#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 main(int argc, char *argv[]) {
  printf("// --- Hello World in D ---\n");
  printf("\n");
  printf("module hello_world;\n");
  printf("import std.stdio;\n");
  printf("\n");
  printf("void main(string[] args) \n");
  printf("{ \n");
  printf("  writefln(\"Hello World\");\n");
  printf("}\n");
  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    0xed3(%rip),%rdi
call   1030 <printf@plt>
lea    0xf25(%rip),%rdi
call   1030 <printf@plt>
lea    0xed8(%rip),%rdi
call   1030 <printf@plt>
lea    0xee1(%rip),%rdi
call   1030 <printf@plt>
lea    0xf01(%rip),%rdi
call   1030 <printf@plt>
lea    0xedc(%rip),%rdi
call   1030 <printf@plt>
lea    0xeeb(%rip),%rdi
call   1030 <printf@plt>
lea    0xee3(%rip),%rdi
call   1030 <printf@plt>
lea    0xef3(%rip),%rdi
call   1030 <printf@plt>
lea    0xec5(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xede(%rip),%rdi
call   1040 <puts@plt>
lea    0xee6(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xee2(%rip),%rdi
call   1040 <puts@plt>
lea    0xef0(%rip),%rdi
call   1040 <puts@plt>
lea    0xee7(%rip),%rdi
call   1040 <puts@plt>
lea    0xef6(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [29 x i8] c"// --- Hello World in D ---\0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [21 x i8] c"module hello_world;\0A\00"
@.str.3 = [19 x i8] c"import std.stdio;\0A\00"
@.str.4 = [27 x i8] c"void main(string[] args) \0A\00"
@.str.5 = [4 x i8] c"{ \0A\00"
@.str.6 = [28 x i8] c" writefln(\22Hello World\22);\0A\00"
@.str.7 = [3 x i8] c"}\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 ([29 x i8], [29 x i8]* @.str, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.4, i64 0, i64 0))
%12 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.5, i64 0, i64 0))
%13 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.6, i64 0, i64 0))
%14 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0))
%15 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@str = [28 x i8] c"// --- Hello World in D ---\00"
@str.8 = [20 x i8] c"module hello_world;\00"
@str.9 = [18 x i8] c"import std.stdio;\00"
@str.10 = [26 x i8] c"void main(string[] args) \00"
@str.11 = [3 x i8] c"{ \00"
@str.12 = [27 x i8] c" writefln(\22Hello World\22);\00"
@str.13 = [2 x i8] c"}\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @putchar(i32 10)
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str.9, i64 0, i64 0))
%7 = tail call i32 @putchar(i32 10)
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.10, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @str.11, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.12, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str.13, i64 0, i64 0))
%12 = tail call i32 @putchar(i32 10)
ret i32 0
}