#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
int /*<<< orphan*/ printf(char *, char *, int);
int /*<<< orphan*/ stderr;
int txt_file_number_of_lines(int /*<<< orphan*/ *);
int main(int argc, char *argv[]) {
  FILE *fp = NULL;
  int number_of_lines = 0;
  if (argc != 2) {
    fprintf(stderr, "USAGE: %s <filename>\n", argv[0]);
    return -1;
  }
  fp = fopen(argv[1], "r");
  number_of_lines = txt_file_number_of_lines(fp);
  printf("%s having %d Lines\n", argv[1], number_of_lines);
  fclose(fp);
  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)
movq   $0x0,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     11a7 <main+0x57>
mov    0x2e5a(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe6a(%rip),%rsi
call   1060 <fprintf@plt>
movl   $0xffffffff,-0x4(%rbp)
jmp    11f2 <main+0xa2>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
lea    0xe60(%rip),%rsi
call   1070 <fopen@plt>
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
call   1030 <txt_file_number_of_lines@plt>
mov    %eax,-0x1c(%rbp)
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rsi
mov    -0x1c(%rbp),%edx
lea    0xe3b(%rip),%rdi
call   1050 <printf@plt>
mov    -0x18(%rbp),%rdi
call   1040 <fclose@plt>
movl   $0x0,-0x4(%rbp)
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    1195 <main+0x45>
mov    0x8(%rbx),%rdi
lea    0xeaf(%rip),%rsi
call   1070 <fopen@plt>
mov    %rax,%r14
mov    %rax,%rdi
call   1030 <txt_file_number_of_lines@plt>
mov    0x8(%rbx),%rsi
lea    0xe96(%rip),%rdi
mov    %eax,%edx
call   1050 <printf@plt>
mov    %r14,%rdi
call   1040 <fclose@plt>
xor    %eax,%eax
jmp    11b2 <main+0x62>
mov    0x2e44(%rip),%rax
mov    (%rax),%edi
mov    (%rbx),%rdx
lea    0xe58(%rip),%rsi
call   1060 <fprintf@plt>
mov    $0xffffffff,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@stderr = global i32 0
@.str = [22 x i8] c"USAGE: %s <filename>\0A\00"
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [20 x i8] c"%s having %d Lines\0A\00"
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
store i32* null, i32** %6
store i32 0, i32* %7
%8 = load i32, i32* %4
%9 = icmp ne i32 %8, 2
br i1 %9, label %10, label %16
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 ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i8* %14)
store i32 -1, i32* %3
br label %30
16: ; preds = %2
%17 = load i8**, i8*** %5
%18 = getelementptr inbounds i8*, i8** %17, i64 1
%19 = load i8*, i8** %18
%20 = call i32* @fopen(i8* %19, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32* %20, i32** %6
%21 = load i32*, i32** %6
%22 = call i32 @txt_file_number_of_lines(i32* %21)
store i32 %22, i32* %7
%23 = load i8**, i8*** %5
%24 = getelementptr inbounds i8*, i8** %23, i64 1
%25 = load i8*, i8** %24
%26 = load i32, i32* %7
%27 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0), i8* %25, i32 %26)
%28 = load i32*, i32** %6
%29 = call i32 @fclose(i32* %28)
store i32 0, i32* %3
br label %30
30: ; preds = %16, %10
%31 = load i32, i32* %3
ret i32 %31
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [22 x i8] c"USAGE: %s <filename>\0A\00"
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [20 x i8] c"%s having %d Lines\0A\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 = load i32, i32* @stderr
%6 = load i8*, i8** %1
%7 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([22 x i8], [22 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* @fopen(i8* %10, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%12 = tail call i32 @txt_file_number_of_lines(i32* %11)
%13 = load i8*, i8** %9
%14 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0), i8* %13, i32 %12)
%15 = tail call i32 @fclose(i32* %11)
br label %16
16: ; preds = %8, %4
%17 = phi i32 [ -1, %4 ], [ 0, %8 ]
ret i32 %17
}