#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*/ printf(char *);
int /*<<< orphan*/ test_circular();
int /*<<< orphan*/ test_list();
int /*<<< orphan*/ test_queue();
int main(int argc, char *argv[]) {
  printf("Test list...\n");
  test_list();
  printf("________________________\n");
  printf("Test queue...\n");
  test_queue();
  printf("________________________\n");
  printf("Test circular...\n");
  test_circular();
  printf("________________________\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xea3(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1040 <test_list@plt>
lea    0xe9e(%rip),%rdi
call   1030 <printf@plt>
lea    0xeac(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1050 <test_queue@plt>
lea    0xe7f(%rip),%rdi
call   1030 <printf@plt>
lea    0xe9c(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1060 <test_circular@plt>
lea    0xe60(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xeb8(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1040 <test_list@plt>
lea    0xed1(%rip),%rbx
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xea3(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1050 <test_queue@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xe96(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1060 <test_circular@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [14 x i8] c"Test list...\0A\00"
@.str.1 = [26 x i8] c"________________________\0A\00"
@.str.2 = [15 x i8] c"Test queue...\0A\00"
@.str.3 = [18 x i8] c"Test circular...\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = call i32 @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0))
%7 = call i32 (...) @test_list()
%8 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0))
%10 = call i32 (...) @test_queue()
%11 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0))
%12 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0))
%13 = call i32 (...) @test_circular()
%14 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@str = [13 x i8] c"Test list...\00"
@str.5 = [14 x i8] c"Test queue...\00"
@str.7 = [17 x i8] c"Test circular...\00"
@str.8 = [25 x i8] c"________________________\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 (...) @test_list()
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.5, i64 0, i64 0))
%7 = tail call i32 (...) @test_queue()
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str.8, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str.7, i64 0, i64 0))
%10 = tail call i32 (...) @test_circular()
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str.8, i64 0, i64 0))
ret i32 0
}