44(%rbp),%esi
mov    -0x20(%rbp),%rdx
mov    -0x28(%rbp),%rcx
mov    -0x30(%rbp),%r8
movslq -0x5c(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r8
mov    -0x30(%rbp),%r9
movslq -0x60(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r9
call   1040 <radf3@plt>
jmp    1399 <rfftf1+0x249>
mov    -0x6c(%rbp),%edi
mov    -0x44(%rbp),%esi
mov    -0x28(%rbp),%rdx
mov    -0x20(%rbp),%rcx
mov    -0x30(%rbp),%r8
movslq -0x5c(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r8
mov    -0x30(%rbp),%r9
movslq -0x60(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r9
call   1040 <radf3@plt>
jmp    1551 <rfftf1+0x401>
cmpl   $0x5,-0x58(%rbp)
jne    1487 <rfftf1+0x337>
mov    -0x5c(%rbp),%eax
add    -0x6c(%rbp),%eax
mov    %eax,-0x60(%rbp)
mov    -0x60(%rbp),%eax
add    -0x6c(%rbp),%eax
mov    %eax,-0x64(%rbp)
mov    -0x64(%rbp),%eax
add    -0x6c(%rbp),%eax
mov    %eax,-0x68(%rbp)
cmpl   $0x0,-0x4c(%rbp)
jne    142a <rfftf1+0x2da>
mov    -0x6c(%rbp),%edi
mov    -0x44(%rbp),%esi
mov    -0x20(%rbp),%rdx
mov    -0x28(%rbp),%rcx
mov    -0x30(%rbp),%r8
movslq -0x5c(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r8
mov    -0x30(%rbp),%r9
movslq -0x60(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r9
mov    -0x30(%rbp),%r10
movslq -0x64(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r10
mov    -0x30(%rbp),%rax
movslq -0x68(%rbp),%r11
shl    $0x3,%r11
add    %r11,%rax
mov    %r10,(%rsp)
mov    %rax,0x8(%rsp)
call   1030 <radf5@plt>
jmp    1482 <rfftf1+0x332>
mov    -0x6c(%rbp),%edi
mov    -0x44(%rbp),%esi
mov    -0x28(%rbp),%rdx
mov    -0x20(%rbp),%rcx
mov    -0x30(%rbp),%r8
movslq -0x5c(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r8
mov    -0x30(%rbp),%r9
movslq -0x60(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r9
mov    -0x30(%rbp),%r10
movslq -0x64(%rbp),%rax
shl    $0x3,%rax
add    %rax,%r10
mov    -0x30(%rbp),%rax
movslq -0x68(%rbp),%r11
shl    $0x3,%r11
add    %r11,%rax
mov    %r10,(%rsp)
mov    %rax,0x8(%rsp)
call   1030 <radf5@plt>
jmp    154c <rfftf1+0x3fc>
cmpl   $0x1,-0x6c(%rbp)
jne    149c <rfftf1+0x34c>
mov    $0x1,%eax
sub    -0x4c(%rbp),%eax
mov    %eax,-0x4c(%rbp)
cmpl   $0x0,-0x4c(%rbp)
jne    14f9 <rfftf1+0x3a9>
mov    -0x6c(%rbp),%edi
mov    -0x58(%rbp),%esi
mov    -0x44(%rbp),%edx
mov    -0x70(%rbp),%ecx
mov    -0x20(%rbp),%r8
mov    -0x20(%rbp),%r9
mov    -0x20(%rbp),%rbx
mov    -0x28(%rbp),%r11
mov    -0x28(%rbp),%r10
mov    -0x30(%rbp),%rax
movslq -0x5c(%rbp),%r14
shl    $0x3,%r14
add    %r14,%rax
mov    %rbx,(%rsp)
mov    %r11,0x8(%rsp)
mov    %r10,0x10(%rsp)
mov    %rax,0x18(%rsp)
call   1050 <radfg@plt>
movl   $0x1,-0x4c(%rbp)
jmp    1547 <rfftf1+0x3f7>
mov    -0x6c(%rbp),%edi
mov    -0x58(%rbp),%esi
mov    -0x44(%rbp),%edx
mov    -0x70(%rbp),%ecx
mov    -0x28(%rbp),%r8
mov    -0x28(%rbp),%r9
mov    -0x28(%rbp),%rbx
mov    -0x20(%rbp),%r11
mov    -0x20(%rbp),%r10
mov    -0x30(%rbp),%rax
movslq -0x5c(%rbp),%r14
shl    $0x3,%r14
add    %r14,%rax
mov    %rbx,(%rsp)
mov    %r11,0x8(%rsp)
mov    %r10,0x10(%rsp)
mov    %rax,0x18(%rsp)
call   1050 <radfg@plt>
movl   $0x0,-0x4c(%rbp)
jmp    154c <rfftf1+0x3fc>
jmp    1551 <rfftf1+0x401>
jmp    1556 <rfftf1+0x406>
jmp    155b <rfftf1+0x40b>
mov    -0x44(%rbp),%eax
mov    %eax,-0x48(%rbp)
mov    -0x40(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x40(%rbp)
jmp    1198 <rfftf1+0x48>
cmpl   $0x1,-0x4c(%rbp)
jne    157e <rfftf1+0x42e>
jmp    15b9 <rfftf1+0x469>
movl   $0x0,-0x3c(%rbp)
mov    -0x3c(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    15b9 <rfftf1+0x469>
mov    -0x28(%rbp),%rax
movslq -0x3c(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x20(%rbp),%rax
movslq -0x3c(%rbp),%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x3c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x3c(%rbp)
jmp    1585 <rfftf1+0x435>
add    $0x80,%rsp
pop    %rbx
pop    %r14
pop    %rbp
ret

x86 assembly (clang, -O2):
<rfftf1>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x18,%rsp
