#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() {
  printf("./myshc [-c config] [-h]\n");
  printf("--simple program scheduler\n\n");
  printf("  -c config    load configuration file.\n");
  printf("  -e           don't run as daemon process.\n");
  printf("  -t           test configuration file.\n");
  printf("  -h           show this help message.\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xef3(%rip),%rdi
call   1030 <printf@plt>
lea    0xf04(%rip),%rdi
call   1030 <printf@plt>
lea    0xf21(%rip),%rdi
call   1030 <printf@plt>
lea    0xf42(%rip),%rdi
call   1030 <printf@plt>
lea    0xf5f(%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    0xef5(%rip),%rdi
call   1030 <puts@plt>
lea    0xf05(%rip),%rdi
call   1030 <puts@plt>
lea    0xf21(%rip),%rdi
call   1030 <puts@plt>
lea    0xf41(%rip),%rdi
call   1030 <puts@plt>
lea    0xf5d(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [26 x i8] c"./myshc [-c config] [-h]\0A\00"
@.str.1 = [29 x i8] c"--simple program scheduler\0A\0A\00"
@.str.2 = [41 x i8] c" -c config load configuration file.\0A\00"
@.str.3 = [45 x i8] c" -e don't run as daemon process.\0A\00"
@.str.4 = [41 x i8] c" -t test configuration file.\0A\00"
@.str.5 = [40 x i8] c" -h show this help message.\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [25 x i8] c"./myshc [-c config] [-h]\00"
@str.6 = [28 x i8] c"--simple program scheduler\0A\00"
@str.7 = [40 x i8] c" -c config load configuration file.\00"
@str.8 = [44 x i8] c" -e don't run as daemon process.\00"
@str.9 = [40 x i8] c" -t test configuration file.\00"
@str.10 = [39 x i8] c" -h show this help message.\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @str.10, i64 0, i64 0))
ret void
}