#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 print_usage(char *executable_name) {
  printf("usage: %s INPUT [ OUTPUT ]\n", executable_name);
  printf("\tINPUT\tdump of modem memory as received with commands at+mtm or "
         "at+mtp=n\n");
  printf("\tOUTPUT\tfilename where write dump without checksum chars\n");
  printf("if output file is not providen only verifies checksums\n\n");
}


x86 assembly (clang, -O0):
<print_usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf23(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf4f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_usage>:
push   %rax
mov    %rdi,%rsi
lea    0xed5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xee3(%rip),%rdi
call   1030 <puts@plt>
lea    0xf20(%rip),%rdi
call   1030 <puts@plt>
lea    0xf4d(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [28 x i8] c"usage: %s INPUT [ OUTPUT ]\0A\00"
@.str.1 = [74 x i8] c"\09INPUT\09dump of modem memory as received with commands at+mtm or at+mtp=n\0A\00"
@.str.2 = [58 x i8] c"\09OUTPUT\09filename where write dump without checksum chars\0A\00"
@.str.3 = [57 x i8] c"if output file is not providen only verifies checksums\0A\0A\00"
define void @print_usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([74 x i8], [74 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([57 x i8], [57 x i8]* @.str.3, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [28 x i8] c"usage: %s INPUT [ OUTPUT ]\0A\00"
@str = [73 x i8] c"\09INPUT\09dump of modem memory as received with commands at+mtm or at+mtp=n\00"
@str.4 = [57 x i8] c"\09OUTPUT\09filename where write dump without checksum chars\00"
@str.5 = [56 x i8] c"if output file is not providen only verifies checksums\0A\00"
define void @print_usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([73 x i8], [73 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([57 x i8], [57 x i8]* @str.4, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([56 x i8], [56 x i8]* @str.5, i64 0, i64 0))
ret void
}