mov    %r8,0x10(%rsp)
mov    0x4(%r8),%r12d
test   %r12d,%r12d
jle    1554 <rfftf1+0x404>
mov    %rcx,%r14
mov    %rdx,%r13
mov    %rsi,%r11
mov    %edi,%ebx
lea    -0x1(%rbx),%r15d
add    $0x1,%r12
mov    $0x1,%edi
mov    %ebx,%ebp
mov    %rsi,(%rsp)
mov    %rbx,0x8(%rsp)
jmp    11c5 <rfftf1+0x75>
mov    %eax,%edi
mov    %ebp,%esi
mov    %r11,%rdx
mov    %r13,%rcx
push   %rbx
call   1060 <radf4@plt>
mov    0x10(%rsp),%r11
add    $0x10,%rsp
xor    %edi,%edi
mov    $0x1,%al
mov    0x8(%rsp),%rbx
add    $0xffffffffffffffff,%r12
cmp    $0x1,%r12
je     13a9 <rfftf1+0x259>
mov    %ebp,%ecx
movslq %r12d,%rax
mov    0x10(%rsp),%rdx
mov    (%rdx,%rax,4),%esi
mov    %ebp,%eax
cltd
idiv   %esi
mov    %eax,%ebp
mov    %ebx,%eax
cltd
idiv   %ecx
lea    -0x1(%rsi),%ecx
imul   %eax,%ecx
sub    %ecx,%r15d
lea    -0x2(%rsi),%ecx
cmp    $0x3,%ecx
ja     1220 <rfftf1+0xd0>
lea    0xe0a(%rip),%rdx
movslq (%rdx,%rcx,4),%rcx
add    %rdx,%rcx
jmp    *%rcx
movslq %r15d,%rcx
lea    (%r14,%rcx,8),%r8
cmp    $0x1,%edi
jne    1333 <rfftf1+0x1e3>
mov    %eax,%edi
mov    %ebp,%esi
mov    %r11,%rdx
mov    %r13,%rcx
call   1070 <radf2@plt>
jmp    129b <rfftf1+0x14b>
mov    %ebp,%ecx
imul   %eax,%ecx
mov    $0x1,%edx
sub    %edi,%edx
cmp    $0x1,%eax
cmove  %edi,%edx
movslq %r15d,%rdi
lea    (%r14,%rdi,8),%rbx
mov    %eax,%edi
test   %edx,%edx
je     1380 <rfftf1+0x230>
mov    %ebp,%edx
mov    %r13,%r8
mov    %r13,%r9
push   %rbx
push   %r11
push   %r11
push   %r13
call   1050 <radfg@plt>
mov    0x20(%rsp),%r11
add    $0x20,%rsp
jmp    11ae <rfftf1+0x5e>
cs nopw 0x0(%rax,%rax,1)
nop
mov    %eax,%ecx
add    %r15d,%ecx
movslq %r15d,%rdx
lea    (%r14,%rdx,8),%r8
movslq %ecx,%rcx
lea    (%r14,%rcx,8),%r9
cmp    $0x1,%edi
jne    1344 <rfftf1+0x1f4>
mov    %eax,%edi
mov    %ebp,%esi
mov    %r11,%rdx
mov    %r13,%rcx
call   1040 <radf3@plt>
mov    (%rsp),%r11
xor    %edi,%edi
mov    $0x1,%al
jmp    11b7 <rfftf1+0x67>
nopl   0x0(%rax,%rax,1)
lea    (%r15,%rax,1),%ecx
mov    %eax,%edx
add    %ecx,%edx
movslq %r15d,%rsi
lea    (%r14,%rsi,8),%r8
movslq %ecx,%rcx
lea    (%r14,%rcx,8),%r9
movslq %edx,%rcx
lea    (%r14,%rcx,8),%rbx
sub    $0x8,%rsp
cmp    $0x1,%edi
je     1195 <rfftf1+0x45>
mov    %eax,%edi
mov    %ebp,%esi
mov    %r13,%rdx
mov    %r11,%rcx
push   %rbx
call   1060 <radf4@plt>
jmp    1375 <rfftf1+0x225>
nop
lea    (%r15,%rax,1),%ecx
lea    (%rcx,%rax,1),%edx
mov    %eax,%esi
add    %edx,%esi
movslq %r15d,%rbx
lea    (%r14,%rbx,8),%r8
movslq %ecx,%rcx
lea    (%r14,%rcx,8),%r9
movslq %edx,%rcx
lea    (%r14,%rcx,8),%r10
movslq %esi,%rcx
lea    (%r14,%rcx,8),%rbx
cmp    $0x1,%edi
jne    1363 <rfftf1+0x213>
mov    %eax,%edi
mov    %ebp,%esi
mov    %r11,%rdx
mov    %r13,%rcx
push   %rbx
push   %r10
call   1030 <radf5@plt>
jmp    11a5 <rfftf1+0x55>
mov    %eax,%edi
mov    %ebp,%esi
mov    %r13,%rdx
mov    %r11,%rcx
call   1070 <radf2@plt>
jmp    1353 <rfftf1+0x203>
mov    %eax,%edi
mov    %ebp,%esi
mov    %r13,%rdx
mov    %r11,%rcx
call   1040 <radf3@plt>
mov    (%rsp),%r11
mov    $0x1,%edi
xor    %eax,%eax
jmp    11b7 <rfftf1+0x67>
mov    %eax,%edi
mov    %ebp,%esi
mov    %r13,%rdx
mov    %r11,%rcx
push   %rbx
push   %r10
call   1030 <radf5@plt>
mov    0x10(%rsp),%r11
add    $0x10,%rsp
jmp    139d <rfftf1+0x24d>
mov    %ebp,%edx
mov    %r11,%r8
mov    %r11,%r9
push   %rbx
push   %r13
push   %r13
push   %r11
call   1050 <radfg@plt>
mov    0x20(%rsp),%r11
add    $0x20,%rsp
mov    $0x1,%edi
xor    %eax,%eax
jmp    11b2 <rfftf1+0x62>
test   %ebx,%ebx
setle  %cl
xor    $0x1,%al
or     %cl,%al
jne    1554 <rfftf1+0x404>
mov    %ebx,%eax
cmp    $0x4,%ebx
jb     13e0 <rfftf1+0x290>
lea    0x0(,%rax,8),%rcx
add    %r13,%rcx
cmp    %r11,%rcx
jbe    1475 <rfftf1+0x325>
lea    (%r11,%rax,8),%rcx
cmp    %r13,%rcx
jbe    1475 <rfftf1+0x325>
xor    %ecx,%ecx
mov    %rcx,%rdx
not    %rdx
add    %rax,%rdx
mov    %rax,%rsi
and    $0x3,%rsi
je     1417 <rfftf1+0x2c7>
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
movsd  0x0(%r13,%rcx,8),%xmm0
