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

/* Variables and functions */
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ feof(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *, char *);
char *read_linew(int /*<<< orphan*/ *);
int /*<<< orphan*/ smb___free(char *);
int /*<<< orphan*/ stderr;
scalar_t__ wcscmp(char *, char *);
int test_read_linew(void) {
  FILE *f = fopen("res/file.txt", "r");
  int i = 0;
  wchar_t *lines[] = {L"This is the first line of my file.",
                      L"This is the second line of my file.", L""};
  wchar_t *line;
  while (!feof(f)) {
    line = read_linew(f);
    do {
      if (wcscmp((lines[i]), (line)) != 0) {
        fprintf(stderr, "Assertion failed: \"%ls\" != \"%ls\"\n", lines[i],
                line);
        return 86;
      }
    } while (0);
    ;
    smb___free(line);
    i++;
  }
  fclose(f);
  return 0;
}


x86 assembly (clang, -O0):
<test_read_linew>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
lea    0xe81(%rip),%rdi
lea    0xe87(%rip),%rsi
call   1090 <fopen@plt>
mov    %rax,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
mov    0x2c63(%rip),%rax
mov    %rax,-0x30(%rbp)
mov    0x2c60(%rip),%rax
mov    %rax,-0x28(%rbp)
mov    0x2c5d(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    -0x10(%rbp),%rdi
call   1080 <feof@plt>
cmp    $0x0,%eax
setne  %al
xor    $0xff,%al
test   $0x1,%al
jne    11d5 <test_read_linew+0x65>
jmp    1248 <test_read_linew+0xd8>
mov    -0x10(%rbp),%rdi
call   1060 <read_linew@plt>
mov    %rax,-0x38(%rbp)
movslq -0x14(%rbp),%rax
mov    -0x30(%rbp,%rax,8),%rdi
mov    -0x38(%rbp),%rsi
call   1030 <wcscmp@plt>
cmp    $0x0,%rax
je     122c <test_read_linew+0xbc>
mov    0x2ddb(%rip),%rax
mov    (%rax),%edi
movslq -0x14(%rbp),%rax
mov    -0x30(%rbp,%rax,8),%rdx
mov    -0x38(%rbp),%rcx
lea    0xdf4(%rip),%rsi
call   1070 <fprintf@plt>
movl   $0x56,-0x4(%rbp)
jmp    1258 <test_read_linew+0xe8>
jmp    1231 <test_read_linew+0xc1>
mov    -0x38(%rbp),%rdi
call   1040 <smb___free@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    11b7 <test_read_linew+0x47>
mov    -0x10(%rbp),%rdi
call   1050 <fclose@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<test_read_linew>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
lea    0xe81(%rip),%rdi
lea    0xe87(%rip),%rsi
call   1090 <fopen@plt>
mov    %rax,%r14
mov    %rax,%rdi
call   1080 <feof@plt>
test   %eax,%eax
jne    11e6 <test_read_linew+0x76>
lea    0x2c5f(%rip),%rbx
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
mov    %r14,%rdi
call   1060 <read_linew@plt>
mov    %rax,%r12
mov    (%rbx),%r15
mov    %r15,%rdi
mov    %rax,%rsi
call   1030 <wcscmp@plt>
test   %rax,%rax
jne    11f2 <test_read_linew+0x82>
mov    %r12,%rdi
call   1040 <smb___free@plt>
mov    %r14,%rdi
call   1080 <feof@plt>
add    $0x8,%rbx
test   %eax,%eax
je     11b0 <test_read_linew+0x40>
mov    %r14,%rdi
call   1050 <fclose@plt>
xor    %eax,%eax
jmp    1212 <test_read_linew+0xa2>
mov    0x2de7(%rip),%rax
mov    (%rax),%edi
lea    0xe0d(%rip),%rsi
mov    %r15,%rdx
mov    %r12,%rcx
call   1070 <fprintf@plt>
mov    $0x56,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [13 x i8] c"res/file.txt\00"
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [35 x i32] [i32 84, i32 104, i32 105, i32 115, i32 32, i32 105, i32 115, i32 32, i32 116, i32 104, i32 101, i32 32, i32 102, i32 105, i32 114, i32 115, i32 116, i32 32, i32 108, i32 105, i32 110, i32 101, i32 32, i32 111, i32 102, i32 32, i32 109, i32 121, i32 32, i32 102, i32 105, i32 108, i32 101, i32 46, i32 0]
@.str.3 = [36 x i32] [i32 84, i32 104, i32 105, i32 115, i32 32, i32 105, i32 115, i32 32, i32 116, i32 104, i32 101, i32 32, i32 115, i32 101, i32 99, i32 111, i32 110, i32 100, i32 32, i32 108, i32 105, i32 110, i32 101, i32 32, i32 111, i32 102, i32 32, i32 109, i32 121, i32 32, i32 102, i32 105, i32 108, i32 101, i32 46, i32 0]
@.str.4 = [1 x i32] zeroinitializer
@__const.test_read_linew.lines = [3 x i8*] [i8* bitcast ([35 x i32]* @.str.2 to i8*), i8* bitcast ([36 x i32]* @.str.3 to i8*), i8* bitcast ([1 x i32]* @.str.4 to i8*)]
@stderr = global i32 0
@.str.5 = [34 x i8] c"Assertion failed: \22%ls\22 != \22%ls\22\0A\00"
define i32 @test_read_linew() {
%1 = alloca i32
%2 = alloca i32*
%3 = alloca i32
%4 = alloca [3 x i8*]
%5 = alloca i8*
%6 = call i32* @fopen(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32* %6, i32** %2
store i32 0, i32* %3
%7 = bitcast [3 x i8*]* %4 to i8*
br label %8
8: ; preds = %33, %0
%9 = load i32*, i32** %2
%10 = call i32 @feof(i32* %9)
%11 = icmp ne i32 %10, 0
%12 = xor i1 %11, true
br i1 %12, label %13, label %38
13: ; preds = %8
%14 = load i32*, i32** %2
%15 = call i8* @read_linew(i32* %14)
store i8* %15, i8** %5
br label %16
16: ; preds = %13
%17 = load i32, i32* %3
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds [3 x i8*], [3 x i8*]* %4, i64 0, i64 %18
%20 = load i8*, i8** %19
%21 = load i8*, i8** %5
%22 = call i64 @wcscmp(i8* %20, i8* %21)
%23 = icmp ne i64 %22, 0
br i1 %23, label %24, label %32
24: ; preds = %16
%25 = load i32, i32* @stderr
%26 = load i32, i32* %3
%27 = sext i32 %26 to i64
%28 = getelementptr inbounds [3 x i8*], [3 x i8*]* %4, i64 0, i64 %27
%29 = load i8*, i8** %28
%30 = load i8*, i8** %5
%31 = call i32 @fprintf(i32 %25, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.5, i64 0, i64 0), i8* %29, i8* %30)
store i32 86, i32* %1
br label %41
32: ; preds = %16
br label %33
33: ; preds = %32
%34 = load i8*, i8** %5
%35 = call i32 @smb___free(i8* %34)
%36 = load i32, i32* %3
%37 = add nsw i32 %36, 1
store i32 %37, i32* %3
br label %8
38: ; preds = %8
%39 = load i32*, i32** %2
%40 = call i32 @fclose(i32* %39)
store i32 0, i32* %1
br label %41
41: ; preds = %38, %24
%42 = load i32, i32* %1
ret i32 %42
}

