Mercurial > projects > ldc
annotate gen/tollvm.c @ 53:06ccc817acd4 trunk
[svn r57] Added most basic TypeInfo (rebuild lphobos).
Fixed some SymOffExp bugs.
Added another typeinfo test case.
author | lindquist |
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date | Tue, 23 Oct 2007 07:16:02 +0200 |
parents | 0c77619e803b |
children | 28e99b04a132 |
rev | line source |
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1 | 1 #include <iostream> |
2 | |
40 | 3 #include "gen/llvm.h" |
1 | 4 |
5 #include "mtype.h" | |
6 #include "dsymbol.h" | |
7 #include "aggregate.h" | |
8 #include "declaration.h" | |
9 #include "init.h" | |
10 | |
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11 #include "gen/tollvm.h" |
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12 #include "gen/irstate.h" |
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13 #include "gen/logger.h" |
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14 #include "gen/runtime.h" |
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15 #include "gen/elem.h" |
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16 #include "gen/arrays.h" |
1 | 17 |
40 | 18 bool LLVM_DtoIsPassedByRef(Type* type) |
19 { | |
20 TY t = type->ty; | |
21 if (t == Tstruct || t == Tarray || t == Tdelegate) | |
22 return true; | |
23 else if (t == Ttypedef) { | |
24 Type* bt = type->toBasetype(); | |
25 assert(bt); | |
26 return LLVM_DtoIsPassedByRef(bt); | |
27 } | |
28 return false; | |
29 } | |
30 | |
31 Type* LLVM_DtoDType(Type* t) | |
32 { | |
33 if (t->ty == Ttypedef) { | |
34 Type* bt = t->toBasetype(); | |
35 assert(bt); | |
36 return LLVM_DtoDType(bt); | |
37 } | |
38 return t; | |
39 } | |
40 | |
1 | 41 const llvm::Type* LLVM_DtoType(Type* t) |
42 { | |
43 assert(t); | |
44 switch (t->ty) | |
45 { | |
46 // integers | |
47 case Tint8: | |
48 case Tuns8: | |
49 case Tchar: | |
50 return (const llvm::Type*)llvm::Type::Int8Ty; | |
51 case Tint16: | |
52 case Tuns16: | |
53 case Twchar: | |
54 return (const llvm::Type*)llvm::Type::Int16Ty; | |
55 case Tint32: | |
56 case Tuns32: | |
57 case Tdchar: | |
58 return (const llvm::Type*)llvm::Type::Int32Ty; | |
59 case Tint64: | |
60 case Tuns64: | |
61 return (const llvm::Type*)llvm::Type::Int64Ty; | |
62 | |
63 case Tbool: | |
64 return (const llvm::Type*)llvm::ConstantInt::getTrue()->getType(); | |
65 | |
66 // floats | |
67 case Tfloat32: | |
68 return llvm::Type::FloatTy; | |
69 case Tfloat64: | |
70 case Tfloat80: | |
71 return llvm::Type::DoubleTy; | |
72 | |
73 // pointers | |
74 case Tpointer: { | |
75 assert(t->next); | |
76 if (t->next->ty == Tvoid) | |
77 return (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
78 else | |
79 return (const llvm::Type*)llvm::PointerType::get(LLVM_DtoType(t->next)); | |
80 } | |
81 | |
82 // arrays | |
83 case Tarray: | |
84 return LLVM_DtoArrayType(t); | |
85 case Tsarray: | |
86 return LLVM_DtoStaticArrayType(t); | |
87 | |
88 // void | |
89 case Tvoid: | |
90 return llvm::Type::VoidTy; | |
91 | |
92 // aggregates | |
93 case Tstruct: { | |
94 if (t->llvmType == 0) | |
95 { | |
96 // recursive or cyclic declaration | |
97 if (!gIR->structs.empty()) | |
98 { | |
99 IRStruct* found = 0; | |
100 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
101 { | |
102 if (t == i->type) | |
103 { | |
104 return i->recty.get(); | |
105 } | |
106 } | |
107 } | |
108 | |
109 // forward declaration | |
110 TypeStruct* ts = (TypeStruct*)t; | |
111 assert(ts->sym); | |
112 ts->sym->toObjFile(); | |
113 } | |
114 return t->llvmType; | |
115 } | |
116 | |
117 case Tclass: { | |
118 if (t->llvmType == 0) | |
119 { | |
6 | 120 // recursive or cyclic declaration |
121 if (!gIR->structs.empty()) | |
122 { | |
123 IRStruct* found = 0; | |
124 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
125 { | |
126 if (t == i->type) | |
127 { | |
128 return llvm::PointerType::get(i->recty.get()); | |
129 } | |
130 } | |
131 } | |
132 | |
133 // forward declaration | |
1 | 134 TypeClass* tc = (TypeClass*)t; |
135 assert(tc->sym); | |
6 | 136 tc->sym->toObjFile(); |
1 | 137 } |
138 return llvm::PointerType::get(t->llvmType); | |
139 } | |
140 | |
141 // functions | |
142 case Tfunction: | |
143 { | |
144 if (t->llvmType == 0) { | |
145 return LLVM_DtoFunctionType(t); | |
146 } | |
147 else { | |
148 return t->llvmType; | |
149 } | |
150 } | |
6 | 151 |
1 | 152 // delegates |
153 case Tdelegate: | |
154 { | |
155 if (t->llvmType == 0) { | |
156 return LLVM_DtoDelegateType(t); | |
157 } | |
158 else { | |
159 return t->llvmType; | |
160 } | |
161 } | |
162 | |
163 // typedefs | |
52 | 164 // enum |
1 | 165 case Ttypedef: |
52 | 166 case Tenum: |
1 | 167 { |
168 Type* bt = t->toBasetype(); | |
169 assert(bt); | |
170 return LLVM_DtoType(bt); | |
171 } | |
172 | |
173 default: | |
174 printf("trying to convert unknown type with value %d\n", t->ty); | |
175 assert(0); | |
176 } | |
177 return 0; | |
178 } | |
179 | |
180 ////////////////////////////////////////////////////////////////////////////////////////// | |
181 | |
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182 const llvm::FunctionType* LLVM_DtoFunctionType(Type* t, const llvm::Type* thisparam) |
1 | 183 { |
184 TypeFunction* f = (TypeFunction*)t; | |
185 | |
186 // parameter types | |
187 const llvm::Type* rettype; | |
188 std::vector<const llvm::Type*> paramvec; | |
189 | |
40 | 190 if (LLVM_DtoIsPassedByRef(f->next)) { |
1 | 191 rettype = llvm::PointerType::get(LLVM_DtoType(f->next)); |
192 paramvec.push_back(rettype); | |
193 rettype = llvm::Type::VoidTy; | |
194 } | |
195 else { | |
196 Type* rt = f->next; | |
197 if (rt) | |
198 rettype = LLVM_DtoType(rt); | |
199 else | |
200 assert(0); | |
201 } | |
202 | |
203 if (thisparam) { | |
204 paramvec.push_back(thisparam); | |
205 } | |
206 | |
207 size_t n = Argument::dim(f->parameters); | |
208 for (int i=0; i < n; ++i) { | |
209 Argument* arg = Argument::getNth(f->parameters, i); | |
210 // ensure scalar | |
211 Type* argT = arg->type; | |
212 assert(argT); | |
213 paramvec.push_back(LLVM_DtoType(argT)); | |
214 } | |
215 | |
216 Logger::cout() << "Return type: " << *rettype << '\n'; | |
217 | |
218 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, f->varargs); | |
219 return functype; | |
220 } | |
221 | |
222 ////////////////////////////////////////////////////////////////////////////////////////// | |
223 | |
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224 const llvm::FunctionType* LLVM_DtoFunctionType(FuncDeclaration* fdecl) |
1 | 225 { |
226 TypeFunction* f = (TypeFunction*)fdecl->type; | |
227 assert(f != 0); | |
228 | |
9 | 229 // type has already been resolved |
1 | 230 if (f->llvmType != 0) { |
231 return llvm::cast<llvm::FunctionType>(f->llvmType); | |
232 } | |
233 | |
234 // return value type | |
235 const llvm::Type* rettype; | |
236 const llvm::Type* actualRettype; | |
