#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 */
typedef struct TYPE_4__ TYPE_2__;
typedef struct TYPE_3__ TYPE_1__;

/* Type definitions */
struct TYPE_4__ {
  scalar_t__ tv_usec;
  scalar_t__ tv_sec;
};
struct TYPE_3__ {
  scalar_t__ tv_usec;
  scalar_t__ tv_sec;
};
struct rusage {
  TYPE_2__ ru_stime;
  TYPE_1__ ru_utime;
};

/* Variables and functions */
int /*<<< orphan*/ RUSAGE_SELF;
int /*<<< orphan*/ getrusage(int /*<<< orphan*/, struct rusage *);
double cpu_so_far() {
  struct rusage rusage;
  getrusage(RUSAGE_SELF, &rusage);
  return ((double)rusage.ru_utime.tv_sec) +
         (((double)rusage.ru_utime.tv_usec) / 1000000.0) +
         ((double)rusage.ru_stime.tv_sec) +
         (((double)rusage.ru_stime.tv_usec) / 1000000.0);
}


x86 assembly (clang, -O0):
<cpu_so_far>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    0x2ec1(%rip),%rax
mov    (%rax),%edi
lea    -0x20(%rbp),%rsi
call   1030 <getrusage@plt>
cvtsi2sdq -0x8(%rbp),%xmm0
cvtsi2sdq -0x10(%rbp),%xmm1
movsd  0xec2(%rip),%xmm2
divsd  %xmm2,%xmm1
addsd  %xmm1,%xmm0
cvtsi2sdq -0x18(%rbp),%xmm1
addsd  %xmm1,%xmm0
cvtsi2sdq -0x20(%rbp),%xmm1
movsd  0xea2(%rip),%xmm2
divsd  %xmm2,%xmm1
addsd  %xmm1,%xmm0
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<cpu_so_far>:
sub    $0x28,%rsp
mov    0x2ec5(%rip),%rax
mov    (%rax),%edi
lea    0x8(%rsp),%rsi
call   1030 <getrusage@plt>
cvtsi2sdq 0x20(%rsp),%xmm0
cvtsi2sdq 0x18(%rsp),%xmm1
movsd  0xec3(%rip),%xmm2
divsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
cvtsi2sdq 0x10(%rsp),%xmm3
addsd  %xmm1,%xmm3
xorps  %xmm0,%xmm0
cvtsi2sdq 0x8(%rsp),%xmm0
divsd  %xmm2,%xmm0
addsd  %xmm3,%xmm0
add    $0x28,%rsp
ret

LLVM IR (-O0):
%struct.rusage = type { %struct.TYPE_4__, %struct.TYPE_3__ }
%struct.TYPE_4__ = type { i64, i64 }
%struct.TYPE_3__ = type { i64, i64 }
@RUSAGE_SELF = global i32 0
define double @cpu_so_far() {
%1 = alloca %struct.rusage
%2 = load i32, i32* @RUSAGE_SELF
%3 = call i32 @getrusage(i32 %2, %struct.rusage* %1)
%4 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i32 0, i32 1
%5 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %4, i32 0, i32 1
%6 = load i64, i64* %5
%7 = sitofp i64 %6 to double
%8 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i32 0, i32 1
%9 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %8, i32 0, i32 0
%10 = load i64, i64* %9
%11 = sitofp i64 %10 to double
%12 = fdiv double %11, 1.000000e+06
%13 = fadd double %7, %12
%14 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i32 0, i32 0
%15 = getelementptr inbounds %struct.TYPE_4__, %struct.TYPE_4__* %14, i32 0, i32 1
%16 = load i64, i64* %15
%17 = sitofp i64 %16 to double
%18 = fadd double %13, %17
%19 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i32 0, i32 0
%20 = getelementptr inbounds %struct.TYPE_4__, %struct.TYPE_4__* %19, i32 0, i32 0
%21 = load i64, i64* %20
%22 = sitofp i64 %21 to double
%23 = fdiv double %22, 1.000000e+06
%24 = fadd double %18, %23
ret double %24
}

LLVM IR (-O2):
%struct.rusage = type { %struct.TYPE_4__, %struct.TYPE_3__ }
%struct.TYPE_4__ = type { i64, i64 }
%struct.TYPE_3__ = type { i64, i64 }
@RUSAGE_SELF = global i32 0
define double @cpu_so_far() {
%1 = alloca %struct.rusage
%2 = bitcast %struct.rusage* %1 to i8*
%3 = load i32, i32* @RUSAGE_SELF
%4 = call i32 @getrusage(i32 %3, %struct.rusage* %1)
%5 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i64 0, i32 1, i32 1
%6 = load i64, i64* %5
%7 = sitofp i64 %6 to double
%8 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i64 0, i32 1, i32 0
%9 = load i64, i64* %8
%10 = sitofp i64 %9 to double
%11 = fdiv double %10, 1.000000e+06
%12 = fadd double %11, %7
%13 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i64 0, i32 0, i32 1
%14 = load i64, i64* %13
%15 = sitofp i64 %14 to double
%16 = fadd double %12, %15
%17 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i64 0, i32 0, i32 0
%18 = load i64, i64* %17
%19 = sitofp i64 %18 to double
%20 = fdiv double %19, 1.000000e+06
%21 = fadd double %16, %20
ret double %21
}