movsd  %xmm0,(%r11,%rcx,8)
add    $0x1,%rcx
add    $0xffffffffffffffff,%rsi
jne    1400 <rfftf1+0x2b0>
cmp    $0x3,%rdx
jb     1554 <rfftf1+0x404>
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
movsd  0x0(%r13,%rcx,8),%xmm0
movsd  %xmm0,(%r11,%rcx,8)
movsd  0x8(%r13,%rcx,8),%xmm0
movsd  %xmm0,0x8(%r11,%rcx,8)
movsd  0x10(%r13,%rcx,8),%xmm0
movsd  %xmm0,0x10(%r11,%rcx,8)
movsd  0x18(%r13,%rcx,8),%xmm0
movsd  %xmm0,0x18(%r11,%rcx,8)
add    $0x4,%rcx
cmp    %rcx,%rax
jne    1430 <rfftf1+0x2e0>
jmp    1554 <rfftf1+0x404>
mov    %eax,%ecx
and    $0xfffffffc,%ecx
lea    -0x4(%rcx),%rdi
mov    %rdi,%rsi
shr    $0x2,%rsi
add    $0x1,%rsi
mov    %esi,%edx
and    $0x3,%edx
cmp    $0xc,%rdi
jae    1498 <rfftf1+0x348>
xor    %edi,%edi
jmp    1509 <rfftf1+0x3b9>
and    $0xfffffffffffffffc,%rsi
xor    %edi,%edi
xchg   %ax,%ax
movups 0x0(%r13,%rdi,8),%xmm0
movups 0x10(%r13,%rdi,8),%xmm1
movups %xmm0,(%r11,%rdi,8)
movups %xmm1,0x10(%r11,%rdi,8)
movups 0x20(%r13,%rdi,8),%xmm0
movups 0x30(%r13,%rdi,8),%xmm1
movups %xmm0,0x20(%r11,%rdi,8)
movups %xmm1,0x30(%r11,%rdi,8)
movups 0x40(%r13,%rdi,8),%xmm0
movups 0x50(%r13,%rdi,8),%xmm1
movups %xmm0,0x40(%r11,%rdi,8)
movups %xmm1,0x50(%r11,%rdi,8)
movups 0x60(%r13,%rdi,8),%xmm0
movups 0x70(%r13,%rdi,8),%xmm1
movups %xmm0,0x60(%r11,%rdi,8)
movups %xmm1,0x70(%r11,%rdi,8)
add    $0x10,%rdi
add    $0xfffffffffffffffc,%rsi
jne    14a0 <rfftf1+0x350>
test   %rdx,%rdx
je     154b <rfftf1+0x3fb>
lea    (%r11,%rdi,8),%rsi
add    $0x10,%rsi
lea    0x10(,%rdi,8),%rdi
add    %r13,%rdi
shl    $0x5,%rdx
xor    %ebp,%ebp
nopw   0x0(%rax,%rax,1)
movups -0x10(%rdi,%rbp,1),%xmm0
movups (%rdi,%rbp,1),%xmm1
movups %xmm0,-0x10(%rsi,%rbp,1)
movups %xmm1,(%rsi,%rbp,1)
add    $0x20,%rbp
cmp    %rbp,%rdx
jne    1530 <rfftf1+0x3e0>
cmp    %rax,%rcx
jne    13e2 <rfftf1+0x292>
add    $0x18,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define void @rfftf1(i32 %0, double* %1, double* %2, double* %3, i32* %4) {
%6 = alloca i32
%7 = alloca double*
%8 = alloca double*
%9 = alloca double*
%10 = alloca i32*
%11 = alloca i32
%12 = alloca i32
%13 = alloca i32
%14 = alloca i32
%15 = alloca i32
%16 = alloca i32
%17 = alloca i32
%18 = alloca i32
%19 = alloca i32
%20 = alloca i32
%21 = alloca i32
%22 = alloca i32
%23 = alloca i32
%24 = alloca i32
store i32 %0, i32* %6
store double* %1, double** %7
store double* %2, double** %8
store double* %3, double** %9
store i32* %4, i32** %10
%25 = load i32*, i32** %10
%26 = getelementptr inbounds i32, i32* %25, i64 1
%27 = load i32, i32* %26
store i32 %27, i32* %17
store i32 1, i32* %15
%28 = load i32, i32* %6
store i32 %28, i32* %14
%29 = load i32, i32* %6
%30 = sub nsw i32 %29, 1
store i32 %30, i32* %19
store i32 1, i32* %12
br label %31
31: ; preds = %280, %5
%32 = load i32, i32* %12
%33 = load i32, i32* %17
%34 = icmp sle i32 %32, %33
br i1 %34, label %35, label %283
35: ; preds = %31
%36 = load i32, i32* %17
%37 = load i32, i32* %12
%38 = sub nsw i32 %36, %37
store i32 %38, i32* %16
%39 = load i32*, i32** %10
%40 = load i32, i32* %16
%41 = add nsw i32 %40, 2
%42 = sext i32 %41 to i64
%43 = getelementptr inbounds i32, i32* %39, i64 %42
%44 = load i32, i32* %43
store i32 %44, i32* %18
%45 = load i32, i32* %14
%46 = load i32, i32* %18
%47 = sdiv i32 %45, %46
store i32 %47, i32* %13
%48 = load i32, i32* %6
%49 = load i32, i32* %14
%50 = sdiv i32 %48, %49
store i32 %50, i32* %23
%51 = load i32, i32* %23
%52 = load i32, i32* %13
%53 = mul nsw i32 %51, %52
store i32 %53, i32* %24
%54 = load i32, i32* %18
%55 = sub nsw i32 %54, 1
%56 = load i32, i32* %23
%57 = mul nsw i32 %55, %56
%58 = load i32, i32* %19
%59 = sub nsw i32 %58, %57
store i32 %59, i32* %19
%60 = load i32, i32* %15
%61 = sub nsw i32 1, %60
store i32 %61, i32* %15
%62 = load i32, i32* %18
%63 = icmp eq i32 %62, 4
br i1 %63, label %64, label %110
64: ; preds = %35
%65 = load i32, i32* %19
%66 = load i32, i32* %23
%67 = add nsw i32 %65, %66
store i32 %67, i32* %20
%68 = load i32, i32* %20
