#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*/ isblank(char);
int /*<<< orphan*/ isgraph(char);
void rewrite_ascii(char *string) {
  char *p;
  for (p = string; *p; p++) {
    if (!isgraph(*p) && !isblank(*p))
      *p = '.';
  }
}


x86 assembly (clang, -O0):
<rewrite_ascii>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rax
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
cmpb   $0x0,(%rax)
je     1188 <rewrite_ascii+0x68>
mov    -0x10(%rbp),%rax
movsbl (%rax),%edi
call   1040 <isgraph@plt>
cmp    $0x0,%eax
jne    1172 <rewrite_ascii+0x52>
mov    -0x10(%rbp),%rax
movsbl (%rax),%edi
call   1030 <isblank@plt>
cmp    $0x0,%eax
jne    1172 <rewrite_ascii+0x52>
mov    -0x10(%rbp),%rax
movb   $0x2e,(%rax)
jmp    1177 <rewrite_ascii+0x57>
mov    -0x10(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x10(%rbp)
jmp    1134 <rewrite_ascii+0x14>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<rewrite_ascii>:
push   %rbx
mov    (%rdi),%al
test   %al,%al
je     1159 <rewrite_ascii+0x39>
mov    %rdi,%rbx
jmp    113c <rewrite_ascii+0x1c>
nopl   0x0(%rax)
movzbl 0x1(%rbx),%eax
add    $0x1,%rbx
test   %al,%al
je     1159 <rewrite_ascii+0x39>
movsbl %al,%edi
call   1040 <isgraph@plt>
test   %eax,%eax
jne    1130 <rewrite_ascii+0x10>
movsbl (%rbx),%edi
call   1030 <isblank@plt>
test   %eax,%eax
jne    1130 <rewrite_ascii+0x10>
movb   $0x2e,(%rbx)
jmp    1130 <rewrite_ascii+0x10>
pop    %rbx
ret

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

LLVM IR (-O2):
define void @rewrite_ascii(i8* nocapture %0) {
%2 = load i8, i8* %0
%3 = icmp eq i8 %2, 0
br i1 %3, label %18, label %4
4: ; preds = %1, %14
%5 = phi i8 [ %16, %14 ], [ %2, %1 ]
%6 = phi i8* [ %15, %14 ], [ %0, %1 ]
%7 = tail call i32 @isgraph(i8 signext %5)
%8 = icmp eq i32 %7, 0
br i1 %8, label %9, label %14
9: ; preds = %4
%10 = load i8, i8* %6
%11 = tail call i32 @isblank(i8 signext %10)
%12 = icmp eq i32 %11, 0
br i1 %12, label %13, label %14
13: ; preds = %9
store i8 46, i8* %6
br label %14
14: ; preds = %4, %9, %13
%15 = getelementptr inbounds i8, i8* %6, i64 1
%16 = load i8, i8* %15
%17 = icmp eq i8 %16, 0
br i1 %17, label %18, label %4
18: ; preds = %14, %1
ret void
}