#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 display_usage() {
  printf("\n######### Command options ########\n");
  printf("# -n: number of inputs\n");
  printf("# -c: input file name\n");
  printf("# -o: output file name\n");
  printf("# -v: verbosity\n");
  printf("# -h: Help\n");
}


x86 assembly (clang, -O0):
<display_usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xefe(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0a(%rip),%rdi
call   1030 <printf@plt>
lea    0xf15(%rip),%rdi
call   1030 <printf@plt>
lea    0xf21(%rip),%rdi
call   1030 <printf@plt>
lea    0xf26(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<display_usage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xf00(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0b(%rip),%rdi
call   1030 <puts@plt>
lea    0xf15(%rip),%rdi
call   1030 <puts@plt>
lea    0xf20(%rip),%rdi
call   1030 <puts@plt>
lea    0xf24(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [37 x i8] c"\0A######### Command options ########\0A\00"
@.str.1 = [24 x i8] c"# -n: number of inputs\0A\00"
@.str.2 = [23 x i8] c"# -c: input file name\0A\00"
@.str.3 = [24 x i8] c"# -o: output file name\0A\00"
@.str.4 = [17 x i8] c"# -v: verbosity\0A\00"
@.str.5 = [12 x i8] c"# -h: Help\0A\00"
define void @display_usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [36 x i8] c"\0A######### Command options ########\00"
@str.6 = [23 x i8] c"# -n: number of inputs\00"
@str.7 = [22 x i8] c"# -c: input file name\00"
@str.8 = [23 x i8] c"# -o: output file name\00"
@str.9 = [16 x i8] c"# -v: verbosity\00"
@str.10 = [11 x i8] c"# -h: Help\00"
define void @display_usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.10, i64 0, i64 0))
ret void
}