Research GitLab has introduced a user quota limitation. The new rule limits each user to have 50 Gb. The quota doesn't restrict group projects. If you have any concern with this, please talk to CECS Gitlab Admin at N110 (b) CSIT building.

muirbuilder.rs 73.5 KB
Newer Older
1
use super::common::*;
2
use ast::op::*;
3
use ast::inst::*;
4
use utils::LinkedHashMap;
5
use std;
6

7
pub struct MuIRBuilder {
8
    /// ref to MuVM
9
    mvm: *const MuVM,
10 11 12 13 14 15 16 17 18 19 20 21

    /// Point to the C-visible CMuIRBuilder so that `load` and `abort` can deallocate itself.
    pub c_struct: *mut CMuIRBuilder,

    /// Map IDs to names. Items are inserted during `gen_sym`. MuIRBuilder is supposed to be used
    /// by one thread, so there is no need for locking.
    id_name_map: HashMap<MuID, MuName>,

    /// The "trantient bundle" includes everything being built here.
    bundle: TrantientBundle,
}

22
pub type IdBMap<T> = HashMap<MuID, Box<T>>;
23 24 25 26

/// A trantient bundle, i.e. the bundle being built, but not yet loaded into the MuVM.
#[derive(Default)]
pub struct TrantientBundle {
27 28 29 30 31 32 33 34 35 36 37 38
    types: IdBMap<NodeType>,
    sigs: IdBMap<NodeFuncSig>,
    consts: IdBMap<NodeConst>,
    globals: IdBMap<NodeGlobalCell>,
    funcs: IdBMap<NodeFunc>,
    expfuncs: IdBMap<NodeExpFunc>,
    funcvers: IdBMap<NodeFuncVer>,
    bbs: IdBMap<NodeBB>,
    insts: IdBMap<NodeInst>,
    dest_clauses: IdBMap<NodeDestClause>,
    exc_clauses: IdBMap<NodeExcClause>,
    ka_clauses: IdBMap<NodeKeepaliveClause>,
39 40
}

41 42
impl MuIRBuilder {
    pub fn new(mvm: *const MuVM) -> Box<MuIRBuilder> {
43 44 45 46 47 48 49
        Box::new(MuIRBuilder {
            mvm: mvm,
            c_struct: ptr::null_mut(),
            id_name_map: Default::default(),
            bundle: Default::default(),
        })
    }
50

51
    #[inline(always)]
52 53 54
    fn get_mvm<'a, 'b>(&'a mut self) -> &'b MuVM {
        //self.mvm
        unsafe { & *self.mvm }
55 56
    }

57 58 59 60 61
    #[inline(always)]
    fn get_mvm_immutable<'a, 'b>(&'a self) -> &'b MuVM {
        unsafe { & *self.mvm }
    }

62
    #[inline(always)]
63
    fn get_vm<'a, 'b>(&'a mut self) -> &'b VM {
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
        &self.get_mvm().vm
    }

    #[inline(always)]
    fn next_id(&mut self) -> MuID {
        self.get_vm().next_id()
    }

    fn deallocate(&mut self) {
        let c_struct = self.c_struct;
        let b_ptr = self as *mut MuIRBuilder;
        debug!("Deallocating MuIRBuilder {:?} and CMuIRBuilder {:?}...", b_ptr, c_struct);
        unsafe {
            Box::from_raw(c_struct);
            Box::from_raw(b_ptr);
        }
    }

    /// Get the Mu name of the `id`. This will consume the entry in the `id_name_map`. For this
    /// reason, this function is only called when the actual MuEntity that has this ID is created
    /// (such as `new_type_int`).
    fn consume_name_of(&mut self, id: MuID) -> Option<MuName> {
        self.id_name_map.remove(&id)
    }

    pub fn load(&mut self) {
        load_bundle(self);
        self.deallocate();
    }

    pub fn abort(&mut self) {
        info!("Aborting boot image building...");
        self.deallocate();
    }

    pub fn gen_sym(&mut self, name: Option<String>) -> MuID {
        let my_id = self.next_id();

        debug!("gen_sym({:?}) -> {}", name, my_id);

        match name {
            None => {},
            Some(the_name) => {
                let old = self.id_name_map.insert(my_id, the_name);
                debug_assert!(old.is_none(), "ID already exists: {}, new name: {}, old name: {}",
                my_id, self.id_name_map.get(&my_id).unwrap(), old.unwrap());
            },
        };

        my_id
    }

    pub fn new_type_int(&mut self, id: MuID, len: c_int) {
        self.bundle.types.insert(id, Box::new(NodeType::TypeInt { id: id, len: len }));
    }

    pub fn new_type_float(&mut self, id: MuID) {
121
        self.bundle.types.insert(id, Box::new(NodeType::TypeFloat { id: id }));
122 123 124
    }

    pub fn new_type_double(&mut self, id: MuID) {
125
        self.bundle.types.insert(id, Box::new(NodeType::TypeDouble { id: id }));
126 127 128 129 130 131 132 133
    }

    pub fn new_type_uptr(&mut self, id: MuID, ty: MuID) {
        self.bundle.types.insert(id, Box::new(NodeType::TypeUPtr{ id: id,
            ty: ty }));
    }

    pub fn new_type_ufuncptr(&mut self, id: MuID, sig: MuID) {
Kunshan Wang's avatar
Kunshan Wang committed
134 135
        self.bundle.types.insert(id, Box::new(NodeType::TypeUFuncPtr{ id: id,
            sig: sig }));
136 137 138 139 140 141 142 143
    }

    pub fn new_type_struct(&mut self, id: MuID, fieldtys: Vec<MuID>) {
        self.bundle.types.insert(id, Box::new(NodeType::TypeStruct { id: id,
            fieldtys: fieldtys }));
    }

    pub fn new_type_hybrid(&mut self, id: MuID, fixedtys: Vec<MuID>, varty: MuID) {
144 145
        self.bundle.types.insert(id, Box::new(NodeType::TypeHybrid { id: id,
            fixedtys: fixedtys, varty: varty }));
146 147 148
    }

    pub fn new_type_array(&mut self, id: MuID, elemty: MuID, len: u64) {
149 150
        self.bundle.types.insert(id, Box::new(NodeType::TypeArray { id: id,
            elemty: elemty, len: len as usize }));
151 152 153
    }

    pub fn new_type_vector(&mut self, id: MuID, elemty: MuID, len: u64) {
154 155
        self.bundle.types.insert(id, Box::new(NodeType::TypeVector { id: id,
            elemty: elemty, len: len as usize }));
156 157 158
    }

    pub fn new_type_void(&mut self, id: MuID) {
159
        self.bundle.types.insert(id, Box::new(NodeType::TypeVoid { id: id }));
160 161 162
    }

    pub fn new_type_ref(&mut self, id: MuID, ty: MuID) {
163 164
        self.bundle.types.insert(id, Box::new(NodeType::TypeRef{ id: id,
            ty: ty }));
165 166 167
    }

    pub fn new_type_iref(&mut self, id: MuID, ty: MuID) {
168 169
        self.bundle.types.insert(id, Box::new(NodeType::TypeIRef{ id: id,
            ty: ty }));
170 171 172
    }

