#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*/ do_test(char *);
int main(void) {
  do_test("/tmp/t1/t2/t3/t4");
  do_test("/tmp/t1/t2/t3");
  do_test("/tmp/t1/t2");
  do_test("/tmp/t1");
  do_test("/tmp/u1");
  do_test("/tmp/u1/u2");
  do_test("/tmp/u1/u2/u3");
  do_test("/tmp/u1/u2/u3/u4");
  do_test("/tmp/v1/");
  do_test("/tmp/v1/v2/");
  do_test("/tmp/v1/v2/v3/");
  do_test("/tmp/v1/v2/v3/v4/");
  return (0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeda(%rip),%rdi
call   1030 <do_test@plt>
lea    0xedf(%rip),%rdi
call   1030 <do_test@plt>
lea    0xee1(%rip),%rdi
call   1030 <do_test@plt>
lea    0xee0(%rip),%rdi
call   1030 <do_test@plt>
lea    0xedc(%rip),%rdi
call   1030 <do_test@plt>
lea    0xed8(%rip),%rdi
call   1030 <do_test@plt>
lea    0xed7(%rip),%rdi
call   1030 <do_test@plt>
lea    0xed9(%rip),%rdi
call   1030 <do_test@plt>
lea    0xede(%rip),%rdi
call   1030 <do_test@plt>
lea    0xedb(%rip),%rdi
call   1030 <do_test@plt>
lea    0xedb(%rip),%rdi
call   1030 <do_test@plt>
lea    0xede(%rip),%rdi
call   1030 <do_test@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <do_test@plt>
lea    0xeed(%rip),%rdi
call   1030 <do_test@plt>
lea    0xeef(%rip),%rdi
call   1030 <do_test@plt>
lea    0xeee(%rip),%rdi
call   1030 <do_test@plt>
lea    0xeea(%rip),%rdi
call   1030 <do_test@plt>
lea    0xee6(%rip),%rdi
call   1030 <do_test@plt>
lea    0xee5(%rip),%rdi
call   1030 <do_test@plt>
lea    0xee7(%rip),%rdi
call   1030 <do_test@plt>
lea    0xeec(%rip),%rdi
call   1030 <do_test@plt>
lea    0xee9(%rip),%rdi
call   1030 <do_test@plt>
lea    0xee9(%rip),%rdi
call   1030 <do_test@plt>
lea    0xeec(%rip),%rdi
call   1030 <do_test@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [17 x i8] c"/tmp/t1/t2/t3/t4\00"
@.str.1 = [14 x i8] c"/tmp/t1/t2/t3\00"
@.str.2 = [11 x i8] c"/tmp/t1/t2\00"
@.str.3 = [8 x i8] c"/tmp/t1\00"
@.str.4 = [8 x i8] c"/tmp/u1\00"
@.str.5 = [11 x i8] c"/tmp/u1/u2\00"
@.str.6 = [14 x i8] c"/tmp/u1/u2/u3\00"
@.str.7 = [17 x i8] c"/tmp/u1/u2/u3/u4\00"
@.str.8 = [9 x i8] c"/tmp/v1/\00"
@.str.9 = [12 x i8] c"/tmp/v1/v2/\00"
@.str.10 = [15 x i8] c"/tmp/v1/v2/v3/\00"
@.str.11 = [18 x i8] c"/tmp/v1/v2/v3/v4/\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @do_test(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @do_test(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @do_test(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @do_test(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @do_test(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @do_test(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.5, i64 0, i64 0))
%8 = call i32 @do_test(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.6, i64 0, i64 0))
%9 = call i32 @do_test(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.7, i64 0, i64 0))
%10 = call i32 @do_test(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.8, i64 0, i64 0))
%11 = call i32 @do_test(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.9, i64 0, i64 0))
%12 = call i32 @do_test(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.10, i64 0, i64 0))
%13 = call i32 @do_test(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.11, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [17 x i8] c"/tmp/t1/t2/t3/t4\00"
@.str.1 = [14 x i8] c"/tmp/t1/t2/t3\00"
@.str.2 = [11 x i8] c"/tmp/t1/t2\00"
@.str.3 = [8 x i8] c"/tmp/t1\00"
@.str.4 = [8 x i8] c"/tmp/u1\00"
@.str.5 = [11 x i8] c"/tmp/u1/u2\00"
@.str.6 = [14 x i8] c"/tmp/u1/u2/u3\00"
@.str.7 = [17 x i8] c"/tmp/u1/u2/u3/u4\00"
@.str.8 = [9 x i8] c"/tmp/v1/\00"
@.str.9 = [12 x i8] c"/tmp/v1/v2/\00"
@.str.10 = [15 x i8] c"/tmp/v1/v2/v3/\00"
@.str.11 = [18 x i8] c"/tmp/v1/v2/v3/v4/\00"
define i32 @main() {
%1 = tail call i32 @do_test(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 @do_test(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i32 @do_test(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%4 = tail call i32 @do_test(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
%5 = tail call i32 @do_test(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.4, i64 0, i64 0))
%6 = tail call i32 @do_test(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.5, i64 0, i64 0))
%7 = tail call i32 @do_test(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.6, i64 0, i64 0))
%8 = tail call i32 @do_test(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.7, i64 0, i64 0))
%9 = tail call i32 @do_test(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.8, i64 0, i64 0))
%10 = tail call i32 @do_test(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.9, i64 0, i64 0))
%11 = tail call i32 @do_test(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.10, i64 0, i64 0))
%12 = tail call i32 @do_test(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.11, i64 0, i64 0))
ret i32 0
}