#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*/ rfftf1(int, double *, double *, double *, int const *);
void sint1(int n, double war[], const double was[], double xh[], double x[],
           const int ifac[]) {
  static const double sqrt3 = 1.73205080756888;
  int modn, i, k;
  double xhold, t1, t2;
  int kc, np1, ns2;
  for (i = 0; i < n; i++) {
    xh[i] = war[i];
    war[i] = x[i];
  }
  if (n < 2) {
    xh[0] += xh[0];
  } else if (n == 2) {
    xhold = sqrt3 * (xh[0] + xh[1]);
    xh[1] = sqrt3 * (xh[0] - xh[1]);
    xh[0] = xhold;
  } else {
    np1 = n + 1;
    ns2 = n / 2;
    x[0] = 0;
    for (k = 0; k < ns2; k++) {
      kc = n - k - 1;
      t1 = xh[k] - xh[kc];
      t2 = was[k] * (xh[k] + xh[kc]);
      x[k + 1] = t1 + t2;
      x[kc + 1] = t2 - t1;
    }
    modn = n % 2;
    if (modn != 0)
      x[ns2 + 1] = 4 * xh[ns2];
    rfftf1(np1, x, xh, war, ifac);
    xh[0] = 0.5 * x[0];
    for (i = 2; i < n; i += 2) {
      xh[i - 1] = -x[i];
      xh[i] = xh[i - 2] + x[i - 1];
    }
    if (modn == 0)
      xh[n - 1] = -x[n];
  }
  for (i = 0; i < n; i++) {
    x[i] = war[i];
    war[i] = xh[i];
  }
}


x86 assembly (clang, -O0):
<sint1>:
push   %rbp
mov    %rsp,%rbp
sub    $0x70,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    %rcx,-0x20(%rbp)
mov    %r8,-0x28(%rbp)
mov    %r9,-0x30(%rbp)
movl   $0x0,-0x38(%rbp)
mov    -0x38(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    1184 <sint1+0x74>
mov    -0x10(%rbp),%rax
movslq -0x38(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x20(%rbp),%rax
movslq -0x38(%rbp),%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x28(%rbp),%rax
movslq -0x38(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x10(%rbp),%rax
movslq -0x38(%rbp),%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x38(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x38(%rbp)
jmp    1136 <sint1+0x26>
cmpl   $0x2,-0x4(%rbp)
jge    11a7 <sint1+0x97>
mov    -0x20(%rbp),%rax
movsd  (%rax),%xmm0
mov    -0x20(%rbp),%rax
addsd  (%rax),%xmm0
movsd  %xmm0,(%rax)
jmp    1422 <sint1+0x312>
cmpl   $0x2,-0x4(%rbp)
jne    120b <sint1+0xfb>
mov    -0x20(%rbp),%rax
movsd  (%rax),%xmm1
mov    -0x20(%rbp),%rax
addsd  0x8(%rax),%xmm1
movsd  0xe46(%rip),%xmm0
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x48(%rbp)
mov    -0x20(%rbp),%rax
movsd  (%rax),%xmm1
mov    -0x20(%rbp),%rax
subsd  0x8(%rax),%xmm1
movsd  0xe24(%rip),%xmm0
mulsd  %xmm1,%xmm0
mov    -0x20(%rbp),%rax
movsd  %xmm0,0x8(%rax)
movsd  -0x48(%rbp),%xmm0
mov    -0x20(%rbp),%rax
movsd  %xmm0,(%rax)
jmp    141d <sint1+0x30d>
mov    -0x4(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x60(%rbp)
mov    -0x4(%rbp),%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
mov    %eax,-0x64(%rbp)
mov    -0x28(%rbp),%rax
xorps  %xmm0,%xmm0
movsd  %xmm0,(%rax)
movl   $0x0,-0x3c(%rbp)
mov    -0x3c(%rbp),%eax
cmp    -0x64(%rbp),%eax
jge    12e1 <sint1+0x1d1>
mov    -0x4(%rbp),%eax
sub    -0x3c(%rbp),%eax
sub    $0x1,%eax
mov    %eax,-0x5c(%rbp)
mov    -0x20(%rbp),%rax
movslq -0x3c(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x20(%rbp),%rax
movslq -0x5c(%rbp),%rcx
subsd  (%rax,%rcx,8),%xmm0
movsd  %xmm0,-0x50(%rbp)
mov    -0x18(%rbp),%rax
movslq -0x3c(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x20(%rbp),%rax
movslq -0x3c(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm1
mov    -0x20(%rbp),%rax
movslq -0x5c(%rbp),%rcx
addsd  (%rax,%rcx,8),%xmm1
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x58(%rbp)
movsd  -0x50(%rbp),%xmm0
addsd  -0x58(%rbp),%xmm0
mov    -0x28(%rbp),%rax
mov    -0x3c(%rbp),%ecx
add    $0x1,%ecx
movslq %ecx,%rcx
movsd  %xmm0,(%rax,%rcx,8)
movsd  -0x58(%rbp),%xmm0
subsd  -0x50(%rbp),%xmm0
mov    -0x28(%rbp),%rax
mov    -0x5c(%rbp),%ecx
add    $0x1,%ecx
movslq %ecx,%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x3c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x3c(%rbp)
jmp    1234 <sint1+0x124>
mov    -0x4(%rbp),%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
mov    %edx,-0x34(%rbp)
cmpl   $0x0,-0x34(%rbp)
je     1320 <sint1+0x210>
mov    -0x20(%rbp),%rax
movslq -0x64(%rbp),%rcx
movsd  0xcf7(%rip),%xmm0
mulsd  (%rax,%rcx,8),%xmm0
mov    -0x28(%rbp),%rax
mov    -0x64(%rbp),%ecx
add    $0x1,%ecx
movslq %ecx,%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x60(%rbp),%edi
mov    -0x28(%rbp),%rsi
mov    -0x20(%rbp),%rdx
mov    -0x10(%rbp),%rcx
mov    -0x30(%rbp),%r8
call   1030 <rfftf1@plt>
mov    -0x28(%rbp),%rax
movsd  0xcc4(%rip),%xmm0
mulsd  (%rax),%xmm0
mov    -0x20(%rbp),%rax
movsd  %xmm0,(%rax)
movl   $0x2,-0x38(%rbp)
mov    -0x38(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    13d8 <sint1+0x2c8>
mov    -0x28(%rbp),%rax
movslq -0x38(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
mov    -0x20(%rbp),%rax