    pub fn new_type_weakref(&mut self, id: MuID, ty: MuID) {
173 174
        self.bundle.types.insert(id, Box::new(NodeType::TypeWeakRef{ id: id,
            ty: ty }));
175 176 177
    }

    pub fn new_type_funcref(&mut self, id: MuID, sig: MuID) {
178 179
        self.bundle.types.insert(id, Box::new(NodeType::TypeFuncRef{ id: id,
            sig: sig }));
180 181 182
    }

    pub fn new_type_tagref64(&mut self, id: MuID) {
183
        self.bundle.types.insert(id, Box::new(NodeType::TypeTagRef64 { id: id }));
184 185 186
    }

    pub fn new_type_threadref(&mut self, id: MuID) {
187
        self.bundle.types.insert(id, Box::new(NodeType::TypeThreadRef { id: id }));
188 189 190
    }

    pub fn new_type_stackref(&mut self, id: MuID) {
191
        self.bundle.types.insert(id, Box::new(NodeType::TypeStackRef { id: id }));
192 193 194
    }

    pub fn new_type_framecursorref(&mut self, id: MuID) {
195
        self.bundle.types.insert(id, Box::new(NodeType::TypeFrameCursorRef { id: id }));
196 197 198
    }

    pub fn new_type_irbuilderref(&mut self, id: MuID) {
199
        self.bundle.types.insert(id, Box::new(NodeType::TypeIRBuilderRef { id: id }));
200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216
    }

    pub fn new_funcsig(&mut self, id: MuID, paramtys: Vec<MuID>, rettys: Vec<MuID>) {
        self.bundle.sigs.insert(id, Box::new(NodeFuncSig { id: id,
            paramtys: paramtys, rettys: rettys }));
    }

    pub fn new_const_int(&mut self, id: MuID, ty: MuID, value: u64) {
        self.bundle.consts.insert(id, Box::new(NodeConst::ConstInt { id: id,
            ty: ty, value: value }));
    }

    pub fn new_const_int_ex(&mut self, id: MuID, ty: MuID, values: &[u64]) {
        panic!("Not implemented")
    }

    pub fn new_const_float(&mut self, id: MuID, ty: MuID, value: f32) {
217 218
        self.bundle.consts.insert(id, Box::new(NodeConst::ConstFloat { id: id,
            ty: ty, value: value }));
219 220 221
    }

    pub fn new_const_double(&mut self, id: MuID, ty: MuID, value: f64) {
222 223
        self.bundle.consts.insert(id, Box::new(NodeConst::ConstDouble { id: id,
            ty: ty, value: value }));
224 225 226
    }

    pub fn new_const_null(&mut self, id: MuID, ty: MuID) {
227 228
        self.bundle.consts.insert(id, Box::new(NodeConst::ConstNull { id: id,
            ty: ty }));
229 230 231
    }

    pub fn new_const_seq(&mut self, id: MuID, ty: MuID, elems: Vec<MuID>) {
232 233
        self.bundle.consts.insert(id, Box::new(NodeConst::ConstSeq { id: id,
            ty: ty, elems: elems }));
234 235 236
    }

    pub fn new_const_extern(&mut self, id: MuID, ty: MuID, symbol: String) {
237 238
        self.bundle.consts.insert(id, Box::new(NodeConst::ConstExtern { id: id,
            ty: ty, symbol: symbol }));
239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261
    }

    pub fn new_global_cell(&mut self, id: MuID, ty: MuID) {
        self.bundle.globals.insert(id, Box::new(NodeGlobalCell { id: id,
            ty: ty }));
    }

    pub fn new_func(&mut self, id: MuID, sig: MuID) {
        self.bundle.funcs.insert(id, Box::new(NodeFunc { id: id,
            sig: sig }));
    }

    pub fn new_exp_func(&mut self, id: MuID, func: MuID, callconv: CMuCallConv, cookie: MuID) {
        panic!("Not implemented")
    }

    pub fn new_func_ver(&mut self, id: MuID, func: MuID, bbs: Vec<MuID>) {
        self.bundle.funcvers.insert(id, Box::new(NodeFuncVer { id: id,
            func: func, bbs: bbs }));
    }

    pub fn new_bb(&mut self, id: MuID, nor_param_ids: Vec<MuID>, nor_param_types: Vec<MuID>, exc_param_id: Option<MuID>, insts: Vec<MuID>) {
        self.bundle.bbs.insert(id, Box::new(NodeBB { id: id,
262 263
            nor_param_ids: nor_param_ids, nor_param_types: nor_param_types,
            exc_param_id: exc_param_id, insts: insts }));
264 265 266
    }

    pub fn new_dest_clause(&mut self, id: MuID, dest: MuID, vars: Vec<MuID>) {
267 268
        self.bundle.dest_clauses.insert(id, Box::new(NodeDestClause { id: id,
            dest: dest, vars: vars }));
269 270 271
    }

    pub fn new_exc_clause(&mut self, id: MuID, nor: MuID, exc: MuID) {
272 273
        self.bundle.exc_clauses.insert(id, Box::new(NodeExcClause { id: id,
            nor: nor, exc: exc }));
274 275 276
    }

    pub fn new_keepalive_clause(&mut self, id: MuID, vars: Vec<MuID>) {
277 278
        self.bundle.ka_clauses.insert(id, Box::new(NodeKeepaliveClause { id: id,
            vars: vars }));
279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296
    }

    pub fn new_csc_ret_with(&mut self, id: MuID, rettys: Vec<MuID>) {
        panic!("Not implemented")
    }

    pub fn new_csc_kill_old(&mut self, id: MuID) {
        panic!("Not implemented")
    }

    pub fn new_nsc_pass_values(&mut self, id: MuID, tys: Vec<MuID>, vars: Vec<MuID>) {
        panic!("Not implemented")
    }

    pub fn new_nsc_throw_exc(&mut self, id: MuID, exc: MuID) {
        panic!("Not implemented")
    }

297 298 299 300 301
    #[inline(always)]
    fn add_inst(&mut self, id: MuID, inst: NodeInst) {
        self.bundle.insts.insert(id, Box::new(inst));
    }

