#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 */
unsigned long atoi(char *);
int /*<<< orphan*/ myformat(unsigned long);
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char **argv) {
  if (argc != 2) {
    printf("Invalid number of arguments \n");
    printf("usage: %s diskSizeInBlockSize\n", argv[0]);
    return 1;
  }
  unsigned long size = atoi(argv[1]);
  printf("Formatting the disk with size %lu \n", size);
  myformat(size);
}


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     117f <main+0x4f>
lea    0xea9(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xeb2(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    11ab <main+0x7b>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1050 <atoi@plt>
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rsi
lea    0xea2(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x18(%rbp),%rdi
call   1030 <myformat@plt>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
mov    %rsi,%rbx
cmp    $0x2,%edi
jne    1175 <main+0x35>
mov    0x8(%rbx),%rdi
call   1060 <atoi@plt>
mov    %rax,%r14
lea    0xec0(%rip),%rdi
xor    %ebx,%ebx
mov    %rax,%rsi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %r14,%rdi
call   1030 <myformat@plt>
jmp    1197 <main+0x57>
lea    0xec7(%rip),%rdi
call   1040 <puts@plt>
mov    (%rbx),%rsi
lea    0xe75(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0x1,%ebx
mov    %ebx,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [30 x i8] c"Invalid number of arguments \0A\00"
@.str.1 = [31 x i8] c"usage: %s diskSizeInBlockSize\0A\00"
@.str.2 = [36 x i8] c"Formatting the disk with size %lu \0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i64
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = load i32, i32* %4
%8 = icmp ne i32 %7, 2
br i1 %8, label %9, label %15
9: ; preds = %2
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str, i64 0, i64 0))
%11 = load i8**, i8*** %5
%12 = getelementptr inbounds i8*, i8** %11, i64 0
%13 = load i8*, i8** %12
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.1, i64 0, i64 0), i8* %13)
store i32 1, i32* %3
br label %24
15: ; preds = %2
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 1
%18 = load i8*, i8** %17
%19 = call i64 @atoi(i8* %18)
store i64 %19, i64* %6
%20 = load i64, i64* %6
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.2, i64 0, i64 0), i64 %20)
%22 = load i64, i64* %6
%23 = call i32 @myformat(i64 %22)
br label %24
24: ; preds = %15, %9
%25 = load i32, i32* %3
ret i32 %25
}

LLVM IR (-O2):
@.str.1 = [31 x i8] c"usage: %s diskSizeInBlockSize\0A\00"
@.str.2 = [36 x i8] c"Formatting the disk with size %lu \0A\00"
@str = [29 x i8] c"Invalid number of arguments \00"
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 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str, i64 0, i64 0))
%6 = load i8*, i8** %1
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @.str.1, i64 0, i64 0), i8* %6)
br label %14
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = tail call i64 @atoi(i8* %10)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @.str.2, i64 0, i64 0), i64 %11)
%13 = tail call i32 @myformat(i64 %11)
br label %14
14: ; preds = %8, %4
%15 = phi i32 [ 1, %4 ], [ 0, %8 ]
ret i32 %15
}