#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 EXIT_FAILURE;
int EXIT_SUCCESS;
int atoi(char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
int /*<<< orphan*/ printf(char *, int);
int random_int(int);
int /*<<< orphan*/ srand(int /*<<< orphan*/);
int /*<<< orphan*/ stderr;
int /*<<< orphan*/ time(int /*<<< orphan*/ *);
int main(int argc, char *argv[]) {
  if (argc != 2) {
    fprintf(stderr, "Usage: %s <number> \n", argv[0]);
    return EXIT_FAILURE;
  }
  int max = atoi(argv[1]);
  srand(time(NULL));
  int result = random_int(max);
  printf("%d\n", result);
  return EXIT_SUCCESS;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     11ad <main+0x4d>
mov    0x2e59(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe69(%rip),%rsi
call   1050 <fprintf@plt>
mov    0x2e35(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    11f3 <main+0x93>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1080 <atoi@plt>
mov    %eax,-0x14(%rbp)
xor    %eax,%eax
mov    %eax,%edi
call   1060 <time@plt>
mov    %eax,%edi
call   1040 <srand@plt>
mov    -0x14(%rbp),%edi
call   1070 <random_int@plt>
mov    %eax,-0x18(%rbp)
mov    -0x18(%rbp),%esi
lea    0xe33(%rip),%rdi
call   1030 <printf@plt>
mov    0x2de2(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
cmp    $0x2,%edi
jne    119d <main+0x3d>
mov    0x8(%rsi),%rdi
call   1080 <atoi@plt>
mov    %eax,%ebx
xor    %edi,%edi
call   1060 <time@plt>
mov    %eax,%edi
call   1040 <srand@plt>
mov    %ebx,%edi
call   1070 <random_int@plt>
lea    0xe88(%rip),%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    0x2e35(%rip),%rax
jmp    11bc <main+0x5c>
mov    0x2e3c(%rip),%rax
mov    (%rax),%edi
mov    (%rsi),%rdx
lea    0xe50(%rip),%rsi
call   1050 <fprintf@plt>
mov    0x2e1c(%rip),%rax
mov    (%rax),%eax
pop    %rbx
ret

LLVM IR (-O0):
@stderr = global i32 0
@.str = [21 x i8] c"Usage: %s <number> \0A\00"
@EXIT_FAILURE = global i32 0
@.str.1 = [4 x i8] c"%d\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp ne i32 %8, 2
br i1 %9, label %10, label %17
10: ; preds = %2
%11 = load i32, i32* @stderr
%12 = load i8**, i8*** %5
%13 = getelementptr inbounds i8*, i8** %12, i64 0
%14 = load i8*, i8** %13
%15 = call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* %14)
%16 = load i32, i32* @EXIT_FAILURE
store i32 %16, i32* %3
br label %29
17: ; preds = %2
%18 = load i8**, i8*** %5
%19 = getelementptr inbounds i8*, i8** %18, i64 1
%20 = load i8*, i8** %19
%21 = call i32 @atoi(i8* %20)
store i32 %21, i32* %6
%22 = call i32 @time(i32* null)
%23 = call i32 @srand(i32 %22)
%24 = load i32, i32* %6
%25 = call i32 @random_int(i32 %24)
store i32 %25, i32* %7
%26 = load i32, i32* %7
%27 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %26)
%28 = load i32, i32* @EXIT_SUCCESS
store i32 %28, i32* %3
br label %29
29: ; preds = %17, %10
%30 = load i32, i32* %3
ret i32 %30
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [21 x i8] c"Usage: %s <number> \0A\00"
@EXIT_FAILURE = global i32 0
@.str.1 = [4 x i8] c"%d\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %1
%7 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* %6)
br label %16
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = tail call i32 @atoi(i8* %10)
%12 = tail call i32 @time(i32* null)
%13 = tail call i32 @srand(i32 %12)
%14 = tail call i32 @random_int(i32 %11)
%15 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %14)
br label %16
16: ; preds = %8, %4
%17 = phi i32* [ @EXIT_FAILURE, %4 ], [ @EXIT_SUCCESS, %8 ]
%18 = load i32, i32* %17
ret i32 %18
}