302
    pub fn new_binop(&mut self, id: MuID, result_id: MuID, optr: CMuBinOptr, ty: MuID, opnd1: MuID, opnd2: MuID, exc_clause: Option<MuID>) {
303 304
        self.add_inst(id, NodeInst::NodeBinOp {
            id: id, result_id: result_id, status_result_ids: vec![],
305
            optr: optr, flags: 0, ty: ty, opnd1: opnd1, opnd2: opnd2,
306 307
            exc_clause: exc_clause
        });
308 309 310 311 312 313 314
    }

    pub fn new_binop_with_status(&mut self, id: MuID, result_id: MuID, status_result_ids: Vec<MuID>, optr: CMuBinOptr, status_flags: CMuBinOpStatus, ty: MuID, opnd1: MuID, opnd2: MuID, exc_clause: Option<MuID>) {
        panic!("Not implemented")
    }

    pub fn new_cmp(&mut self, id: MuID, result_id: MuID, optr: CMuCmpOptr, ty: MuID, opnd1: MuID, opnd2: MuID) {
315 316 317 318
        self.add_inst(id, NodeInst::NodeCmp {
            id: id, result_id: result_id,
            optr: optr, ty: ty, opnd1: opnd1, opnd2: opnd2
        });
319 320 321
    }

    pub fn new_conv(&mut self, id: MuID, result_id: MuID, optr: CMuConvOptr, from_ty: MuID, to_ty: MuID, opnd: MuID) {
322 323 324 325
        self.add_inst(id, NodeInst::NodeConv {
            id: id, result_id: result_id,
            optr: optr, from_ty: from_ty, to_ty: to_ty, opnd: opnd
        });
326 327 328
    }

    pub fn new_select(&mut self, id: MuID, result_id: MuID, cond_ty: MuID, opnd_ty: MuID, cond: MuID, if_true: MuID, if_false: MuID) {
329 330 331 332 333
        self.add_inst(id, NodeInst::NodeSelect {
            id: id, result_id: result_id,
            cond_ty: cond_ty, opnd_ty: opnd_ty, cond: cond,
            if_true: if_true, if_false: if_false
        });
334 335 336
    }

    pub fn new_branch(&mut self, id: MuID, dest: MuID) {
337 338 339
        self.add_inst(id, NodeInst::NodeBranch {
            id: id, dest: dest
        });
340 341 342
    }

    pub fn new_branch2(&mut self, id: MuID, cond: MuID, if_true: MuID, if_false: MuID) {
343 344 345
        self.add_inst(id, NodeInst::NodeBranch2 {
            id: id, cond: cond, if_true: if_true, if_false: if_false
        });
346 347 348
    }

    pub fn new_switch(&mut self, id: MuID, opnd_ty: MuID, opnd: MuID, default_dest: MuID, cases: Vec<MuID>, dests: Vec<MuID>) {
349 350 351 352
        self.add_inst(id, NodeInst::NodeSwitch {
            id: id, opnd_ty: opnd_ty, opnd: opnd, default_dest: default_dest,
            cases: cases, dests: dests
        });
353 354 355
    }

    pub fn new_call(&mut self, id: MuID, result_ids: Vec<MuID>, sig: MuID, callee: MuID, args: Vec<MuID>, exc_clause: Option<MuID>, keepalive_clause: Option<MuID>) {
356 357 358 359 360
        self.add_inst(id, NodeInst::NodeCall {
            id: id, result_ids: result_ids,
            sig: sig, callee: callee, args: args,
            exc_clause: exc_clause, keepalive_clause: keepalive_clause
        });
361 362 363
    }

    pub fn new_tailcall(&mut self, id: MuID, sig: MuID, callee: MuID, args: Vec<MuID>) {
364 365 366
        self.add_inst(id, NodeInst::NodeTailCall {
            id: id, sig: sig, callee: callee, args: args
        });
367 368 369
    }

    pub fn new_ret(&mut self, id: MuID, rvs: Vec<MuID>) {
370 371 372
        self.add_inst(id, NodeInst::NodeRet {
            id: id, rvs: rvs
        });
373 374 375
    }

    pub fn new_throw(&mut self, id: MuID, exc: MuID) {
376 377 378
        self.add_inst(id, NodeInst::NodeThrow {
            id: id, exc: exc
        });
379 380 381
    }

    pub fn new_extractvalue(&mut self, id: MuID, result_id: MuID, strty: MuID, index: c_int, opnd: MuID) {
382 383 384
        self.add_inst(id, NodeInst::NodeExtractValue {
            id: id, result_id: result_id, strty: strty, index: index, opnd: opnd
        });
385 386 387
    }

    pub fn new_insertvalue(&mut self, id: MuID, result_id: MuID, strty: MuID, index: c_int, opnd: MuID, newval: MuID) {
388 389 390
        self.add_inst(id, NodeInst::NodeInsertValue {
            id: id, result_id: result_id, strty: strty, index: index, opnd: opnd, newval: newval
        });
391 392 393
    }

    pub fn new_extractelement(&mut self, id: MuID, result_id: MuID, seqty: MuID, indty: MuID, opnd: MuID, index: MuID) {
394 395 396
        self.add_inst(id, NodeInst::NodeExtractElement {
            id: id, result_id: result_id, seqty: seqty, indty: indty, opnd: opnd, index: index
        });
397 398 399
    }

    pub fn new_insertelement(&mut self, id: MuID, result_id: MuID, seqty: MuID, indty: MuID, opnd: MuID, index: MuID, newval: MuID) {
400 401 402
        self.add_inst(id, NodeInst::NodeInsertElement {
            id: id, result_id: result_id, seqty: seqty, indty: indty, opnd: opnd, index: index, newval: newval
        });
403 404 405
    }

    pub fn new_shufflevector(&mut self, id: MuID, result_id: MuID, vecty: MuID, maskty: MuID, vec1: MuID, vec2: MuID, mask: MuID) {
406 407 408
        self.add_inst(id, NodeInst::NodeShuffleVector {
            id: id, result_id: result_id, vecty: vecty, maskty: maskty, vec1: vec1, vec2: vec2, mask: mask
        });
409 410 411
    }

    pub fn new_new(&mut self, id: MuID, result_id: MuID, allocty: MuID, exc_clause: Option<MuID>) {
412 413 414
        self.add_inst(id, NodeInst::NodeNew {
            id: id, result_id: result_id, allocty: allocty, exc_clause: exc_clause
        });
415 416 417
    }

    pub fn new_newhybrid(&mut self, id: MuID, result_id: MuID, allocty: MuID, lenty: MuID, length: MuID, exc_clause: Option<MuID>) {
418 419 420
        self.add_inst(id, NodeInst::NodeNewHybrid {
            id: id, result_id: result_id, allocty: allocty, lenty: lenty, length: length, exc_clause: exc_clause
        });
421 422 423
    }

    pub fn new_alloca(&mut self, id: MuID, result_id: MuID, allocty: MuID, exc_clause: Option<MuID>) {
424 425 426
        self.add_inst(id, NodeInst::NodeAlloca {
            id: id, result_id: result_id, allocty: allocty, exc_clause: exc_clause
        });
427 428 429
    }

    pub fn new_allocahybrid(&mut self, id: MuID, result_id: MuID, allocty: MuID, lenty: MuID, length: MuID, exc_clause: Option<MuID>) {
430 431 432
        self.add_inst(id, NodeInst::NodeAllocaHybrid {
            id: id, result_id: result_id, allocty: allocty, lenty: lenty, length: length, exc_clause: exc_clause
        });
433 434 435
    }

    pub fn new_getiref(&mut self, id: MuID, result_id: MuID, refty: MuID, opnd: MuID) {
436 437 438
        self.add_inst(id, NodeInst::NodeGetIRef {
            id: id, result_id: result_id, refty: refty, opnd: opnd
        });
439 440 441
    }

    pub fn new_getfieldiref(&mut self, id: MuID, result_id: MuID, is_ptr: bool, refty: MuID, index: c_int, opnd: MuID) {
442 443 444
        self.add_inst(id, NodeInst::NodeGetFieldIRef {
            id: id, result_id: result_id, is_ptr: is_ptr, refty: refty, index: index, opnd: opnd
        });
445 446 447
    }

