#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 /*<<< orphan*/ extract_content(char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stderr;
int /*<<< orphan*/ usage(int, char **);
int main(int argc, char **argv) {
  if (argc != 2) {
    fprintf(stderr, "Please specify exactly one file.\n");
    usage(argc, argv);
    return EXIT_FAILURE;
  }
  if (!extract_content(argv[1])) {
    return EXIT_FAILURE;
  }
  return EXIT_SUCCESS;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     1182 <main+0x52>
mov    0x2e89(%rip),%rax
mov    (%rax),%edi
lea    0xea0(%rip),%rsi
call   1030 <fprintf@plt>
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rsi
call   1040 <usage@plt>
mov    0x2e60(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    11b5 <main+0x85>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1050 <extract_content@plt>
cmp    $0x0,%eax
jne    11a9 <main+0x79>
mov    0x2e39(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    11b5 <main+0x85>
mov    0x2e20(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
mov    %rsi,%rbx
cmp    $0x2,%edi
jne    1151 <main+0x21>
mov    0x8(%rbx),%rdi
call   1050 <extract_content@plt>
test   %eax,%eax
je     1172 <main+0x42>
mov    0x2e81(%rip),%rax
jmp    1179 <main+0x49>
mov    %edi,%ebp
mov    0x2e86(%rip),%rax
mov    (%rax),%edi
lea    0xe9d(%rip),%rsi
call   1030 <fprintf@plt>
mov    %ebp,%edi
mov    %rbx,%rsi
call   1040 <usage@plt>
mov    0x2e5f(%rip),%rax
mov    (%rax),%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@stderr = global i32 0
@.str = [34 x i8] c"Please specify exactly one file.\0A\00"
@EXIT_FAILURE = global i32 0
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp ne i32 %6, 2
br i1 %7, label %8, label %15
8: ; preds = %2
%9 = load i32, i32* @stderr
%10 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0))
%11 = load i32, i32* %4
%12 = load i8**, i8*** %5
%13 = call i32 @usage(i32 %11, i8** %12)
%14 = load i32, i32* @EXIT_FAILURE
store i32 %14, i32* %3
br label %25
15: ; preds = %2
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 1
%18 = load i8*, i8** %17
%19 = call i32 @extract_content(i8* %18)
%20 = icmp ne i32 %19, 0
br i1 %20, label %23, label %21
21: ; preds = %15
%22 = load i32, i32* @EXIT_FAILURE
store i32 %22, i32* %3
br label %25
23: ; preds = %15
%24 = load i32, i32* @EXIT_SUCCESS
store i32 %24, i32* %3
br label %25
25: ; preds = %23, %21, %8
%26 = load i32, i32* %3
ret i32 %26
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [34 x i8] c"Please specify exactly one file.\0A\00"
@EXIT_FAILURE = global i32 0
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0))
%7 = tail call i32 @usage(i32 %0, i8** %1)
br label %14
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = tail call i32 @extract_content(i8* %10)
%12 = icmp eq i32 %11, 0
%13 = select i1 %12, i32* @EXIT_FAILURE, i32* @EXIT_SUCCESS
br label %14
14: ; preds = %8, %4
%15 = phi i32* [ @EXIT_FAILURE, %4 ], [ %13, %8 ]
%16 = load i32, i32* %15
ret i32 %16
}