mov    -0x38(%rbp),%ecx
sub    $0x1,%ecx
movslq %ecx,%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x20(%rbp),%rax
mov    -0x38(%rbp),%ecx
sub    $0x2,%ecx
movslq %ecx,%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x28(%rbp),%rax
mov    -0x38(%rbp),%ecx
sub    $0x1,%ecx
movslq %ecx,%rcx
addsd  (%rax,%rcx,8),%xmm0
mov    -0x20(%rbp),%rax
movslq -0x38(%rbp),%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x38(%rbp),%eax
add    $0x2,%eax
mov    %eax,-0x38(%rbp)
jmp    1357 <sint1+0x247>
cmpl   $0x0,-0x34(%rbp)
jne    1418 <sint1+0x308>
mov    -0x28(%rbp),%rax
movslq -0x4(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
mov    -0x20(%rbp),%rax
mov    -0x4(%rbp),%ecx
sub    $0x1,%ecx
movslq %ecx,%rcx
movsd  %xmm0,(%rax,%rcx,8)
jmp    141d <sint1+0x30d>
jmp    1422 <sint1+0x312>
movl   $0x0,-0x38(%rbp)
mov    -0x38(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    1477 <sint1+0x367>
mov    -0x10(%rbp),%rax
movslq -0x38(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x28(%rbp),%rax
movslq -0x38(%rbp),%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x20(%rbp),%rax
movslq -0x38(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x10(%rbp),%rax
movslq -0x38(%rbp),%rcx
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x38(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x38(%rbp)
jmp    1429 <sint1+0x319>
add    $0x70,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<sint1>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %r8,%r14
mov    %rcx,%r15
mov    %rsi,%rbx
mov    %edi,%r12d
mov    %edi,%r13d
test   %edi,%edi
jle    12d7 <sint1+0x1c7>
cmp    $0x4,%r12d
jae    11ae <sint1+0x9e>
xor    %eax,%eax
mov    %rax,%rcx
not    %rcx
test   $0x1,%r13b
je     1160 <sint1+0x50>
movsd  (%rbx,%rax,8),%xmm0
movsd  %xmm0,(%r15,%rax,8)
movsd  (%r14,%rax,8),%xmm0
movsd  %xmm0,(%rbx,%rax,8)
or     $0x1,%rax
add    %r13,%rcx
je     12cd <sint1+0x1bd>
nopl   0x0(%rax)
movsd  (%rbx,%rax,8),%xmm0
movsd  %xmm0,(%r15,%rax,8)
movsd  (%r14,%rax,8),%xmm0
movsd  %xmm0,(%rbx,%rax,8)
movsd  0x8(%rbx,%rax,8),%xmm0
movsd  %xmm0,0x8(%r15,%rax,8)
movsd  0x8(%r14,%rax,8),%xmm0
movsd  %xmm0,0x8(%rbx,%rax,8)
add    $0x2,%rax
cmp    %rax,%r13
jne    1170 <sint1+0x60>
jmp    12cd <sint1+0x1bd>
lea    (%rbx,%r13,8),%rax
cmp    %r15,%rax
seta   %r10b
lea    (%r15,%r13,8),%rsi
cmp    %rbx,%rsi
seta   %r11b
lea    (%r14,%r13,8),%rdi
cmp    %r15,%rdi
seta   %cl
cmp    %r14,%rsi
seta   %bpl
cmp    %rbx,%rdi
seta   %sil
cmp    %r14,%rax
seta   %r8b
xor    %eax,%eax
test   %r11b,%r10b
jne    113a <sint1+0x2a>
and    %bpl,%cl
jne    113a <sint1+0x2a>
and    %r8b,%sil
jne    113a <sint1+0x2a>
mov    %r13d,%eax
and    $0xfffffffc,%eax
lea    -0x4(%rax),%rcx
mov    %rcx,%rsi
shr    $0x2,%rsi
add    $0x1,%rsi
test   %rcx,%rcx
je     15f2 <sint1+0x4e2>
mov    %rsi,%rdi
and    $0xfffffffffffffffe,%rdi
xor    %ecx,%ecx
nopw   0x0(%rax,%rax,1)
movups (%rbx,%rcx,8),%xmm0
movups 0x10(%rbx,%rcx,8),%xmm1
movups %xmm0,(%r15,%rcx,8)
movups %xmm1,0x10(%r15,%rcx,8)
movups (%r14,%rcx,8),%xmm0
movups 0x10(%r14,%rcx,8),%xmm1
movups %xmm0,(%rbx,%rcx,8)
movups %xmm1,0x10(%rbx,%rcx,8)
movups 0x20(%rbx,%rcx,8),%xmm0
movups 0x30(%rbx,%rcx,8),%xmm1
movups %xmm0,0x20(%r15,%rcx,8)
movups %xmm1,0x30(%r15,%rcx,8)
movupd 0x20(%r14,%rcx,8),%xmm0
movupd 0x30(%r14,%rcx,8),%xmm1
movupd %xmm0,0x20(%rbx,%rcx,8)
movupd %xmm1,0x30(%rbx,%rcx,8)
add    $0x8,%rcx
add    $0xfffffffffffffffe,%rdi
jne    1230 <sint1+0x120>
test   $0x1,%sil
je     12c4 <sint1+0x1b4>
movups (%rbx,%rcx,8),%xmm0
movups 0x10(%rbx,%rcx,8),%xmm1
movups %xmm0,(%r15,%rcx,8)
movups %xmm1,0x10(%r15,%rcx,8)
movupd (%r14,%rcx,8),%xmm0
movupd 0x10(%r14,%rcx,8),%xmm1
movupd %xmm0,(%rbx,%rcx,8)
movupd %xmm1,0x10(%rbx,%rcx,8)
cmp    %r13,%rax
jne    113a <sint1+0x2a>
cmp    $0x1,%r12d
jg     136e <sint1+0x25e>
movsd  (%r15),%xmm0
addsd  %xmm0,%xmm0
movsd  %xmm0,(%r15)
test   %r12d,%r12d
jle    14cc <sint1+0x3bc>
cmp    $0x4,%r12d
jae    13af <sint1+0x29f>
xor    %eax,%eax
mov    %rax,%rcx
not    %rcx
test   $0x1,%r13b
je     1320 <sint1+0x210>
movsd  (%rbx,%rax,8),%xmm0
movsd  %xmm0,(%r14,%rax,8)
movsd  (%r15,%rax,8),%xmm0
movsd  %xmm0,(%rbx,%rax,8)
or     $0x1,%rax
add    %r13,%rcx
je     14cc <sint1+0x3bc>
nopl   0x0(%rax)
movsd  (%rbx,%rax,8),%xmm0
movsd  %xmm0,(%r14,%rax,8)
movsd  (%r15,%rax,8),%xmm0
movsd  %xmm0,(%rbx,%rax,8)
movsd  0x8(%rbx,%rax,8),%xmm0
movsd  %xmm0,0x8(%r14,%rax,8)
movsd  0x8(%r15,%rax,8),%xmm0
movsd  %xmm0,0x8(%rbx,%rax,8)
add    $0x2,%rax
cmp    %rax,%r13
jne    1330 <sint1+0x220>
jmp    14cc <sint1+0x3bc>
cmp    $0x2,%r12d
jne    14db <sint1+0x3cb>
movsd  (%r15),%xmm0
movsd  0x8(%r15),%xmm1
movapd %xmm0,%xmm2
addsd  %xmm1,%xmm2
movsd  0xc7d(%rip),%xmm3
mulsd  %xmm3,%xmm2
subsd  %xmm1,%xmm0
mulsd  %xmm3,%xmm0
movsd  %xmm0,0x8(%r15)
movsd  %xmm2,(%r15)
