#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 */
scalar_t__ OS_Regex(char *, char *);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char **argv) {
  if (argc != 3) {
    printf("%s regex word\n", argv[0]);
    exit(1);
  }
  printf("for REGEX: ");
  if (OS_Regex(argv[1], argv[2])) {
    printf("TRUE\n");
  } else {
    printf("FALSE\n");
  }
  return (0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x3,-0x8(%rbp)
je     116f <main+0x3f>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xea2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
lea    0xe99(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rsi
call   1040 <OS_Regex@plt>
cmp    $0x0,%rax
je     11af <main+0x7f>
lea    0xe78(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11bd <main+0x8d>
lea    0xe6b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    %rsi,%rbx
cmp    $0x3,%edi
jne    1182 <main+0x42>
lea    0xebf(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x8(%rbx),%rdi
mov    0x10(%rbx),%rsi
call   1050 <OS_Regex@plt>
test   %rax,%rax
lea    0xead(%rip),%rax
lea    0xeac(%rip),%rdi
cmove  %rax,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rbx
ret
mov    (%rbx),%rsi
lea    0xe74(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [15 x i8] c"%s regex word\0A\00"
@.str.1 = [12 x i8] c"for REGEX: \00"
@.str.2 = [6 x i8] c"TRUE\0A\00"
@.str.3 = [7 x i8] c"FALSE\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp ne i32 %6, 3
br i1 %7, label %8, label %14
8: ; preds = %2
%9 = load i8**, i8*** %5
%10 = getelementptr inbounds i8*, i8** %9, i64 0
%11 = load i8*, i8** %10
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i8* %11)
%13 = call i32 @exit(i32 1)
unreachable
14: ; preds = %2
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 1
%18 = load i8*, i8** %17
%19 = load i8**, i8*** %5
%20 = getelementptr inbounds i8*, i8** %19, i64 2
%21 = load i8*, i8** %20
%22 = call i64 @OS_Regex(i8* %18, i8* %21)
%23 = icmp ne i64 %22, 0
br i1 %23, label %24, label %26
24: ; preds = %14
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0))
br label %28
26: ; preds = %14
%27 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
br label %28
28: ; preds = %26, %24
ret i32 0
}

LLVM IR (-O2):
@.str = [15 x i8] c"%s regex word\0A\00"
@.str.1 = [12 x i8] c"for REGEX: \00"
@str = [6 x i8] c"FALSE\00"
@str.4 = [5 x i8] c"TRUE\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 3
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i8*, i8** %1
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i8* %5)
%7 = tail call i32 @exit(i32 1)
unreachable
8: ; preds = %2
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
%10 = getelementptr inbounds i8*, i8** %1, i64 1
%11 = load i8*, i8** %10
%12 = getelementptr inbounds i8*, i8** %1, i64 2
%13 = load i8*, i8** %12
%14 = tail call i64 @OS_Regex(i8* %11, i8* %13)
%15 = icmp eq i64 %14, 0
%16 = select i1 %15, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @str, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @str.4, i64 0, i64 0)
%17 = tail call i32 @puts(i8* dereferenceable(1) %16)
ret i32 0
}