LLVM IR (-O2):
@.str = [13 x i8] c"res/file.txt\00"
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [35 x i32] [i32 84, i32 104, i32 105, i32 115, i32 32, i32 105, i32 115, i32 32, i32 116, i32 104, i32 101, i32 32, i32 102, i32 105, i32 114, i32 115, i32 116, i32 32, i32 108, i32 105, i32 110, i32 101, i32 32, i32 111, i32 102, i32 32, i32 109, i32 121, i32 32, i32 102, i32 105, i32 108, i32 101, i32 46, i32 0]
@.str.3 = [36 x i32] [i32 84, i32 104, i32 105, i32 115, i32 32, i32 105, i32 115, i32 32, i32 116, i32 104, i32 101, i32 32, i32 115, i32 101, i32 99, i32 111, i32 110, i32 100, i32 32, i32 108, i32 105, i32 110, i32 101, i32 32, i32 111, i32 102, i32 32, i32 109, i32 121, i32 32, i32 102, i32 105, i32 108, i32 101, i32 46, i32 0]
@.str.4 = [1 x i32] zeroinitializer
@__const.test_read_linew.lines = [3 x i8*] [i8* bitcast ([35 x i32]* @.str.2 to i8*), i8* bitcast ([36 x i32]* @.str.3 to i8*), i8* bitcast ([1 x i32]* @.str.4 to i8*)]
@stderr = global i32 0
@.str.5 = [34 x i8] c"Assertion failed: \22%ls\22 != \22%ls\22\0A\00"
define i32 @test_read_linew() {
%1 = tail call i32* @fopen(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%2 = tail call i32 @feof(i32* %1)
%3 = icmp eq i32 %2, 0
br i1 %3, label %4, label %19
4: ; preds = %0, %14
%5 = phi i64 [ %16, %14 ], [ 0, %0 ]
%6 = tail call i8* @read_linew(i32* %1)
%7 = getelementptr inbounds [3 x i8*], [3 x i8*]* @__const.test_read_linew.lines, i64 0, i64 %5
%8 = load i8*, i8** %7
%9 = tail call i64 @wcscmp(i8* %8, i8* %6)
%10 = icmp eq i64 %9, 0
br i1 %10, label %14, label %11
11: ; preds = %4
%12 = load i32, i32* @stderr
%13 = tail call i32 @fprintf(i32 %12, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.5, i64 0, i64 0), i8* %8, i8* %6)
br label %21
14: ; preds = %4
%15 = tail call i32 @smb___free(i8* %6)
%16 = add nuw i64 %5, 1
%17 = tail call i32 @feof(i32* %1)
%18 = icmp eq i32 %17, 0
br i1 %18, label %4, label %19
19: ; preds = %14, %0
%20 = tail call i32 @fclose(i32* %1)
br label %21
21: ; preds = %19, %11
%22 = phi i32 [ 86, %11 ], [ 0, %19 ]
ret i32 %22
}