#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 atoi(char *);
scalar_t__ strcmp(char *, char *);
scalar_t__ tolower(unsigned char);
int booleanValue(char *zArg) {
  int val = atoi(zArg);
  int j;
  for (j = 0; zArg[j]; j++) {
    zArg[j] = (char)tolower((unsigned char)zArg[j]);
  }
  if (strcmp(zArg, "on") == 0) {
    val = 1;
  } else if (strcmp(zArg, "yes") == 0) {
    val = 1;
  }
  return val;
}


x86 assembly (clang, -O0):
<booleanValue>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
call   1050 <atoi@plt>
mov    %eax,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
cmpb   $0x0,(%rax,%rcx,1)
je     118d <booleanValue+0x5d>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movzbl (%rax,%rcx,1),%edi
call   1040 <tolower@plt>
mov    %al,%dl
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    %dl,(%rax,%rcx,1)
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    114f <booleanValue+0x1f>
mov    -0x8(%rbp),%rdi
lea    0xe68(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11b3 <booleanValue+0x83>
movl   $0x1,-0xc(%rbp)
jmp    11d9 <booleanValue+0xa9>
mov    -0x8(%rbp),%rdi
lea    0xe45(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11d4 <booleanValue+0xa4>
movl   $0x1,-0xc(%rbp)
jmp    11d9 <booleanValue+0xa9>
mov    -0xc(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<booleanValue>:
push   %rbp
push   %r14
push   %rbx
mov    %rdi,%rbx
call   1050 <atoi@plt>
mov    %eax,%r14d
mov    (%rbx),%al
test   %al,%al
je     1167 <booleanValue+0x37>
lea    0x1(%rbx),%rbp
nopl   0x0(%rax)
movzbl %al,%edi
call   1040 <tolower@plt>
mov    %al,-0x1(%rbp)
movzbl 0x0(%rbp),%eax
add    $0x1,%rbp
test   %al,%al
jne    1150 <booleanValue+0x20>
lea    0xe92(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1198 <booleanValue+0x68>
lea    0xe81(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
mov    $0x1,%eax
cmove  %eax,%r14d
jmp    119e <booleanValue+0x6e>
mov    $0x1,%r14d
mov    %r14d,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
@.str = [3 x i8] c"on\00"
@.str.1 = [4 x i8] c"yes\00"
define i32 @booleanValue(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
%4 = alloca i32
store i8* %0, i8** %2
%5 = load i8*, i8** %2
%6 = call i32 @atoi(i8* %5)
store i32 %6, i32* %3
store i32 0, i32* %4
br label %7
7: ; preds = %26, %1
%8 = load i8*, i8** %2
%9 = load i32, i32* %4
%10 = sext i32 %9 to i64
%11 = getelementptr inbounds i8, i8* %8, i64 %10
%12 = load i8, i8* %11
%13 = icmp ne i8 %12, 0
br i1 %13, label %14, label %29
14: ; preds = %7
%15 = load i8*, i8** %2
%16 = load i32, i32* %4
%17 = sext i32 %16 to i64
%18 = getelementptr inbounds i8, i8* %15, i64 %17
%19 = load i8, i8* %18
%20 = call i64 @tolower(i8 zeroext %19)
%21 = trunc i64 %20 to i8
%22 = load i8*, i8** %2
%23 = load i32, i32* %4
%24 = sext i32 %23 to i64
%25 = getelementptr inbounds i8, i8* %22, i64 %24
store i8 %21, i8* %25
br label %26
26: ; preds = %14
%27 = load i32, i32* %4
%28 = add nsw i32 %27, 1
store i32 %28, i32* %4
br label %7
29: ; preds = %7
%30 = load i8*, i8** %2
%31 = call i64 @strcmp(i8* %30, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%32 = icmp eq i64 %31, 0
br i1 %32, label %33, label %34
33: ; preds = %29
store i32 1, i32* %3
br label %40
34: ; preds = %29
%35 = load i8*, i8** %2
%36 = call i64 @strcmp(i8* %35, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%37 = icmp eq i64 %36, 0
br i1 %37, label %38, label %39
38: ; preds = %34
store i32 1, i32* %3
br label %39
39: ; preds = %38, %34
br label %40
40: ; preds = %39, %33
%41 = load i32, i32* %3
ret i32 %41
}

LLVM IR (-O2):
@.str = [3 x i8] c"on\00"
@.str.1 = [4 x i8] c"yes\00"
define i32 @booleanValue(i8* %0) {
%2 = tail call i32 @atoi(i8* %0)
%3 = load i8, i8* %0
%4 = icmp eq i8 %3, 0
br i1 %4, label %15, label %5
5: ; preds = %1, %5
%6 = phi i64 [ %11, %5 ], [ 0, %1 ]
%7 = phi i8 [ %13, %5 ], [ %3, %1 ]
%8 = phi i8* [ %12, %5 ], [ %0, %1 ]
%9 = tail call i64 @tolower(i8 zeroext %7)
%10 = trunc i64 %9 to i8
store i8 %10, i8* %8
%11 = add nuw i64 %6, 1
%12 = getelementptr inbounds i8, i8* %0, i64 %11
%13 = load i8, i8* %12
%14 = icmp eq i8 %13, 0
br i1 %14, label %15, label %5
15: ; preds = %5, %1
%16 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%17 = icmp eq i64 %16, 0
br i1 %17, label %22, label %18
18: ; preds = %15
%19 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%20 = icmp eq i64 %19, 0
%21 = select i1 %20, i32 1, i32 %2
br label %22
22: ; preds = %18, %15
%23 = phi i32 [ 1, %15 ], [ %21, %18 ]
ret i32 %23
}