#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*/ assert(int);
int atoi(char *);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char *argv[]) {
  int num;
  if (argc == 2) {
    num = atoi(argv[1]);
  } else {
    printf("usage: %s number\n", argv[0]);
    exit(1);
  }
  printf("test whether number is %d.\n", (10));
  assert(num == (10));
  printf("assert successful\n");
  return 0;
}


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)
jne    1175 <main+0x35>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1050 <atoi@plt>
mov    %eax,-0x14(%rbp)
jmp    1194 <main+0x54>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xe7d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
lea    0xe77(%rip),%rdi
mov    $0xa,%esi
mov    $0x0,%al
call   1030 <printf@plt>
cmpl   $0xa,-0x14(%rbp)
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1040 <assert@plt>
lea    0xe6f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
cmp    $0x2,%edi
jne    1192 <main+0x42>
mov    0x8(%rsi),%rdi
call   1060 <atoi@plt>
mov    %eax,%ebx
lea    0xeaa(%rip),%rdi
mov    $0xa,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %edi,%edi
cmp    $0xa,%ebx
sete   %dil
call   1050 <assert@plt>
lea    0xea5(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rbx
ret
mov    (%rsi),%rsi
lea    0xe64(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%edi
call   1070 <exit@plt>

LLVM IR (-O0):
@.str = [18 x i8] c"usage: %s number\0A\00"
@.str.1 = [28 x i8] c"test whether number is %d.\0A\00"
@.str.2 = [19 x i8] c"assert successful\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = load i32, i32* %4
%8 = icmp eq i32 %7, 2
br i1 %8, label %9, label %14
9: ; preds = %2
%10 = load i8**, i8*** %5
%11 = getelementptr inbounds i8*, i8** %10, i64 1
%12 = load i8*, i8** %11
%13 = call i32 @atoi(i8* %12)
store i32 %13, i32* %6
br label %20
14: ; preds = %2
%15 = load i8**, i8*** %5
%16 = getelementptr inbounds i8*, i8** %15, i64 0
%17 = load i8*, i8** %16
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %17)
%19 = call i32 @exit(i32 1)
unreachable
20: ; preds = %9
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0), i32 10)
%22 = load i32, i32* %6
%23 = icmp eq i32 %22, 10
%24 = zext i1 %23 to i32
%25 = call i32 @assert(i32 %24)
%26 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.2, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [18 x i8] c"usage: %s number\0A\00"
@.str.1 = [28 x i8] c"test whether number is %d.\0A\00"
@str = [18 x i8] c"assert successful\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %4, label %13
4: ; preds = %2
%5 = getelementptr inbounds i8*, i8** %1, i64 1
%6 = load i8*, i8** %5
%7 = tail call i32 @atoi(i8* %6)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0), i32 10)
%9 = icmp eq i32 %7, 10
%10 = zext i1 %9 to i32
%11 = tail call i32 @assert(i32 %10)
%12 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str, i64 0, i64 0))
ret i32 0
13: ; preds = %2
%14 = load i8*, i8** %1
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %14)
%16 = tail call i32 @exit(i32 1)
unreachable
}