void kernel_dsymv_1_lib4(int kmax, double *A, int sda, double *x_n, double *y_n,
                         double *z_n, double *x_t, double *y_t, double *z_t,
                         int tri, int alg) {
  if (kmax <= 0)
    return;
  const int bs = 4;
  int k;
  double a_00, x_n_0, y_n_0, x_t_0, y_t_0;
  if (alg == 1) {
    x_n_0 = x_n[0];
  } else {
    x_n_0 = -x_n[0];
  }
  y_t_0 = 0;
  k = 0;
  if (tri == 1) {
    x_t_0 = x_t[0];
    a_00 = A[0 + bs * 0];
    y_t_0 += a_00 * x_t_0;
    if (kmax == 1)
      goto STORE_1;
    y_n_0 = y_n[1];
    x_t_0 = x_t[1];
    a_00 = A[1 + bs * 0];
    y_n_0 += a_00 * x_n_0;
    y_t_0 += a_00 * x_t_0;
    z_n[1] = y_n_0;
    if (kmax == 2)
      goto STORE_1;
    y_n_0 = y_n[2];
    x_t_0 = x_t[2];
    a_00 = A[2 + bs * 0];
    y_n_0 += a_00 * x_n_0;
    y_t_0 += a_00 * x_t_0;
    z_n[2] = y_n_0;
    if (kmax == 3)
      goto STORE_1;
    y_n_0 = y_n[3];
    x_t_0 = x_t[3];
    a_00 = A[3 + bs * 0];
    y_n_0 += a_00 * x_n_0;
    y_t_0 += a_00 * x_t_0;
    z_n[3] = y_n_0;
    if (kmax == 4)
      goto STORE_1;
    A += 4;
    y_n += 4;
    z_n += 4;
    x_t += 4;
    k += 4;
    A += (sda - 1) * bs;
  }
  for (; k < kmax - 3; k += bs) {
    y_n_0 = y_n[0];
    x_t_0 = x_t[0];
    a_00 = A[0 + bs * 0];
    y_n_0 += a_00 * x_n_0;
    y_t_0 += a_00 * x_t_0;
    z_n[0] = y_n_0;
    y_n_0 = y_n[1];
    x_t_0 = x_t[1];
    a_00 = A[1 + bs * 0];
    y_n_0 += a_00 * x_n_0;
    y_t_0 += a_00 * x_t_0;
    z_n[1] = y_n_0;
    y_n_0 = y_n[2];
    x_t_0 = x_t[2];
    a_00 = A[2 + bs * 0];
    y_n_0 += a_00 * x_n_0;
    y_t_0 += a_00 * x_t_0;
    z_n[2] = y_n_0;
    y_n_0 = y_n[3];
    x_t_0 = x_t[3];
    a_00 = A[3 + bs * 0];
    y_n_0 += a_00 * x_n_0;
    y_t_0 += a_00 * x_t_0;
    z_n[3] = y_n_0;
    A += sda * bs;
    y_n += 4;
    z_n += 4;
    x_t += 4;
  }
  for (; k < kmax; k++) {
    y_n_0 = y_n[0];
    x_t_0 = x_t[0];
    a_00 = A[0 + bs * 0];
    y_n_0 += a_00 * x_n_0;
    y_t_0 += a_00 * x_t_0;
    z_n[0] = y_n_0;
    A += 1;
    y_n += 1;
    z_n += 1;
    x_t += 1;
  }
STORE_1:
  if (alg == 1) {
    z_t[0] = y_t[0] + y_t_0;
  } else {
    z_t[0] = y_t[0] - y_t_0;
  }
}


x86 assembly (clang, -O0):
<kernel_dsymv_1_lib4>:
push   %rbp
mov    %rsp,%rbp
mov    0x30(%rbp),%eax
mov    0x28(%rbp),%eax
mov    0x20(%rbp),%rax
mov    0x18(%rbp),%rax
mov    0x10(%rbp),%rax
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %edx,-0x14(%rbp)
mov    %rcx,-0x20(%rbp)
mov    %r8,-0x28(%rbp)
mov    %r9,-0x30(%rbp)
cmpl   $0x0,-0x4(%rbp)
jg     113b <kernel_dsymv_1_lib4+0x3b>
jmp    16c6 <kernel_dsymv_1_lib4+0x5c6>
movl   $0x4,-0x34(%rbp)
cmpl   $0x1,0x30(%rbp)
jne    115e <kernel_dsymv_1_lib4+0x5e>
mov    -0x20(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x48(%rbp)
jmp    1182 <kernel_dsymv_1_lib4+0x82>
mov    -0x20(%rbp),%rax
movsd  (%rax),%xmm0
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
movsd  %xmm0,-0x48(%rbp)
xorps  %xmm0,%xmm0
movsd  %xmm0,-0x60(%rbp)
movl   $0x0,-0x38(%rbp)
cmpl   $0x1,0x28(%rbp)
jne    13b1 <kernel_dsymv_1_lib4+0x2b1>
mov    0x10(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x58(%rbp)
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x58(%rbp),%xmm2
movsd  -0x60(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
cmpl   $0x1,-0x4(%rbp)
jne    11e0 <kernel_dsymv_1_lib4+0xe0>
jmp    168d <kernel_dsymv_1_lib4+0x58d>
mov    -0x28(%rbp),%rax
movsd  0x8(%rax),%xmm0
movsd  %xmm0,-0x50(%rbp)
mov    0x10(%rbp),%rax
movsd  0x8(%rax),%xmm0
movsd  %xmm0,-0x58(%rbp)
mov    -0x10(%rbp),%rax
movsd  0x8(%rax),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x48(%rbp),%xmm2
movsd  -0x50(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x58(%rbp),%xmm2
movsd  -0x60(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  -0x50(%rbp),%xmm0
mov    -0x30(%rbp),%rax
movsd  %xmm0,0x8(%rax)
cmpl   $0x2,-0x4(%rbp)
jne    125f <kernel_dsymv_1_lib4+0x15f>
jmp    168d <kernel_dsymv_1_lib4+0x58d>
mov    -0x28(%rbp),%rax
movsd  0x10(%rax),%xmm0
movsd  %xmm0,-0x50(%rbp)
mov    0x10(%rbp),%rax
movsd  0x10(%rax),%xmm0
movsd  %xmm0,-0x58(%rbp)
mov    -0x10(%rbp),%rax
movsd  0x10(%rax),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x48(%rbp),%xmm2
movsd  -0x50(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x58(%rbp),%xmm2
movsd  -0x60(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  -0x50(%rbp),%xmm0
mov    -0x30(%rbp),%rax
movsd  %xmm0,0x10(%rax)
cmpl   $0x3,-0x4(%rbp)
jne    12de <kernel_dsymv_1_lib4+0x1de>
jmp    168d <kernel_dsymv_1_lib4+0x58d>
mov    -0x28(%rbp),%rax
