#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*/ wchar_t;

/* Variables and functions */
int /*<<< orphan*/ ustricmp(int /*<<< orphan*/ *, char *);
int utob(wchar_t *s) {
  if (!ustricmp(s, L"yes") || !ustricmp(s, L"y") || !ustricmp(s, L"true") ||
      !ustricmp(s, L"t"))
    return 1;
  return 0;
}


x86 assembly (clang, -O0):
<utob>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <ustricmp@plt>
cmp    $0x0,%eax
je     1180 <utob+0x70>
mov    -0x10(%rbp),%rdi
lea    0xed0(%rip),%rsi
call   1030 <ustricmp@plt>
cmp    $0x0,%eax
je     1180 <utob+0x70>
mov    -0x10(%rbp),%rdi
lea    0xebf(%rip),%rsi
call   1030 <ustricmp@plt>
cmp    $0x0,%eax
je     1180 <utob+0x70>
mov    -0x10(%rbp),%rdi
lea    0xeba(%rip),%rsi
call   1030 <ustricmp@plt>
cmp    $0x0,%eax
jne    118c <utob+0x7c>
movl   $0x1,-0x4(%rbp)
jmp    1193 <utob+0x83>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<utob>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xee3(%rip),%rsi
call   1030 <ustricmp@plt>
mov    $0x1,%ebp
test   %eax,%eax
je     1168 <utob+0x58>
lea    0xede(%rip),%rsi
mov    %rbx,%rdi
call   1030 <ustricmp@plt>
test   %eax,%eax
je     1168 <utob+0x58>
lea    0xed3(%rip),%rsi
mov    %rbx,%rdi
call   1030 <ustricmp@plt>
test   %eax,%eax
je     1168 <utob+0x58>
lea    0xed4(%rip),%rsi
mov    %rbx,%rdi
call   1030 <ustricmp@plt>
xor    %ebp,%ebp
test   %eax,%eax
sete   %bpl
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [4 x i32] [i32 121, i32 101, i32 115, i32 0]
@.str.1 = [2 x i32] [i32 121, i32 0]
@.str.2 = [5 x i32] [i32 116, i32 114, i32 117, i32 101, i32 0]
@.str.3 = [2 x i32] [i32 116, i32 0]
define i32 @utob(i32* %0) {
%2 = alloca i32
%3 = alloca i32*
store i32* %0, i32** %3
%4 = load i32*, i32** %3
%5 = call i32 @ustricmp(i32* %4, i8* bitcast ([4 x i32]* @.str to i8*))
%6 = icmp ne i32 %5, 0
br i1 %6, label %7, label %19
7: ; preds = %1
%8 = load i32*, i32** %3
%9 = call i32 @ustricmp(i32* %8, i8* bitcast ([2 x i32]* @.str.1 to i8*))
%10 = icmp ne i32 %9, 0
br i1 %10, label %11, label %19
11: ; preds = %7
%12 = load i32*, i32** %3
%13 = call i32 @ustricmp(i32* %12, i8* bitcast ([5 x i32]* @.str.2 to i8*))
%14 = icmp ne i32 %13, 0
br i1 %14, label %15, label %19
15: ; preds = %11
%16 = load i32*, i32** %3
%17 = call i32 @ustricmp(i32* %16, i8* bitcast ([2 x i32]* @.str.3 to i8*))
%18 = icmp ne i32 %17, 0
br i1 %18, label %20, label %19
19: ; preds = %15, %11, %7, %1
store i32 1, i32* %2
br label %21
20: ; preds = %15
store i32 0, i32* %2
br label %21
21: ; preds = %20, %19
%22 = load i32, i32* %2
ret i32 %22
}

LLVM IR (-O2):
@.str = [4 x i32] [i32 121, i32 101, i32 115, i32 0]
@.str.1 = [2 x i32] [i32 121, i32 0]
@.str.2 = [5 x i32] [i32 116, i32 114, i32 117, i32 101, i32 0]
@.str.3 = [2 x i32] [i32 116, i32 0]
define i32 @utob(i32* %0) {
%2 = tail call i32 @ustricmp(i32* %0, i8* bitcast ([4 x i32]* @.str to i8*))
%3 = icmp eq i32 %2, 0
br i1 %3, label %14, label %4
4: ; preds = %1
%5 = tail call i32 @ustricmp(i32* %0, i8* bitcast ([2 x i32]* @.str.1 to i8*))
%6 = icmp eq i32 %5, 0
br i1 %6, label %14, label %7
7: ; preds = %4
%8 = tail call i32 @ustricmp(i32* %0, i8* bitcast ([5 x i32]* @.str.2 to i8*))
%9 = icmp eq i32 %8, 0
br i1 %9, label %14, label %10
10: ; preds = %7
%11 = tail call i32 @ustricmp(i32* %0, i8* bitcast ([2 x i32]* @.str.3 to i8*))
%12 = icmp eq i32 %11, 0
%13 = zext i1 %12 to i32
br label %14
14: ; preds = %10, %1, %4, %7
%15 = phi i32 [ 1, %7 ], [ 1, %4 ], [ 1, %1 ], [ %13, %10 ]
ret i32 %15
}