jmp    12e5 <sint1+0x1d5>
lea    (%rbx,%r13,8),%rax
cmp    %r14,%rax
seta   %r8b
lea    (%r14,%r13,8),%rdx
cmp    %rbx,%rdx
seta   %r9b
lea    (%r15,%r13,8),%rdi
cmp    %r14,%rdi
seta   %cl
cmp    %r15,%rdx
seta   %sil
cmp    %rbx,%rdi
seta   %dl
cmp    %r15,%rax
seta   %dil
xor    %eax,%eax
test   %r9b,%r8b
jne    12fa <sint1+0x1ea>
and    %sil,%cl
jne    12fa <sint1+0x1ea>
and    %dil,%dl
jne    12fa <sint1+0x1ea>
mov    %r13d,%eax
and    $0xfffffffc,%eax
lea    -0x4(%rax),%rcx
mov    %rcx,%rdx
shr    $0x2,%rdx
add    $0x1,%rdx
test   %rcx,%rcx
je     1603 <sint1+0x4f3>
mov    %rdx,%rsi
and    $0xfffffffffffffffe,%rsi
xor    %ecx,%ecx
nopw   0x0(%rax,%rax,1)
movups (%rbx,%rcx,8),%xmm0
movups 0x10(%rbx,%rcx,8),%xmm1
movups %xmm0,(%r14,%rcx,8)
movups %xmm1,0x10(%r14,%rcx,8)
movups (%r15,%rcx,8),%xmm0
movups 0x10(%r15,%rcx,8),%xmm1
movups %xmm0,(%rbx,%rcx,8)
movups %xmm1,0x10(%rbx,%rcx,8)
movups 0x20(%rbx,%rcx,8),%xmm0
movups 0x30(%rbx,%rcx,8),%xmm1
movups %xmm0,0x20(%r14,%rcx,8)
movups %xmm1,0x30(%r14,%rcx,8)
movupd 0x20(%r15,%rcx,8),%xmm0
movupd 0x30(%r15,%rcx,8),%xmm1
movupd %xmm0,0x20(%rbx,%rcx,8)
movupd %xmm1,0x30(%rbx,%rcx,8)
add    $0x8,%rcx
add    $0xfffffffffffffffe,%rsi
jne    1430 <sint1+0x320>
test   $0x1,%dl
je     14c3 <sint1+0x3b3>
movups (%rbx,%rcx,8),%xmm0
movups 0x10(%rbx,%rcx,8),%xmm1
movups %xmm0,(%r14,%rcx,8)
movups %xmm1,0x10(%r14,%rcx,8)
movupd (%r15,%rcx,8),%xmm0
movupd 0x10(%r15,%rcx,8),%xmm1
movupd %xmm0,(%rbx,%rcx,8)
movupd %xmm1,0x10(%rbx,%rcx,8)
cmp    %r13,%rax
jne    12fa <sint1+0x1ea>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret
lea    0x1(%r12),%edi
mov    %r12d,%r8d
shr    %r8d
movq   $0x0,(%r14)
lea    0x0(,%r8,8),%rcx
xor    %esi,%esi
mov    %r13,%rax
nopw   0x0(%rax,%rax,1)
movsd  (%r15,%rsi,1),%xmm0
movsd  -0x8(%r15,%rax,8),%xmm1
movapd %xmm0,%xmm2
addsd  %xmm1,%xmm0
mulsd  (%rdx,%rsi,1),%xmm0
subsd  %xmm1,%xmm2
movapd %xmm2,%xmm1
addsd  %xmm0,%xmm1
movsd  %xmm1,0x8(%r14,%rsi,1)
subsd  %xmm2,%xmm0
movsd  %xmm0,(%r14,%rax,8)
add    $0xffffffffffffffff,%rax
add    $0x8,%rsi
cmp    %rsi,%rcx
jne    1500 <sint1+0x3f0>
test   $0x1,%r12b
je     1562 <sint1+0x452>
mov    %r8d,%eax
movsd  (%r15,%rax,8),%xmm0
mulsd  0xaa5(%rip),%xmm0
movsd  %xmm0,0x8(%r14,%rax,8)
mov    %r14,%rsi
mov    %r15,%rdx
mov    %rbx,%rcx
mov    %r9,%r8
call   1030 <rfftf1@plt>
movsd  (%r14),%xmm0
mulsd  0xa88(%rip),%xmm0
movsd  %xmm0,(%r15)
cmp    $0x3,%r12d
jl     15c7 <sint1+0x4b7>
mov    $0x2,%eax
movapd 0xa88(%rip),%xmm1
nopl   0x0(%rax,%rax,1)
movsd  (%r14,%rax,8),%xmm2
xorpd  %xmm1,%xmm2
movlpd %xmm2,-0x8(%r15,%rax,8)
addsd  -0x8(%r14,%rax,8),%xmm0
movsd  %xmm0,(%r15,%rax,8)
add    $0x2,%rax
cmp    %r13,%rax
jb     15a0 <sint1+0x490>
test   $0x1,%r12b
jne    12e5 <sint1+0x1d5>
movslq %r12d,%rax
movsd  (%r14,%rax,8),%xmm0
xorpd  0xa3e(%rip),%xmm0
lea    -0x1(%r12),%eax
movlpd %xmm0,(%r15,%rax,8)
jmp    12e5 <sint1+0x1d5>
xor    %ecx,%ecx
test   $0x1,%sil
jne    1298 <sint1+0x188>
jmp    12c4 <sint1+0x1b4>
xor    %ecx,%ecx
test   $0x1,%dl
jne    1497 <sint1+0x387>
jmp    14c3 <sint1+0x3b3>

LLVM IR (-O0):
@sint1.sqrt3 = internal constant double 0x3FFBB67AE8584CB7
define void @sint1(i32 %0, double* %1, double* %2, double* %3, double* %4, i32* %5) {
%7 = alloca i32
%8 = alloca double*
%9 = alloca double*
%10 = alloca double*
%11 = alloca double*
%12 = alloca i32*
%13 = alloca i32
%14 = alloca i32
%15 = alloca i32
%16 = alloca double
%17 = alloca double
%18 = alloca double
%19 = alloca i32
%20 = alloca i32
%21 = alloca i32
store i32 %0, i32* %7
store double* %1, double** %8
store double* %2, double** %9
store double* %3, double** %10
store double* %4, double** %11
store i32* %5, i32** %12
store i32 0, i32* %14
br label %22
22: ; preds = %45, %6
%23 = load i32, i32* %14
%24 = load i32, i32* %7
%25 = icmp slt i32 %23, %24
br i1 %25, label %26, label %48
26: ; preds = %22
%27 = load double*, double** %8
%28 = load i32, i32* %14
%29 = sext i32 %28 to i64
%30 = getelementptr inbounds double, double* %27, i64 %29
%31 = load double, double* %30
%32 = load double*, double** %10
%33 = load i32, i32* %14
%34 = sext i32 %33 to i64
%35 = getelementptr inbounds double, double* %32, i64 %34
store double %31, double* %35
%36 = load double*, double** %11
%37 = load i32, i32* %14
%38 = sext i32 %37 to i64
%39 = getelementptr inbounds double, double* %36, i64 %38
%40 = load double, double* %39
%41 = load double*, double** %8
%42 = load i32, i32* %14
%43 = sext i32 %42 to i64
%44 = getelementptr inbounds double, double* %41, i64 %43
store double %40, double* %44
br label %45
45: ; preds = %26
%46 = load i32, i32* %14
%47 = add nsw i32 %46, 1
store i32 %47, i32* %14
br label %22
48: ; preds = %22
%49 = load i32, i32* %7
%50 = icmp slt i32 %49, 2
br i1 %50, label %51, label %59
51: ; preds = %48