237 Type* rt = f->next; | |
238 bool retinptr = false; | |
239 bool usesthis = false; | |
240 | |
241 if (fdecl->isMain()) { | |
242 rettype = llvm::Type::Int32Ty; | |
243 actualRettype = rettype; | |
244 } | |
245 else if (rt) { | |
40 | 246 if (LLVM_DtoIsPassedByRef(rt)) { |
1 | 247 rettype = llvm::PointerType::get(LLVM_DtoType(rt)); |
248 actualRettype = llvm::Type::VoidTy; | |
249 f->llvmRetInPtr = retinptr = true; | |
250 } | |
251 else { | |
252 rettype = LLVM_DtoType(rt); | |
253 actualRettype = rettype; | |
254 } | |
255 } | |
256 else { | |
257 assert(0); | |
258 } | |
259 | |
260 // parameter types | |
261 std::vector<const llvm::Type*> paramvec; | |
262 | |
263 if (retinptr) { | |
31
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264 Logger::cout() << "returning through pointer parameter: " << *rettype << '\n'; |
1 | 265 paramvec.push_back(rettype); |
266 } | |
267 | |
9 | 268 if (fdecl->needThis()) { |
269 if (AggregateDeclaration* ad = fdecl->isMember()) { | |
270 Logger::print("isMember = this is: %s\n", ad->type->toChars()); | |
271 const llvm::Type* thisty = LLVM_DtoType(ad->type); | |
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272 Logger::cout() << "this llvm type: " << *thisty << '\n'; |
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273 if (llvm::isa<llvm::StructType>(thisty) || thisty == gIR->topstruct().recty.get()) |
9 | 274 thisty = llvm::PointerType::get(thisty); |
275 paramvec.push_back(thisty); | |
276 usesthis = true; | |
277 } | |
278 else | |
279 assert(0); | |
1 | 280 } |
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281 else if (fdecl->isNested()) { |
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282 paramvec.push_back(llvm::PointerType::get(llvm::Type::Int8Ty)); |
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283 usesthis = true; |
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284 } |
1 | 285 |
286 size_t n = Argument::dim(f->parameters); | |
287 for (int i=0; i < n; ++i) { | |
288 Argument* arg = Argument::getNth(f->parameters, i); | |
289 // ensure scalar | |
40 | 290 Type* argT = LLVM_DtoDType(arg->type); |
1 | 291 assert(argT); |
292 | |
293 if ((arg->storageClass & STCref) || (arg->storageClass & STCout)) { | |
294 //assert(arg->vardecl); | |
295 //arg->vardecl->refparam = true; | |
296 } | |
297 else | |
298 arg->llvmCopy = true; | |
299 | |
300 const llvm::Type* at = LLVM_DtoType(argT); | |
301 if (llvm::isa<llvm::StructType>(at)) { | |
302 Logger::println("struct param"); | |
303 paramvec.push_back(llvm::PointerType::get(at)); | |
304 } | |
305 else if (llvm::isa<llvm::ArrayType>(at)) { | |
306 Logger::println("sarray param"); | |
307 assert(argT->ty == Tsarray); | |
308 //paramvec.push_back(llvm::PointerType::get(at->getContainedType(0))); | |
309 paramvec.push_back(llvm::PointerType::get(at)); | |
310 } | |
40 | 311 else if (llvm::isa<llvm::OpaqueType>(at)) { |
312 Logger::println("opaque param"); | |
313 if (argT->ty == Tstruct || argT->ty == Tclass) | |
314 paramvec.push_back(llvm::PointerType::get(at)); | |
315 else | |
316 assert(0); | |
317 } | |
318 /*if (llvm::isa<llvm::StructType>(at) || argT->ty == Tstruct || argT->ty == Tsarray) { | |
319 paramvec.push_back(llvm::PointerType::get(at)); | |
320 }*/ | |
1 | 321 else { |
322 if (!arg->llvmCopy) { | |
323 Logger::println("ref param"); | |
324 at = llvm::PointerType::get(at); | |
325 } | |
326 else { | |
327 Logger::println("in param"); | |
328 } | |
329 paramvec.push_back(at); | |
330 } | |
331 } | |
332 | |
333 // construct function type | |
334 bool isvararg = f->varargs; | |
335 llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg); | |
336 | |
337 f->llvmType = functype; | |
9 | 338 f->llvmRetInPtr = retinptr; |
339 f->llvmUsesThis = usesthis; | |
1 | 340 return functype; |
341 } | |
342 | |
343 ////////////////////////////////////////////////////////////////////////////////////////// | |
344 | |
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345 const llvm::StructType* LLVM_DtoDelegateType(Type* t) |
1 | 346 { |
347 const llvm::Type* i8ptr = llvm::PointerType::get(llvm::Type::Int8Ty); | |
348 const llvm::Type* func = LLVM_DtoFunctionType(t->next, i8ptr); | |
349 const llvm::Type* funcptr = llvm::PointerType::get(func); | |
350 | |
351 std::vector<const llvm::Type*> types; | |
352 types.push_back(i8ptr); | |
353 types.push_back(funcptr); | |
354 return llvm::StructType::get(types); | |
355 } | |
356 | |
357 ////////////////////////////////////////////////////////////////////////////////////////// | |
358 | |
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359 const llvm::Type* LLVM_DtoStructType(Type* t) |
1 | 360 { |
361 assert(0); | |
362 std::vector<const llvm::Type*> types; | |
363 return llvm::StructType::get(types); | |
364 } | |
365 | |
366 | |
367 ////////////////////////////////////////////////////////////////////////////////////////// | |
368 | |
369 static llvm::Function* LLVM_DeclareMemIntrinsic(const char* name, int bits, bool set=false) | |
370 { | |
371 assert(bits == 32 || bits == 64); | |
372 const llvm::Type* int8ty = (const llvm::Type*)llvm::Type::Int8Ty; | |
373 const llvm::Type* int32ty = (const llvm::Type*)llvm::Type::Int32Ty; | |
374 const llvm::Type* int64ty = (const llvm::Type*)llvm::Type::Int64Ty; | |
375 const llvm::Type* int8ptrty = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
376 const llvm::Type* voidty = (const llvm::Type*)llvm::Type::VoidTy; | |
377 | |
378 assert(gIR); | |
379 assert(gIR->module); | |
380 | |
381 // parameter types | |
382 std::vector<const llvm::Type*> pvec; | |
383 pvec.push_back(int8ptrty); | |
384 pvec.push_back(set?int8ty:int8ptrty); | |
385 pvec.push_back(bits==32?int32ty:int64ty); | |
386 pvec.push_back(int32ty); | |
387 llvm::FunctionType* functype = llvm::FunctionType::get(voidty, pvec, false); | |
388 return new llvm::Function(functype, llvm::GlobalValue::ExternalLinkage, name, gIR->module); | |
389 } | |
390 | |
391 ////////////////////////////////////////////////////////////////////////////////////////// | |
392 | |
393 // llvm.memset.i32 | |
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394 llvm::Function* LLVM_DeclareMemSet32() |
1 | 395 { |
396 static llvm::Function* _func = 0; | |
397 if (_func == 0) { | |
398 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i32", 32, true); | |
399 } | |
400 return _func; | |
401 } | |
402 | |
403 ////////////////////////////////////////////////////////////////////////////////////////// | |
404 | |
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405 llvm::Function* LLVM_DeclareMemSet64() |
1 | 406 { |
407 static llvm::Function* _func = 0; | |
408 if (_func == 0) { | |
409 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i64", 64, true); | |
410 } | |
411 return _func; | |
412 } | |
413 | |