%69 = load i32, i32* %23
%70 = add nsw i32 %68, %69
store i32 %70, i32* %21
%71 = load i32, i32* %15
%72 = icmp eq i32 %71, 0
br i1 %72, label %73, label %91
73: ; preds = %64
%74 = load i32, i32* %23
%75 = load i32, i32* %13
%76 = load double*, double** %7
%77 = load double*, double** %8
%78 = load double*, double** %9
%79 = load i32, i32* %19
%80 = sext i32 %79 to i64
%81 = getelementptr inbounds double, double* %78, i64 %80
%82 = load double*, double** %9
%83 = load i32, i32* %20
%84 = sext i32 %83 to i64
%85 = getelementptr inbounds double, double* %82, i64 %84
%86 = load double*, double** %9
%87 = load i32, i32* %21
%88 = sext i32 %87 to i64
%89 = getelementptr inbounds double, double* %86, i64 %88
%90 = call i32 @radf4(i32 %74, i32 %75, double* %76, double* %77, double* %81, double* %85, double* %89)
br label %109
91: ; preds = %64
%92 = load i32, i32* %23
%93 = load i32, i32* %13
%94 = load double*, double** %8
%95 = load double*, double** %7
%96 = load double*, double** %9
%97 = load i32, i32* %19
%98 = sext i32 %97 to i64
%99 = getelementptr inbounds double, double* %96, i64 %98
%100 = load double*, double** %9
%101 = load i32, i32* %20
%102 = sext i32 %101 to i64
%103 = getelementptr inbounds double, double* %100, i64 %102
%104 = load double*, double** %9
%105 = load i32, i32* %21
%106 = sext i32 %105 to i64
%107 = getelementptr inbounds double, double* %104, i64 %106
%108 = call i32 @radf4(i32 %92, i32 %93, double* %94, double* %95, double* %99, double* %103, double* %107)
br label %109
109: ; preds = %91, %73
br label %278
110: ; preds = %35
%111 = load i32, i32* %18
%112 = icmp eq i32 %111, 2
br i1 %112, label %113, label %137
113: ; preds = %110
%114 = load i32, i32* %15
%115 = icmp eq i32 %114, 0
br i1 %115, label %116, label %126
116: ; preds = %113
%117 = load i32, i32* %23
%118 = load i32, i32* %13
%119 = load double*, double** %7
%120 = load double*, double** %8
%121 = load double*, double** %9
%122 = load i32, i32* %19
%123 = sext i32 %122 to i64
%124 = getelementptr inbounds double, double* %121, i64 %123
%125 = call i32 @radf2(i32 %117, i32 %118, double* %119, double* %120, double* %124)
br label %136
126: ; preds = %113
%127 = load i32, i32* %23
%128 = load i32, i32* %13
%129 = load double*, double** %8
%130 = load double*, double** %7
%131 = load double*, double** %9
%132 = load i32, i32* %19
%133 = sext i32 %132 to i64
%134 = getelementptr inbounds double, double* %131, i64 %133
%135 = call i32 @radf2(i32 %127, i32 %128, double* %129, double* %130, double* %134)
br label %136
136: ; preds = %126, %116
br label %277
137: ; preds = %110
%138 = load i32, i32* %18
%139 = icmp eq i32 %138, 3
br i1 %139, label %140, label %175
140: ; preds = %137
%141 = load i32, i32* %19
%142 = load i32, i32* %23
%143 = add nsw i32 %141, %142
store i32 %143, i32* %20
%144 = load i32, i32* %15
%145 = icmp eq i32 %144, 0
br i1 %145, label %146, label %160
146: ; preds = %140
%147 = load i32, i32* %23
%148 = load i32, i32* %13
%149 = load double*, double** %7
%150 = load double*, double** %8
%151 = load double*, double** %9
%152 = load i32, i32* %19
%153 = sext i32 %152 to i64
%154 = getelementptr inbounds double, double* %151, i64 %153
%155 = load double*, double** %9
%156 = load i32, i32* %20
%157 = sext i32 %156 to i64
%158 = getelementptr inbounds double, double* %155, i64 %157
%159 = call i32 @radf3(i32 %147, i32 %148, double* %149, double* %150, double* %154, double* %158)
br label %174
160: ; preds = %140
%161 = load i32, i32* %23
%162 = load i32, i32* %13
%163 = load double*, double** %8
%164 = load double*, double** %7
%165 = load double*, double** %9
%166 = load i32, i32* %19
%167 = sext i32 %166 to i64
%168 = getelementptr inbounds double, double* %165, i64 %167
%169 = load double*, double** %9
%170 = load i32, i32* %20
%171 = sext i32 %170 to i64
%172 = getelementptr inbounds double, double* %169, i64 %171
%173 = call i32 @radf3(i32 %161, i32 %162, double* %163, double* %164, double* %168, double* %172)