%52 = load double*, double** %10
%53 = getelementptr inbounds double, double* %52, i64 0
%54 = load double, double* %53
%55 = load double*, double** %10
%56 = getelementptr inbounds double, double* %55, i64 0
%57 = load double, double* %56
%58 = fadd double %57, %54
store double %58, double* %56
br label %230
59: ; preds = %48
%60 = load i32, i32* %7
%61 = icmp eq i32 %60, 2
br i1 %61, label %62, label %84
62: ; preds = %59
%63 = load double*, double** %10
%64 = getelementptr inbounds double, double* %63, i64 0
%65 = load double, double* %64
%66 = load double*, double** %10
%67 = getelementptr inbounds double, double* %66, i64 1
%68 = load double, double* %67
%69 = fadd double %65, %68
%70 = fmul double 0x3FFBB67AE8584CB7, %69
store double %70, double* %16
%71 = load double*, double** %10
%72 = getelementptr inbounds double, double* %71, i64 0
%73 = load double, double* %72
%74 = load double*, double** %10
%75 = getelementptr inbounds double, double* %74, i64 1
%76 = load double, double* %75
%77 = fsub double %73, %76
%78 = fmul double 0x3FFBB67AE8584CB7, %77
%79 = load double*, double** %10
%80 = getelementptr inbounds double, double* %79, i64 1
store double %78, double* %80
%81 = load double, double* %16
%82 = load double*, double** %10
%83 = getelementptr inbounds double, double* %82, i64 0
store double %81, double* %83
br label %229
84: ; preds = %59
%85 = load i32, i32* %7
%86 = add nsw i32 %85, 1
store i32 %86, i32* %20
%87 = load i32, i32* %7
%88 = sdiv i32 %87, 2
store i32 %88, i32* %21
%89 = load double*, double** %11
%90 = getelementptr inbounds double, double* %89, i64 0
store double 0.000000e+00, double* %90
store i32 0, i32* %15
br label %91
91: ; preds = %144, %84
%92 = load i32, i32* %15
%93 = load i32, i32* %21
%94 = icmp slt i32 %92, %93
br i1 %94, label %95, label %147
95: ; preds = %91
%96 = load i32, i32* %7
%97 = load i32, i32* %15
%98 = sub nsw i32 %96, %97
%99 = sub nsw i32 %98, 1
store i32 %99, i32* %19
%100 = load double*, double** %10
%101 = load i32, i32* %15
%102 = sext i32 %101 to i64
%103 = getelementptr inbounds double, double* %100, i64 %102
%104 = load double, double* %103
%105 = load double*, double** %10
%106 = load i32, i32* %19
%107 = sext i32 %106 to i64
%108 = getelementptr inbounds double, double* %105, i64 %107
%109 = load double, double* %108
%110 = fsub double %104, %109
store double %110, double* %17
%111 = load double*, double** %9
%112 = load i32, i32* %15
%113 = sext i32 %112 to i64
%114 = getelementptr inbounds double, double* %111, i64 %113
%115 = load double, double* %114
%116 = load double*, double** %10
%117 = load i32, i32* %15
%118 = sext i32 %117 to i64
%119 = getelementptr inbounds double, double* %116, i64 %118
%120 = load double, double* %119
%121 = load double*, double** %10
%122 = load i32, i32* %19
%123 = sext i32 %122 to i64
%124 = getelementptr inbounds double, double* %121, i64 %123
%125 = load double, double* %124
%126 = fadd double %120, %125
%127 = fmul double %115, %126
store double %127, double* %18
%128 = load double, double* %17
%129 = load double, double* %18
%130 = fadd double %128, %129
%131 = load double*, double** %11
%132 = load i32, i32* %15
%133 = add nsw i32 %132, 1
%134 = sext i32 %133 to i64
%135 = getelementptr inbounds double, double* %131, i64 %134
store double %130, double* %135
%136 = load double, double* %18
%137 = load double, double* %17
%138 = fsub double %136, %137
%139 = load double*, double** %11
%140 = load i32, i32* %19
%141 = add nsw i32 %140, 1
%142 = sext i32 %141 to i64
%143 = getelementptr inbounds double, double* %139, i64 %142
store double %138, double* %143
br label %144
144: ; preds = %95
%145 = load i32, i32* %15
%146 = add nsw i32 %145, 1
store i32 %146, i32* %15
br label %91
147: ; preds = %91
%148 = load i32, i32* %7
%149 = srem i32 %148, 2
store i32 %149, i32* %13
%150 = load i32, i32* %13
%151 = icmp ne i32 %150, 0
br i1 %151, label %152, label %164
152: ; preds = %147
%153 = load double*, double** %10
%154 = load i32, i32* %21
%155 = sext i32 %154 to i64
%156 = getelementptr inbounds double, double* %153, i64 %155
%157 = load double, double* %156
%158 = fmul double 4.000000e+00, %157
%159 = load double*, double** %11
%160 = load i32, i32* %21
%161 = add nsw i32 %160, 1
%162 = sext i32 %161 to i64
%163 = getelementptr inbounds double, double* %159, i64 %162
store double %158, double* %163
br label %164
164: ; preds = %152, %147
%165 = load i32, i32* %20
%166 = load double*, double** %11
%167 = load double*, double** %10
%168 = load double*, double** %8
%169 = load i32*, i32** %12
%170 = call i32 @rfftf1(i32 %165, double* %166, double* %167, double* %168, i32* %169)
%171 = load double*, double** %11
%172 = getelementptr inbounds double, double* %171, i64 0
%173 = load double, double* %172