    pub fn new_getelemiref(&mut self, id: MuID, result_id: MuID, is_ptr: bool, refty: MuID, indty: MuID, opnd: MuID, index: MuID) {
448 449 450
        self.add_inst(id, NodeInst::NodeGetElemIRef {
            id: id, result_id: result_id, is_ptr: is_ptr, refty: refty, indty: indty, opnd: opnd, index: index
        });
451 452 453
    }

    pub fn new_shiftiref(&mut self, id: MuID, result_id: MuID, is_ptr: bool, refty: MuID, offty: MuID, opnd: MuID, offset: MuID) {
454 455 456
        self.add_inst(id, NodeInst::NodeShiftIRef {
            id: id, result_id: result_id, is_ptr: is_ptr, refty: refty, offty: offty, opnd: opnd, offset: offset
        });
457 458 459
    }

    pub fn new_getvarpartiref(&mut self, id: MuID, result_id: MuID, is_ptr: bool, refty: MuID, opnd: MuID) {
460 461 462
        self.add_inst(id, NodeInst::NodeGetVarPartIRef {
            id: id, result_id: result_id, is_ptr: is_ptr, refty: refty, opnd: opnd
        });
463 464 465
    }

    pub fn new_load(&mut self, id: MuID, result_id: MuID, is_ptr: bool, ord: CMuMemOrd, refty: MuID, loc: MuID, exc_clause: Option<MuID>) {
466 467 468
        self.add_inst(id, NodeInst::NodeLoad {
            id: id, result_id: result_id, is_ptr: is_ptr, ord: ord, refty: refty, loc: loc, exc_clause: exc_clause
        });
469 470 471
    }

    pub fn new_store(&mut self, id: MuID, is_ptr: bool, ord: CMuMemOrd, refty: MuID, loc: MuID, newval: MuID, exc_clause: Option<MuID>) {
472 473 474
        self.add_inst(id, NodeInst::NodeStore {
            id: id, is_ptr: is_ptr, ord: ord, refty: refty, loc: loc, newval: newval, exc_clause: exc_clause
        });
475 476 477
    }

    pub fn new_cmpxchg(&mut self, id: MuID, value_result_id: MuID, succ_result_id: MuID, is_ptr: bool, is_weak: bool, ord_succ: CMuMemOrd, ord_fail: CMuMemOrd, refty: MuID, loc: MuID, expected: MuID, desired: MuID, exc_clause: Option<MuID>) {
478 479 480
        self.add_inst(id, NodeInst::NodeCmpXchg {
            id: id, value_result_id: value_result_id, succ_result_id: succ_result_id, is_ptr: is_ptr, is_weak: is_weak, ord_succ: ord_succ, ord_fail: ord_fail, refty: refty, loc: loc, expected: expected, desired: desired, exc_clause: exc_clause
        });
481 482 483
    }

    pub fn new_atomicrmw(&mut self, id: MuID, result_id: MuID, is_ptr: bool, ord: CMuMemOrd, optr: CMuAtomicRMWOptr, ref_ty: MuID, loc: MuID, opnd: MuID, exc_clause: Option<MuID>) {
484 485 486
        self.add_inst(id, NodeInst::NodeAtomicRMW {
            id: id, result_id: result_id, is_ptr: is_ptr, ord: ord, optr: optr, ref_ty: ref_ty, loc: loc, opnd: opnd, exc_clause: exc_clause
        });
487 488 489
    }

    pub fn new_fence(&mut self, id: MuID, ord: CMuMemOrd) {
490 491 492
        self.add_inst(id, NodeInst::NodeFence {
            id: id, ord: ord,
        });
493 494 495
    }

    pub fn new_trap(&mut self, id: MuID, result_ids: Vec<MuID>, rettys: Vec<MuID>, exc_clause: Option<MuID>, keepalive_clause: Option<MuID>) {
496 497 498
        self.add_inst(id, NodeInst::NodeTrap {
            id: id, result_ids: result_ids, rettys: rettys, exc_clause: exc_clause, keepalive_clause: keepalive_clause
        });
499 500 501
    }

    pub fn new_watchpoint(&mut self, id: MuID, wpid: CMuWPID, result_ids: Vec<MuID>, rettys: Vec<MuID>, dis: MuID, ena: MuID, exc: Option<MuID>, keepalive_clause: Option<MuID>) {
502 503 504
        self.add_inst(id, NodeInst::NodeWatchPoint {
            id: id, wpid: wpid as MuID, result_ids: result_ids, rettys: rettys, dis: dis, ena: ena, exc: exc, keepalive_clause: keepalive_clause
        });
505 506 507
    }

    pub fn new_wpbranch(&mut self, id: MuID, wpid: CMuWPID, dis: MuID, ena: MuID) {
508 509 510
        self.add_inst(id, NodeInst::NodeWPBranch {
            id: id, wpid: wpid as MuID, dis: dis, ena: ena
        });
511 512 513
    }

    pub fn new_ccall(&mut self, id: MuID, result_ids: Vec<MuID>, callconv: CMuCallConv, callee_ty: MuID, sig: MuID, callee: MuID, args: Vec<MuID>, exc_clause: Option<MuID>, keepalive_clause: Option<MuID>) {
514 515 516
        self.add_inst(id, NodeInst::NodeCCall {
            id: id, result_ids: result_ids, callconv: callconv, callee_ty: callee_ty, sig: sig, callee: callee, args: args, exc_clause: exc_clause, keepalive_clause: keepalive_clause
        });
517 518 519
    }

    pub fn new_newthread(&mut self, id: MuID, result_id: MuID, stack: MuID, threadlocal: Option<MuID>, new_stack_clause: MuID, exc_clause: Option<MuID>) {
520 521 522
        self.add_inst(id, NodeInst::NodeNewThread {
            id: id, result_id: result_id, stack: stack, threadlocal: threadlocal, new_stack_clause: new_stack_clause, exc_clause: exc_clause
        });
523 524 525
    }

    pub fn new_swapstack(&mut self, id: MuID, result_ids: Vec<MuID>, swappee: MuID, cur_stack_clause: MuID, new_stack_clause: MuID, exc_clause: Option<MuID>, keepalive_clause: Option<MuID>) {
526 527 528
        self.add_inst(id, NodeInst::NodeSwapStack {
            id: id, result_ids: result_ids, swappee: swappee, cur_stack_clause: cur_stack_clause, new_stack_clause: new_stack_clause, exc_clause: exc_clause, keepalive_clause: keepalive_clause
        });
529 530 531
    }

    pub fn new_comminst(&mut self, id: MuID, result_ids: Vec<MuID>, opcode: CMuCommInst, flags: &[CMuFlag], tys: Vec<MuID>, sigs: Vec<MuID>, args: Vec<MuID>, exc_clause: Option<MuID>, keepalive_clause: Option<MuID>) {
532 533
        self.add_inst(id, NodeInst::NodeCommInst {
            id: id, result_ids: result_ids,
534
            opcode: opcode, flags: vec![], tys: tys, sigs: sigs, args: args,
535 536
            exc_clause: exc_clause, keepalive_clause: keepalive_clause
        });
537 538 539
    }
}