movsd  0x18(%rax),%xmm0
movsd  %xmm0,-0x50(%rbp)
mov    0x10(%rbp),%rax
movsd  0x18(%rax),%xmm0
movsd  %xmm0,-0x58(%rbp)
mov    -0x10(%rbp),%rax
movsd  0x18(%rax),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x48(%rbp),%xmm2
movsd  -0x50(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x58(%rbp),%xmm2
movsd  -0x60(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  -0x50(%rbp),%xmm0
mov    -0x30(%rbp),%rax
movsd  %xmm0,0x18(%rax)
cmpl   $0x4,-0x4(%rbp)
jne    135d <kernel_dsymv_1_lib4+0x25d>
jmp    168d <kernel_dsymv_1_lib4+0x58d>
mov    -0x10(%rbp),%rax
add    $0x20,%rax
mov    %rax,-0x10(%rbp)
mov    -0x28(%rbp),%rax
add    $0x20,%rax
mov    %rax,-0x28(%rbp)
mov    -0x30(%rbp),%rax
add    $0x20,%rax
mov    %rax,-0x30(%rbp)
mov    0x10(%rbp),%rax
add    $0x20,%rax
mov    %rax,0x10(%rbp)
mov    -0x38(%rbp),%eax
add    $0x4,%eax
mov    %eax,-0x38(%rbp)
mov    -0x14(%rbp),%ecx
sub    $0x1,%ecx
shl    $0x2,%ecx
mov    -0x10(%rbp),%rax
movslq %ecx,%rcx
shl    $0x3,%rcx
add    %rcx,%rax
mov    %rax,-0x10(%rbp)
jmp    13b6 <kernel_dsymv_1_lib4+0x2b6>
mov    -0x38(%rbp),%eax
mov    -0x4(%rbp),%ecx
sub    $0x3,%ecx
cmp    %ecx,%eax
jge    15cd <kernel_dsymv_1_lib4+0x4cd>
mov    -0x28(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x50(%rbp)
mov    0x10(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x58(%rbp)
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x48(%rbp),%xmm2
movsd  -0x50(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x58(%rbp),%xmm2
movsd  -0x60(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  -0x50(%rbp),%xmm0
mov    -0x30(%rbp),%rax
movsd  %xmm0,(%rax)
mov    -0x28(%rbp),%rax
movsd  0x8(%rax),%xmm0
movsd  %xmm0,-0x50(%rbp)
mov    0x10(%rbp),%rax
movsd  0x8(%rax),%xmm0
movsd  %xmm0,-0x58(%rbp)
mov    -0x10(%rbp),%rax
movsd  0x8(%rax),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x48(%rbp),%xmm2
movsd  -0x50(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x58(%rbp),%xmm2
movsd  -0x60(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  -0x50(%rbp),%xmm0
mov    -0x30(%rbp),%rax
movsd  %xmm0,0x8(%rax)
mov    -0x28(%rbp),%rax
movsd  0x10(%rax),%xmm0
movsd  %xmm0,-0x50(%rbp)
mov    0x10(%rbp),%rax
movsd  0x10(%rax),%xmm0
movsd  %xmm0,-0x58(%rbp)
mov    -0x10(%rbp),%rax
movsd  0x10(%rax),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x48(%rbp),%xmm2
movsd  -0x50(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x58(%rbp),%xmm2
movsd  -0x60(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  -0x50(%rbp),%xmm0
mov    -0x30(%rbp),%rax
movsd  %xmm0,0x10(%rax)
mov    -0x28(%rbp),%rax
movsd  0x18(%rax),%xmm0
movsd  %xmm0,-0x50(%rbp)
mov    0x10(%rbp),%rax
movsd  0x18(%rax),%xmm0
movsd  %xmm0,-0x58(%rbp)
mov    -0x10(%rbp),%rax
movsd  0x18(%rax),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x48(%rbp),%xmm2
movsd  -0x50(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x58(%rbp),%xmm2
movsd  -0x60(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  -0x50(%rbp),%xmm0
mov    -0x30(%rbp),%rax
movsd  %xmm0,0x18(%rax)
mov    -0x14(%rbp),%ecx
shl    $0x2,%ecx
mov    -0x10(%rbp),%rax
movslq %ecx,%rcx
shl    $0x3,%rcx
add    %rcx,%rax
mov    %rax,-0x10(%rbp)
mov    -0x28(%rbp),%rax
add    $0x20,%rax
mov    %rax,-0x28(%rbp)
mov    -0x30(%rbp),%rax
add    $0x20,%rax
mov    %rax,-0x30(%rbp)
mov    0x10(%rbp),%rax
add    $0x20,%rax
mov    %rax,0x10(%rbp)
mov    -0x38(%rbp),%eax
add    $0x4,%eax
mov    %eax,-0x38(%rbp)
jmp    13b6 <kernel_dsymv_1_lib4+0x2b6>
jmp    15d2 <kernel_dsymv_1_lib4+0x4d2>
mov    -0x38(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    1688 <kernel_dsymv_1_lib4+0x588>
mov    -0x28(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x50(%rbp)
mov    0x10(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x58(%rbp)
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x48(%rbp),%xmm2
movsd  -0x50(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  -0x58(%rbp),%xmm2
movsd  -0x60(%rbp),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  -0x50(%rbp),%xmm0
mov    -0x30(%rbp),%rax
movsd  %xmm0,(%rax)
mov    -0x10(%rbp),%rax
add    $0x8,%rax
mov    %rax,-0x10(%rbp)
mov    -0x28(%rbp),%rax
add    $0x8,%rax
mov    %rax,-0x28(%rbp)
mov    -0x30(%rbp),%rax
add    $0x8,%rax
mov    %rax,-0x30(%rbp)
mov    0x10(%rbp),%rax
add    $0x8,%rax
mov    %rax,0x10(%rbp)
mov    -0x38(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x38(%rbp)
jmp    15d2 <kernel_dsymv_1_lib4+0x4d2>
jmp    168d <kernel_dsymv_1_lib4+0x58d>
cmpl   $0x1,0x30(%rbp)
jne    16b1 <kernel_dsymv_1_lib4+0x5b1>