%174 = fmul double 5.000000e-01, %173
%175 = load double*, double** %10
%176 = getelementptr inbounds double, double* %175, i64 0
store double %174, double* %176
store i32 2, i32* %14
br label %177
177: ; preds = %210, %164
%178 = load i32, i32* %14
%179 = load i32, i32* %7
%180 = icmp slt i32 %178, %179
br i1 %180, label %181, label %213
181: ; preds = %177
%182 = load double*, double** %11
%183 = load i32, i32* %14
%184 = sext i32 %183 to i64
%185 = getelementptr inbounds double, double* %182, i64 %184
%186 = load double, double* %185
%187 = fneg double %186
%188 = load double*, double** %10
%189 = load i32, i32* %14
%190 = sub nsw i32 %189, 1
%191 = sext i32 %190 to i64
%192 = getelementptr inbounds double, double* %188, i64 %191
store double %187, double* %192
%193 = load double*, double** %10
%194 = load i32, i32* %14
%195 = sub nsw i32 %194, 2
%196 = sext i32 %195 to i64
%197 = getelementptr inbounds double, double* %193, i64 %196
%198 = load double, double* %197
%199 = load double*, double** %11
%200 = load i32, i32* %14
%201 = sub nsw i32 %200, 1
%202 = sext i32 %201 to i64
%203 = getelementptr inbounds double, double* %199, i64 %202
%204 = load double, double* %203
%205 = fadd double %198, %204
%206 = load double*, double** %10
%207 = load i32, i32* %14
%208 = sext i32 %207 to i64
%209 = getelementptr inbounds double, double* %206, i64 %208
store double %205, double* %209
br label %210
210: ; preds = %181
%211 = load i32, i32* %14
%212 = add nsw i32 %211, 2
store i32 %212, i32* %14
br label %177
213: ; preds = %177
%214 = load i32, i32* %13
%215 = icmp eq i32 %214, 0
br i1 %215, label %216, label %228
216: ; preds = %213
%217 = load double*, double** %11
%218 = load i32, i32* %7
%219 = sext i32 %218 to i64
%220 = getelementptr inbounds double, double* %217, i64 %219
%221 = load double, double* %220
%222 = fneg double %221
%223 = load double*, double** %10
%224 = load i32, i32* %7
%225 = sub nsw i32 %224, 1
%226 = sext i32 %225 to i64
%227 = getelementptr inbounds double, double* %223, i64 %226
store double %222, double* %227
br label %228
228: ; preds = %216, %213
br label %229
229: ; preds = %228, %62
br label %230
230: ; preds = %229, %51
store i32 0, i32* %14
br label %231
231: ; preds = %254, %230
%232 = load i32, i32* %14
%233 = load i32, i32* %7
%234 = icmp slt i32 %232, %233
br i1 %234, label %235, label %257
235: ; preds = %231
%236 = load double*, double** %8
%237 = load i32, i32* %14
%238 = sext i32 %237 to i64
%239 = getelementptr inbounds double, double* %236, i64 %238
%240 = load double, double* %239
%241 = load double*, double** %11
%242 = load i32, i32* %14
%243 = sext i32 %242 to i64
%244 = getelementptr inbounds double, double* %241, i64 %243
store double %240, double* %244
%245 = load double*, double** %10
%246 = load i32, i32* %14
%247 = sext i32 %246 to i64
%248 = getelementptr inbounds double, double* %245, i64 %247
%249 = load double, double* %248
%250 = load double*, double** %8
%251 = load i32, i32* %14
%252 = sext i32 %251 to i64
%253 = getelementptr inbounds double, double* %250, i64 %252
store double %249, double* %253
br label %254
254: ; preds = %235
%255 = load i32, i32* %14
%256 = add nsw i32 %255, 1
store i32 %256, i32* %14
br label %231
257: ; preds = %231
ret void
}

LLVM IR (-O2):
define void @sint1(i32 %0, double* %1, double* nocapture %2, double* %3, double* %4, i32* %5) {
%7 = icmp sgt i32 %0, 0
br i1 %7, label %8, label %135
8: ; preds = %6
%9 = zext i32 %0 to i64
%10 = icmp ult i32 %0, 4
br i1 %10, label %102, label %11
11: ; preds = %8
%12 = getelementptr double, double* %3, i64 %9
%13 = getelementptr double, double* %1, i64 %9
%14 = getelementptr double, double* %4, i64 %9
%15 = icmp ugt double* %13, %3
%16 = icmp ugt double* %12, %1
%17 = and i1 %15, %16
%18 = icmp ugt double* %14, %3
%19 = icmp ugt double* %12, %4
%20 = and i1 %18, %19
%21 = or i1 %17, %20
%22 = icmp ugt double* %14, %1
%23 = icmp ugt double* %13, %4
%24 = and i1 %22, %23
%25 = or i1 %21, %24
br i1 %25, label %102, label %26
26: ; preds = %11
%27 = and i64 %9, 4294967292
%28 = add nsw i64 %27, -4
%29 = lshr exact i64 %28, 2
%30 = add nuw nsw i64 %29, 1
%31 = and i64 %30, 1
%32 = icmp eq i64 %28, 0
br i1 %32, label %78, label %33
33: ; preds = %26
%34 = and i64 %30, 9223372036854775806
br label %35
35: ; preds = %35, %33
%36 = phi i64 [ 0, %33 ], [ %75, %35 ]
%37 = phi i64 [ 0, %33 ], [ %76, %35 ]
%38 = getelementptr inbounds double, double* %1, i64 %36
%39 = bitcast double* %38 to <2 x double>*
%40 = load <2 x double>, <2 x double>* %39
%41 = getelementptr inbounds double, double* %38, i64 2
%42 = bitcast double* %41 to <2 x double>*
%43 = load <2 x double>, <2 x double>* %42
%44 = getelementptr inbounds double, double* %3, i64 %36
%45 = bitcast double* %44 to <2 x double>*