br label %174
174: ; preds = %160, %146
br label %276
175: ; preds = %137
%176 = load i32, i32* %18
%177 = icmp eq i32 %176, 5
br i1 %177, label %178, label %235
178: ; preds = %175
%179 = load i32, i32* %19
%180 = load i32, i32* %23
%181 = add nsw i32 %179, %180
store i32 %181, i32* %20
%182 = load i32, i32* %20
%183 = load i32, i32* %23
%184 = add nsw i32 %182, %183
store i32 %184, i32* %21
%185 = load i32, i32* %21
%186 = load i32, i32* %23
%187 = add nsw i32 %185, %186
store i32 %187, i32* %22
%188 = load i32, i32* %15
%189 = icmp eq i32 %188, 0
br i1 %189, label %190, label %212
190: ; preds = %178
%191 = load i32, i32* %23
%192 = load i32, i32* %13
%193 = load double*, double** %7
%194 = load double*, double** %8
%195 = load double*, double** %9
%196 = load i32, i32* %19
%197 = sext i32 %196 to i64
%198 = getelementptr inbounds double, double* %195, i64 %197
%199 = load double*, double** %9
%200 = load i32, i32* %20
%201 = sext i32 %200 to i64
%202 = getelementptr inbounds double, double* %199, i64 %201
%203 = load double*, double** %9
%204 = load i32, i32* %21
%205 = sext i32 %204 to i64
%206 = getelementptr inbounds double, double* %203, i64 %205
%207 = load double*, double** %9
%208 = load i32, i32* %22
%209 = sext i32 %208 to i64
%210 = getelementptr inbounds double, double* %207, i64 %209
%211 = call i32 @radf5(i32 %191, i32 %192, double* %193, double* %194, double* %198, double* %202, double* %206, double* %210)
br label %234
212: ; preds = %178
%213 = load i32, i32* %23
%214 = load i32, i32* %13
%215 = load double*, double** %8
%216 = load double*, double** %7
%217 = load double*, double** %9
%218 = load i32, i32* %19
%219 = sext i32 %218 to i64
%220 = getelementptr inbounds double, double* %217, i64 %219
%221 = load double*, double** %9
%222 = load i32, i32* %20
%223 = sext i32 %222 to i64
%224 = getelementptr inbounds double, double* %221, i64 %223
%225 = load double*, double** %9
%226 = load i32, i32* %21
%227 = sext i32 %226 to i64
%228 = getelementptr inbounds double, double* %225, i64 %227
%229 = load double*, double** %9
%230 = load i32, i32* %22
%231 = sext i32 %230 to i64
%232 = getelementptr inbounds double, double* %229, i64 %231
%233 = call i32 @radf5(i32 %213, i32 %214, double* %215, double* %216, double* %220, double* %224, double* %228, double* %232)
br label %234
234: ; preds = %212, %190
br label %275
235: ; preds = %175
%236 = load i32, i32* %23
%237 = icmp eq i32 %236, 1
br i1 %237, label %238, label %241
238: ; preds = %235
%239 = load i32, i32* %15
%240 = sub nsw i32 1, %239
store i32 %240, i32* %15
br label %241
241: ; preds = %238, %235
%242 = load i32, i32* %15
%243 = icmp eq i32 %242, 0
br i1 %243, label %244, label %259
244: ; preds = %241
%245 = load i32, i32* %23
%246 = load i32, i32* %18
%247 = load i32, i32* %13
%248 = load i32, i32* %24
%249 = load double*, double** %7
%250 = load double*, double** %7
%251 = load double*, double** %7
%252 = load double*, double** %8
%253 = load double*, double** %8
%254 = load double*, double** %9
%255 = load i32, i32* %19
%256 = sext i32 %255 to i64
%257 = getelementptr inbounds double, double* %254, i64 %256
%258 = call i32 @radfg(i32 %245, i32 %246, i32 %247, i32 %248, double* %249, double* %250, double* %251, double* %252, double* %253, double* %257)
store i32 1, i32* %15
br label %274
259: ; preds = %241
%260 = load i32, i32* %23
%261 = load i32, i32* %18
%262 = load i32, i32* %13
%263 = load i32, i32* %24
%264 = load double*, double** %8
%265 = load double*, double** %8
%266 = load double*, double** %8
%267 = load double*, double** %7
%268 = load double*, double** %7
%269 = load double*, double** %9
%270 = load i32, i32* %19
%271 = sext i32 %270 to i64
%272 = getelementptr inbounds double, double* %269, i64 %271
%273 = call i32 @radfg(i32 %260, i32 %261, i32 %262, i32 %263, double* %264, double* %265, double* %266, double* %267, double* %268, double* %272)
