#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 */
struct typeExp {
  int dummy;
};

/* Variables and functions */
struct typeExp *CreateType(int, char *, struct typeExp *, struct typeExp *);
struct typeExp *NullType(void) {
  return (CreateType(7, "t",
                     CreateType(4, "",
                                CreateType(6, "", CreateType(3, "t", 0, 0), 0),
                                CreateType(1, "", 0, 0)),
                     0));
}


x86 assembly (clang, -O0):
<NullType>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    $0x3,%edi
lea    0xedc(%rip),%rsi
xor    %eax,%eax
mov    %eax,%ecx
mov    %rcx,%rdx
call   1030 <CreateType@plt>
mov    %rax,%rdx
mov    $0x6,%edi
lea    0xec2(%rip),%rsi
xor    %eax,%eax
mov    %eax,%ecx
call   1030 <CreateType@plt>
mov    %rax,-0x8(%rbp)
mov    $0x1,%edi
lea    0xea9(%rip),%rsi
xor    %eax,%eax
mov    %eax,%ecx
mov    %rcx,%rdx
call   1030 <CreateType@plt>
mov    -0x8(%rbp),%rdx
mov    %rax,%rcx
mov    $0x4,%edi
lea    0xe8a(%rip),%rsi
call   1030 <CreateType@plt>
mov    %rax,%rdx
mov    $0x7,%edi
lea    0xe75(%rip),%rsi
xor    %eax,%eax
mov    %eax,%ecx
call   1030 <CreateType@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<NullType>:
push   %r15
push   %r14
push   %rbx
lea    0xee4(%rip),%r14
mov    $0x3,%edi
mov    %r14,%rsi
xor    %edx,%edx
xor    %ecx,%ecx
call   1030 <CreateType@plt>
lea    0xecd(%rip),%r15
mov    $0x6,%edi
mov    %r15,%rsi
mov    %rax,%rdx
xor    %ecx,%ecx
call   1030 <CreateType@plt>
mov    %rax,%rbx
mov    $0x1,%edi
mov    %r15,%rsi
xor    %edx,%edx
xor    %ecx,%ecx
call   1030 <CreateType@plt>
mov    $0x4,%edi
mov    %r15,%rsi
mov    %rbx,%rdx
mov    %rax,%rcx
call   1030 <CreateType@plt>
mov    $0x7,%edi
mov    %r14,%rsi
mov    %rax,%rdx
xor    %ecx,%ecx
pop    %rbx
pop    %r14
pop    %r15
jmp    1030 <CreateType@plt>

LLVM IR (-O0):
%struct.typeExp = type { i32 }
@.str = [2 x i8] c"t\00"
@.str.1 = [1 x i8] zeroinitializer
define %struct.typeExp* @NullType() {
%1 = call %struct.typeExp* @CreateType(i32 3, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), %struct.typeExp* null, %struct.typeExp* null)
%2 = call %struct.typeExp* @CreateType(i32 6, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0), %struct.typeExp* %1, %struct.typeExp* null)
%3 = call %struct.typeExp* @CreateType(i32 1, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0), %struct.typeExp* null, %struct.typeExp* null)
%4 = call %struct.typeExp* @CreateType(i32 4, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0), %struct.typeExp* %2, %struct.typeExp* %3)
%5 = call %struct.typeExp* @CreateType(i32 7, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), %struct.typeExp* %4, %struct.typeExp* null)
ret %struct.typeExp* %5
}

LLVM IR (-O2):
%struct.typeExp = type { i32 }
@.str = [2 x i8] c"t\00"
@.str.1 = [1 x i8] zeroinitializer
define %struct.typeExp* @NullType() {
%1 = tail call %struct.typeExp* @CreateType(i32 3, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), %struct.typeExp* null, %struct.typeExp* null)
%2 = tail call %struct.typeExp* @CreateType(i32 6, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0), %struct.typeExp* %1, %struct.typeExp* null)
%3 = tail call %struct.typeExp* @CreateType(i32 1, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0), %struct.typeExp* null, %struct.typeExp* null)
%4 = tail call %struct.typeExp* @CreateType(i32 4, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0), %struct.typeExp* %2, %struct.typeExp* %3)
%5 = tail call %struct.typeExp* @CreateType(i32 7, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), %struct.typeExp* %4, %struct.typeExp* null)
ret %struct.typeExp* %5
}