#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 pow(double, double);
double dist(double x1, double y1, double z1, double x2, double y2, double z2) {
  double distance;
  distance = pow((((x1 - x2) * (x1 - x2)) + ((y1 - y2) * (y1 - y2)) +
                  ((z1 - z2) * (z1 - z2))),
                 0.5);
  return distance;
}


x86 assembly (clang, -O0):
<dist>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movsd  %xmm0,-0x8(%rbp)
movsd  %xmm1,-0x10(%rbp)
movsd  %xmm2,-0x18(%rbp)
movsd  %xmm3,-0x20(%rbp)
movsd  %xmm4,-0x28(%rbp)
movsd  %xmm5,-0x30(%rbp)
movsd  -0x8(%rbp),%xmm1
subsd  -0x20(%rbp),%xmm1
movsd  -0x8(%rbp),%xmm2
subsd  -0x20(%rbp),%xmm2
movsd  -0x10(%rbp),%xmm0
subsd  -0x28(%rbp),%xmm0
movsd  -0x10(%rbp),%xmm3
subsd  -0x28(%rbp),%xmm3
mulsd  %xmm3,%xmm0
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
movsd  -0x18(%rbp),%xmm0
subsd  -0x30(%rbp),%xmm0
movsd  -0x18(%rbp),%xmm2
subsd  -0x30(%rbp),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  0xe72(%rip),%xmm1
call   1030 <pow@plt>
movsd  %xmm0,-0x38(%rbp)
movsd  -0x38(%rbp),%xmm0
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<dist>:
subsd  %xmm3,%xmm0
subsd  %xmm4,%xmm1
mulsd  %xmm1,%xmm1
mulsd  %xmm0,%xmm0
addsd  %xmm1,%xmm0
subsd  %xmm5,%xmm2
mulsd  %xmm2,%xmm2
addsd  %xmm2,%xmm0
movsd  0xec8(%rip),%xmm1
jmp    1030 <pow@plt>

LLVM IR (-O0):
define double @dist(double %0, double %1, double %2, double %3, double %4, double %5) {
%7 = alloca double
%8 = alloca double
%9 = alloca double
%10 = alloca double
%11 = alloca double
%12 = alloca double
%13 = alloca double
store double %0, double* %7
store double %1, double* %8
store double %2, double* %9
store double %3, double* %10
store double %4, double* %11
store double %5, double* %12
%14 = load double, double* %7
%15 = load double, double* %10
%16 = fsub double %14, %15
%17 = load double, double* %7
%18 = load double, double* %10
%19 = fsub double %17, %18
%20 = load double, double* %8
%21 = load double, double* %11
%22 = fsub double %20, %21
%23 = load double, double* %8
%24 = load double, double* %11
%25 = fsub double %23, %24
%26 = fmul double %22, %25
%27 = call double @llvm.fmuladd.f64(double %16, double %19, double %26)
%28 = load double, double* %9
%29 = load double, double* %12
%30 = fsub double %28, %29
%31 = load double, double* %9
%32 = load double, double* %12
%33 = fsub double %31, %32
%34 = call double @llvm.fmuladd.f64(double %30, double %33, double %27)
%35 = call double @pow(double %34, double 5.000000e-01)
store double %35, double* %13
%36 = load double, double* %13
ret double %36
}

LLVM IR (-O2):
define double @dist(double %0, double %1, double %2, double %3, double %4, double %5) {
%7 = fsub double %0, %3
%8 = fsub double %1, %4
%9 = fmul double %8, %8
%10 = tail call double @llvm.fmuladd.f64(double %7, double %7, double %9)
%11 = fsub double %2, %5
%12 = tail call double @llvm.fmuladd.f64(double %11, double %11, double %10)
%13 = tail call double @pow(double %12, double 5.000000e-01)
ret double %13
}