#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*/ memmove(char *, char *, int);
int strlen(char *);
void StripDoubleQuotes(char *string) {
  if (*string == '\"') {
    memmove(string, string + 1, strlen(string));
  }
  if (string[strlen(string) - 1] == '\"') {
    string[strlen(string) - 1] = '\0';
  }
}


x86 assembly (clang, -O0):
<StripDoubleQuotes>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rax
movsbl (%rax),%eax
cmp    $0x22,%eax
jne    1168 <StripDoubleQuotes+0x48>
mov    -0x8(%rbp),%rax
mov    %rax,-0x18(%rbp)
mov    -0x8(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x10(%rbp)
mov    -0x8(%rbp),%rdi
call   1030 <strlen@plt>
mov    -0x18(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    %eax,%edx
call   1040 <memmove@plt>
mov    -0x8(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x8(%rbp),%rdi
call   1030 <strlen@plt>
mov    %eax,%ecx
mov    -0x20(%rbp),%rax
sub    $0x1,%ecx
movslq %ecx,%rcx
movsbl (%rax,%rcx,1),%eax
cmp    $0x22,%eax
jne    11b3 <StripDoubleQuotes+0x93>
mov    -0x8(%rbp),%rax
mov    %rax,-0x28(%rbp)
mov    -0x8(%rbp),%rdi
call   1030 <strlen@plt>
mov    %eax,%ecx
mov    -0x28(%rbp),%rax
sub    $0x1,%ecx
movslq %ecx,%rcx
movb   $0x0,(%rax,%rcx,1)
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<StripDoubleQuotes>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%rbx
cmpb   $0x22,(%rdi)
jne    1145 <StripDoubleQuotes+0x25>
lea    0x1(%rbx),%r14
mov    %rbx,%rdi
call   1030 <strlen@plt>
mov    %rbx,%rdi
mov    %r14,%rsi
mov    %eax,%edx
call   1040 <memmove@plt>
mov    %rbx,%rdi
call   1030 <strlen@plt>
cltq
cmpb   $0x22,-0x1(%rax,%rbx,1)
jne    1165 <StripDoubleQuotes+0x45>
mov    %rbx,%rdi
call   1030 <strlen@plt>
cltq
movb   $0x0,-0x1(%rax,%rbx,1)
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
define void @StripDoubleQuotes(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = load i8, i8* %3
%5 = sext i8 %4 to i32
%6 = icmp eq i32 %5, 34
br i1 %6, label %7, label %14
7: ; preds = %1
%8 = load i8*, i8** %2
%9 = load i8*, i8** %2
%10 = getelementptr inbounds i8, i8* %9, i64 1
%11 = load i8*, i8** %2
%12 = call i32 @strlen(i8* %11)
%13 = call i32 @memmove(i8* %8, i8* %10, i32 %12)
br label %14
14: ; preds = %7, %1
%15 = load i8*, i8** %2
%16 = load i8*, i8** %2
%17 = call i32 @strlen(i8* %16)
%18 = sub nsw i32 %17, 1
%19 = sext i32 %18 to i64
%20 = getelementptr inbounds i8, i8* %15, i64 %19
%21 = load i8, i8* %20
%22 = sext i8 %21 to i32
%23 = icmp eq i32 %22, 34
br i1 %23, label %24, label %31
24: ; preds = %14
%25 = load i8*, i8** %2
%26 = load i8*, i8** %2
%27 = call i32 @strlen(i8* %26)
%28 = sub nsw i32 %27, 1
%29 = sext i32 %28 to i64
%30 = getelementptr inbounds i8, i8* %25, i64 %29
store i8 0, i8* %30
br label %31
31: ; preds = %24, %14
ret void
}

LLVM IR (-O2):
define void @StripDoubleQuotes(i8* %0) {
%2 = load i8, i8* %0
%3 = icmp eq i8 %2, 34
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = getelementptr inbounds i8, i8* %0, i64 1
%6 = tail call i32 @strlen(i8* %0)
%7 = tail call i32 @memmove(i8* %0, i8* %5, i32 %6)
br label %8
8: ; preds = %4, %1
%9 = tail call i32 @strlen(i8* %0)
%10 = add nsw i32 %9, -1
%11 = sext i32 %10 to i64
%12 = getelementptr inbounds i8, i8* %0, i64 %11
%13 = load i8, i8* %12
%14 = icmp eq i8 %13, 34
br i1 %14, label %15, label %20
15: ; preds = %8
%16 = tail call i32 @strlen(i8* %0)
%17 = add nsw i32 %16, -1
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds i8, i8* %0, i64 %18
store i8 0, i8* %19
br label %20
20: ; preds = %15, %8
ret void
}