store i32 0, i32* %15
br label %274
274: ; preds = %259, %244
br label %275
275: ; preds = %274, %234
br label %276
276: ; preds = %275, %174
br label %277
277: ; preds = %276, %136
br label %278
278: ; preds = %277, %109
%279 = load i32, i32* %13
store i32 %279, i32* %14
br label %280
280: ; preds = %278
%281 = load i32, i32* %12
%282 = add nsw i32 %281, 1
store i32 %282, i32* %12
br label %31
283: ; preds = %31
%284 = load i32, i32* %15
%285 = icmp eq i32 %284, 1
br i1 %285, label %286, label %287
286: ; preds = %283
br label %305
287: ; preds = %283
store i32 0, i32* %11
br label %288
288: ; preds = %302, %287
%289 = load i32, i32* %11
%290 = load i32, i32* %6
%291 = icmp slt i32 %289, %290
br i1 %291, label %292, label %305
292: ; preds = %288
%293 = load double*, double** %8
%294 = load i32, i32* %11
%295 = sext i32 %294 to i64
%296 = getelementptr inbounds double, double* %293, i64 %295
%297 = load double, double* %296
%298 = load double*, double** %7
%299 = load i32, i32* %11
%300 = sext i32 %299 to i64
%301 = getelementptr inbounds double, double* %298, i64 %300
store double %297, double* %301
br label %302
302: ; preds = %292
%303 = load i32, i32* %11
%304 = add nsw i32 %303, 1
store i32 %304, i32* %11
br label %288
305: ; preds = %286, %288
ret void
}

LLVM IR (-O2):
define void @rfftf1(i32 %0, double* %1, double* %2, double* %3, i32* nocapture %4) {
%6 = getelementptr inbounds i32, i32* %4, i64 1
%7 = load i32, i32* %6
%8 = icmp slt i32 %7, 1
br i1 %8, label %224, label %9
9: ; preds = %5
%10 = add nsw i32 %0, -1
%11 = add nuw i32 %7, 2
%12 = add nuw i32 %7, 1
%13 = zext i32 %12 to i64
br label %14
14: ; preds = %9, %91
%15 = phi i64 [ 1, %9 ], [ %94, %91 ]
%16 = phi i32 [ %0, %9 ], [ %24, %91 ]
%17 = phi i32 [ %10, %9 ], [ %29, %91 ]
%18 = phi i32 [ 1, %9 ], [ %93, %91 ]
%19 = trunc i64 %15 to i32
%20 = sub i32 %11, %19
%21 = sext i32 %20 to i64
%22 = getelementptr inbounds i32, i32* %4, i64 %21
%23 = load i32, i32* %22
%24 = sdiv i32 %16, %23
%25 = sdiv i32 %0, %16
%26 = mul nsw i32 %25, %24
%27 = add nsw i32 %23, -1
%28 = mul nsw i32 %25, %27
%29 = sub nsw i32 %17, %28
switch i32 %23, label %80 [
i32 4, label %30
i32 2, label %44
i32 3, label %52
i32 5, label %63
]
30: ; preds = %14
%31 = add nsw i32 %29, %25
%32 = add nsw i32 %31, %25
%33 = icmp eq i32 %18, 1
%34 = sext i32 %29 to i64
%35 = getelementptr inbounds double, double* %3, i64 %34
%36 = sext i32 %31 to i64
%37 = getelementptr inbounds double, double* %3, i64 %36
%38 = sext i32 %32 to i64
%39 = getelementptr inbounds double, double* %3, i64 %38
br i1 %33, label %40, label %42
40: ; preds = %30
%41 = tail call i32 @radf4(i32 %25, i32 %24, double* %1, double* %2, double* %35, double* %37, double* %39)
br label %91
42: ; preds = %30
%43 = tail call i32 @radf4(i32 %25, i32 %24, double* %2, double* %1, double* %35, double* %37, double* %39)
br label %91
44: ; preds = %14
%45 = icmp eq i32 %18, 1
%46 = sext i32 %29 to i64
%47 = getelementptr inbounds double, double* %3, i64 %46
br i1 %45, label %48, label %50
48: ; preds = %44
%49 = tail call i32 @radf2(i32 %25, i32 %24, double* %1, double* %2, double* %47)
br label %91
50: ; preds = %44
%51 = tail call i32 @radf2(i32 %25, i32 %24, double* %2, double* %1, double* %47)
br label %91
52: ; preds = %14
%53 = add nsw i32 %29, %25
%54 = icmp eq i32 %18, 1
%55 = sext i32 %29 to i64
%56 = getelementptr inbounds double, double* %3, i64 %55
%57 = sext i32 %53 to i64
%58 = getelementptr inbounds double, double* %3, i64 %57
br i1 %54, label %59, label %61
59: ; preds = %52
%60 = tail call i32 @radf3(i32 %25, i32 %24, double* %1, double* %2, double* %56, double* %58)
br label %91
61: ; preds = %52
%62 = tail call i32 @radf3(i32 %25, i32 %24, double* %2, double* %1, double* %56, double* %58)
br label %91
63: ; preds = %14
%64 = add nsw i32 %29, %25
%65 = add nsw i32 %64, %25
%66 = add nsw i32 %65, %25
%67 = icmp eq i32 %18, 1
%68 = sext i32 %29 to i64
%69 = getelementptr inbounds double, double* %3, i64 %68