store <2 x double> %40, <2 x double>* %45
%46 = getelementptr inbounds double, double* %44, i64 2
%47 = bitcast double* %46 to <2 x double>*
store <2 x double> %43, <2 x double>* %47
%48 = getelementptr inbounds double, double* %4, i64 %36
%49 = bitcast double* %48 to <2 x double>*
%50 = load <2 x double>, <2 x double>* %49
%51 = getelementptr inbounds double, double* %48, i64 2
%52 = bitcast double* %51 to <2 x double>*
%53 = load <2 x double>, <2 x double>* %52
%54 = bitcast double* %38 to <2 x double>*
store <2 x double> %50, <2 x double>* %54
%55 = bitcast double* %41 to <2 x double>*
store <2 x double> %53, <2 x double>* %55
%56 = or i64 %36, 4
%57 = getelementptr inbounds double, double* %1, i64 %56
%58 = bitcast double* %57 to <2 x double>*
%59 = load <2 x double>, <2 x double>* %58
%60 = getelementptr inbounds double, double* %57, i64 2
%61 = bitcast double* %60 to <2 x double>*
%62 = load <2 x double>, <2 x double>* %61
%63 = getelementptr inbounds double, double* %3, i64 %56
%64 = bitcast double* %63 to <2 x double>*
store <2 x double> %59, <2 x double>* %64
%65 = getelementptr inbounds double, double* %63, i64 2
%66 = bitcast double* %65 to <2 x double>*
store <2 x double> %62, <2 x double>* %66
%67 = getelementptr inbounds double, double* %4, i64 %56
%68 = bitcast double* %67 to <2 x double>*
%69 = load <2 x double>, <2 x double>* %68
%70 = getelementptr inbounds double, double* %67, i64 2
%71 = bitcast double* %70 to <2 x double>*
%72 = load <2 x double>, <2 x double>* %71
%73 = bitcast double* %57 to <2 x double>*
store <2 x double> %69, <2 x double>* %73
%74 = bitcast double* %60 to <2 x double>*
store <2 x double> %72, <2 x double>* %74
%75 = add nuw i64 %36, 8
%76 = add i64 %37, 2
%77 = icmp eq i64 %76, %34
br i1 %77, label %78, label %35
78: ; preds = %35, %26
%79 = phi i64 [ 0, %26 ], [ %75, %35 ]
%80 = icmp eq i64 %31, 0
br i1 %80, label %100, label %81
81: ; preds = %78
%82 = getelementptr inbounds double, double* %1, i64 %79
%83 = bitcast double* %82 to <2 x double>*
%84 = load <2 x double>, <2 x double>* %83
%85 = getelementptr inbounds double, double* %82, i64 2
%86 = bitcast double* %85 to <2 x double>*
%87 = load <2 x double>, <2 x double>* %86
%88 = getelementptr inbounds double, double* %3, i64 %79
%89 = bitcast double* %88 to <2 x double>*
store <2 x double> %84, <2 x double>* %89
%90 = getelementptr inbounds double, double* %88, i64 2
%91 = bitcast double* %90 to <2 x double>*
store <2 x double> %87, <2 x double>* %91
%92 = getelementptr inbounds double, double* %4, i64 %79
%93 = bitcast double* %92 to <2 x double>*
%94 = load <2 x double>, <2 x double>* %93
%95 = getelementptr inbounds double, double* %92, i64 2
%96 = bitcast double* %95 to <2 x double>*
%97 = load <2 x double>, <2 x double>* %96
%98 = bitcast double* %82 to <2 x double>*
store <2 x double> %94, <2 x double>* %98
%99 = bitcast double* %85 to <2 x double>*
store <2 x double> %97, <2 x double>* %99
br label %100
100: ; preds = %78, %81
%101 = icmp eq i64 %27, %9
br i1 %101, label %133, label %102
102: ; preds = %11, %8, %100
%103 = phi i64 [ 0, %11 ], [ 0, %8 ], [ %27, %100 ]
%104 = xor i64 %103, -1
%105 = and i64 %9, 1
%106 = icmp eq i64 %105, 0
br i1 %106, label %114, label %107
107: ; preds = %102
%108 = getelementptr inbounds double, double* %1, i64 %103
%109 = load double, double* %108
%110 = getelementptr inbounds double, double* %3, i64 %103
store double %109, double* %110
%111 = getelementptr inbounds double, double* %4, i64 %103
%112 = load double, double* %111
store double %112, double* %108
%113 = or i64 %103, 1
br label %114
114: ; preds = %107, %102
%115 = phi i64 [ %103, %102 ], [ %113, %107 ]
%116 = sub nsw i64 0, %9
%117 = icmp eq i64 %104, %116
br i1 %117, label %133, label %118
118: ; preds = %114, %118
%119 = phi i64 [ %131, %118 ], [ %115, %114 ]
%120 = getelementptr inbounds double, double* %1, i64 %119
%121 = load double, double* %120
%122 = getelementptr inbounds double, double* %3, i64 %119
store double %121, double* %122
%123 = getelementptr inbounds double, double* %4, i64 %119
%124 = load double, double* %123
store double %124, double* %120
%125 = add nuw nsw i64 %119, 1
%126 = getelementptr inbounds double, double* %1, i64 %125
%127 = load double, double* %126
%128 = getelementptr inbounds double, double* %3, i64 %125
store double %127, double* %128
%129 = getelementptr inbounds double, double* %4, i64 %125
%130 = load double, double* %129
store double %130, double* %126
%131 = add nuw nsw i64 %119, 2
%132 = icmp eq i64 %131, %9
br i1 %132, label %133, label %118
133: ; preds = %114, %118, %100
%134 = icmp slt i32 %0, 2
br i1 %134, label %135, label %138
135: ; preds = %6, %133
%136 = load double, double* %3
%137 = fadd double %136, %136
store double %137, double* %3
br label %213
