#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 *);
long pt_cputime_usec() {
  struct rusage usage;
  getrusage(RUSAGE_SELF, &usage);
  return (long)usage.ru_utime.tv_sec * 1000000l + (long)usage.ru_utime.tv_usec +
         (long)usage.ru_stime.tv_sec * 1000000l + (long)usage.ru_stime.tv_usec;
}


x86 assembly (clang, -O0):
<pt_cputime_usec>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    0x2ec1(%rip),%rax
mov    (%rax),%edi
lea    -0x20(%rbp),%rsi
call   1030 <getrusage@plt>
imul   $0xf4240,-0x8(%rbp),%rax
add    -0x10(%rbp),%rax
imul   $0xf4240,-0x18(%rbp),%rcx
add    %rcx,%rax
add    -0x20(%rbp),%rax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<pt_cputime_usec>:
sub    $0x28,%rsp
mov    0x2ec5(%rip),%rax
mov    (%rax),%edi
lea    0x8(%rsp),%rsi
call   1030 <getrusage@plt>
mov    0x8(%rsp),%rax
mov    0x10(%rsp),%rcx
add    0x20(%rsp),%rcx
imul   $0xf4240,%rcx,%rcx
add    0x18(%rsp),%rax
add    %rcx,%rax
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 i64 @pt_cputime_usec() {
%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 = mul nsw i64 %6, 1000000
%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 = add nsw i64 %7, %10
%12 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i32 0, i32 0
%13 = getelementptr inbounds %struct.TYPE_4__, %struct.TYPE_4__* %12, i32 0, i32 1
%14 = load i64, i64* %13
%15 = mul nsw i64 %14, 1000000
%16 = add nsw i64 %11, %15
%17 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i32 0, i32 0
%18 = getelementptr inbounds %struct.TYPE_4__, %struct.TYPE_4__* %17, i32 0, i32 0
%19 = load i64, i64* %18
%20 = add nsw i64 %16, %19
ret i64 %20
}

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 i64 @pt_cputime_usec() {
%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 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i64 0, i32 1, i32 0
%8 = load i64, i64* %7
%9 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i64 0, i32 0, i32 1
%10 = load i64, i64* %9
%11 = getelementptr inbounds %struct.rusage, %struct.rusage* %1, i64 0, i32 0, i32 0
%12 = load i64, i64* %11
%13 = add i64 %10, %6
%14 = mul i64 %13, 1000000
%15 = add i64 %12, %8
%16 = add i64 %15, %14
ret i64 %16
}