mov    0x18(%rbp),%rax
movsd  (%rax),%xmm0
addsd  -0x60(%rbp),%xmm0
mov    0x20(%rbp),%rax
movsd  %xmm0,(%rax)
jmp    16c6 <kernel_dsymv_1_lib4+0x5c6>
mov    0x18(%rbp),%rax
movsd  (%rax),%xmm0
subsd  -0x60(%rbp),%xmm0
mov    0x20(%rbp),%rax
movsd  %xmm0,(%rax)
pop    %rbp
ret

x86 assembly (clang, -O2):
<kernel_dsymv_1_lib4>:
test   %edi,%edi
jle    1390 <kernel_dsymv_1_lib4+0x290>
mov    0x28(%rsp),%r10d
mov    0x20(%rsp),%eax
movsd  (%rcx),%xmm0
cmp    $0x1,%r10d
je     1123 <kernel_dsymv_1_lib4+0x23>
xorpd  0xedd(%rip),%xmm0
mov    0x8(%rsp),%rcx
cmp    $0x1,%eax
jne    11ef <kernel_dsymv_1_lib4+0xef>
movsd  (%rsi),%xmm1
mulsd  (%rcx),%xmm1
xorpd  %xmm2,%xmm2
addsd  %xmm1,%xmm2
cmp    $0x1,%edi
je     1370 <kernel_dsymv_1_lib4+0x270>
movsd  0x8(%rsi),%xmm1
movapd %xmm1,%xmm3
mulsd  %xmm0,%xmm3
addsd  0x8(%r8),%xmm3
mulsd  0x8(%rcx),%xmm1
addsd  %xmm1,%xmm2
movsd  %xmm3,0x8(%r9)
cmp    $0x2,%edi
je     1370 <kernel_dsymv_1_lib4+0x270>
movsd  0x10(%rsi),%xmm1
movapd %xmm1,%xmm3
mulsd  %xmm0,%xmm3
addsd  0x10(%r8),%xmm3
mulsd  0x10(%rcx),%xmm1
addsd  %xmm1,%xmm2
movsd  %xmm3,0x10(%r9)
cmp    $0x3,%edi
je     1370 <kernel_dsymv_1_lib4+0x270>
movsd  0x18(%rsi),%xmm1
movapd %xmm1,%xmm3
mulsd  %xmm0,%xmm3
addsd  0x18(%r8),%xmm3
mulsd  0x18(%rcx),%xmm1
addsd  %xmm2,%xmm1
movsd  %xmm3,0x18(%r9)
cmp    $0x4,%edi
je     12cc <kernel_dsymv_1_lib4+0x1cc>
add    $0x20,%r8
add    $0x20,%r9
add    $0x20,%rcx
lea    -0x4(,%rdx,4),%eax
cltq
lea    (%rsi,%rax,8),%rsi
add    $0x20,%rsi
mov    $0x4,%eax
jmp    11f5 <kernel_dsymv_1_lib4+0xf5>
xorpd  %xmm1,%xmm1
xor    %eax,%eax
lea    -0x3(%rdi),%r11d
cmp    %r11d,%eax
jge    12af <kernel_dsymv_1_lib4+0x1af>
shl    $0x2,%edx
movslq %edx,%rdx
shl    $0x3,%rdx
nopl   0x0(%rax)
movsd  (%rsi),%xmm2
movapd %xmm2,%xmm3
mulsd  %xmm0,%xmm3
addsd  (%r8),%xmm3
mulsd  (%rcx),%xmm2
addsd  %xmm1,%xmm2
movsd  %xmm3,(%r9)
movsd  0x8(%rsi),%xmm1
movapd %xmm1,%xmm3
mulsd  %xmm0,%xmm3
addsd  0x8(%r8),%xmm3
mulsd  0x8(%rcx),%xmm1
addsd  %xmm2,%xmm1
movsd  %xmm3,0x8(%r9)
movsd  0x10(%rsi),%xmm2
movapd %xmm2,%xmm3
mulsd  %xmm0,%xmm3
addsd  0x10(%r8),%xmm3
mulsd  0x10(%rcx),%xmm2
addsd  %xmm1,%xmm2
movsd  %xmm3,0x10(%r9)
movsd  0x18(%rsi),%xmm1
movapd %xmm1,%xmm3
mulsd  %xmm0,%xmm3
addsd  0x18(%r8),%xmm3
mulsd  0x18(%rcx),%xmm1
addsd  %xmm2,%xmm1
movsd  %xmm3,0x18(%r9)
add    $0x20,%r8
add    $0x20,%r9
add    $0x20,%rcx
add    $0x4,%eax
add    %rdx,%rsi
cmp    %r11d,%eax
jl     1210 <kernel_dsymv_1_lib4+0x110>
cmp    %edi,%eax
jge    12cc <kernel_dsymv_1_lib4+0x1cc>
mov    %edi,%edx
sub    %eax,%edx
mov    %eax,%r11d
not    %r11d
test   $0x1,%dl
jne    12d5 <kernel_dsymv_1_lib4+0x1d5>
add    %edi,%r11d
jne    130f <kernel_dsymv_1_lib4+0x20f>
jmp    1370 <kernel_dsymv_1_lib4+0x270>
movapd %xmm1,%xmm2
jmp    1370 <kernel_dsymv_1_lib4+0x270>
movsd  (%rsi),%xmm2
movapd %xmm2,%xmm3
mulsd  %xmm0,%xmm3
addsd  (%r8),%xmm3
mulsd  (%rcx),%xmm2
addsd  %xmm1,%xmm2
movsd  %xmm3,(%r9)
add    $0x8,%rsi
add    $0x8,%r8
add    $0x8,%r9
add    $0x8,%rcx
add    $0x1,%eax
movapd %xmm2,%xmm1
add    %edi,%r11d
je     1370 <kernel_dsymv_1_lib4+0x270>
sub    %eax,%edi
xor    %eax,%eax
movapd %xmm1,%xmm2
nopw   0x0(%rax,%rax,1)
movsd  (%rsi,%rax,8),%xmm1
movapd %xmm1,%xmm3
mulsd  %xmm0,%xmm3
addsd  (%r8,%rax,8),%xmm3
mulsd  (%rcx,%rax,8),%xmm1
addsd  %xmm2,%xmm1
movsd  %xmm3,(%r9,%rax,8)
movsd  0x8(%rsi,%rax,8),%xmm2
movapd %xmm2,%xmm3
mulsd  %xmm0,%xmm3
addsd  0x8(%r8,%rax,8),%xmm3
mulsd  0x8(%rcx,%rax,8),%xmm2
addsd  %xmm1,%xmm2
movsd  %xmm3,0x8(%r9,%rax,8)
add    $0x2,%rax
cmp    %eax,%edi
jne    1320 <kernel_dsymv_1_lib4+0x220>
mov    0x18(%rsp),%rax
mov    0x10(%rsp),%rcx
cmp    $0x1,%r10d
je     1388 <kernel_dsymv_1_lib4+0x288>
xorpd  0xc78(%rip),%xmm2
addsd  (%rcx),%xmm2
movsd  %xmm2,(%rax)
ret

LLVM IR (-O0):
define void @kernel_dsymv_1_lib4(i32 %0, double* %1, i32 %2, double* %3, double* %4, double* %5, double* %6, double* %7, double* %8, i32 %9, i32 %10) {
%12 = alloca i32
%13 = alloca double*
%14 = alloca i32
%15 = alloca double*
%16 = alloca double*
%17 = alloca double*
%18 = alloca double*
%19 = alloca double*
%20 = alloca double*
%21 = alloca i32
%22 = alloca i32
%23 = alloca i32
%24 = alloca i32
%25 = alloca double
%26 = alloca double
%27 = alloca double
%28 = alloca double
%29 = alloca double
store i32 %0, i32* %12
store double* %1, double** %13
store i32 %2, i32* %14
store double* %3, double** %15
store double* %4, double** %16
store double* %5, double** %17
store double* %6, double** %18
store double* %7, double** %19
store double* %8, double** %20
