#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 */
double F_normale_centree_reduite(double);
double pow(double, double);
double sqrt(double);
double F_fisher_snedecor(double v1, double v2, double f) {
  double u;
  u = (pow(f, 1.0 / 3.0) * (1.0 - 2.0 / (9.0 * v2)) + 2.0 / (9.0 * v1) - 1.0) /
      sqrt(2.0 / (9.0 * v1) + pow(f, 2.0 / 3.0) * 2.0 / (9.0 * v2));
  return F_normale_centree_reduite(u);
}


x86 assembly (clang, -O0):
<F_fisher_snedecor>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movsd  %xmm0,-0x8(%rbp)
movsd  %xmm1,-0x10(%rbp)
movsd  %xmm2,-0x18(%rbp)
movsd  -0x18(%rbp),%xmm0
movsd  0xecc(%rip),%xmm1
call   1030 <pow@plt>
movsd  0xe9f(%rip),%xmm2
mulsd  -0x10(%rbp),%xmm2
movsd  0xe9a(%rip),%xmm1
divsd  %xmm2,%xmm1
movsd  0xe9e(%rip),%xmm2
subsd  %xmm1,%xmm2
movsd  0xe7a(%rip),%xmm3
mulsd  -0x8(%rbp),%xmm3
movsd  0xe75(%rip),%xmm1
divsd  %xmm3,%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  0xe71(%rip),%xmm1
subsd  %xmm1,%xmm0
movsd  %xmm0,-0x28(%rbp)
movsd  0xe48(%rip),%xmm1
mulsd  -0x8(%rbp),%xmm1
movsd  0xe43(%rip),%xmm0
divsd  %xmm1,%xmm0
movsd  %xmm0,-0x30(%rbp)
movsd  -0x18(%rbp),%xmm0
movsd  0xe35(%rip),%xmm1
call   1030 <pow@plt>
movaps %xmm0,%xmm1
movsd  -0x30(%rbp),%xmm0
movsd  0xe18(%rip),%xmm2
mulsd  %xmm2,%xmm1
movsd  0xe04(%rip),%xmm2
mulsd  -0x10(%rbp),%xmm2
divsd  %xmm2,%xmm1
addsd  %xmm1,%xmm0
call   1040 <sqrt@plt>
movaps %xmm0,%xmm1
movsd  -0x28(%rbp),%xmm0
divsd  %xmm1,%xmm0
movsd  %xmm0,-0x20(%rbp)
movsd  -0x20(%rbp),%xmm0
call   1050 <F_normale_centree_reduite@plt>
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<F_fisher_snedecor>:
sub    $0x38,%rsp
movsd  %xmm2,0x28(%rsp)
movaps %xmm1,(%rsp)
movaps %xmm0,0x10(%rsp)
movsd  0xeb5(%rip),%xmm1
movaps %xmm2,%xmm0
call   1030 <pow@plt>
movsd  %xmm0,0x30(%rsp)
movapd 0x10(%rsp),%xmm0
unpcklpd (%rsp),%xmm0
mulpd  0xec4(%rip),%xmm0
movapd %xmm0,0x10(%rsp)
unpckhpd %xmm0,%xmm0
movsd  0xe8a(%rip),%xmm1
divsd  %xmm0,%xmm1
movsd  0xe86(%rip),%xmm0
subsd  %xmm1,%xmm0
movsd  %xmm0,(%rsp)
movsd  0xe7d(%rip),%xmm1
movsd  0x28(%rsp),%xmm0
call   1030 <pow@plt>
addsd  %xmm0,%xmm0
movapd 0xe8e(%rip),%xmm1
unpcklpd %xmm0,%xmm1
divpd  0x10(%rsp),%xmm1
movsd  (%rsp),%xmm0
mulsd  0x30(%rsp),%xmm0
addsd  %xmm1,%xmm0
addsd  0xe4d(%rip),%xmm0
movsd  %xmm0,(%rsp)
movapd %xmm1,%xmm0
unpckhpd %xmm1,%xmm0
addsd  %xmm1,%xmm0
xorpd  %xmm1,%xmm1
ucomisd %xmm1,%xmm0
jb     11f4 <F_fisher_snedecor+0xc4>
sqrtsd %xmm0,%xmm0
jmp    11f9 <F_fisher_snedecor+0xc9>
call   1040 <sqrt@plt>
movsd  (%rsp),%xmm1
divsd  %xmm0,%xmm1
movapd %xmm1,%xmm0
add    $0x38,%rsp
jmp    1050 <F_normale_centree_reduite@plt>

LLVM IR (-O0):
define double @F_fisher_snedecor(double %0, double %1, double %2) {
%4 = alloca double
%5 = alloca double
%6 = alloca double
%7 = alloca double
store double %0, double* %4
store double %1, double* %5
store double %2, double* %6
%8 = load double, double* %6
%9 = call double @pow(double %8, double 0x3FD5555555555555)
%10 = load double, double* %5
%11 = fmul double 9.000000e+00, %10
%12 = fdiv double 2.000000e+00, %11
%13 = fsub double 1.000000e+00, %12
%14 = load double, double* %4
%15 = fmul double 9.000000e+00, %14
%16 = fdiv double 2.000000e+00, %15
%17 = call double @llvm.fmuladd.f64(double %9, double %13, double %16)
%18 = fsub double %17, 1.000000e+00
%19 = load double, double* %4
%20 = fmul double 9.000000e+00, %19
%21 = fdiv double 2.000000e+00, %20
%22 = load double, double* %6
%23 = call double @pow(double %22, double 0x3FE5555555555555)
%24 = fmul double %23, 2.000000e+00
%25 = load double, double* %5
%26 = fmul double 9.000000e+00, %25
%27 = fdiv double %24, %26
%28 = fadd double %21, %27
%29 = call double @sqrt(double %28)
%30 = fdiv double %18, %29
store double %30, double* %7
%31 = load double, double* %7
%32 = call double @F_normale_centree_reduite(double %31)
ret double %32
}

LLVM IR (-O2):
define double @F_fisher_snedecor(double %0, double %1, double %2) {
%4 = tail call double @pow(double %2, double 0x3FD5555555555555)
%5 = insertelement <2 x double> poison, double %0, i64 0
%6 = insertelement <2 x double> %5, double %1, i64 1
%7 = fmul <2 x double> %6, <double 9.000000e+00, double 9.000000e+00>
%8 = extractelement <2 x double> %7, i64 1
%9 = fdiv double 2.000000e+00, %8
%10 = fsub double 1.000000e+00, %9
%11 = tail call double @pow(double %2, double 0x3FE5555555555555)
%12 = fmul double %11, 2.000000e+00
%13 = insertelement <2 x double> <double 2.000000e+00, double poison>, double %12, i64 1
%14 = fdiv <2 x double> %13, %7
%15 = extractelement <2 x double> %14, i64 0
%16 = tail call double @llvm.fmuladd.f64(double %4, double %10, double %15)
%17 = fadd double %16, -1.000000e+00
%18 = shufflevector <2 x double> %14, <2 x double> poison, <2 x i32> <i32 1, i32 undef>
%19 = fadd <2 x double> %14, %18
%20 = extractelement <2 x double> %19, i64 0
%21 = tail call double @sqrt(double %20)
%22 = fdiv double %17, %21
%23 = tail call double @F_normale_centree_reduite(double %22)
ret double %23
}