414 ////////////////////////////////////////////////////////////////////////////////////////// | |
415 | |
416 // llvm.memcpy.i32 | |
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417 llvm::Function* LLVM_DeclareMemCpy32() |
1 | 418 { |
419 static llvm::Function* _func = 0; | |
420 if (_func == 0) { | |
421 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i32", 32); | |
422 } | |
423 return _func; | |
424 } | |
425 | |
426 ////////////////////////////////////////////////////////////////////////////////////////// | |
427 | |
428 // llvm.memcpy.i64 | |
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429 llvm::Function* LLVM_DeclareMemCpy64() |
1 | 430 { |
431 static llvm::Function* _func = 0; | |
432 if (_func == 0) { | |
433 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i64", 64); | |
434 } | |
435 return _func; | |
436 } | |
437 | |
438 ////////////////////////////////////////////////////////////////////////////////////////// | |
439 | |
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440 llvm::Value* LLVM_DtoStructZeroInit(llvm::Value* v) |
1 | 441 { |
442 assert(gIR); | |
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443 uint64_t n = gTargetData->getTypeSize(v->getType()->getContainedType(0)); |
1 | 444 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); |
445 llvm::Type* sarrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
446 | |
447 llvm::Value* sarr = new llvm::BitCastInst(v,sarrty,"tmp",gIR->scopebb()); | |
448 | |
449 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
450 std::vector<llvm::Value*> llargs; | |
451 llargs.resize(4); | |
452 llargs[0] = sarr; | |
453 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
454 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
455 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
456 | |
457 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
458 | |
459 return ret; | |
460 } | |
461 | |
462 ////////////////////////////////////////////////////////////////////////////////////////// | |
463 | |
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464 llvm::Value* LLVM_DtoStructCopy(llvm::Value* dst, llvm::Value* src) |
1 | 465 { |
466 assert(dst->getType() == src->getType()); | |
467 assert(gIR); | |
468 | |
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469 uint64_t n = gTargetData->getTypeSize(dst->getType()->getContainedType(0)); |
1 | 470 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); |
471 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
472 | |
473 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
474 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
475 | |
476 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
477 std::vector<llvm::Value*> llargs; | |
478 llargs.resize(4); | |
479 llargs[0] = dstarr; | |
480 llargs[1] = srcarr; | |
481 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
482 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
483 | |
484 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
485 } | |
486 | |
487 ////////////////////////////////////////////////////////////////////////////////////////// | |
40 | 488 llvm::Constant* LLVM_DtoConstStructInitializer(StructInitializer* si) |
1 | 489 { |
490 llvm::StructType* structtype = llvm::cast<llvm::StructType>(si->ad->llvmType); | |
491 size_t n = structtype->getNumElements(); | |
492 | |
493 assert(si->value.dim == si->vars.dim); | |
494 | |
495 std::vector<llvm::Constant*> inits; | |
496 inits.resize(n, NULL); | |
497 for (int i = 0; i < si->value.dim; ++i) | |
498 { | |
499 Initializer* ini = (Initializer*)si->value.data[i]; | |
500 assert(ini); | |
501 | |
502 VarDeclaration* vd = (VarDeclaration*)si->vars.data[i]; | |
40 | 503 Type* vdtype = LLVM_DtoDType(vd->type); |
1 | 504 assert(vd); |
505 Logger::println("vars[%d] = %s", i, vd->toChars()); | |
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506 |
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507 std::vector<unsigned> idxs; |
40 | 508 si->ad->offsetToIndex(vdtype, vd->offset, idxs); |
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509 assert(idxs.size() == 1); |
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510 unsigned idx = idxs[0]; |
1 | 511 |
512 llvm::Constant* v = 0; | |
513 | |
514 if (ExpInitializer* ex = ini->isExpInitializer()) | |
515 { | |
40 | 516 v = ex->exp->toConstElem(gIR); |
1 | 517 } |
518 else if (StructInitializer* si = ini->isStructInitializer()) | |
519 { | |
40 | 520 v = LLVM_DtoConstStructInitializer(si); |
1 | 521 } |
522 else if (ArrayInitializer* ai = ini->isArrayInitializer()) | |
523 { | |
40 | 524 v = LLVM_DtoConstArrayInitializer(ai); |
1 | 525 } |
526 else if (ini->isVoidInitializer()) | |
527 { | |
528 v = llvm::UndefValue::get(structtype->getElementType(idx)); | |
529 } | |
530 else | |
531 assert(v); | |
532 | |
533 inits[idx] = v; | |
534 } | |
535 | |
536 // fill out nulls | |
537 assert(si->ad->llvmInitZ); | |
538 if (si->ad->llvmInitZ->isNullValue()) | |
539 { | |
540 for (int i = 0; i < n; ++i) | |
541 { | |
542 if (inits[i] == 0) | |
543 { | |
544 inits[i] = llvm::Constant::getNullValue(structtype->getElementType(i)); | |
545 } | |
546 } | |
547 } | |
548 else | |
549 { | |
550 for (int i = 0; i < n; ++i) | |
551 { | |
552 if (inits[i] == 0) | |
553 { | |
554 inits[i] = si->ad->llvmInitZ->getOperand(i); | |
555 } | |
556 } | |
557 } | |
558 | |
559 return llvm::ConstantStruct::get(structtype, inits); | |
560 } | |
561 | |
562 | |
563 | |
564 ////////////////////////////////////////////////////////////////////////////////////////// | |
565 | |
566 llvm::Value* LLVM_DtoNullDelegate(llvm::Value* v) | |
567 { | |
568 assert(gIR); | |
569 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
570 | |
571 llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
572 | |
573 llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb()); | |
574 | |
575 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
576 std::vector<llvm::Value*> llargs; | |
577 llargs.resize(4); | |
578 llargs[0] = arr; | |
579 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
580 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
581 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
582 | |
583 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
584 | |
585 return ret; | |
586 } | |
587 | |
588 ////////////////////////////////////////////////////////////////////////////////////////// | |
589 | |
590 llvm::Value* LLVM_DtoDelegateCopy(llvm::Value* dst, llvm::Value* src) | |
591 { | |
592 assert(dst->getType() == src->getType()); | |
593 assert(gIR); | |
594 | |
595 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
596 | |
597 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
598 | |
599 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
600 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
601 | |
602 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