store i32 %9, i32* %21
store i32 %10, i32* %22
%30 = load i32, i32* %12
%31 = icmp sle i32 %30, 0
br i1 %31, label %32, label %33
32: ; preds = %11
br label %309
33: ; preds = %11
store i32 4, i32* %23
%34 = load i32, i32* %22
%35 = icmp eq i32 %34, 1
br i1 %35, label %36, label %40
36: ; preds = %33
%37 = load double*, double** %15
%38 = getelementptr inbounds double, double* %37, i64 0
%39 = load double, double* %38
store double %39, double* %26
br label %45
40: ; preds = %33
%41 = load double*, double** %15
%42 = getelementptr inbounds double, double* %41, i64 0
%43 = load double, double* %42
%44 = fneg double %43
store double %44, double* %26
br label %45
45: ; preds = %40, %36
store double 0.000000e+00, double* %29
store i32 0, i32* %24
%46 = load i32, i32* %21
%47 = icmp eq i32 %46, 1
br i1 %47, label %48, label %151
48: ; preds = %45
%49 = load double*, double** %18
%50 = getelementptr inbounds double, double* %49, i64 0
%51 = load double, double* %50
store double %51, double* %28
%52 = load double*, double** %13
%53 = getelementptr inbounds double, double* %52, i64 0
%54 = load double, double* %53
store double %54, double* %25
%55 = load double, double* %25
%56 = load double, double* %28
%57 = load double, double* %29
%58 = call double @llvm.fmuladd.f64(double %55, double %56, double %57)
store double %58, double* %29
%59 = load i32, i32* %12
%60 = icmp eq i32 %59, 1
br i1 %60, label %61, label %62
61: ; preds = %48
br label %290
62: ; preds = %48
%63 = load double*, double** %16
%64 = getelementptr inbounds double, double* %63, i64 1
%65 = load double, double* %64
store double %65, double* %27
%66 = load double*, double** %18
%67 = getelementptr inbounds double, double* %66, i64 1
%68 = load double, double* %67
store double %68, double* %28
%69 = load double*, double** %13
%70 = getelementptr inbounds double, double* %69, i64 1
%71 = load double, double* %70
store double %71, double* %25
%72 = load double, double* %25
%73 = load double, double* %26
%74 = load double, double* %27
%75 = call double @llvm.fmuladd.f64(double %72, double %73, double %74)
store double %75, double* %27
%76 = load double, double* %25
%77 = load double, double* %28
%78 = load double, double* %29
%79 = call double @llvm.fmuladd.f64(double %76, double %77, double %78)
store double %79, double* %29
%80 = load double, double* %27
%81 = load double*, double** %17
%82 = getelementptr inbounds double, double* %81, i64 1
store double %80, double* %82
%83 = load i32, i32* %12
%84 = icmp eq i32 %83, 2
br i1 %84, label %85, label %86
85: ; preds = %62
br label %290
86: ; preds = %62
%87 = load double*, double** %16
%88 = getelementptr inbounds double, double* %87, i64 2
%89 = load double, double* %88
store double %89, double* %27
%90 = load double*, double** %18
%91 = getelementptr inbounds double, double* %90, i64 2
%92 = load double, double* %91
store double %92, double* %28
%93 = load double*, double** %13
%94 = getelementptr inbounds double, double* %93, i64 2
%95 = load double, double* %94
store double %95, double* %25
%96 = load double, double* %25
%97 = load double, double* %26
%98 = load double, double* %27
%99 = call double @llvm.fmuladd.f64(double %96, double %97, double %98)
store double %99, double* %27
%100 = load double, double* %25
%101 = load double, double* %28
%102 = load double, double* %29
%103 = call double @llvm.fmuladd.f64(double %100, double %101, double %102)
store double %103, double* %29
%104 = load double, double* %27
%105 = load double*, double** %17
%106 = getelementptr inbounds double, double* %105, i64 2
store double %104, double* %106
%107 = load i32, i32* %12
%108 = icmp eq i32 %107, 3
br i1 %108, label %109, label %110
109: ; preds = %86
br label %290
110: ; preds = %86
%111 = load double*, double** %16
%112 = getelementptr inbounds double, double* %111, i64 3
%113 = load double, double* %112
store double %113, double* %27
%114 = load double*, double** %18
%115 = getelementptr inbounds double, double* %114, i64 3
%116 = load double, double* %115
store double %116, double* %28
%117 = load double*, double** %13
%118 = getelementptr inbounds double, double* %117, i64 3
%119 = load double, double* %118
store double %119, double* %25
%120 = load double, double* %25
%121 = load double, double* %26
%122 = load double, double* %27
%123 = call double @llvm.fmuladd.f64(double %120, double %121, double %122)
store double %123, double* %27
%124 = load double, double* %25
%125 = load double, double* %28
%126 = load double, double* %29