540
type IdPMap<T> = HashMap<MuID, P<T>>;
541

542 543 544
struct BundleLoader<'lb, 'lvm> {
    b: &'lb MuIRBuilder,
    vm: &'lvm VM,
545
    id_name_map: HashMap<MuID, MuName>,
546 547 548
    visited: HashSet<MuID>,
    built_types: IdPMap<MuType>,
    built_sigs: IdPMap<MuFuncSig>,
549 550 551 552
    built_constants: IdPMap<Value>,
    built_globals: IdPMap<Value>,
    built_funcs: IdBMap<MuFunction>,
    built_funcvers: IdBMap<MuFunctionVersion>,
553
    struct_hybrid_id_tags: Vec<(MuID, MuName)>,
qinsoon's avatar
qinsoon committed
554 555 556

    built_void: Option<P<MuType>>,
    built_refvoid: Option<P<MuType>>,
557
    built_refi64: Option<P<MuType>>,
558
    built_i1: Option<P<MuType>>,
559
    built_i64: Option<P<MuType>>,
qinsoon's avatar
qinsoon committed
560

561
    built_funcref_of: IdPMap<MuType>,
562
    built_ref_of: IdPMap<MuType>,
563
    built_iref_of: IdPMap<MuType>,
qinsoon's avatar
qinsoon committed
564 565
    built_uptr_of: IdPMap<MuType>,

566
    built_constint_of: HashMap<u64, P<Value>>,
567
}
568

569
fn load_bundle(b: &mut MuIRBuilder) {
570
    let vm = b.get_vm();
571

572 573
    let new_map = b.id_name_map.drain().collect::<HashMap<_,_>>();

574 575 576
    let mut bl = BundleLoader {
        b: b,
        vm: vm,
577
        id_name_map: new_map,
578
        visited: Default::default(),
579
        built_types: Default::default(),
580
        built_sigs: Default::default(),
581 582
        built_constants: Default::default(),
        built_globals: Default::default(),
583
        built_funcs: Default::default(),
584
        built_funcvers: Default::default(),
585
        struct_hybrid_id_tags: Default::default(),
qinsoon's avatar
qinsoon committed
586 587
        built_void: Default::default(),
        built_refvoid: Default::default(),
588
        built_refi64: Default::default(),
589
        built_i1: Default::default(),
590
        built_i64: Default::default(),
591
        built_funcref_of: Default::default(),
592
        built_ref_of: Default::default(),
593
        built_iref_of: Default::default(),
qinsoon's avatar
qinsoon committed
594
        built_uptr_of: Default::default(),
595
        built_constint_of: Default::default(),
596 597 598
    };

    bl.load_bundle();
599 600
}

601 602 603 604
#[derive(Default)]
struct FuncCtxBuilder {
    ctx: FunctionContext,
    tree_nodes: IdPMap<TreeNode>,
605 606
}

607 608
const DEFAULT_TRUE_PROB: f32 = 0.6f32;

609 610
impl<'lb, 'lvm> BundleLoader<'lb, 'lvm> {
    fn load_bundle(&mut self) {
611 612
        self.ensure_names();
        self.build_toplevels();
613
        self.add_everything_to_vm();
614 615
    }

qinsoon's avatar
qinsoon committed
616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653
    fn ensure_void(&mut self) -> P<MuType> {
        if let Some(ref void) = self.built_void {
            return void.clone();
        }

        let id_void = self.vm.next_id();

        let impl_void = P(MuType {
            hdr: MuEntityHeader::unnamed(id_void),
            v: MuType_::Void
        });

        trace!("Ensure void is defined: {} {:?}", id_void, impl_void);

        self.built_types.insert(id_void, impl_void.clone());
        self.built_void = Some(impl_void.clone());

        impl_void
    }

    fn ensure_refvoid(&mut self) -> P<MuType> {
        if let Some(ref refvoid) = self.built_refi64 {
            return refvoid.clone();
        }

        let id_refvoid = self.vm.next_id();

        let id_void = self.ensure_void().id();
        let impl_refvoid = self.ensure_ref(id_void);

        trace!("Ensure refvoid is defined: {} {:?}", id_refvoid, impl_refvoid);

        self.built_types.insert(id_refvoid, impl_refvoid.clone());
        self.built_refvoid = Some(impl_refvoid.clone());

        impl_refvoid
    }

654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682
    fn ensure_refi64(&mut self) -> P<MuType> {
        if let Some(ref refi64) = self.built_refi64 {
            return refi64.clone();
        }

        let id_i64 = self.vm.next_id();
        let id_ref = self.vm.next_id();

        let impl_i64 = P(MuType {
            hdr: MuEntityHeader::unnamed(id_i64),
            v: MuType_::Int(64),
        });

        let impl_ref = P(MuType {
            hdr: MuEntityHeader::unnamed(id_ref),
            v: MuType_::Ref(impl_i64.clone()),
        });

        trace!("Ensure i64 is defined: {} {:?}", id_i64, impl_i64);
        trace!("Ensure ref is defined: {} {:?}", id_ref, impl_ref);

        self.built_types.insert(id_i64, impl_i64);
        self.built_types.insert(id_ref, impl_ref.clone());

        self.built_refi64 = Some(impl_ref.clone());

        impl_ref
    }

683
    fn ensure_i1(&mut self) -> P<MuType> {
684 685
        if let Some(ref impl_ty) = self.built_i1 {
            return impl_ty.clone();
686 687
        }

688
        let id = self.vm.next_id();
689

690 691
        let impl_ty = P(MuType {
            hdr: MuEntityHeader::unnamed(id),
692 693 694
            v: MuType_::Int(1),
        });

695
        trace!("Ensure i1 is defined: {} {:?}", id, impl_ty);
696

697 698
        self.built_types.insert(id, impl_ty.clone());
        self.built_i1 = Some(impl_ty.clone());
699

700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743
        impl_ty
    }

    fn ensure_i64(&mut self) -> P<MuType> {
        if let Some(ref impl_ty) = self.built_i64 {
            return impl_ty.clone();
        }

        let id = self.vm.next_id();

        let impl_ty = P(MuType {
            hdr: MuEntityHeader::unnamed(id),
            v: MuType_::Int(64),
        });

        trace!("Ensure i64 is defined: {} {:?}", id, impl_ty);

        self.built_types.insert(id, impl_ty.clone());
        self.built_i64 = Some(impl_ty.clone());

        impl_ty
    }

    fn ensure_constint_of(&mut self, value: u64) -> P<TreeNode> {
        if let Some(c) = self.built_constint_of.get(&value) {
            return self.new_global(c.clone());
        }

        let id = self.vm.next_id();

        let impl_ty = self.ensure_i64();

        let impl_val = P(Value {
            hdr: MuEntityHeader::unnamed(id),
            ty: impl_ty,
            v: Value_::Constant(Constant::Int(value)),
        });

        trace!("Ensure const int is defined: {} {:?}", value, impl_val);