%70 = sext i32 %64 to i64
%71 = getelementptr inbounds double, double* %3, i64 %70
%72 = sext i32 %65 to i64
%73 = getelementptr inbounds double, double* %3, i64 %72
%74 = sext i32 %66 to i64
%75 = getelementptr inbounds double, double* %3, i64 %74
br i1 %67, label %76, label %78
76: ; preds = %63
%77 = tail call i32 @radf5(i32 %25, i32 %24, double* %1, double* %2, double* %69, double* %71, double* %73, double* %75)
br label %91
78: ; preds = %63
%79 = tail call i32 @radf5(i32 %25, i32 %24, double* %2, double* %1, double* %69, double* %71, double* %73, double* %75)
br label %91
80: ; preds = %14
%81 = sub nuw nsw i32 1, %18
%82 = icmp eq i32 %25, 1
%83 = select i1 %82, i32 %18, i32 %81
%84 = icmp eq i32 %83, 0
%85 = sext i32 %29 to i64
%86 = getelementptr inbounds double, double* %3, i64 %85
br i1 %84, label %87, label %89
87: ; preds = %80
%88 = tail call i32 @radfg(i32 %25, i32 %23, i32 %24, i32 %26, double* %1, double* %1, double* %1, double* %2, double* %2, double* %86)
br label %91
89: ; preds = %80
%90 = tail call i32 @radfg(i32 %25, i32 %23, i32 %24, i32 %26, double* %2, double* %2, double* %2, double* %1, double* %1, double* %86)
br label %91
91: ; preds = %50, %48, %78, %76, %89, %87, %59, %61, %40, %42
%92 = phi i1 [ false, %50 ], [ true, %48 ], [ false, %78 ], [ true, %76 ], [ true, %89 ], [ false, %87 ], [ true, %59 ], [ false, %61 ], [ true, %40 ], [ false, %42 ]
%93 = phi i32 [ 1, %50 ], [ 0, %48 ], [ 1, %78 ], [ 0, %76 ], [ 0, %89 ], [ 1, %87 ], [ 0, %59 ], [ 1, %61 ], [ 0, %40 ], [ 1, %42 ]
%94 = add nuw nsw i64 %15, 1
%95 = icmp eq i64 %94, %13
br i1 %95, label %96, label %14
96: ; preds = %91
%97 = icmp sgt i32 %0, 0
%98 = and i1 %92, %97
br i1 %98, label %99, label %224
99: ; preds = %96
%100 = zext i32 %0 to i64
%101 = icmp ult i32 %0, 4
br i1 %101, label %187, label %102
102: ; preds = %99
%103 = getelementptr double, double* %1, i64 %100
%104 = getelementptr double, double* %2, i64 %100
%105 = icmp ugt double* %104, %1
%106 = icmp ugt double* %103, %2
%107 = and i1 %105, %106
br i1 %107, label %187, label %108
108: ; preds = %102
%109 = and i64 %100, 4294967292
%110 = add nsw i64 %109, -4
%111 = lshr exact i64 %110, 2
%112 = add nuw nsw i64 %111, 1
%113 = and i64 %112, 3
%114 = icmp ult i64 %110, 12
br i1 %114, label %166, label %115
115: ; preds = %108
%116 = and i64 %112, 9223372036854775804
br label %117
117: ; preds = %117, %115
%118 = phi i64 [ 0, %115 ], [ %163, %117 ]
%119 = phi i64 [ 0, %115 ], [ %164, %117 ]
%120 = getelementptr inbounds double, double* %2, i64 %118
%121 = bitcast double* %120 to <2 x double>*
%122 = load <2 x double>, <2 x double>* %121
%123 = getelementptr inbounds double, double* %120, i64 2
%124 = bitcast double* %123 to <2 x double>*
%125 = load <2 x double>, <2 x double>* %124
%126 = getelementptr inbounds double, double* %1, i64 %118
%127 = bitcast double* %126 to <2 x double>*
store <2 x double> %122, <2 x double>* %127
%128 = getelementptr inbounds double, double* %126, i64 2
%129 = bitcast double* %128 to <2 x double>*
store <2 x double> %125, <2 x double>* %129
%130 = or i64 %118, 4
%131 = getelementptr inbounds double, double* %2, i64 %130
%132 = bitcast double* %131 to <2 x double>*
%133 = load <2 x double>, <2 x double>* %132
%134 = getelementptr inbounds double, double* %131, i64 2
%135 = bitcast double* %134 to <2 x double>*
%136 = load <2 x double>, <2 x double>* %135
%137 = getelementptr inbounds double, double* %1, i64 %130
%138 = bitcast double* %137 to <2 x double>*
store <2 x double> %133, <2 x double>* %138
%139 = getelementptr inbounds double, double* %137, i64 2
%140 = bitcast double* %139 to <2 x double>*
store <2 x double> %136, <2 x double>* %140
%141 = or i64 %118, 8
%142 = getelementptr inbounds double, double* %2, i64 %141
%143 = bitcast double* %142 to <2 x double>*
%144 = load <2 x double>, <2 x double>* %143
%145 = getelementptr inbounds double, double* %142, i64 2
%146 = bitcast double* %145 to <2 x double>*