603 std::vector<llvm::Value*> llargs; | |
604 llargs.resize(4); | |
605 llargs[0] = dstarr; | |
606 llargs[1] = srcarr; | |
607 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
608 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
609 | |
610 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
611 } | |
612 | |
53
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613 ////////////////////////////////////////////////////////////////////////////////////////// |
1 | 614 |
53
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615 llvm::Value* LLVM_DtoCompareDelegate(TOK op, llvm::Value* lhs, llvm::Value* rhs) |
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616 { |
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617 llvm::ICmpInst::Predicate pred = (op == TOKequal) ? llvm::ICmpInst::ICMP_EQ : llvm::ICmpInst::ICMP_NE; |
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618 llvm::Value* l = gIR->ir->CreateLoad(LLVM_DtoGEPi(lhs,0,0,"tmp"),"tmp"); |
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619 llvm::Value* r = gIR->ir->CreateLoad(LLVM_DtoGEPi(rhs,0,0,"tmp"),"tmp"); |
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620 llvm::Value* b1 = gIR->ir->CreateICmp(pred,l,r,"tmp"); |
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621 l = gIR->ir->CreateLoad(LLVM_DtoGEPi(lhs,0,1,"tmp"),"tmp"); |
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622 r = gIR->ir->CreateLoad(LLVM_DtoGEPi(rhs,0,1,"tmp"),"tmp"); |
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623 llvm::Value* b2 = gIR->ir->CreateICmp(pred,l,r,"tmp"); |
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624 llvm::Value* b = gIR->ir->CreateAnd(b1,b2,"tmp"); |
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625 if (op == TOKnotequal) |
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626 return gIR->ir->CreateNot(b,"tmp"); |
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627 return b; |
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628 } |
1 | 629 |
630 ////////////////////////////////////////////////////////////////////////////////////////// | |
631 | |
632 llvm::GlobalValue::LinkageTypes LLVM_DtoLinkage(PROT prot, uint stc) | |
633 { | |
634 switch(prot) | |
635 { | |
636 case PROTprivate: | |
637 return llvm::GlobalValue::InternalLinkage; | |
638 | |
639 case PROTpublic: | |
640 case PROTpackage: | |
641 case PROTprotected: | |
642 case PROTexport: | |
643 return llvm::GlobalValue::ExternalLinkage; | |
644 | |
645 case PROTundefined: | |
646 case PROTnone: | |
647 assert(0 && "Unsupported linkage type"); | |
648 } | |
649 return llvm::GlobalValue::ExternalLinkage; | |
650 | |
651 /* ExternalLinkage = 0, LinkOnceLinkage, WeakLinkage, AppendingLinkage, | |
652 InternalLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage, | |
653 GhostLinkage */ | |
654 } | |
655 | |
656 ////////////////////////////////////////////////////////////////////////////////////////// | |
657 | |
658 unsigned LLVM_DtoCallingConv(LINK l) | |
659 { | |
660 if (l == LINKc) | |
661 return llvm::CallingConv::C; | |
662 else if (l == LINKd || l == LINKdefault) | |
663 return llvm::CallingConv::Fast; | |
664 else if (l == LINKwindows) | |
665 return llvm::CallingConv::X86_StdCall; | |
666 else | |
667 assert(0 && "Unsupported calling convention"); | |
668 } | |
669 | |
670 ////////////////////////////////////////////////////////////////////////////////////////// | |
671 | |
672 llvm::Value* LLVM_DtoPointedType(llvm::Value* ptr, llvm::Value* val) | |
673 { | |
674 const llvm::Type* ptrTy = ptr->getType()->getContainedType(0); | |
675 const llvm::Type* valTy = val->getType(); | |
676 // ptr points to val's type | |
677 if (ptrTy == valTy) | |
678 { | |
679 return val; | |
680 } | |
681 // ptr is integer pointer | |
682 else if (ptrTy->isInteger()) | |
683 { | |
684 // val is integer | |
685 assert(valTy->isInteger()); | |
686 const llvm::IntegerType* pt = llvm::cast<const llvm::IntegerType>(ptrTy); | |
687 const llvm::IntegerType* vt = llvm::cast<const llvm::IntegerType>(valTy); | |
688 if (pt->getBitWidth() < vt->getBitWidth()) { | |
689 return new llvm::TruncInst(val, pt, "tmp", gIR->scopebb()); | |
690 } | |
691 else | |
692 assert(0); | |
693 } | |
694 // something else unsupported | |
695 else | |
696 { | |
697 Logger::cout() << *ptrTy << '|' << *valTy << '\n'; | |
698 assert(0); | |
699 } | |
700 return 0; | |
701 } | |
702 | |
703 ////////////////////////////////////////////////////////////////////////////////////////// | |
704 | |
705 llvm::Value* LLVM_DtoBoolean(llvm::Value* val) | |
706 { | |
707 const llvm::Type* t = val->getType(); | |
708 if (t->isInteger()) | |
709 { | |
710 if (t == llvm::Type::Int1Ty) | |
711 return val; | |
712 else { | |
713 llvm::Value* zero = llvm::ConstantInt::get(t, 0, false); | |
714 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, val, zero, "tmp", gIR->scopebb()); | |
715 } | |
716 } | |
717 else if (llvm::isa<llvm::PointerType>(t)) { | |
718 const llvm::Type* st = LLVM_DtoSize_t(); | |
719 llvm::Value* ptrasint = new llvm::PtrToIntInst(val,st,"tmp",gIR->scopebb()); | |
720 llvm::Value* zero = llvm::ConstantInt::get(st, 0, false); | |
721 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, ptrasint, zero, "tmp", gIR->scopebb()); | |
722 } | |
723 else | |
724 { | |
725 Logger::cout() << *t << '\n'; | |
726 } | |
727 assert(0); | |
728 return 0; | |
729 } | |
730 | |
731 ////////////////////////////////////////////////////////////////////////////////////////// | |
732 | |
733 const llvm::Type* LLVM_DtoSize_t() | |
734 { | |
735 if (global.params.is64bit) | |
736 return llvm::Type::Int64Ty; | |
737 else | |
738 return llvm::Type::Int32Ty; | |
739 } | |
740 | |
741 ////////////////////////////////////////////////////////////////////////////////////////// | |
742 | |
743 void LLVM_DtoMain() | |
744 { | |
745 // emit main function llvm style | |
746 // int main(int argc, char**argv, char**env); | |
747 | |
748 assert(gIR != 0); | |
749 IRState& ir = *gIR; | |
750 | |
751 assert(ir.emitMain && ir.mainFunc); | |
752 | |
753 // parameter types | |
754 std::vector<const llvm::Type*> pvec; | |
755 pvec.push_back((const llvm::Type*)llvm::Type::Int32Ty); | |
756 const llvm::Type* chPtrType = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
757 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
758 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
759 const llvm::Type* rettype = (const llvm::Type*)llvm::Type::Int32Ty; | |
760 | |
761 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, pvec, false); | |
762 llvm::Function* func = new llvm::Function(functype,llvm::GlobalValue::ExternalLinkage,"main",ir.module); | |
763 | |
764 llvm::BasicBlock* bb = new llvm::BasicBlock("entry",func); | |
765 | |
766 // call static ctors | |
