Aatch

%struct.Foo = type { i64 }

define void @_ZN14__extensions__9meth_29568finalize16_d7d397690bb61803_00E({ i64, %tydesc*, i8*, i8*, i8 }*) #1 {
static_allocas:
  br label %1

; <label>:1                                       ; preds = %static_allocas
  br label %return

return:                                           ; preds = %1

Aatch

#[allow(default_methods)];

pub enum ParseResult<T> {
    Err(ParseError),
    Ok(T)
}

pub trait GenParser<T,S,A> {

    pub fn parse<Tok:TokenStream<T>>(&mut self, &mut ParseState<Tok, S>) -> ParseResult<A>;

Aatch

; Function Attrs: uwtable
define internal fastcc void @_ZN4main16_d7d397690bb61803_00E() #1 {
static_allocas:
  %tmp.i = alloca { i64, %tydesc*, {}*, {}*, { i64* } }, align 8
  %tmp5 = alloca i64, align 8
  %tmp13 = bitcast i64* %tmp5 to i8*
  call void @llvm.lifetime.start(i64 8, i8* %tmp13)
  store i64 543210, i64* %tmp5, align 8
  %0 = bitcast { i64, %tydesc*, {}*, {}*, { i64* } }* %tmp.i to i8*
  call void @llvm.lifetime.start(i64 40, i8* %0)

Aatch

enum opaque {}

trait thing {
    pub fn foo(&self);
}

impl thing for opaque {
    pub fn foo(&self) {
        unsafe {
            let o : *[int,..8] = std::cast::transmute(self);

Aatch

#[allow(default_methods)];

extern mod syntax;

use std::os;

use syntax::abi::AbiSet;
use syntax::codemap::span;
use syntax::parse;
use syntax::opt_vec;

Aatch

execve("./test", ["./test"], [/* 54 vars */]) = 0
brk(0)                                  = 0x6f8000
readlink("/proc/self/exe", "/home/james/tmp/test", 4096) = 20
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb03fd5d000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/home/james/tmp/../../../usr/local/lib/rustc/x86_64-unknown-linux-gnu/lib/tls/x86_64/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/home/james/tmp/../../../usr/local/lib/rustc/x86_64-unknown-linux-gnu/lib/tls/x86_64", 0x7fff360cf100) = -1 ENOENT (No such file or directory)
open("/home/james/tmp/../../../usr/local/lib/rustc/x86_64-unknown-linux-gnu/lib/tls/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/home/james/tmp/../../../usr/local/lib/rustc/x86_64-unknown-linux-gnu/lib/tls", 0x7fff360cf100) = -1 ENOENT (No such file or directory)
open("/home/james/tmp/../../../usr/local/lib/rustc/x86_64-unknown-linux-gnu/lib

Aatch

#[allow(default_methods)];

trait Foo {
    pub fn visit_crate(&mut self) {
        self.visit_mod([1,2,3])
    }

    pub fn visit_mod(&mut self, a: &[uint]) {
        for a.iter().advance |i| {
            self.visit_item(i);

Aatch

_ZN7rt_exit17_96fb77fd6c6361db3_00E:
	.cfi_startproc
	cmpq	%fs:112, %rsp
	ja	.LBB5_2
	movabsq	$8, %r10
	movabsq	$0, %r11
	callq	__morestack
	ret
.LBB5_2:
	pushq	%rbp

Aatch

Before

Structs

[struct]  	Lifetime: 48
[struct]  	Path: 104
[struct]  	def_id: 16
[struct]  	TyParam: 32
[struct]  	Generics: 16

Aatch

extern mod std;
extern mod syntax;

use syntax::ast::*;
use std::sys::size_of;

macro_rules! type_size (
    (S $t:ident) => (print_type_size::<$t>("struct", stringify!($t)));
    (E $t:ident) => (print_type_size::<$t>("enum", stringify!($t)))
)