#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*/ isdigit(char);
int isNumerics(char *s) {
  for (; *s != '\0'; s++) {
    if ((!isdigit(*s)) && (*s != '.'))
      return 0;
  }
  return 1;
}


x86 assembly (clang, -O0):
<isNumerics>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rax
movsbl (%rax),%eax
cmp    $0x0,%eax
je     1173 <isNumerics+0x63>
mov    -0x10(%rbp),%rax
movsbl (%rax),%edi
call   1030 <isdigit@plt>
cmp    $0x0,%eax
jne    115d <isNumerics+0x4d>
mov    -0x10(%rbp),%rax
movsbl (%rax),%eax
cmp    $0x2e,%eax
je     115d <isNumerics+0x4d>
movl   $0x0,-0x4(%rbp)
jmp    117a <isNumerics+0x6a>
jmp    1162 <isNumerics+0x52>
mov    -0x10(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x10(%rbp)
jmp    111c <isNumerics+0xc>
movl   $0x1,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<isNumerics>:
push   %rbp
push   %rbx
push   %rax
mov    (%rdi),%al
mov    $0x1,%ebp
test   %al,%al
je     114f <isNumerics+0x3f>
mov    %rdi,%rbx
add    $0x1,%rbx
jmp    113b <isNumerics+0x2b>
nopw   0x0(%rax,%rax,1)
movzbl (%rbx),%eax
add    $0x1,%rbx
test   %al,%al
je     114f <isNumerics+0x3f>
movsbl %al,%edi
call   1030 <isdigit@plt>
test   %eax,%eax
jne    1130 <isNumerics+0x20>
cmpb   $0x2e,-0x1(%rbx)
je     1130 <isNumerics+0x20>
xor    %ebp,%ebp
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
define i32 @isNumerics(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
br label %4
4: ; preds = %21, %1
%5 = load i8*, i8** %3
%6 = load i8, i8* %5
%7 = sext i8 %6 to i32
%8 = icmp ne i32 %7, 0
br i1 %8, label %9, label %24
9: ; preds = %4
%10 = load i8*, i8** %3
%11 = load i8, i8* %10
%12 = call i32 @isdigit(i8 signext %11)
%13 = icmp ne i32 %12, 0
br i1 %13, label %20, label %14
14: ; preds = %9
%15 = load i8*, i8** %3
%16 = load i8, i8* %15
%17 = sext i8 %16 to i32
%18 = icmp ne i32 %17, 46
br i1 %18, label %19, label %20
19: ; preds = %14
store i32 0, i32* %2
br label %25
20: ; preds = %14, %9
br label %21
21: ; preds = %20
%22 = load i8*, i8** %3
%23 = getelementptr inbounds i8, i8* %22, i32 1
store i8* %23, i8** %3
br label %4
24: ; preds = %4
store i32 1, i32* %2
br label %25
25: ; preds = %24, %19
%26 = load i32, i32* %2
ret i32 %26
}

LLVM IR (-O2):
define i32 @isNumerics(i8* nocapture %0) {
%2 = load i8, i8* %0
%3 = icmp eq i8 %2, 0
br i1 %3, label %16, label %4
4: ; preds = %1, %12
%5 = phi i8 [ %14, %12 ], [ %2, %1 ]
%6 = phi i8* [ %13, %12 ], [ %0, %1 ]
%7 = tail call i32 @isdigit(i8 signext %5)
%8 = icmp eq i32 %7, 0
br i1 %8, label %9, label %12
9: ; preds = %4
%10 = load i8, i8* %6
%11 = icmp eq i8 %10, 46
br i1 %11, label %12, label %16
12: ; preds = %4, %9
%13 = getelementptr inbounds i8, i8* %6, i64 1
%14 = load i8, i8* %13
%15 = icmp eq i8 %14, 0
br i1 %15, label %16, label %4
16: ; preds = %9, %12, %1
%17 = phi i32 [ 1, %1 ], [ 1, %12 ], [ 0, %9 ]
ret i32 %17
}