        self.built_constants.insert(id, impl_val.clone());
        self.built_constint_of.insert(value, impl_val.clone());

        self.new_global(impl_val)
744
    }
745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766
    
    fn ensure_funcref(&mut self, sig_id: MuID) -> P<MuType> {
        if let Some(funcref) = self.built_funcref_of.get(&sig_id) {
            return funcref.clone();
        }

        let sig = self.built_sigs.get(&sig_id).unwrap().clone();

        let id_funcref = self.vm.next_id();

        let impl_funcref = P(MuType {
            hdr: MuEntityHeader::unnamed(id_funcref),
            v: MuType_::FuncRef(sig),
        });

        trace!("Ensure funcref of {} is defined: {} {:?}", sig_id, id_funcref, impl_funcref);

        self.built_types.insert(id_funcref, impl_funcref.clone());
        self.built_funcref_of.insert(sig_id, impl_funcref.clone());

        impl_funcref
    }
767

768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
    fn ensure_type_generic<F>(id: MuID, hint: &str,
                         vm: &VM, cache_map: &mut IdPMap<MuType>, storage_map: &mut IdPMap<MuType>,
                         factory: F) -> P<MuType> where F: Fn(P<MuType>) -> MuType_ {
        if let Some(obj) = cache_map.get(&id) {
            return obj.clone();
        }

        let new_id = vm.next_id();

        let old_obj = storage_map.get(&id).unwrap().clone();

        let impl_type_ = factory(old_obj);

        let new_obj = P(MuType {
            hdr: MuEntityHeader::unnamed(new_id),
            v: impl_type_,
        });

        storage_map.insert(new_id, new_obj.clone());

        trace!("Ensure {} of {} is defined: {:?}", hint, id, new_obj);

        cache_map.insert(new_id, new_obj.clone());

        new_obj
    }

    fn ensure_ref(&mut self, ty_id: MuID) -> P<MuType> {
        BundleLoader::ensure_type_generic(ty_id, "ref", &self.vm, &mut self.built_ref_of, &mut self.built_types, |impl_ty| {
            MuType_::Ref(impl_ty)
        })
    }

801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820
    fn ensure_iref(&mut self, ty_id: MuID) -> P<MuType> {
        BundleLoader::ensure_type_generic(ty_id, "iref", &self.vm, &mut self.built_iref_of, &mut self.built_types, |impl_ty| {
            MuType_::IRef(impl_ty)
        })
    }

    fn ensure_uptr(&mut self, ty_id: MuID) -> P<MuType> {
        BundleLoader::ensure_type_generic(ty_id, "uptr", &self.vm, &mut self.built_iref_of, &mut self.built_types, |impl_ty| {
            MuType_::UPtr(impl_ty)
        })
    }

    fn ensure_iref_or_uptr(&mut self, ty_id: MuID, is_ptr: bool) -> P<MuType> {
        if is_ptr {
            self.ensure_uptr(ty_id)
        } else {
            self.ensure_iref(ty_id)
        }
    }

821
    fn name_from_id(id: MuID, hint: &str) -> String {
822
        format!("@uvm.unnamed.{}{}", hint, id)
823 824 825 826 827 828 829 830 831 832 833
    }

    fn ensure_name(&mut self, id: MuID, hint: &str) {
        self.id_name_map.entry(id).or_insert_with(|| {
            let name = BundleLoader::name_from_id(id, hint);
            trace!("Making name for ID {} : {}", id, name);
            name
        });
    }

    fn ensure_names(&mut self) {
834
        // Make sure structs and hybrids have names because names are used to resolve cyclic
835 836 837 838 839 840
        // dependencies.
        for (id, ty) in &self.b.bundle.types {
            match **ty {
                NodeType::TypeStruct { id: _, fieldtys: _ } => { 
                    self.ensure_name(*id, "struct");
                },
841 842 843
                NodeType::TypeHybrid { id: _, fixedtys: _, varty: _ } => { 
                    self.ensure_name(*id, "struct");
                },
844 845 846
                _ => {}
            }
        }
847 848 849 850 851 852 853 854

        for id in self.b.bundle.funcvers.keys() {
            self.ensure_name(*id, "funcver");
        }

        for id in self.b.bundle.bbs.keys() {
            self.ensure_name(*id, "funcver");
        }
855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872
    }

    fn get_name(&self, id: MuID) -> String {
        self.id_name_map.get(&id).unwrap().clone()
    }

    fn maybe_get_name(&self, id: MuID) -> Option<String> {
        self.id_name_map.get(&id).cloned()
    }

    fn make_mu_entity_header(&self, id: MuID) -> MuEntityHeader {
        match self.maybe_get_name(id) {
            None => MuEntityHeader::unnamed(id),
            Some(name) => MuEntityHeader::named(id, name),
        }
    }

    fn build_toplevels(&mut self) {
873
        for id in self.b.bundle.types.keys() {
874 875 876 877 878
            if !self.visited.contains(id) {
                self.build_type(*id)
            }
        }

879 880 881
        let struct_hybrid_id_tags = self.struct_hybrid_id_tags.drain(..).collect::<Vec<_>>();
        for (id, ref tag) in struct_hybrid_id_tags {
            self.fill_struct_hybrid(id, tag)
882
        }
Kunshan Wang's avatar
Kunshan Wang committed
883 884 885 886 887 888

        for id in self.b.bundle.sigs.keys() {
            if !self.visited.contains(id) {
                self.build_sig(*id)
            }
        }
889

890 891 892 893
        for id in self.b.bundle.consts.keys() {
            if !self.visited.contains(id) {
                self.build_const(*id)
            }
894
        }
895

896 897 898 899 900 901
        for id in self.b.bundle.globals.keys() {
            if !self.visited.contains(id) {
                self.build_global(*id)
            }
        }

902 903 904 905 906
        for id in self.b.bundle.funcs.keys() {
            if !self.visited.contains(id) {
                self.build_func(*id)
            }
        }
907 908 909 910

        for id in self.b.bundle.funcvers.keys() {
            self.build_funcver(*id)
        }
911
    }
912

913 914 915 916
    fn build_type(&mut self, id: MuID) {
        self.visited.insert(id);

        let ty = self.b.bundle.types.get(&id).unwrap();
917

918 919
        trace!("Building type {} {:?}", id, ty);