767 llvm::Function* fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_ctors"); | |
768 new llvm::CallInst(fn,"",bb); | |
769 | |
770 // call user main function | |
771 llvm::CallInst* call = new llvm::CallInst(ir.mainFunc,"ret",bb); | |
772 call->setCallingConv(ir.mainFunc->getCallingConv()); | |
773 | |
774 // call static dtors | |
775 fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_dtors"); | |
776 new llvm::CallInst(fn,"",bb); | |
777 | |
778 // return | |
779 new llvm::ReturnInst(call,bb); | |
780 } | |
781 | |
782 ////////////////////////////////////////////////////////////////////////////////////////// | |
783 | |
784 void LLVM_DtoCallClassDtors(TypeClass* tc, llvm::Value* instance) | |
785 { | |
786 Array* arr = &tc->sym->dtors; | |
787 for (size_t i=0; i<arr->dim; i++) | |
788 { | |
789 FuncDeclaration* fd = (FuncDeclaration*)arr->data[i]; | |
790 assert(fd->llvmValue); | |
791 new llvm::CallInst(fd->llvmValue, instance, "", gIR->scopebb()); | |
792 } | |
793 } | |
794 | |
795 ////////////////////////////////////////////////////////////////////////////////////////// | |
796 | |
797 void LLVM_DtoInitClass(TypeClass* tc, llvm::Value* dst) | |
798 { | |
799 assert(gIR); | |
800 | |
801 assert(tc->llvmType); | |
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802 uint64_t size_t_size = gTargetData->getTypeSize(LLVM_DtoSize_t()); |
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803 uint64_t n = gTargetData->getTypeSize(tc->llvmType) - size_t_size; |
1 | 804 |
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805 // set vtable field |
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806 llvm::Value* vtblvar = LLVM_DtoGEPi(dst,0,0,"tmp",gIR->scopebb()); |
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807 assert(tc->sym->llvmVtbl); |
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808 new llvm::StoreInst(tc->sym->llvmVtbl, vtblvar, gIR->scopebb()); |
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809 |
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810 // copy the static initializer |
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811 if (n > 0) { |
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812 assert(tc->llvmInit); |
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813 assert(dst->getType() == tc->llvmInit->getType()); |
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814 |
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815 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); |
1 | 816 |
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817 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); |
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818 dstarr = LLVM_DtoGEPi(dstarr,size_t_size,"tmp",gIR->scopebb()); |
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819 |
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820 llvm::Value* srcarr = new llvm::BitCastInst(tc->llvmInit,arrty,"tmp",gIR->scopebb()); |
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821 srcarr = LLVM_DtoGEPi(srcarr,size_t_size,"tmp",gIR->scopebb()); |
1 | 822 |
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823 llvm::Function* fn = LLVM_DeclareMemCpy32(); |
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824 std::vector<llvm::Value*> llargs; |
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825 llargs.resize(4); |
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826 llargs[0] = dstarr; |
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827 llargs[1] = srcarr; |
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828 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); |
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829 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); |
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830 |
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831 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); |
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832 } |
1 | 833 } |
834 | |
835 ////////////////////////////////////////////////////////////////////////////////////////// | |
836 | |
40 | 837 llvm::Constant* LLVM_DtoConstInitializer(Type* type, Initializer* init) |
1 | 838 { |
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839 llvm::Constant* _init = 0; // may return zero |
1 | 840 if (!init) |
841 { | |
40 | 842 Logger::println("const default initializer for %s", type->toChars()); |
843 _init = type->defaultInit()->toConstElem(gIR); | |
1 | 844 } |
845 else if (ExpInitializer* ex = init->isExpInitializer()) | |
846 { | |
40 | 847 Logger::println("const expression initializer"); |
848 _init = ex->exp->toConstElem(gIR); | |
1 | 849 } |
850 else if (StructInitializer* si = init->isStructInitializer()) | |
851 { | |
40 | 852 Logger::println("const struct initializer"); |
853 _init = LLVM_DtoConstStructInitializer(si); | |
1 | 854 } |
855 else if (ArrayInitializer* ai = init->isArrayInitializer()) | |
856 { | |
40 | 857 Logger::println("const array initializer"); |
858 _init = LLVM_DtoConstArrayInitializer(ai); | |
1 | 859 } |
860 else if (init->isVoidInitializer()) | |
861 { | |
40 | 862 Logger::println("const void initializer"); |
1 | 863 const llvm::Type* ty = LLVM_DtoType(type); |
864 _init = llvm::Constant::getNullValue(ty); | |
865 } | |
866 else { | |
40 | 867 Logger::println("unsupported const initializer: %s", init->toChars()); |
868 } | |
869 return _init; | |
870 } | |
871 | |
872 ////////////////////////////////////////////////////////////////////////////////////////// | |
873 | |
874 void LLVM_DtoInitializer(Initializer* init) | |
875 { | |
876 if (ExpInitializer* ex = init->isExpInitializer()) | |
877 { | |
878 Logger::println("expression initializer"); | |
879 elem* e = ex->exp->toElem(gIR); | |
880 delete e; | |
881 } | |
882 else { | |
1 | 883 Logger::println("unsupported initializer: %s", init->toChars()); |
884 } | |
885 } | |
6 | 886 |
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887 ////////////////////////////////////////////////////////////////////////////////////////// |
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888 |
6 | 889 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, llvm::Value* i0, llvm::Value* i1, const std::string& var, llvm::BasicBlock* bb) |
890 { | |
891 std::vector<llvm::Value*> v(2); | |
892 v[0] = i0; | |
893 v[1] = i1; | |
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894 Logger::cout() << "DtoGEP: " << *ptr << '\n'; |
50
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895 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb?bb:gIR->scopebb()); |
6 | 896 } |
8
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897 |
11
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898 ////////////////////////////////////////////////////////////////////////////////////////// |
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899 |