138: ; preds = %133
%139 = icmp eq i32 %0, 2
br i1 %139, label %140, label %148
140: ; preds = %138
%141 = load double, double* %3
%142 = getelementptr inbounds double, double* %3, i64 1
%143 = load double, double* %142
%144 = fadd double %141, %143
%145 = fmul double %144, 0x3FFBB67AE8584CB7
%146 = fsub double %141, %143
%147 = fmul double %146, 0x3FFBB67AE8584CB7
store double %147, double* %142
store double %145, double* %3
br label %213
148: ; preds = %138
%149 = add nuw nsw i32 %0, 1
%150 = lshr i32 %0, 1
store double 0.000000e+00, double* %4
%151 = zext i32 %0 to i64
%152 = zext i32 %150 to i64
br label %153
153: ; preds = %148, %153
%154 = phi i64 [ 0, %148 ], [ %167, %153 ]
%155 = sub nsw i64 %151, %154
%156 = add nsw i64 %155, -1
%157 = getelementptr inbounds double, double* %3, i64 %154
%158 = load double, double* %157
%159 = getelementptr inbounds double, double* %3, i64 %156
%160 = load double, double* %159
%161 = fsub double %158, %160
%162 = getelementptr inbounds double, double* %2, i64 %154
%163 = load double, double* %162
%164 = fadd double %158, %160
%165 = fmul double %163, %164
%166 = fadd double %161, %165
%167 = add nuw nsw i64 %154, 1
%168 = getelementptr inbounds double, double* %4, i64 %167
store double %166, double* %168
%169 = fsub double %165, %161
%170 = getelementptr inbounds double, double* %4, i64 %155
store double %169, double* %170
%171 = icmp eq i64 %167, %152
br i1 %171, label %172, label %153
172: ; preds = %153
%173 = and i32 %0, 1
%174 = icmp eq i32 %173, 0
br i1 %174, label %183, label %175
175: ; preds = %172
%176 = zext i32 %150 to i64
%177 = getelementptr inbounds double, double* %3, i64 %176
%178 = load double, double* %177
%179 = fmul double %178, 4.000000e+00
%180 = add nuw nsw i32 %150, 1
%181 = zext i32 %180 to i64
%182 = getelementptr inbounds double, double* %4, i64 %181
store double %179, double* %182
br label %183
183: ; preds = %175, %172
%184 = tail call i32 @rfftf1(i32 %149, double* %4, double* %3, double* %1, i32* %5)
%185 = load double, double* %4
%186 = fmul double %185, 5.000000e-01
store double %186, double* %3
%187 = icmp sgt i32 %0, 2
br i1 %187, label %188, label %204
188: ; preds = %183
%189 = zext i32 %0 to i64
br label %190
190: ; preds = %188, %190
%191 = phi double [ %186, %188 ], [ %200, %190 ]
%192 = phi i64 [ 2, %188 ], [ %202, %190 ]
%193 = getelementptr inbounds double, double* %4, i64 %192
%194 = load double, double* %193
%195 = fneg double %194
%196 = add nsw i64 %192, -1
%197 = getelementptr inbounds double, double* %3, i64 %196
store double %195, double* %197
%198 = getelementptr inbounds double, double* %4, i64 %196
%199 = load double, double* %198
%200 = fadd double %191, %199
%201 = getelementptr inbounds double, double* %3, i64 %192
store double %200, double* %201
%202 = add nuw nsw i64 %192, 2
%203 = icmp ult i64 %202, %189
br i1 %203, label %190, label %204
204: ; preds = %190, %183
br i1 %174, label %205, label %213
205: ; preds = %204
%206 = sext i32 %0 to i64
%207 = getelementptr inbounds double, double* %4, i64 %206
%208 = load double, double* %207
%209 = fneg double %208
%210 = add nsw i32 %0, -1
%211 = zext i32 %210 to i64
%212 = getelementptr inbounds double, double* %3, i64 %211
store double %209, double* %212
br label %213
213: ; preds = %140, %205, %204, %135
br i1 %7, label %214, label %339
214: ; preds = %213
%215 = zext i32 %0 to i64
%216 = icmp ult i32 %0, 4
br i1 %216, label %308, label %217
217: ; preds = %214
%218 = getelementptr double, double* %4, i64 %215
%219 = getelementptr double, double* %1, i64 %215
%220 = getelementptr double, double* %3, i64 %215
%221 = icmp ugt double* %219, %4
%222 = icmp ugt double* %218, %1
%223 = and i1 %221, %222
%224 = icmp ugt double* %220, %4
%225 = icmp ugt double* %218, %3
%226 = and i1 %224, %225
%227 = or i1 %223, %226
%228 = icmp ugt double* %220, %1
%229 = icmp ugt double* %219, %3
%230 = and i1 %228, %229
%231 = or i1 %227, %230
br i1 %231, label %308, label %232
232: ; preds = %217
%233 = and i64 %215, 4294967292
%234 = add nsw i64 %233, -4
%235 = lshr exact i64 %234, 2
%236 = add nuw nsw i64 %235, 1
%237 = and i64 %236, 1
%238 = icmp eq i64 %234, 0
br i1 %238, label %284, label %239
239: ; preds = %232
%240 = and i64 %236, 9223372036854775806
br label %241
241: ; preds = %241, %239
%242 = phi i64 [ 0, %239 ], [ %281, %241 ]
%243 = phi i64 [ 0, %239 ], [ %282, %241 ]
%244 = getelementptr inbounds double, double* %1, i64 %242
%245 = bitcast double* %244 to <2 x double>*
%246 = load <2 x double>, <2 x double>* %245
%247 = getelementptr inbounds double, double* %244, i64 2
%248 = bitcast double* %247 to <2 x double>*
%249 = load <2 x double>, <2 x double>* %248
%250 = getelementptr inbounds double, double* %4, i64 %242
%251 = bitcast double* %250 to <2 x double>*