%127 = call double @llvm.fmuladd.f64(double %124, double %125, double %126)
store double %127, double* %29
%128 = load double, double* %27
%129 = load double*, double** %17
%130 = getelementptr inbounds double, double* %129, i64 3
store double %128, double* %130
%131 = load i32, i32* %12
%132 = icmp eq i32 %131, 4
br i1 %132, label %133, label %134
133: ; preds = %110
br label %290
134: ; preds = %110
%135 = load double*, double** %13
%136 = getelementptr inbounds double, double* %135, i64 4
store double* %136, double** %13
%137 = load double*, double** %16
%138 = getelementptr inbounds double, double* %137, i64 4
store double* %138, double** %16
%139 = load double*, double** %17
%140 = getelementptr inbounds double, double* %139, i64 4
store double* %140, double** %17
%141 = load double*, double** %18
%142 = getelementptr inbounds double, double* %141, i64 4
store double* %142, double** %18
%143 = load i32, i32* %24
%144 = add nsw i32 %143, 4
store i32 %144, i32* %24
%145 = load i32, i32* %14
%146 = sub nsw i32 %145, 1
%147 = mul nsw i32 %146, 4
%148 = load double*, double** %13
%149 = sext i32 %147 to i64
%150 = getelementptr inbounds double, double* %148, i64 %149
store double* %150, double** %13
br label %151
151: ; preds = %134, %45
br label %152
152: ; preds = %249, %151
%153 = load i32, i32* %24
%154 = load i32, i32* %12
%155 = sub nsw i32 %154, 3
%156 = icmp slt i32 %153, %155
br i1 %156, label %157, label %252
157: ; preds = %152
%158 = load double*, double** %16
%159 = getelementptr inbounds double, double* %158, i64 0
%160 = load double, double* %159
store double %160, double* %27
%161 = load double*, double** %18
%162 = getelementptr inbounds double, double* %161, i64 0
%163 = load double, double* %162
store double %163, double* %28
%164 = load double*, double** %13
%165 = getelementptr inbounds double, double* %164, i64 0
%166 = load double, double* %165
store double %166, double* %25
%167 = load double, double* %25
%168 = load double, double* %26
%169 = load double, double* %27
%170 = call double @llvm.fmuladd.f64(double %167, double %168, double %169)
store double %170, double* %27
%171 = load double, double* %25
%172 = load double, double* %28
%173 = load double, double* %29
%174 = call double @llvm.fmuladd.f64(double %171, double %172, double %173)
store double %174, double* %29
%175 = load double, double* %27
%176 = load double*, double** %17
%177 = getelementptr inbounds double, double* %176, i64 0
store double %175, double* %177
%178 = load double*, double** %16
%179 = getelementptr inbounds double, double* %178, i64 1
%180 = load double, double* %179
store double %180, double* %27
%181 = load double*, double** %18
%182 = getelementptr inbounds double, double* %181, i64 1
%183 = load double, double* %182
store double %183, double* %28
%184 = load double*, double** %13
%185 = getelementptr inbounds double, double* %184, i64 1
%186 = load double, double* %185
store double %186, double* %25
%187 = load double, double* %25
%188 = load double, double* %26
%189 = load double, double* %27
%190 = call double @llvm.fmuladd.f64(double %187, double %188, double %189)
store double %190, double* %27
%191 = load double, double* %25
%192 = load double, double* %28
%193 = load double, double* %29
%194 = call double @llvm.fmuladd.f64(double %191, double %192, double %193)
store double %194, double* %29
%195 = load double, double* %27
%196 = load double*, double** %17
%197 = getelementptr inbounds double, double* %196, i64 1
store double %195, double* %197
%198 = load double*, double** %16
%199 = getelementptr inbounds double, double* %198, i64 2
%200 = load double, double* %199
store double %200, double* %27
%201 = load double*, double** %18
%202 = getelementptr inbounds double, double* %201, i64 2
%203 = load double, double* %202
store double %203, double* %28
%204 = load double*, double** %13
%205 = getelementptr inbounds double, double* %204, i64 2
%206 = load double, double* %205
store double %206, double* %25
%207 = load double, double* %25
%208 = load double, double* %26
%209 = load double, double* %27
%210 = call double @llvm.fmuladd.f64(double %207, double %208, double %209)
store double %210, double* %27
%211 = load double, double* %25
%212 = load double, double* %28
%213 = load double, double* %29
%214 = call double @llvm.fmuladd.f64(double %211, double %212, double %213)
store double %214, double* %29
%215 = load double, double* %27
%216 = load double*, double** %17
%217 = getelementptr inbounds double, double* %216, i64 2
store double %215, double* %217