920 921 922
        let hdr = self.make_mu_entity_header(id);

        let impl_ty_ = match **ty {
923
            NodeType::TypeInt { id: _, len } => {
924
                MuType_::Int(len as usize)
925
            },
926 927 928 929 930 931
            NodeType::TypeFloat { id: _ } => {
                MuType_::Float
            },
            NodeType::TypeDouble { id: _ } => {
                MuType_::Double
            },
932
            NodeType::TypeUPtr { id: _, ty: toty } => {
933 934
                let impl_toty = self.ensure_type_rec(toty);
                MuType_::UPtr(impl_toty)
935
            },
936 937 938
            NodeType::TypeUFuncPtr { id: _, sig } => {
                let impl_sig = self.ensure_sig_rec(sig);
                MuType_::UFuncPtr(impl_sig)
Kunshan Wang's avatar
Kunshan Wang committed
939
            },
940
            NodeType::TypeStruct { id: _, fieldtys: _ } => { 
941
                let tag = self.get_name(id);
942 943 944
                self.struct_hybrid_id_tags.push((id, tag.clone()));
                MuType_::mustruct_empty(tag)
                // MuType_::Struct(tag)
945
            },
946 947 948 949
            NodeType::TypeHybrid { id: _, fixedtys: _, varty: _ } => {
                let tag = self.get_name(id);
                self.struct_hybrid_id_tags.push((id, tag.clone()));
                MuType_::hybrid_empty(tag)
950 951 952
//                let impl_fixedtys = fixedtys.iter().map(|t| self.ensure_type_rec(*t)).collect::<Vec<_>>();
//                let impl_varty = self.ensure_type_rec(varty);
//                MuType_::Hybrid(impl_fixedtys, impl_varty)
953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989
            },
            NodeType::TypeArray { id: _, elemty, len } => { 
                let impl_elemty = self.ensure_type_rec(elemty);
                MuType_::Array(impl_elemty, len)
            },
            NodeType::TypeVector { id: _, elemty, len } => { 
                let impl_elemty = self.ensure_type_rec(elemty);
                MuType_::Vector(impl_elemty, len)
            },
            NodeType::TypeVoid { id: _ } => {
                MuType_::Void
            },
            NodeType::TypeTagRef64 { id: _ } => {
                MuType_::Tagref64
            },
            NodeType::TypeRef { id: _, ty: toty } => {
                let impl_toty = self.ensure_type_rec(toty);
                MuType_::Ref(impl_toty)
            },
            NodeType::TypeIRef { id: _, ty: toty } => {
                let impl_toty = self.ensure_type_rec(toty);
                MuType_::IRef(impl_toty)
            },
            NodeType::TypeWeakRef { id: _, ty: toty } => {
                let impl_toty = self.ensure_type_rec(toty);
                MuType_::WeakRef(impl_toty)
            },
            NodeType::TypeFuncRef { id: _, sig } => {
                let impl_sig = self.ensure_sig_rec(sig);
                MuType_::FuncRef(impl_sig)
            },
            NodeType::TypeThreadRef { id: _ } => {
                MuType_::ThreadRef
            },
            NodeType::TypeStackRef { id: _ } => {
                MuType_::StackRef
            },
990
            ref t => panic!("{:?} not implemented", t),
991 992 993
        };

        let impl_ty = MuType { hdr: hdr, v: impl_ty_ };
994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009

        trace!("Type built: {} {:?}", id, impl_ty);

        self.built_types.insert(id, P(impl_ty));
    }

    fn ensure_type_rec(&mut self, id: MuID) -> P<MuType> {
        if self.b.bundle.types.contains_key(&id) {
            if self.visited.contains(&id) {
                match self.built_types.get(&id) {
                    Some(t) => t.clone(),
                    None => panic!("Cyclic types found. id: {}", id)
                }
            } else {
                self.build_type(id);
                self.built_types.get(&id).unwrap().clone()
1010 1011
            }
        } else {
1012
            self.vm.get_type(id)
1013
        }
1014
    }
1015

1016 1017 1018 1019 1020 1021 1022
    fn get_built_type(&self, id: MuID) -> P<MuType> {
        match self.built_types.get(&id) {
            Some(t) => t.clone(),
            None => self.vm.get_type(id)
        }
    }

1023
    fn fill_struct_hybrid(&mut self, id: MuID, tag: &MuName) {
1024
        let ty = self.b.bundle.types.get(&id).unwrap();
1025

1026
        trace!("Filling struct or hybrid {} {:?}", id, ty);
1027 1028

        match **ty {
1029
            NodeType::TypeStruct { id: _, ref fieldtys } => { 
1030 1031 1032 1033
                let fieldtys_impl = fieldtys.iter().map(|fid| {
                    self.ensure_type_rec(*fid)
                }).collect::<Vec<_>>();

1034
                MuType_::mustruct_put(tag, fieldtys_impl);
1035

1036
                trace!("Struct {} filled: {:?}", id,
1037
                       STRUCT_TAG_MAP.read().unwrap().get(tag));
1038
            },
1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051
            NodeType::TypeHybrid { id: _, ref fixedtys, varty } => { 
                let fixedtys_impl = fixedtys.iter().map(|fid| {
                    self.ensure_type_rec(*fid)
                }).collect::<Vec<_>>();

                let varty_impl = self.ensure_type_rec(varty);

                MuType_::hybrid_put(tag, fixedtys_impl, varty_impl);

                trace!("Hybrid {} filled: {:?}", id,
                       HYBRID_TAG_MAP.read().unwrap().get(tag));
            },
            ref t => panic!("{} {:?} should be a Struct or Hybrid type", id, ty),
1052 1053
        }
    }
Kunshan Wang's avatar
Kunshan Wang committed
1054 1055 1056 1057 1058

    fn build_sig(&mut self, id: MuID) {
        self.visited.insert(id);

        let sig = self.b.bundle.sigs.get(&id).unwrap();
1059

Kunshan Wang's avatar
Kunshan Wang committed
1060 1061
        trace!("Building function signature {} {:?}", id, sig);

1062 1063
        let hdr = self.make_mu_entity_header(id);

Kunshan Wang's avatar
Kunshan Wang committed
1064
        let impl_sig = MuFuncSig{
1065
            hdr: hdr,
Kunshan Wang's avatar
Kunshan Wang committed
1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089
            ret_tys: sig.rettys.iter().map(|i| self.ensure_type_rec(*i)).collect::<Vec<_>>(),
            arg_tys: sig.paramtys.iter().map(|i| self.ensure_type_rec(*i)).collect::<Vec<_>>(),
        };

        trace!("Function signature built: {} {:?}", id, impl_sig);

        self.built_sigs.insert(id, P(impl_sig));
    }

    fn ensure_sig_rec(&mut self, id: MuID) -> P<MuFuncSig> {
        if self.b.bundle.sigs.contains_key(&id) {
            if self.visited.contains(&id) {
                match self.built_sigs.get(&id) {
                    Some(t) => t.clone(),
                    None => panic!("Cyclic signature found. id: {}", id)
                }
            } else {
                self.build_sig(id);
                self.built_sigs.get(&id).unwrap().clone()
            }
        } else {
            self.vm.get_func_sig(id)
        }
    }
1090 1091 1092 1093 1094

    fn build_const(&mut self, id: MuID) {
        self.visited.insert(id);

        let con = self.b.bundle.consts.get(&id).unwrap();
1095

1096 1097 1098 1099 1100
        trace!("Building constant {} {:?}", id, con);

        let hdr = self.make_mu_entity_header(id);

        let (impl_con, impl_ty) = match **con {
1101
            NodeConst::ConstInt { id: _, ty, value } => {
1102 1103 1104 1105
                let t = self.ensure_type_rec(ty);
                let c = Constant::Int(value);
                (c, t)
            },
1106
            NodeConst::ConstFloat { id: _, ty, value } => {
1107 1108 1109 1110
                let t = self.ensure_type_rec(ty);
                let c = Constant::Float(value);
                (c, t)
            },
1111
            NodeConst::ConstDouble { id: _, ty, value } => {
1112 1113 1114 1115
                let t = self.ensure_type_rec(ty);
                let c = Constant::Double(value);
                (c, t)
            },
1116
            NodeConst::ConstNull { id: _, ty } => {
1117 1118 1119 1120
                let t = self.ensure_type_rec(ty);
                let c = Constant::NullRef;
                (c, t)
            },
1121 1122 1123 1124 1125
            NodeConst::ConstExtern { id: _, ty, ref symbol } => {
                let t = self.ensure_type_rec(ty);
                let c = Constant::ExternSym(symbol.clone());
                (c, t)
            },
1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136
            ref c => panic!("{:?} not implemented", c),
        };

        let impl_val = Value {
            hdr: hdr,
            ty: impl_ty,
            v: Value_::Constant(impl_con),
        };

        trace!("Constant built: {} {:?}", id, impl_val);

