#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*/ exit(int);
int /*<<< orphan*/ printf(char *);
int usage() {
  printf("CXBups is a program to calculate the remaining Cosmic X-ray "
         "Background\n");
  printf(
      "flux after the exclusion of point sources up to a certain limit.\n\n");
  printf("  Usage:\n");
  printf("    ./cxbups <flux limit> <area>\n\n");
  printf("  Example:\n");
  printf("    ./cxbups 3.E-15 0.0549\n\n");
  exit(3);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf11(%rip),%rdi
call   1030 <printf@plt>
lea    0xf48(%rip),%rdi
call   1030 <printf@plt>
lea    0xf46(%rip),%rdi
call   1030 <printf@plt>
lea    0xf5d(%rip),%rdi
call   1030 <printf@plt>
lea    0xf5d(%rip),%rdi
call   1030 <printf@plt>
mov    $0x3,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
lea    0xf13(%rip),%rdi
call   1030 <puts@plt>
lea    0xf49(%rip),%rdi
call   1030 <puts@plt>
lea    0xf46(%rip),%rdi
call   1030 <puts@plt>
lea    0xf5c(%rip),%rdi
call   1030 <puts@plt>
lea    0xf5b(%rip),%rdi
call   1030 <puts@plt>
mov    $0x3,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@.str = [72 x i8] c"CXBups is a program to calculate the remaining Cosmic X-ray Background\0A\00"
@.str.1 = [67 x i8] c"flux after the exclusion of point sources up to a certain limit.\0A\0A\00"
@.str.2 = [10 x i8] c" Usage:\0A\00"
@.str.3 = [35 x i8] c" ./cxbups <flux limit> <area>\0A\0A\00"
@.str.4 = [12 x i8] c" Example:\0A\00"
@.str.5 = [29 x i8] c" ./cxbups 3.E-15 0.0549\0A\0A\00"
define i32 @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([72 x i8], [72 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([67 x i8], [67 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @exit(i32 3)
unreachable
}

LLVM IR (-O2):
@str = [71 x i8] c"CXBups is a program to calculate the remaining Cosmic X-ray Background\00"
@str.6 = [66 x i8] c"flux after the exclusion of point sources up to a certain limit.\0A\00"
@str.7 = [9 x i8] c" Usage:\00"
@str.8 = [34 x i8] c" ./cxbups <flux limit> <area>\0A\00"
@str.9 = [11 x i8] c" Example:\00"
@str.10 = [28 x i8] c" ./cxbups 3.E-15 0.0549\0A\00"
define i32 @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([71 x i8], [71 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([66 x i8], [66 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.10, i64 0, i64 0))
%7 = tail call i32 @exit(i32 3)
unreachable
}