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900 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, const std::vector<unsigned>& src, const std::string& var, llvm::BasicBlock* bb) |
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901 { |
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902 size_t n = src.size(); |
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903 std::vector<llvm::Value*> dst(n); |
40 | 904 std::ostream& ostr = Logger::cout(); |
905 ostr << "indices for '" << *ptr << "':"; | |
8
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906 for (size_t i=0; i<n; ++i) |
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907 { |
40 | 908 ostr << ' ' << i; |
8
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909 dst[i] = llvm::ConstantInt::get(llvm::Type::Int32Ty, src[i], false); |
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910 } |
40 | 911 ostr << '\n'; |
50
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912 return new llvm::GetElementPtrInst(ptr, dst.begin(), dst.end(), var, bb?bb:gIR->scopebb()); |
8
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913 } |
9 | 914 |
11
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915 ////////////////////////////////////////////////////////////////////////////////////////// |
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916 |
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917 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i, const std::string& var, llvm::BasicBlock* bb) |
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918 { |
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919 return new llvm::GetElementPtrInst(ptr, llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false), var, bb?bb:gIR->scopebb()); |
11
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920 } |
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921 |
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922 ////////////////////////////////////////////////////////////////////////////////////////// |
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923 |
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924 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i0, unsigned i1, const std::string& var, llvm::BasicBlock* bb) |
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925 { |
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926 std::vector<llvm::Value*> v(2); |
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927 v[0] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i0, false); |
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928 v[1] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i1, false); |
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929 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb?bb:gIR->scopebb()); |
11
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930 } |
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931 |
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932 ////////////////////////////////////////////////////////////////////////////////////////// |
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933 |
9 | 934 llvm::Function* LLVM_DtoDeclareFunction(FuncDeclaration* fdecl) |
935 { | |
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936 // mangled name |
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937 char* mangled_name = (fdecl->llvmInternal == LLVMintrinsic) ? fdecl->llvmInternal1 : fdecl->mangle(); |
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938 |
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939 // unit test special handling |
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940 if (fdecl->isUnitTestDeclaration()) |
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941 { |
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942 assert(0 && "no unittests yet"); |
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943 /*const llvm::FunctionType* fnty = llvm::FunctionType::get(llvm::Type::VoidTy, std::vector<const llvm::Type*>(), false); |
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944 // make the function |
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945 llvm::Function* func = gIR->module->getFunction(mangled_name); |
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946 if (func == 0) |
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947 func = new llvm::Function(fnty,llvm::GlobalValue::InternalLinkage,mangled_name,gIR->module); |
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948 func->setCallingConv(llvm::CallingConv::Fast); |
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949 fdecl->llvmValue = func; |
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950 return func; |
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951 */ |
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952 } |
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953 |
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954 // regular function |
40 | 955 TypeFunction* f = (TypeFunction*)LLVM_DtoDType(fdecl->type); |
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956 assert(f != 0); |
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957 |
9 | 958 if (fdecl->llvmValue != 0) { |
18 | 959 if (!llvm::isa<llvm::Function>(fdecl->llvmValue)) |
960 { | |
961 Logger::cout() << *fdecl->llvmValue << '\n'; | |
962 assert(0); | |
963 } | |
9 | 964 return llvm::cast<llvm::Function>(fdecl->llvmValue); |
965 } | |
966 | |
18 | 967 Logger::print("FuncDeclaration::toObjFile(%s): %s\n", fdecl->needThis()?"this":"static",fdecl->toChars()); |
9 | 968 LOG_SCOPE; |
969 | |
970 if (fdecl->llvmInternal == LLVMintrinsic && fdecl->fbody) { | |
971 error("intrinsics cannot have function bodies"); | |
972 fatal(); | |
973 } | |
974 | |
975 // construct function | |
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976 const llvm::FunctionType* functype = (f->llvmType == 0) ? LLVM_DtoFunctionType(fdecl) : llvm::cast<llvm::FunctionType>(f->llvmType); |
9 | 977 |
978 // make the function | |
979 llvm::Function* func = gIR->module->getFunction(mangled_name); | |
980 if (func == 0) { | |
981 func = new llvm::Function(functype,LLVM_DtoLinkage(fdecl->protection, fdecl->storage_class),mangled_name,gIR->module); | |
982 } | |
983 | |
984 if (fdecl->llvmInternal != LLVMintrinsic) | |
985 func->setCallingConv(LLVM_DtoCallingConv(f->linkage)); | |
986 | |
987 fdecl->llvmValue = func; | |
988 f->llvmType = functype; | |
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989 assert(llvm::isa<llvm::FunctionType>(f->llvmType)); |
9 | 990 |
991 if (fdecl->isMain()) { | |
992 gIR->mainFunc = func; | |
993 } | |
994 | |
995 // name parameters | |
996 llvm::Function::arg_iterator iarg = func->arg_begin(); | |
997 int k = 0; | |
998 if (f->llvmRetInPtr) { | |
999 iarg->setName("retval"); | |
