#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 */
int /*<<< orphan*/ printf(char *);
void usage(void) {
  printf("usage: timelimit <time> <command>\n");
  printf("   SIGUSR1 - passes SIGTERM to command's process group\n");
  printf("   SIGALRM - passes SIGTERM to command's process group\n");
  printf("             after 5s SIGKILL will be passed and exit(1)\n");
  printf("   SIGTERM - passes SIGTERM to command's process group\n");
  printf("             after 1s SIGKILL will be passed and exit(1)\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xefc(%rip),%rdi
call   1030 <printf@plt>
lea    0xf28(%rip),%rdi
call   1030 <printf@plt>
lea    0xf54(%rip),%rdi
call   1030 <printf@plt>
lea    0xf82(%rip),%rdi
call   1030 <printf@plt>
lea    0xfae(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xefe(%rip),%rdi
call   1030 <puts@plt>
lea    0xf29(%rip),%rdi
call   1030 <puts@plt>
lea    0xf54(%rip),%rdi
call   1030 <puts@plt>
lea    0xf81(%rip),%rdi
call   1030 <puts@plt>
lea    0xfac(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [35 x i8] c"usage: timelimit <time> <command>\0A\00"
@.str.1 = [56 x i8] c" SIGUSR1 - passes SIGTERM to command's process group\0A\00"
@.str.2 = [56 x i8] c" SIGALRM - passes SIGTERM to command's process group\0A\00"
@.str.3 = [58 x i8] c" after 5s SIGKILL will be passed and exit(1)\0A\00"
@.str.4 = [56 x i8] c" SIGTERM - passes SIGTERM to command's process group\0A\00"
@.str.5 = [58 x i8] c" after 1s SIGKILL will be passed and exit(1)\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [34 x i8] c"usage: timelimit <time> <command>\00"
@str.6 = [55 x i8] c" SIGUSR1 - passes SIGTERM to command's process group\00"
@str.7 = [55 x i8] c" SIGALRM - passes SIGTERM to command's process group\00"
@str.8 = [57 x i8] c" after 5s SIGKILL will be passed and exit(1)\00"
@str.9 = [55 x i8] c" SIGTERM - passes SIGTERM to command's process group\00"
@str.10 = [57 x i8] c" after 1s SIGKILL will be passed and exit(1)\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([57 x i8], [57 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([57 x i8], [57 x i8]* @str.10, i64 0, i64 0))
ret void
}