#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 */
char *malloc(scalar_t__);
char *mkdtemp(char *);
int /*<<< orphan*/ strcat(char *, char const *);
int /*<<< orphan*/ strcpy(char *, char const *);
scalar_t__ strlen(char const *);
char *__setup_tempdir(const char *dir, const char *tag) {
  char *fpath;
  fpath = malloc(strlen(dir) + strlen(tag) + 9);
  if (!fpath) {
    return NULL;
  }
  strcpy(fpath, dir);
  strcat(fpath, "/");
  strcat(fpath, tag);
  strcat(fpath, ".XXXXXX");
  return mkdtemp(fpath);
}


x86 assembly (clang, -O0):
<__setup_tempdir>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    -0x10(%rbp),%rdi
call   1040 <strlen@plt>
mov    %rax,-0x28(%rbp)
mov    -0x18(%rbp),%rdi
call   1040 <strlen@plt>
mov    -0x28(%rbp),%rdi
add    %rax,%rdi
add    $0x9,%rdi
call   1050 <malloc@plt>
mov    %rax,-0x20(%rbp)
cmpq   $0x0,-0x20(%rbp)
jne    11a2 <__setup_tempdir+0x52>
movq   $0x0,-0x8(%rbp)
jmp    11e9 <__setup_tempdir+0x99>
mov    -0x20(%rbp),%rdi
mov    -0x10(%rbp),%rsi
call   1030 <strcpy@plt>
mov    -0x20(%rbp),%rdi
lea    0xe46(%rip),%rsi
call   1070 <strcat@plt>
mov    -0x20(%rbp),%rdi
mov    -0x18(%rbp),%rsi
call   1070 <strcat@plt>
mov    -0x20(%rbp),%rdi
lea    0xe2b(%rip),%rsi
call   1070 <strcat@plt>
mov    -0x20(%rbp),%rdi
call   1060 <mkdtemp@plt>
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<__setup_tempdir>:
push   %r15
push   %r14
push   %rbx
mov    %rsi,%r14
mov    %rdi,%r15
call   1040 <strlen@plt>
mov    %rax,%rbx
mov    %r14,%rdi
call   1040 <strlen@plt>
lea    (%rbx,%rax,1),%rdi
add    $0x9,%rdi
call   1050 <malloc@plt>
test   %rax,%rax
je     11c1 <__setup_tempdir+0x71>
mov    %rax,%rbx
mov    %rax,%rdi
mov    %r15,%rsi
call   1030 <strcpy@plt>
lea    0xe6e(%rip),%rsi
mov    %rbx,%rdi
call   1070 <strcat@plt>
mov    %rbx,%rdi
mov    %r14,%rsi
call   1070 <strcat@plt>
lea    0xe56(%rip),%rsi
mov    %rbx,%rdi
call   1070 <strcat@plt>
mov    %rbx,%rdi
pop    %rbx
pop    %r14
pop    %r15
jmp    1060 <mkdtemp@plt>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [2 x i8] c"/\00"
@.str.1 = [8 x i8] c".XXXXXX\00"
define i8* @__setup_tempdir(i8* %0, i8* %1) {
%3 = alloca i8*
%4 = alloca i8*
%5 = alloca i8*
%6 = alloca i8*
store i8* %0, i8** %4
store i8* %1, i8** %5
%7 = load i8*, i8** %4
%8 = call i64 @strlen(i8* %7)
%9 = load i8*, i8** %5
%10 = call i64 @strlen(i8* %9)
%11 = add nsw i64 %8, %10
%12 = add nsw i64 %11, 9
%13 = call i8* @malloc(i64 %12)
store i8* %13, i8** %6
%14 = load i8*, i8** %6
%15 = icmp ne i8* %14, null
br i1 %15, label %17, label %16
16: ; preds = %2
store i8* null, i8** %3
br label %30
17: ; preds = %2
%18 = load i8*, i8** %6
%19 = load i8*, i8** %4
%20 = call i32 @strcpy(i8* %18, i8* %19)
%21 = load i8*, i8** %6
%22 = call i32 @strcat(i8* %21, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%23 = load i8*, i8** %6
%24 = load i8*, i8** %5
%25 = call i32 @strcat(i8* %23, i8* %24)
%26 = load i8*, i8** %6
%27 = call i32 @strcat(i8* %26, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%28 = load i8*, i8** %6
%29 = call i8* @mkdtemp(i8* %28)
store i8* %29, i8** %3
br label %30
30: ; preds = %17, %16
%31 = load i8*, i8** %3
ret i8* %31
}

LLVM IR (-O2):
@.str = [2 x i8] c"/\00"
@.str.1 = [8 x i8] c".XXXXXX\00"
define i8* @__setup_tempdir(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, 9
%6 = add i64 %5, %4
%7 = tail call i8* @malloc(i64 %6)
%8 = icmp eq i8* %7, null
br i1 %8, label %15, label %9
9: ; preds = %2
%10 = tail call i32 @strcpy(i8* %7, i8* %0)
%11 = tail call i32 @strcat(i8* %7, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%12 = tail call i32 @strcat(i8* %7, i8* %1)
%13 = tail call i32 @strcat(i8* %7, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%14 = tail call i8* @mkdtemp(i8* %7)
br label %15
15: ; preds = %2, %9
%16 = phi i8* [ %14, %9 ], [ null, %2 ]
ret i8* %16
}