#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 IsFalse(char *str) {
  if (!strcmp(str, "FALSE") || !strcmp(str, "false") || !strcmp(str, "False") ||
      !strcmp(str, "0") || !strcmp(str, "n") || !strcmp(str, "N") ||
      !strcmp(str, "no") || !strcmp(str, "NO") || !strcmp(str, "No")) {
    return (1);
  } else {
    return (0);
  }
}


x86 assembly (clang, -O0):
<IsFalse>:
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     11fd <IsFalse+0xed>
mov    -0x10(%rbp),%rdi
lea    0xec6(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     11fd <IsFalse+0xed>
mov    -0x10(%rbp),%rdi
lea    0xeb3(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     11fd <IsFalse+0xed>
mov    -0x10(%rbp),%rdi
lea    0xea0(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     11fd <IsFalse+0xed>
mov    -0x10(%rbp),%rdi
lea    0xe89(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     11fd <IsFalse+0xed>
mov    -0x10(%rbp),%rdi
lea    0xe72(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     11fd <IsFalse+0xed>
mov    -0x10(%rbp),%rdi
lea    0xe5b(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     11fd <IsFalse+0xed>
mov    -0x10(%rbp),%rdi
lea    0xe45(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     11fd <IsFalse+0xed>
mov    -0x10(%rbp),%rdi
lea    0xe2f(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
jne    1209 <IsFalse+0xf9>
movl   $0x1,-0x4(%rbp)
jmp    1210 <IsFalse+0x100>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<IsFalse>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xee3(%rip),%rsi
call   1030 <strcmp@plt>
mov    $0x1,%ebp
test   %eax,%eax
je     11cf <IsFalse+0xbf>
lea    0xed0(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11cf <IsFalse+0xbf>
lea    0xebf(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11cf <IsFalse+0xbf>
lea    0xeb2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11cf <IsFalse+0xbf>
lea    0xea1(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11cf <IsFalse+0xbf>
lea    0xe90(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11cf <IsFalse+0xbf>
lea    0xe7f(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11cf <IsFalse+0xbf>
lea    0xe6f(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11cf <IsFalse+0xbf>
lea    0xe5f(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
xor    %ebp,%ebp
test   %eax,%eax
sete   %bpl
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [6 x i8] c"FALSE\00"
@.str.1 = [6 x i8] c"false\00"
@.str.2 = [6 x i8] c"False\00"
@.str.3 = [2 x i8] c"0\00"
@.str.4 = [2 x i8] c"n\00"
@.str.5 = [2 x i8] c"N\00"
@.str.6 = [3 x i8] c"no\00"
@.str.7 = [3 x i8] c"NO\00"
@.str.8 = [3 x i8] c"No\00"
define i32 @IsFalse(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 ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
%6 = icmp ne i32 %5, 0
br i1 %6, label %7, label %39
7: ; preds = %1
%8 = load i8*, i8** %3
%9 = call i32 @strcmp(i8* %8, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%10 = icmp ne i32 %9, 0
br i1 %10, label %11, label %39
11: ; preds = %7
%12 = load i8*, i8** %3
%13 = call i32 @strcmp(i8* %12, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0))
%14 = icmp ne i32 %13, 0
br i1 %14, label %15, label %39
15: ; preds = %11
%16 = load i8*, i8** %3
%17 = call i32 @strcmp(i8* %16, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%18 = icmp ne i32 %17, 0
br i1 %18, label %19, label %39
19: ; preds = %15
%20 = load i8*, i8** %3
%21 = call i32 @strcmp(i8* %20, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%22 = icmp ne i32 %21, 0
br i1 %22, label %23, label %39
23: ; preds = %19
%24 = load i8*, i8** %3
%25 = call i32 @strcmp(i8* %24, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%26 = icmp ne i32 %25, 0
br i1 %26, label %27, label %39
27: ; preds = %23
%28 = load i8*, i8** %3
%29 = call i32 @strcmp(i8* %28, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0))
%30 = icmp ne i32 %29, 0
br i1 %30, label %31, label %39
31: ; preds = %27
%32 = load i8*, i8** %3
%33 = call i32 @strcmp(i8* %32, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0))
%34 = icmp ne i32 %33, 0
br i1 %34, label %35, label %39
35: ; preds = %31
%36 = load i8*, i8** %3
%37 = call i32 @strcmp(i8* %36, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.8, i64 0, i64 0))
%38 = icmp ne i32 %37, 0
br i1 %38, label %40, label %39
39: ; preds = %35, %31, %27, %23, %19, %15, %11, %7, %1
store i32 1, i32* %2
br label %41
40: ; preds = %35
store i32 0, i32* %2
br label %41
41: ; preds = %40, %39
%42 = load i32, i32* %2
ret i32 %42
}

LLVM IR (-O2):
@.str = [6 x i8] c"FALSE\00"
@.str.1 = [6 x i8] c"false\00"
@.str.2 = [6 x i8] c"False\00"
@.str.3 = [2 x i8] c"0\00"
@.str.4 = [2 x i8] c"n\00"
@.str.5 = [2 x i8] c"N\00"
@.str.6 = [3 x i8] c"no\00"
@.str.7 = [3 x i8] c"NO\00"
@.str.8 = [3 x i8] c"No\00"
define i32 @IsFalse(i8* nocapture %0) {
%2 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(6) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i32 %2, 0
br i1 %3, label %29, label %4
4: ; preds = %1
%5 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(6) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i32 %5, 0
br i1 %6, label %29, label %7
7: ; preds = %4
%8 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(6) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i32 %8, 0
br i1 %9, label %29, label %10
10: ; preds = %7
%11 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(2) getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i32 %11, 0
br i1 %12, label %29, label %13
13: ; preds = %10
%14 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(2) getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i32 %14, 0
br i1 %15, label %29, label %16
16: ; preds = %13
%17 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(2) getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%18 = icmp eq i32 %17, 0
br i1 %18, label %29, label %19
19: ; preds = %16
%20 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0))
%21 = icmp eq i32 %20, 0
br i1 %21, label %29, label %22
22: ; preds = %19
%23 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0))
%24 = icmp eq i32 %23, 0
br i1 %24, label %29, label %25
25: ; preds = %22
%26 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.8, i64 0, i64 0))
%27 = icmp eq i32 %26, 0
%28 = zext i1 %27 to i32
br label %29
29: ; preds = %25, %1, %4, %7, %10, %13, %16, %19, %22
%30 = phi i32 [ 1, %22 ], [ 1, %19 ], [ 1, %16 ], [ 1, %13 ], [ 1, %10 ], [ 1, %7 ], [ 1, %4 ], [ 1, %1 ], [ %28, %25 ]
ret i32 %30
}