#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__ isBinNumber(char const *);
scalar_t__ isDecNumber(char const *);
scalar_t__ isHexNumber(char const *);
scalar_t__ isOctNumber(char const *);
int isNumber(const char *numero) {
  return isHexNumber(numero) || isDecNumber(numero) || isOctNumber(numero) ||
         isBinNumber(numero);
}


x86 assembly (clang, -O0):
<isNumber>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
call   1030 <isHexNumber@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    11b0 <isNumber+0x70>
mov    -0x8(%rbp),%rdi
call   1050 <isDecNumber@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    11b0 <isNumber+0x70>
mov    -0x8(%rbp),%rdi
call   1040 <isOctNumber@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x9(%rbp)
jne    11b0 <isNumber+0x70>
mov    -0x8(%rbp),%rdi
call   1060 <isBinNumber@plt>
cmp    $0x0,%rax
setne  %al
mov    %al,-0x9(%rbp)
mov    -0x9(%rbp),%al
and    $0x1,%al
movzbl %al,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<isNumber>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
call   1030 <isHexNumber@plt>
mov    $0x1,%ebp
test   %rax,%rax
jne    1180 <isNumber+0x40>
mov    %rbx,%rdi
call   1050 <isDecNumber@plt>
test   %rax,%rax
jne    1180 <isNumber+0x40>
mov    %rbx,%rdi
call   1040 <isOctNumber@plt>
test   %rax,%rax
jne    1180 <isNumber+0x40>
mov    %rbx,%rdi
call   1060 <isBinNumber@plt>
xor    %ebp,%ebp
test   %rax,%rax
setne  %bpl
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
define i32 @isNumber(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i64 @isHexNumber(i8* %3)
%5 = icmp ne i64 %4, 0
br i1 %5, label %18, label %6
6: ; preds = %1
%7 = load i8*, i8** %2
%8 = call i64 @isDecNumber(i8* %7)
%9 = icmp ne i64 %8, 0
br i1 %9, label %18, label %10
10: ; preds = %6
%11 = load i8*, i8** %2
%12 = call i64 @isOctNumber(i8* %11)
%13 = icmp ne i64 %12, 0
br i1 %13, label %18, label %14
14: ; preds = %10
%15 = load i8*, i8** %2
%16 = call i64 @isBinNumber(i8* %15)
%17 = icmp ne i64 %16, 0
br label %18
18: ; preds = %14, %10, %6, %1
%19 = phi i1 [ true, %10 ], [ true, %6 ], [ true, %1 ], [ %17, %14 ]
%20 = zext i1 %19 to i32
ret i32 %20
}

LLVM IR (-O2):
define i32 @isNumber(i8* %0) {
%2 = tail call i64 @isHexNumber(i8* %0)
%3 = icmp eq i64 %2, 0
br i1 %3, label %4, label %14
4: ; preds = %1
%5 = tail call i64 @isDecNumber(i8* %0)
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %14
7: ; preds = %4
%8 = tail call i64 @isOctNumber(i8* %0)
%9 = icmp eq i64 %8, 0
br i1 %9, label %10, label %14
10: ; preds = %7
%11 = tail call i64 @isBinNumber(i8* %0)
%12 = icmp ne i64 %11, 0
%13 = zext i1 %12 to i32
br label %14
14: ; preds = %10, %7, %4, %1
%15 = phi i32 [ 1, %7 ], [ 1, %4 ], [ 1, %1 ], [ %13, %10 ]
ret i32 %15
}