store <2 x double> %246, <2 x double>* %251
%252 = getelementptr inbounds double, double* %250, i64 2
%253 = bitcast double* %252 to <2 x double>*
store <2 x double> %249, <2 x double>* %253
%254 = getelementptr inbounds double, double* %3, i64 %242
%255 = bitcast double* %254 to <2 x double>*
%256 = load <2 x double>, <2 x double>* %255
%257 = getelementptr inbounds double, double* %254, i64 2
%258 = bitcast double* %257 to <2 x double>*
%259 = load <2 x double>, <2 x double>* %258
%260 = bitcast double* %244 to <2 x double>*
store <2 x double> %256, <2 x double>* %260
%261 = bitcast double* %247 to <2 x double>*
store <2 x double> %259, <2 x double>* %261
%262 = or i64 %242, 4
%263 = getelementptr inbounds double, double* %1, i64 %262
%264 = bitcast double* %263 to <2 x double>*
%265 = load <2 x double>, <2 x double>* %264
%266 = getelementptr inbounds double, double* %263, i64 2
%267 = bitcast double* %266 to <2 x double>*
%268 = load <2 x double>, <2 x double>* %267
%269 = getelementptr inbounds double, double* %4, i64 %262
%270 = bitcast double* %269 to <2 x double>*
store <2 x double> %265, <2 x double>* %270
%271 = getelementptr inbounds double, double* %269, i64 2
%272 = bitcast double* %271 to <2 x double>*
store <2 x double> %268, <2 x double>* %272
%273 = getelementptr inbounds double, double* %3, i64 %262
%274 = bitcast double* %273 to <2 x double>*
%275 = load <2 x double>, <2 x double>* %274
%276 = getelementptr inbounds double, double* %273, i64 2
%277 = bitcast double* %276 to <2 x double>*
%278 = load <2 x double>, <2 x double>* %277
%279 = bitcast double* %263 to <2 x double>*
store <2 x double> %275, <2 x double>* %279
%280 = bitcast double* %266 to <2 x double>*
store <2 x double> %278, <2 x double>* %280
%281 = add nuw i64 %242, 8
%282 = add i64 %243, 2
%283 = icmp eq i64 %282, %240
br i1 %283, label %284, label %241
284: ; preds = %241, %232
%285 = phi i64 [ 0, %232 ], [ %281, %241 ]
%286 = icmp eq i64 %237, 0
br i1 %286, label %306, label %287
287: ; preds = %284
%288 = getelementptr inbounds double, double* %1, i64 %285
%289 = bitcast double* %288 to <2 x double>*
%290 = load <2 x double>, <2 x double>* %289
%291 = getelementptr inbounds double, double* %288, i64 2
%292 = bitcast double* %291 to <2 x double>*
%293 = load <2 x double>, <2 x double>* %292
%294 = getelementptr inbounds double, double* %4, i64 %285
%295 = bitcast double* %294 to <2 x double>*
store <2 x double> %290, <2 x double>* %295
%296 = getelementptr inbounds double, double* %294, i64 2
%297 = bitcast double* %296 to <2 x double>*
store <2 x double> %293, <2 x double>* %297
%298 = getelementptr inbounds double, double* %3, i64 %285
%299 = bitcast double* %298 to <2 x double>*
%300 = load <2 x double>, <2 x double>* %299
%301 = getelementptr inbounds double, double* %298, i64 2
%302 = bitcast double* %301 to <2 x double>*
%303 = load <2 x double>, <2 x double>* %302
%304 = bitcast double* %288 to <2 x double>*
store <2 x double> %300, <2 x double>* %304
%305 = bitcast double* %291 to <2 x double>*
store <2 x double> %303, <2 x double>* %305
br label %306
306: ; preds = %284, %287
%307 = icmp eq i64 %233, %215
br i1 %307, label %339, label %308
308: ; preds = %217, %214, %306
%309 = phi i64 [ 0, %217 ], [ 0, %214 ], [ %233, %306 ]
%310 = xor i64 %309, -1
%311 = and i64 %215, 1
%312 = icmp eq i64 %311, 0
br i1 %312, label %320, label %313
313: ; preds = %308
%314 = getelementptr inbounds double, double* %1, i64 %309
%315 = load double, double* %314
%316 = getelementptr inbounds double, double* %4, i64 %309
store double %315, double* %316
%317 = getelementptr inbounds double, double* %3, i64 %309
%318 = load double, double* %317
store double %318, double* %314
%319 = or i64 %309, 1
br label %320
320: ; preds = %313, %308
%321 = phi i64 [ %309, %308 ], [ %319, %313 ]
%322 = sub nsw i64 0, %215
%323 = icmp eq i64 %310, %322
br i1 %323, label %339, label %324
324: ; preds = %320, %324
%325 = phi i64 [ %337, %324 ], [ %321, %320 ]
%326 = getelementptr inbounds double, double* %1, i64 %325
%327 = load double, double* %326
%328 = getelementptr inbounds double, double* %4, i64 %325
store double %327, double* %328
%329 = getelementptr inbounds double, double* %3, i64 %325
%330 = load double, double* %329
store double %330, double* %326
%331 = add nuw nsw i64 %325, 1
%332 = getelementptr inbounds double, double* %1, i64 %331
%333 = load double, double* %332
%334 = getelementptr inbounds double, double* %4, i64 %331
store double %333, double* %334
%335 = getelementptr inbounds double, double* %3, i64 %331
%336 = load double, double* %335
store double %336, double* %332
%337 = add nuw nsw i64 %325, 2
%338 = icmp eq i64 %337, %215
br i1 %338, label %339, label %324
339: ; preds = %320, %324, %306, %213
ret void
}