#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 :\n");
  printf("-h | --help  : Display this usage message.\n");
  printf("-d | --dump  : Dump all registers.\n");
  printf("-p | --pll   : Display PLL.\n");
  printf("-m | --mode  : Display modes.\n");
  printf("-r | --read  : Read register. Example : $0 -r 3d5.17\n");
  printf("-w | --write : Write register. Example : $0 -w 3d5.17 0xa3\n");
  printf("-g | --gpio  : Display GPIO state.\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xee2(%rip),%rdi
call   1030 <printf@plt>
lea    0xf02(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1a(%rip),%rdi
call   1030 <printf@plt>
lea    0xf2b(%rip),%rdi
call   1030 <printf@plt>
lea    0xf3e(%rip),%rdi
call   1030 <printf@plt>
lea    0xf68(%rip),%rdi
call   1030 <printf@plt>
lea    0xf98(%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    0xee4(%rip),%rdi
call   1030 <puts@plt>
lea    0xf03(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1a(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2a(%rip),%rdi
call   1030 <puts@plt>
lea    0xf3c(%rip),%rdi
call   1030 <puts@plt>
lea    0xf65(%rip),%rdi
call   1030 <puts@plt>
lea    0xf94(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [9 x i8] c"Usage :\0A\00"
@.str.1 = [44 x i8] c"-h | --help : Display this usage message.\0A\00"
@.str.2 = [36 x i8] c"-d | --dump : Dump all registers.\0A\00"
@.str.3 = [29 x i8] c"-p | --pll : Display PLL.\0A\00"
@.str.4 = [31 x i8] c"-m | --mode : Display modes.\0A\00"
@.str.5 = [54 x i8] c"-r | --read : Read register. Example : $0 -r 3d5.17\0A\00"
@.str.6 = [60 x i8] c"-w | --write : Write register. Example : $0 -w 3d5.17 0xa3\0A\00"
@.str.7 = [36 x i8] c"-g | --gpio : Display GPIO state.\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.7, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [8 x i8] c"Usage :\00"
@str.8 = [43 x i8] c"-h | --help : Display this usage message.\00"
@str.9 = [35 x i8] c"-d | --dump : Dump all registers.\00"
@str.10 = [28 x i8] c"-p | --pll : Display PLL.\00"
@str.11 = [30 x i8] c"-m | --mode : Display modes.\00"
@str.12 = [53 x i8] c"-r | --read : Read register. Example : $0 -r 3d5.17\00"
@str.13 = [59 x i8] c"-w | --write : Write register. Example : $0 -w 3d5.17 0xa3\00"
@str.14 = [35 x i8] c"-g | --gpio : Display GPIO state.\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str.8, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @str.9, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.10, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.11, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([53 x i8], [53 x i8]* @str.12, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.13, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @str.14, i64 0, i64 0))
ret void
}