#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__ malloc(scalar_t__);
int /*<<< orphan*/ strcat(char *, char const *);
int /*<<< orphan*/ strcpy(char *, char *);
scalar_t__ strlen(char const *);
char *create_double_quote(const char *str) {
  char *tmp;
  tmp = (char *)malloc(strlen(str) + 3);
  if (tmp) {
    strcpy(tmp, "\"");
    strcat(tmp, str);
    strcat(tmp, "\"");
  }
  return tmp;
}


x86 assembly (clang, -O0):
<create_double_quote>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
call   1040 <strlen@plt>
mov    %rax,%rdi
add    $0x3,%rdi
call   1050 <malloc@plt>
mov    %rax,-0x10(%rbp)
cmpq   $0x0,-0x10(%rbp)
je     119d <create_double_quote+0x5d>
mov    -0x10(%rbp),%rdi
lea    0xe85(%rip),%rsi
call   1030 <strcpy@plt>
mov    -0x10(%rbp),%rdi
mov    -0x8(%rbp),%rsi
call   1060 <strcat@plt>
mov    -0x10(%rbp),%rdi
lea    0xe68(%rip),%rsi
call   1060 <strcat@plt>
mov    -0x10(%rbp),%rax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<create_double_quote>:
push   %r15
push   %r14
push   %rbx
mov    %rdi,%r14
call   1040 <strlen@plt>
lea    0x3(%rax),%rdi
call   1050 <malloc@plt>
mov    %rax,%rbx
test   %rax,%rax
je     1186 <create_double_quote+0x46>
lea    0xe9b(%rip),%r15
mov    %rbx,%rdi
mov    %r15,%rsi
call   1030 <strcpy@plt>
mov    %rbx,%rdi
mov    %r14,%rsi
call   1060 <strcat@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1060 <strcat@plt>
mov    %rbx,%rax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [2 x i8] c"\22\00"
define i8* @create_double_quote(i8* %0) {
%2 = alloca i8*
%3 = alloca i8*
store i8* %0, i8** %2
%4 = load i8*, i8** %2
%5 = call i64 @strlen(i8* %4)
%6 = add nsw i64 %5, 3
%7 = call i64 @malloc(i64 %6)
%8 = inttoptr i64 %7 to i8*
store i8* %8, i8** %3
%9 = load i8*, i8** %3
%10 = icmp ne i8* %9, null
br i1 %10, label %11, label %19
11: ; preds = %1
%12 = load i8*, i8** %3
%13 = call i32 @strcpy(i8* %12, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%14 = load i8*, i8** %3
%15 = load i8*, i8** %2
%16 = call i32 @strcat(i8* %14, i8* %15)
%17 = load i8*, i8** %3
%18 = call i32 @strcat(i8* %17, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
br label %19
19: ; preds = %11, %1
%20 = load i8*, i8** %3
ret i8* %20
}

LLVM IR (-O2):
@.str = [2 x i8] c"\22\00"
define i8* @create_double_quote(i8* %0) {
%2 = tail call i64 @strlen(i8* dereferenceable(1) %0)
%3 = add nsw i64 %2, 3
%4 = tail call i64 @malloc(i64 %3)
%5 = inttoptr i64 %4 to i8*
%6 = icmp eq i64 %4, 0
br i1 %6, label %11, label %7
7: ; preds = %1
%8 = tail call i32 @strcpy(i8* %5, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%9 = tail call i32 @strcat(i8* %5, i8* %0)
%10 = tail call i32 @strcat(i8* %5, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
br label %11
11: ; preds = %7, %1
ret i8* %5
}