#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(const char *cmd) {
  printf("Usage:  %s salt [-d] [-t iterations] [-m memory] "
         "[-p parallelism]\n",
         cmd);
  printf("\tPassword is read from stdin\n");
  printf("Parameters:\n");
  printf("\tsalt\t\tThe salt to use, at most 16 characters\n");
  printf("\t-d\t\tUse Argon2d instead of Argon2i (which is the default)\n");
  printf("\t-t N\t\tSets the number of iterations to N (default = %d)\n", 3);
  printf("\t-m N\t\tSets the memory usage of 2^N KiB (default %d)\n", 12);
  printf("\t-p N\t\tSets parallelism to N threads (default %d)\n", 1);
}


x86 assembly (clang, -O0):
<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    0xf0e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf3e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf6c(%rip),%rdi
mov    $0x3,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf93(%rip),%rdi
mov    $0xc,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xfb6(%rip),%rdi
mov    $0x1,%esi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
mov    %rdi,%rsi
lea    0xed5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xfad(%rip),%rdi
call   1030 <puts@plt>
lea    0xfbe(%rip),%rdi
call   1030 <puts@plt>
lea    0xfbe(%rip),%rdi
call   1030 <puts@plt>
lea    0xfe0(%rip),%rdi
call   1030 <puts@plt>
lea    0xeda(%rip),%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xf01(%rip),%rdi
mov    $0xc,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xf24(%rip),%rdi
mov    $0x1,%esi
xor    %eax,%eax
pop    %rcx
jmp    1040 <printf@plt>

LLVM IR (-O0):
@.str = [67 x i8] c"Usage: %s salt [-d] [-t iterations] [-m memory] [-p parallelism]\0A\00"
@.str.1 = [30 x i8] c"\09Password is read from stdin\0A\00"
@.str.2 = [13 x i8] c"Parameters:\0A\00"
@.str.3 = [47 x i8] c"\09salt\09\09The salt to use, at most 16 characters\0A\00"
@.str.4 = [60 x i8] c"\09-d\09\09Use Argon2d instead of Argon2i (which is the default)\0A\00"
@.str.5 = [58 x i8] c"\09-t N\09\09Sets the number of iterations to N (default = %d)\0A\00"
@.str.6 = [54 x i8] c"\09-m N\09\09Sets the memory usage of 2^N KiB (default %d)\0A\00"
@.str.7 = [51 x i8] c"\09-p N\09\09Sets parallelism to N threads (default %d)\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([67 x i8], [67 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.5, i64 0, i64 0), i32 3)
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.6, i64 0, i64 0), i32 12)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.7, i64 0, i64 0), i32 1)
ret void
}

LLVM IR (-O2):
@.str = [67 x i8] c"Usage: %s salt [-d] [-t iterations] [-m memory] [-p parallelism]\0A\00"
@.str.5 = [58 x i8] c"\09-t N\09\09Sets the number of iterations to N (default = %d)\0A\00"
@.str.6 = [54 x i8] c"\09-m N\09\09Sets the memory usage of 2^N KiB (default %d)\0A\00"
@.str.7 = [51 x i8] c"\09-p N\09\09Sets parallelism to N threads (default %d)\0A\00"
@str = [29 x i8] c"\09Password is read from stdin\00"
@str.8 = [12 x i8] c"Parameters:\00"
@str.9 = [46 x i8] c"\09salt\09\09The salt to use, at most 16 characters\00"
@str.10 = [59 x i8] c"\09-d\09\09Use Argon2d instead of Argon2i (which is the default)\00"
define void @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([67 x i8], [67 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.10, i64 0, i64 0))
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([58 x i8], [58 x i8]* @.str.5, i64 0, i64 0), i32 3)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @.str.6, i64 0, i64 0), i32 12)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([51 x i8], [51 x i8]* @.str.7, i64 0, i64 0), i32 1)
ret void
}