%218 = load double*, double** %16
%219 = getelementptr inbounds double, double* %218, i64 3
%220 = load double, double* %219
store double %220, double* %27
%221 = load double*, double** %18
%222 = getelementptr inbounds double, double* %221, i64 3
%223 = load double, double* %222
store double %223, double* %28
%224 = load double*, double** %13
%225 = getelementptr inbounds double, double* %224, i64 3
%226 = load double, double* %225
store double %226, double* %25
%227 = load double, double* %25
%228 = load double, double* %26
%229 = load double, double* %27
%230 = call double @llvm.fmuladd.f64(double %227, double %228, double %229)
store double %230, double* %27
%231 = load double, double* %25
%232 = load double, double* %28
%233 = load double, double* %29
%234 = call double @llvm.fmuladd.f64(double %231, double %232, double %233)
store double %234, double* %29
%235 = load double, double* %27
%236 = load double*, double** %17
%237 = getelementptr inbounds double, double* %236, i64 3
store double %235, double* %237
%238 = load i32, i32* %14
%239 = mul nsw i32 %238, 4
%240 = load double*, double** %13
%241 = sext i32 %239 to i64
%242 = getelementptr inbounds double, double* %240, i64 %241
store double* %242, double** %13
%243 = load double*, double** %16
%244 = getelementptr inbounds double, double* %243, i64 4
store double* %244, double** %16
%245 = load double*, double** %17
%246 = getelementptr inbounds double, double* %245, i64 4
store double* %246, double** %17
%247 = load double*, double** %18
%248 = getelementptr inbounds double, double* %247, i64 4
store double* %248, double** %18
br label %249
249: ; preds = %157
%250 = load i32, i32* %24
%251 = add nsw i32 %250, 4
store i32 %251, i32* %24
br label %152
252: ; preds = %152
br label %253
253: ; preds = %286, %252
%254 = load i32, i32* %24
%255 = load i32, i32* %12
%256 = icmp slt i32 %254, %255
br i1 %256, label %257, label %289
257: ; preds = %253
%258 = load double*, double** %16
%259 = getelementptr inbounds double, double* %258, i64 0
%260 = load double, double* %259
store double %260, double* %27
%261 = load double*, double** %18
%262 = getelementptr inbounds double, double* %261, i64 0
%263 = load double, double* %262
store double %263, double* %28
%264 = load double*, double** %13
%265 = getelementptr inbounds double, double* %264, i64 0
%266 = load double, double* %265
store double %266, double* %25
%267 = load double, double* %25
%268 = load double, double* %26
%269 = load double, double* %27
%270 = call double @llvm.fmuladd.f64(double %267, double %268, double %269)
store double %270, double* %27
%271 = load double, double* %25
%272 = load double, double* %28
%273 = load double, double* %29
%274 = call double @llvm.fmuladd.f64(double %271, double %272, double %273)
store double %274, double* %29
%275 = load double, double* %27
%276 = load double*, double** %17
%277 = getelementptr inbounds double, double* %276, i64 0
store double %275, double* %277
%278 = load double*, double** %13
%279 = getelementptr inbounds double, double* %278, i64 1
store double* %279, double** %13
%280 = load double*, double** %16
%281 = getelementptr inbounds double, double* %280, i64 1
store double* %281, double** %16
%282 = load double*, double** %17
%283 = getelementptr inbounds double, double* %282, i64 1
store double* %283, double** %17
%284 = load double*, double** %18
%285 = getelementptr inbounds double, double* %284, i64 1
store double* %285, double** %18
br label %286
286: ; preds = %257
%287 = load i32, i32* %24
%288 = add nsw i32 %287, 1
store i32 %288, i32* %24
br label %253
289: ; preds = %253
br label %290
290: ; preds = %289, %133, %109, %85, %61
%291 = load i32, i32* %22
%292 = icmp eq i32 %291, 1
br i1 %292, label %293, label %301
293: ; preds = %290
%294 = load double*, double** %19
%295 = getelementptr inbounds double, double* %294, i64 0
%296 = load double, double* %295
%297 = load double, double* %29
%298 = fadd double %296, %297
%299 = load double*, double** %20
%300 = getelementptr inbounds double, double* %299, i64 0
store double %298, double* %300
br label %309
301: ; preds = %290
%302 = load double*, double** %19
%303 = getelementptr inbounds double, double* %302, i64 0
%304 = load double, double* %303
%305 = load double, double* %29
%306 = fsub double %304, %305
%307 = load double*, double** %20
%308 = getelementptr inbounds double, double* %307, i64 0
store double %306, double* %308
br label %309
309: ; preds = %32, %301, %293
ret void
}

LLVM IR (-O2):