%147 = load <2 x double>, <2 x double>* %146
%148 = getelementptr inbounds double, double* %1, i64 %141
%149 = bitcast double* %148 to <2 x double>*
store <2 x double> %144, <2 x double>* %149
%150 = getelementptr inbounds double, double* %148, i64 2
%151 = bitcast double* %150 to <2 x double>*
store <2 x double> %147, <2 x double>* %151
%152 = or i64 %118, 12
%153 = getelementptr inbounds double, double* %2, i64 %152
%154 = bitcast double* %153 to <2 x double>*
%155 = load <2 x double>, <2 x double>* %154
%156 = getelementptr inbounds double, double* %153, i64 2
%157 = bitcast double* %156 to <2 x double>*
%158 = load <2 x double>, <2 x double>* %157
%159 = getelementptr inbounds double, double* %1, i64 %152
%160 = bitcast double* %159 to <2 x double>*
store <2 x double> %155, <2 x double>* %160
%161 = getelementptr inbounds double, double* %159, i64 2
%162 = bitcast double* %161 to <2 x double>*
store <2 x double> %158, <2 x double>* %162
%163 = add nuw i64 %118, 16
%164 = add nuw i64 %119, 4
%165 = icmp eq i64 %164, %116
br i1 %165, label %166, label %117
166: ; preds = %117, %108
%167 = phi i64 [ 0, %108 ], [ %163, %117 ]
%168 = icmp eq i64 %113, 0
br i1 %168, label %185, label %169
169: ; preds = %166, %169
%170 = phi i64 [ %182, %169 ], [ %167, %166 ]
%171 = phi i64 [ %183, %169 ], [ 0, %166 ]
%172 = getelementptr inbounds double, double* %2, i64 %170
%173 = bitcast double* %172 to <2 x double>*
%174 = load <2 x double>, <2 x double>* %173
%175 = getelementptr inbounds double, double* %172, i64 2
%176 = bitcast double* %175 to <2 x double>*
%177 = load <2 x double>, <2 x double>* %176
%178 = getelementptr inbounds double, double* %1, i64 %170
%179 = bitcast double* %178 to <2 x double>*
store <2 x double> %174, <2 x double>* %179
%180 = getelementptr inbounds double, double* %178, i64 2
%181 = bitcast double* %180 to <2 x double>*
store <2 x double> %177, <2 x double>* %181
%182 = add nuw i64 %170, 4
%183 = add i64 %171, 1
%184 = icmp eq i64 %183, %113
br i1 %184, label %185, label %169
185: ; preds = %169, %166
%186 = icmp eq i64 %109, %100
br i1 %186, label %224, label %187
187: ; preds = %102, %99, %185
%188 = phi i64 [ 0, %102 ], [ 0, %99 ], [ %109, %185 ]
%189 = xor i64 %188, -1
%190 = add nsw i64 %189, %100
%191 = and i64 %100, 3
%192 = icmp eq i64 %191, 0
br i1 %192, label %202, label %193
193: ; preds = %187, %193
%194 = phi i64 [ %199, %193 ], [ %188, %187 ]
%195 = phi i64 [ %200, %193 ], [ 0, %187 ]
%196 = getelementptr inbounds double, double* %2, i64 %194
%197 = load double, double* %196
%198 = getelementptr inbounds double, double* %1, i64 %194
store double %197, double* %198
%199 = add nuw nsw i64 %194, 1
%200 = add i64 %195, 1
%201 = icmp eq i64 %200, %191
br i1 %201, label %202, label %193
202: ; preds = %193, %187
%203 = phi i64 [ %188, %187 ], [ %199, %193 ]
%204 = icmp ult i64 %190, 3
br i1 %204, label %224, label %205
205: ; preds = %202, %205
%206 = phi i64 [ %222, %205 ], [ %203, %202 ]
%207 = getelementptr inbounds double, double* %2, i64 %206
%208 = load double, double* %207
%209 = getelementptr inbounds double, double* %1, i64 %206
store double %208, double* %209
%210 = add nuw nsw i64 %206, 1
%211 = getelementptr inbounds double, double* %2, i64 %210
%212 = load double, double* %211
%213 = getelementptr inbounds double, double* %1, i64 %210
store double %212, double* %213
%214 = add nuw nsw i64 %206, 2
%215 = getelementptr inbounds double, double* %2, i64 %214
%216 = load double, double* %215
%217 = getelementptr inbounds double, double* %1, i64 %214
store double %216, double* %217
%218 = add nuw nsw i64 %206, 3
%219 = getelementptr inbounds double, double* %2, i64 %218
%220 = load double, double* %219
%221 = getelementptr inbounds double, double* %1, i64 %218
store double %220, double* %221
%222 = add nuw nsw i64 %206, 4
%223 = icmp eq i64 %222, %100
br i1 %223, label %224, label %205
224: ; preds = %202, %205, %185, %5, %96
ret void
}