#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*/ strcmp(char *, char *);
int isbadanswer(char *answer) {
  if (!(!strcmp(answer, "yes") || !strcmp(answer, "Yes") ||
        !strcmp(answer, "no") || !strcmp(answer, "No")))
    return 1;
  return 0;
}


x86 assembly (clang, -O0):
<isbadanswer>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     118c <isbadanswer+0x7c>
mov    -0x10(%rbp),%rdi
lea    0xec4(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     118c <isbadanswer+0x7c>
mov    -0x10(%rbp),%rdi
lea    0xeaf(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     118c <isbadanswer+0x7c>
mov    -0x10(%rbp),%rdi
lea    0xe99(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     118c <isbadanswer+0x7c>
movl   $0x1,-0x4(%rbp)
jmp    1193 <isbadanswer+0x83>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<isbadanswer>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcmp@plt>
test   %eax,%eax
je     1166 <isbadanswer+0x56>
lea    0xed9(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     1166 <isbadanswer+0x56>
lea    0xeca(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     1166 <isbadanswer+0x56>
lea    0xeba(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
mov    %eax,%ecx
mov    $0x1,%eax
test   %ecx,%ecx
je     1166 <isbadanswer+0x56>
pop    %rbx
ret
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"yes\00"
@.str.1 = [4 x i8] c"Yes\00"
@.str.2 = [3 x i8] c"no\00"
@.str.3 = [3 x i8] c"No\00"
define i32 @isbadanswer(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i32 @strcmp(i8* %4, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%6 = icmp ne i32 %5, 0
br i1 %6, label %7, label %20
7: ; preds = %1
%8 = load i8*, i8** %3
%9 = call i32 @strcmp(i8* %8, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%10 = icmp ne i32 %9, 0
br i1 %10, label %11, label %20
11: ; preds = %7
%12 = load i8*, i8** %3
%13 = call i32 @strcmp(i8* %12, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%14 = icmp ne i32 %13, 0
br i1 %14, label %15, label %20
15: ; preds = %11
%16 = load i8*, i8** %3
%17 = call i32 @strcmp(i8* %16, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
%18 = icmp ne i32 %17, 0
br i1 %18, label %19, label %20
19: ; preds = %15
store i32 1, i32* %2
br label %21
20: ; preds = %15, %11, %7, %1
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 i8] c"yes\00"
@.str.1 = [4 x i8] c"Yes\00"
@.str.2 = [3 x i8] c"no\00"
@.str.3 = [3 x i8] c"No\00"
define i32 @isbadanswer(i8* nocapture %0) {
%2 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(4) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i32 %2, 0
br i1 %3, label %13, label %4
4: ; preds = %1
%5 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(4) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i32 %5, 0
br i1 %6, label %13, label %7
7: ; preds = %4
%8 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i32 %8, 0
br i1 %9, label %13, label %10
10: ; preds = %7
%11 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i32 %11, 0
br i1 %12, label %13, label %14
13: ; preds = %10, %7, %4, %1
br label %14
14: ; preds = %10, %13
%15 = phi i32 [ 0, %13 ], [ 1, %10 ]
ret i32 %15
}