define void @kernel_dsymv_1_lib4(i32 %0, double* nocapture %1, i32 %2, double* nocapture %3, double* nocapture %4, double* nocapture writeonly %5, double* nocapture %6, double* nocapture %7, double* nocapture writeonly %8, i32 %9, i32 %10) {
%12 = icmp slt i32 %0, 1
br i1 %12, label %190, label %13
13: ; preds = %11
%14 = icmp eq i32 %10, 1
%15 = load double, double* %3
%16 = fneg double %15
%17 = select i1 %14, double %15, double %16
%18 = icmp eq i32 %9, 1
br i1 %18, label %19, label %66
19: ; preds = %13
%20 = load double, double* %6
%21 = load double, double* %1
%22 = tail call double @llvm.fmuladd.f64(double %21, double %20, double 0.000000e+00)
%23 = icmp eq i32 %0, 1
br i1 %23, label %184, label %24
24: ; preds = %19
%25 = getelementptr inbounds double, double* %4, i64 1
%26 = load double, double* %25
%27 = getelementptr inbounds double, double* %6, i64 1
%28 = load double, double* %27
%29 = getelementptr inbounds double, double* %1, i64 1
%30 = load double, double* %29
%31 = tail call double @llvm.fmuladd.f64(double %30, double %17, double %26)
%32 = tail call double @llvm.fmuladd.f64(double %30, double %28, double %22)
%33 = getelementptr inbounds double, double* %5, i64 1
store double %31, double* %33
%34 = icmp eq i32 %0, 2
br i1 %34, label %184, label %35
35: ; preds = %24
%36 = getelementptr inbounds double, double* %4, i64 2
%37 = load double, double* %36
%38 = getelementptr inbounds double, double* %6, i64 2
%39 = load double, double* %38
%40 = getelementptr inbounds double, double* %1, i64 2
%41 = load double, double* %40
%42 = tail call double @llvm.fmuladd.f64(double %41, double %17, double %37)
%43 = tail call double @llvm.fmuladd.f64(double %41, double %39, double %32)
%44 = getelementptr inbounds double, double* %5, i64 2
store double %42, double* %44
%45 = icmp eq i32 %0, 3
br i1 %45, label %184, label %46
46: ; preds = %35
%47 = getelementptr inbounds double, double* %4, i64 3
%48 = load double, double* %47
%49 = getelementptr inbounds double, double* %6, i64 3
%50 = load double, double* %49
%51 = getelementptr inbounds double, double* %1, i64 3
%52 = load double, double* %51
%53 = tail call double @llvm.fmuladd.f64(double %52, double %17, double %48)
%54 = tail call double @llvm.fmuladd.f64(double %52, double %50, double %43)
%55 = getelementptr inbounds double, double* %5, i64 3
store double %53, double* %55
%56 = icmp eq i32 %0, 4
br i1 %56, label %184, label %57
57: ; preds = %46
%58 = getelementptr inbounds double, double* %1, i64 4
%59 = getelementptr inbounds double, double* %4, i64 4
%60 = getelementptr inbounds double, double* %5, i64 4
%61 = getelementptr inbounds double, double* %6, i64 4
%62 = shl i32 %2, 2
%63 = add i32 %62, -4
%64 = sext i32 %63 to i64
%65 = getelementptr inbounds double, double* %58, i64 %64
br label %66
66: ; preds = %57, %13
%67 = phi double* [ %61, %57 ], [ %6, %13 ]
%68 = phi double* [ %60, %57 ], [ %5, %13 ]
%69 = phi double* [ %59, %57 ], [ %4, %13 ]
%70 = phi double* [ %65, %57 ], [ %1, %13 ]
%71 = phi i32 [ 4, %57 ], [ 0, %13 ]
%72 = phi double [ %54, %57 ], [ 0.000000e+00, %13 ]
%73 = add nsw i32 %0, -3
%74 = icmp slt i32 %71, %73
br i1 %74, label %75, label %78
75: ; preds = %66
%76 = shl nsw i32 %2, 2
%77 = sext i32 %76 to i64
br label %112
78: ; preds = %112, %66
%79 = phi double* [ %67, %66 ], [ %154, %112 ]
%80 = phi double* [ %68, %66 ], [ %153, %112 ]
%81 = phi double* [ %69, %66 ], [ %152, %112 ]
%82 = phi double* [ %70, %66 ], [ %151, %112 ]
%83 = phi i32 [ %71, %66 ], [ %155, %112 ]
%84 = phi double [ %72, %66 ], [ %149, %112 ]
%85 = icmp slt i32 %83, %0
br i1 %85, label %86, label %184
86: ; preds = %78
%87 = sub i32 %0, %83
%88 = xor i32 %83, -1
%89 = and i32 %87, 1
%90 = icmp eq i32 %89, 0
br i1 %90, label %102, label %91
91: ; preds = %86
%92 = load double, double* %81
%93 = load double, double* %79
%94 = load double, double* %82
%95 = tail call double @llvm.fmuladd.f64(double %94, double %17, double %92)
%96 = tail call double @llvm.fmuladd.f64(double %94, double %93, double %84)
store double %95, double* %80
%97 = getelementptr inbounds double, double* %82, i64 1
%98 = getelementptr inbounds double, double* %81, i64 1
%99 = getelementptr inbounds double, double* %80, i64 1
%100 = getelementptr inbounds double, double* %79, i64 1
%101 = add nuw nsw i32 %83, 1
br label %102
102: ; preds = %91, %86
%103 = phi double [ undef, %86 ], [ %96, %91 ]
%104 = phi double [ %84, %86 ], [ %96, %91 ]
%105 = phi i32 [ %83, %86 ], [ %101, %91 ]
%106 = phi double* [ %82, %86 ], [ %97, %91 ]
%107 = phi double* [ %81, %86 ], [ %98, %91 ]