1000 f->llvmRetArg = iarg; | |
1001 ++iarg; | |
1002 } | |
1003 if (f->llvmUsesThis) { | |
1004 iarg->setName("this"); | |
1005 ++iarg; | |
1006 } | |
1007 for (; iarg != func->arg_end(); ++iarg) | |
1008 { | |
1009 Argument* arg = Argument::getNth(f->parameters, k++); | |
1010 assert(arg != 0); | |
1011 //arg->llvmValue = iarg; | |
1012 //printf("identifier: '%s' %p\n", arg->ident->toChars(), arg->ident); | |
1013 if (arg->ident != 0) { | |
1014 if (arg->vardecl) { | |
1015 arg->vardecl->llvmValue = iarg; | |
1016 } | |
1017 iarg->setName(arg->ident->toChars()); | |
1018 } | |
1019 else { | |
1020 iarg->setName("unnamed"); | |
1021 } | |
1022 } | |
1023 | |
1024 return func; | |
1025 } | |
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1026 |
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1027 ////////////////////////////////////////////////////////////////////////////////////////// |
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1028 |
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1029 void LLVM_DtoGiveArgumentStorage(elem* l) |
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1030 { |
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1031 assert(l->mem == 0); |
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1032 assert(l->val); |
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1033 assert(llvm::isa<llvm::Argument>(l->val)); |
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1034 assert(l->vardecl != 0); |
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1035 |
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1036 llvm::AllocaInst* allocainst = new llvm::AllocaInst(l->val->getType(), l->val->getName()+"_storage", gIR->topallocapoint()); |
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1037 l->mem = allocainst; |
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1038 l->vardecl->llvmValue = l->mem; |
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1039 } |
34 | 1040 |
1041 ////////////////////////////////////////////////////////////////////////////////////////// | |
1042 | |
1043 llvm::Value* LLVM_DtoRealloc(llvm::Value* ptr, const llvm::Type* ty) | |
1044 { | |
1045 /*size_t sz = gTargetData->getTypeSize(ty); | |
1046 llvm::ConstantInt* n = llvm::ConstantInt::get(LLVM_DtoSize_t(), sz, false); | |
1047 if (ptr == 0) { | |
1048 llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
1049 ptr = llvm::ConstantPointerNull::get(i8pty); | |
1050 } | |
1051 return LLVM_DtoRealloc(ptr, n);*/ | |
1052 return NULL; | |
1053 } | |
1054 | |
1055 ////////////////////////////////////////////////////////////////////////////////////////// | |
1056 | |
1057 llvm::Value* LLVM_DtoRealloc(llvm::Value* ptr, llvm::Value* n) | |
1058 { | |
1059 assert(ptr); | |
1060 assert(n); | |
1061 | |
1062 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_realloc"); | |
1063 assert(fn); | |
1064 | |
1065 llvm::Value* newptr = ptr; | |
1066 | |
1067 llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
1068 if (ptr->getType() != i8pty) { | |
1069 newptr = new llvm::BitCastInst(ptr,i8pty,"tmp",gIR->scopebb()); | |
1070 } | |
1071 | |
1072 std::vector<llvm::Value*> args; | |
1073 args.push_back(newptr); | |
1074 args.push_back(n); | |
1075 llvm::Value* ret = new llvm::CallInst(fn, args.begin(), args.end(), "tmprealloc", gIR->scopebb()); | |
1076 | |
1077 return ret->getType() == ptr->getType() ? ret : new llvm::BitCastInst(ret,ptr->getType(),"tmp",gIR->scopebb()); | |
1078 } | |
1079 | |
1080 ////////////////////////////////////////////////////////////////////////////////////////// | |
1081 | |
1082 void LLVM_DtoAssert(llvm::Value* cond, llvm::Value* loc, llvm::Value* msg) | |
1083 { | |
1084 assert(loc); | |
1085 std::vector<llvm::Value*> llargs; | |
1086 llargs.resize(3); | |
1087 llargs[0] = cond ? LLVM_DtoBoolean(cond) : llvm::ConstantInt::getFalse(); | |
1088 llargs[1] = loc; | |
1089 llargs[2] = msg ? msg : llvm::ConstantPointerNull::get(llvm::PointerType::get(llvm::Type::Int8Ty)); | |
1090 | |
1091 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_assert"); | |
1092 assert(fn); | |
1093 llvm::CallInst* call = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
1094 call->setCallingConv(llvm::CallingConv::C); | |
1095 } | |
1096 | |
40 | 1097 ////////////////////////////////////////////////////////////////////////////////////////// |
34 | 1098 |
40 | 1099 llvm::Value* LLVM_DtoArgument(const llvm::Type* paramtype, Argument* fnarg, Expression* argexp) |
1100 { | |
1101 llvm::Value* retval = 0; | |
1102 | |
1103 bool haslvals = !gIR->lvals.empty(); | |
1104 if (haslvals) | |
1105 gIR->lvals.push_back(NULL); | |
1106 | |
1107 elem* arg = argexp->toElem(gIR); | |
1108 | |
1109 if (haslvals) | |
1110 gIR->lvals.pop_back(); | |
1111 | |
1112 if (arg->inplace) { | |
1113 assert(arg->mem != 0); | |
1114 retval = arg->mem; | |
1115 delete arg; | |
1116 return retval; | |
1117 } | |
1118 | |
1119 Type* realtype = LLVM_DtoDType(argexp->type); | |
1120 TY argty = realtype->ty; | |
1121 if (LLVM_DtoIsPassedByRef(realtype)) { | |
1122 if (!fnarg || !fnarg->llvmCopy) { | |
1123 retval = arg->getValue(); | |
1124 assert(retval != 0); | |
1125 } | |
1126 else { | |
1127 llvm::Value* allocaInst = 0; | |
1128 llvm::BasicBlock* entryblock = &gIR->topfunc()->front(); | |
1129 //const llvm::PointerType* pty = llvm::cast<llvm::PointerType>(arg->mem->getType()); | |
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1130 const llvm::Type* realtypell = LLVM_DtoType(realtype); |
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1131 const llvm::PointerType* pty = llvm::PointerType::get(realtypell); |
40 | 1132 if (argty == Tstruct) { |
1133 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
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1134 LLVM_DtoStructCopy(allocaInst,arg->mem); |
40 | 1135 } |
1136 else if (argty == Tdelegate) { | |
1137 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
1138 LLVM_DtoDelegateCopy(allocaInst,arg->mem); | |
1139 } | |
1140 else if (argty == Tarray) { | |
1141 if (arg->type == elem::SLICE) { | |
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1142 allocaInst = new llvm::AllocaInst(realtypell, "tmpparam", gIR->topallocapoint()); |
40 | 1143 LLVM_DtoSetArray(allocaInst, arg->arg, arg->mem); |
1144 } | |
1145 else { | |
1146 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
1147 LLVM_DtoArrayAssign(allocaInst,arg->mem); | |
1148 } | |
1149 } | |
1150 else | |
1151 assert(0); | |
1152 | |
1153 assert(allocaInst != 0); | |
1154 retval = allocaInst; | |
1155 } | |
1156 } | |
1157 else if (!fnarg || fnarg->llvmCopy) { | |
1158 Logger::println("regular arg"); | |
1159 assert(arg->type != elem::SLICE); | |
1160 if (arg->mem) Logger::cout() << "mem = " << *arg->mem << '\n'; | |
1161 if (arg->val) Logger::cout() << "val = " << *arg->val << '\n'; | |