1137
        self.built_constants.insert(id, P(impl_val));
1138
    }
1139

1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160
    fn build_global(&mut self, id: MuID) {
        self.visited.insert(id);

        let global = self.b.bundle.globals.get(&id).unwrap();

        trace!("Building global {} {:?}", id, global);

        let hdr = self.make_mu_entity_header(id);
        let impl_ty = self.ensure_type_rec(global.ty); // global type

        let impl_val = Value {
            hdr: hdr,
            ty: self.ensure_iref(impl_ty.id()), // iref to global
            v: Value_::Global(impl_ty)
        };

        trace!("Global built: {} {:?}", id, impl_val);

        self.built_globals.insert(id, P(impl_val));
    }

1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
    fn build_func(&mut self, id: MuID) {
        self.visited.insert(id);

        let fun = self.b.bundle.funcs.get(&id).unwrap();

        trace!("Building function {} {:?}", id, fun);

        let hdr = self.make_mu_entity_header(id);
        let impl_sig = self.ensure_sig_rec(fun.sig);

        let impl_fun = MuFunction {
1172
            hdr: hdr.clone(),
1173 1174 1175 1176 1177 1178 1179
            sig: impl_sig,
            cur_ver: None,
            all_vers: Default::default(),
        };

        trace!("Function built: {} {:?}", id, impl_fun);

1180
        self.built_funcs.insert(id, Box::new(impl_fun));
1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191

        let impl_ty = self.ensure_funcref(fun.sig);

        let impl_val = Value {
            hdr: hdr,
            ty: impl_ty,
            v: Value_::Constant(Constant::FuncRef(id)),
        };

        trace!("Function value built: {} {:?}", id, impl_val);

1192
        self.built_constants.insert(id, P(impl_val));
1193
    }
1194

1195 1196 1197 1198 1199 1200 1201 1202 1203
    fn get_sig_for_func(&mut self, id: MuID) -> P<MuFuncSig> {
        if let Some(impl_func) = self.built_funcs.get(&id) {
            impl_func.sig.clone()
        } else {
            self.vm.get_func_sig_for_func(id)
        }
    }


1204 1205
    fn build_funcver(&mut self, id: MuID) {
        let fv = self.b.bundle.funcvers.get(&id).unwrap();
1206

1207 1208 1209
        trace!("Building function version {} {:?}", id, fv);

        let hdr = self.make_mu_entity_header(id);
1210 1211
        let func_id = fv.func;
        let impl_sig = self.get_sig_for_func(func_id);
1212

1213
        let mut fcb: FuncCtxBuilder = Default::default();
1214 1215

        let blocks = fv.bbs.iter().map(|bbid| {
1216
            let block = self.build_block(&mut fcb, *bbid);
1217
            (*bbid, block)
1218
        }).collect::<LinkedHashMap<MuID, Block>>();
1219 1220 1221 1222 1223 1224 1225

        let entry_id = *fv.bbs.first().unwrap();
        let ctn = FunctionContent {
            entry: entry_id,
            blocks: blocks,
        };

qinsoon's avatar
[wip]  
qinsoon committed
1226
        let impl_fv = MuFunctionVersion::new_(hdr, func_id, impl_sig, ctn, fcb.ctx);
1227 1228 1229

        trace!("Function version built {} {:?}", id, impl_fv);

1230
        self.built_funcvers.insert(id, Box::new(impl_fv));
1231 1232 1233 1234 1235
    }

    /// Copied from ast::ir::*. That was implemented for the previous API which implies mutability.
    /// When we migrate later, we can assume the AST is almost fully immutable, and can be
    /// constructed in a functional recursive-descendent style.
1236
    fn new_ssa(&self, fcb: &mut FuncCtxBuilder, id: MuID, ty: P<MuType>) -> P<TreeNode> {
1237 1238 1239 1240 1241 1242 1243
        let hdr = self.make_mu_entity_header(id);
        let val = P(Value{
            hdr: hdr,
            ty: ty,
            v: Value_::SSAVar(id)
        });

1244
        fcb.ctx.values.insert(id, SSAVarEntry::new(val.clone()));
1245

1246
        let tn = P(TreeNode {
1247 1248
            op: pick_op_code_for_ssa(&val.ty),
            v: TreeNode_::Value(val)
1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261
        });

        fcb.tree_nodes.insert(id, tn.clone());

        tn
    }

    pub fn new_inst(&self, v: Instruction) -> Box<TreeNode> {
        Box::new(TreeNode{
            op: pick_op_code_for_inst(&v),
            v: TreeNode_::Instruction(v),
        })
    }
1262

1263 1264 1265 1266
    pub fn new_global(&self, v: P<Value>) -> P<TreeNode> {
        P(TreeNode{
            op: pick_op_code_for_value(&v.ty),
            v: TreeNode_::Value(v)
1267 1268 1269
        })
    }

1270 1271 1272
    fn get_treenode(&self, fcb: &FuncCtxBuilder, id: MuID) -> P<TreeNode> {
        if let Some(tn) = fcb.tree_nodes.get(&id) {
            tn.clone()
1273
        } else if let Some(v) = self.built_constants.get(&id) {
1274
            self.new_global(v.clone())
1275 1276
        } else if let Some(v) = self.built_globals.get(&id) {
            self.new_global(v.clone())
1277 1278 1279 1280 1281 1282
        } else {
            panic!("Operand {} is neither a local var or a global var", id)
        }
    }

    fn build_block(&mut self, fcb: &mut FuncCtxBuilder, id: MuID) -> Block {
1283 1284 1285 1286
        let bb = self.b.bundle.bbs.get(&id).unwrap();

        trace!("Building basic block {} {:?}", id, bb);

1287 1288
        let nor_ids = &bb.nor_param_ids;
        let nor_tys = &bb.nor_param_types;
1289 1290 1291

        let args = nor_ids.iter().zip(nor_tys).map(|(arg_id, arg_ty_id)| {
            let arg_ty = self.get_built_type(*arg_ty_id);
1292
            self.new_ssa(fcb, *arg_id, arg_ty).clone_value()
1293 1294
        }).collect::<Vec<_>>();

1295
        let exn_arg = bb.exc_param_id.map(|arg_id| {