%108 = phi double* [ %80, %86 ], [ %99, %91 ]
%109 = phi double* [ %79, %86 ], [ %100, %91 ]
%110 = sub i32 0, %0
%111 = icmp eq i32 %88, %110
br i1 %111, label %184, label %157
112: ; preds = %75, %112
%113 = phi double [ %72, %75 ], [ %149, %112 ]
%114 = phi i32 [ %71, %75 ], [ %155, %112 ]
%115 = phi double* [ %70, %75 ], [ %151, %112 ]
%116 = phi double* [ %69, %75 ], [ %152, %112 ]
%117 = phi double* [ %68, %75 ], [ %153, %112 ]
%118 = phi double* [ %67, %75 ], [ %154, %112 ]
%119 = load double, double* %116
%120 = load double, double* %118
%121 = load double, double* %115
%122 = tail call double @llvm.fmuladd.f64(double %121, double %17, double %119)
%123 = tail call double @llvm.fmuladd.f64(double %121, double %120, double %113)
store double %122, double* %117
%124 = getelementptr inbounds double, double* %116, i64 1
%125 = load double, double* %124
%126 = getelementptr inbounds double, double* %118, i64 1
%127 = load double, double* %126
%128 = getelementptr inbounds double, double* %115, i64 1
%129 = load double, double* %128
%130 = tail call double @llvm.fmuladd.f64(double %129, double %17, double %125)
%131 = tail call double @llvm.fmuladd.f64(double %129, double %127, double %123)
%132 = getelementptr inbounds double, double* %117, i64 1
store double %130, double* %132
%133 = getelementptr inbounds double, double* %116, i64 2
%134 = load double, double* %133
%135 = getelementptr inbounds double, double* %118, i64 2
%136 = load double, double* %135
%137 = getelementptr inbounds double, double* %115, i64 2
%138 = load double, double* %137
%139 = tail call double @llvm.fmuladd.f64(double %138, double %17, double %134)
%140 = tail call double @llvm.fmuladd.f64(double %138, double %136, double %131)
%141 = getelementptr inbounds double, double* %117, i64 2
store double %139, double* %141
%142 = getelementptr inbounds double, double* %116, i64 3
%143 = load double, double* %142
%144 = getelementptr inbounds double, double* %118, i64 3
%145 = load double, double* %144
%146 = getelementptr inbounds double, double* %115, i64 3
%147 = load double, double* %146
%148 = tail call double @llvm.fmuladd.f64(double %147, double %17, double %143)
%149 = tail call double @llvm.fmuladd.f64(double %147, double %145, double %140)
%150 = getelementptr inbounds double, double* %117, i64 3
store double %148, double* %150
%151 = getelementptr inbounds double, double* %115, i64 %77
%152 = getelementptr inbounds double, double* %116, i64 4
%153 = getelementptr inbounds double, double* %117, i64 4
%154 = getelementptr inbounds double, double* %118, i64 4
%155 = add nuw nsw i32 %114, 4
%156 = icmp slt i32 %155, %73
br i1 %156, label %112, label %78
157: ; preds = %102, %157
%158 = phi double [ %177, %157 ], [ %104, %102 ]
%159 = phi i32 [ %182, %157 ], [ %105, %102 ]
%160 = phi double* [ %178, %157 ], [ %106, %102 ]
%161 = phi double* [ %179, %157 ], [ %107, %102 ]
%162 = phi double* [ %180, %157 ], [ %108, %102 ]
%163 = phi double* [ %181, %157 ], [ %109, %102 ]
%164 = load double, double* %161
%165 = load double, double* %163
%166 = load double, double* %160
%167 = tail call double @llvm.fmuladd.f64(double %166, double %17, double %164)
%168 = tail call double @llvm.fmuladd.f64(double %166, double %165, double %158)
store double %167, double* %162
%169 = getelementptr inbounds double, double* %160, i64 1
%170 = getelementptr inbounds double, double* %161, i64 1
%171 = getelementptr inbounds double, double* %162, i64 1
%172 = getelementptr inbounds double, double* %163, i64 1
%173 = load double, double* %170
%174 = load double, double* %172
%175 = load double, double* %169
%176 = tail call double @llvm.fmuladd.f64(double %175, double %17, double %173)
%177 = tail call double @llvm.fmuladd.f64(double %175, double %174, double %168)
store double %176, double* %171
%178 = getelementptr inbounds double, double* %160, i64 2
%179 = getelementptr inbounds double, double* %161, i64 2
%180 = getelementptr inbounds double, double* %162, i64 2
%181 = getelementptr inbounds double, double* %163, i64 2
%182 = add nuw nsw i32 %159, 2
%183 = icmp eq i32 %182, %0
br i1 %183, label %184, label %157
184: ; preds = %102, %157, %78, %46, %35, %24, %19
%185 = phi double [ %22, %19 ], [ %32, %24 ], [ %43, %35 ], [ %54, %46 ], [ %84, %78 ], [ %103, %102 ], [ %177, %157 ]
%186 = load double, double* %7
%187 = fneg double %185
%188 = select i1 %14, double %185, double %187
%189 = fadd double %186, %188
store double %189, double* %8
br label %190
190: ; preds = %11, %184
ret void
}