1162 if (arg->arg) Logger::cout() << "arg = " << *arg->arg << '\n'; | |
1163 retval = arg->arg ? arg->arg : arg->field ? arg->mem : arg->getValue(); | |
1164 } | |
1165 else { | |
1166 Logger::println("as ptr arg"); | |
1167 retval = arg->mem ? arg->mem : arg->val; | |
1168 if (retval->getType() != paramtype) | |
1169 { | |
1170 assert(retval->getType() == paramtype->getContainedType(0)); | |
1171 LLVM_DtoGiveArgumentStorage(arg); | |
1172 new llvm::StoreInst(retval, arg->mem, gIR->scopebb()); | |
1173 retval = arg->mem; | |
1174 } | |
1175 } | |
1176 | |
1177 delete arg; | |
1178 | |
1179 if (fnarg && retval->getType() != paramtype) { | |
1180 Logger::cout() << "got '" << *retval->getType() << "' expected '" << *paramtype << "'\n"; | |
1181 assert(0 && "parameter type that was actually passed is invalid"); | |
1182 } | |
1183 return retval; | |
1184 } | |
34 | 1185 |
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1186 ////////////////////////////////////////////////////////////////////////////////////////// |
34 | 1187 |
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1188 llvm::Value* LLVM_DtoNestedVariable(VarDeclaration* vd) |
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1189 { |
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1190 FuncDeclaration* fd = vd->toParent()->isFuncDeclaration(); |
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1191 assert(fd != NULL); |
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1192 |
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1193 IRFunction* fcur = &gIR->func(); |
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1194 FuncDeclaration* f = fcur->decl; |
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1195 |
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1196 // on this stack |
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1197 if (fd == f) { |
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1198 return LLVM_DtoGEPi(vd->llvmValue,0,unsigned(vd->llvmNestedIndex),"tmp"); |
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1199 } |
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1200 |
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1201 // on a caller stack |
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1202 llvm::Value* ptr = f->llvmThisVar; |
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1203 assert(ptr); |
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1204 |
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1205 f = f->toParent()->isFuncDeclaration(); |
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1206 assert(f); |
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1207 assert(f->llvmNested); |
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1208 const llvm::Type* nesttype = f->llvmNested->getType(); |
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1209 assert(nesttype); |
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1210 |
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1211 ptr = gIR->ir->CreateBitCast(ptr, nesttype, "tmp"); |
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1212 |
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1213 Logger::cout() << "nested var reference:" << '\n' << *ptr << *nesttype << '\n'; |
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1214 |
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1215 while (f) { |
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1216 if (fd == f) { |
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1217 return LLVM_DtoGEPi(ptr,0,vd->llvmNestedIndex,"tmp"); |
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1218 } |
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1219 else { |
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1220 ptr = LLVM_DtoGEPi(ptr,0,0,"tmp"); |
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1221 ptr = gIR->ir->CreateLoad(ptr,"tmp"); |
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1222 } |
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1223 f = f->toParent()->isFuncDeclaration(); |
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1224 } |
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1225 |
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1226 assert(0 && "nested var not found"); |
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1227 return NULL; |
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1228 } |
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1229 |
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1230 ////////////////////////////////////////////////////////////////////////////////////////// |
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1231 |
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1232 void LLVM_DtoAssign(Type* t, llvm::Value* lhs, llvm::Value* rhs) |
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1233 { |
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1234 Logger::cout() << "assignment:" << '\n' << *lhs << *rhs << '\n'; |
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1235 |
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1236 if (t->ty == Tstruct) { |
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1237 assert(lhs->getType() == rhs->getType()); |
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1238 LLVM_DtoStructCopy(lhs,rhs); |
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1239 } |
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1240 else if (t->ty == Tarray) { |
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1241 assert(lhs->getType() == rhs->getType()); |
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1242 LLVM_DtoArrayAssign(lhs,rhs); |
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1243 } |
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1244 else if (t->ty == Tsarray) { |
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1245 assert(lhs->getType() == rhs->getType()); |
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1246 LLVM_DtoStaticArrayCopy(lhs,rhs); |
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1247 } |
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1248 else if (t->ty == Tdelegate) { |
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1249 assert(lhs->getType() == rhs->getType()); |
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1250 LLVM_DtoDelegateCopy(lhs,rhs); |
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1251 } |
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1252 else { |
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1253 assert(lhs->getType()->getContainedType(0) == rhs->getType()); |
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1254 gIR->ir->CreateStore(rhs, lhs); |
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1255 } |
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1256 } |