#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__ osd_malloc_array(scalar_t__);
int /*<<< orphan*/ strcpy(char *, char const *);
scalar_t__ strlen(char const *);
char *build_full_path(const char *path, const char *file) {
  char *ret = (char *)osd_malloc_array(strlen(path) + strlen(file) + 2);
  char *p = ret;
  strcpy(p, path);
  p += strlen(path);
  *p++ = '/';
  strcpy(p, file);
  return ret;
}


x86 assembly (clang, -O0):
<build_full_path>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    -0x8(%rbp),%rdi
call   1040 <strlen@plt>
mov    %rax,-0x28(%rbp)
mov    -0x10(%rbp),%rdi
call   1040 <strlen@plt>
mov    -0x28(%rbp),%rdi
add    %rax,%rdi
add    $0x2,%rdi
call   1050 <osd_malloc_array@plt>
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rdi
mov    -0x8(%rbp),%rsi
call   1030 <strcpy@plt>
mov    -0x8(%rbp),%rdi
call   1040 <strlen@plt>
add    -0x20(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rax
mov    %rax,%rcx
add    $0x1,%rcx
mov    %rcx,-0x20(%rbp)
movb   $0x2f,(%rax)
mov    -0x20(%rbp),%rdi
mov    -0x10(%rbp),%rsi
call   1030 <strcpy@plt>
mov    -0x18(%rbp),%rax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<build_full_path>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    %rsi,%r14
mov    %rdi,%r12
call   1040 <strlen@plt>
mov    %rax,%r15
mov    %r14,%rdi
call   1040 <strlen@plt>
lea    (%r15,%rax,1),%rdi
add    $0x2,%rdi
call   1050 <osd_malloc_array@plt>
mov    %rax,%rbx
mov    %rax,%rdi
mov    %r12,%rsi
call   1030 <strcpy@plt>
mov    %r12,%rdi
call   1040 <strlen@plt>
lea    (%rbx,%rax,1),%rdi
add    $0x1,%rdi
movb   $0x2f,(%rbx,%rax,1)
mov    %r14,%rsi
call   1030 <strcpy@plt>
mov    %rbx,%rax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
define i8* @build_full_path(i8* %0, i8* %1) {
%3 = alloca i8*
%4 = alloca i8*
%5 = alloca i8*
%6 = alloca i8*
store i8* %0, i8** %3
store i8* %1, i8** %4
%7 = load i8*, i8** %3
%8 = call i64 @strlen(i8* %7)
%9 = load i8*, i8** %4
%10 = call i64 @strlen(i8* %9)
%11 = add nsw i64 %8, %10
%12 = add nsw i64 %11, 2
%13 = call i64 @osd_malloc_array(i64 %12)
%14 = inttoptr i64 %13 to i8*
store i8* %14, i8** %5
%15 = load i8*, i8** %5
store i8* %15, i8** %6
%16 = load i8*, i8** %6
%17 = load i8*, i8** %3
%18 = call i32 @strcpy(i8* %16, i8* %17)
%19 = load i8*, i8** %3
%20 = call i64 @strlen(i8* %19)
%21 = load i8*, i8** %6
%22 = getelementptr inbounds i8, i8* %21, i64 %20
store i8* %22, i8** %6
%23 = load i8*, i8** %6
%24 = getelementptr inbounds i8, i8* %23, i32 1
store i8* %24, i8** %6
store i8 47, i8* %23
%25 = load i8*, i8** %6
%26 = load i8*, i8** %4
%27 = call i32 @strcpy(i8* %25, i8* %26)
%28 = load i8*, i8** %5
ret i8* %28
}

LLVM IR (-O2):
define i8* @build_full_path(i8* %0, i8* %1) {
%3 = tail call i64 @strlen(i8* dereferenceable(1) %0)
%4 = tail call i64 @strlen(i8* dereferenceable(1) %1)
%5 = add i64 %3, 2
%6 = add i64 %5, %4
%7 = tail call i64 @osd_malloc_array(i64 %6)
%8 = inttoptr i64 %7 to i8*
%9 = tail call i32 @strcpy(i8* %8, i8* %0)
%10 = tail call i64 @strlen(i8* dereferenceable(1) %0)
%11 = getelementptr inbounds i8, i8* %8, i64 %10
%12 = getelementptr inbounds i8, i8* %11, i64 1
store i8 47, i8* %11
%13 = tail call i32 @strcpy(i8* %12, i8* %1)
ret i8* %8
}