/
aa.cpp
288 lines (238 loc) · 8.8 KB
/
aa.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
//===-- aa.cpp ------------------------------------------------------------===//
//
// LDC – the LLVM D compiler
//
// This file is distributed under the BSD-style LDC license. See the LICENSE
// file for details.
//
//===----------------------------------------------------------------------===//
#include "gen/aa.h"
#include "aggregate.h"
#include "declaration.h"
#include "module.h"
#include "mtype.h"
#include "gen/dvalue.h"
#include "gen/irstate.h"
#include "gen/llvm.h"
#include "gen/llvmhelpers.h"
#include "gen/logger.h"
#include "gen/runtime.h"
#include "gen/tollvm.h"
#include "ir/irmodule.h"
#if DMDV2
// returns the keytype typeinfo
static LLValue* to_keyti(DValue* aa)
{
// keyti param
assert(aa->type->toBasetype()->ty == Taarray);
TypeAArray * aatype = static_cast<TypeAArray*>(aa->type->toBasetype());
return DtoTypeInfoOf(aatype->index, false);
}
#else
// returns the keytype typeinfo
static LLValue* to_keyti(DValue* key)
{
// keyti param
Type* keytype = key->getType();
return DtoTypeInfoOf(keytype, false);
}
#endif
/////////////////////////////////////////////////////////////////////////////////////
DValue* DtoAAIndex(Loc& loc, Type* type, DValue* aa, DValue* key, bool lvalue)
{
// D1:
// call:
// extern(C) void* _aaGet(AA* aa, TypeInfo keyti, size_t valuesize, void* pkey)
// or
// extern(C) void* _aaIn(AA aa*, TypeInfo keyti, void* pkey)
// D2:
// call:
// extern(C) void* _aaGetX(AA* aa, TypeInfo keyti, size_t valuesize, void* pkey)
// or
// extern(C) void* _aaInX(AA aa*, TypeInfo keyti, void* pkey)
// first get the runtime function
#if DMDV2
llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, lvalue?"_aaGetX":"_aaInX");
#else
llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, lvalue?"_aaGet":"_aaIn");
#endif
LLFunctionType* funcTy = func->getFunctionType();
// aa param
LLValue* aaval = lvalue ? aa->getLVal() : aa->getRVal();
aaval = DtoBitCast(aaval, funcTy->getParamType(0));
// keyti param
#if DMDV2
LLValue* keyti = to_keyti(aa);
#else
LLValue* keyti = to_keyti(key);
#endif
keyti = DtoBitCast(keyti, funcTy->getParamType(1));
// pkey param
LLValue* pkey = makeLValue(loc, key);
pkey = DtoBitCast(pkey, funcTy->getParamType(lvalue ? 3 : 2));
// call runtime
LLValue* ret;
if (lvalue) {
// valuesize param
LLValue* valsize = DtoConstSize_t(getTypePaddedSize(DtoType(type)));
ret = gIR->CreateCallOrInvoke4(func, aaval, keyti, valsize, pkey, "aa.index").getInstruction();
} else {
ret = gIR->CreateCallOrInvoke3(func, aaval, keyti, pkey, "aa.index").getInstruction();
}
// cast return value
LLType* targettype = getPtrToType(DtoType(type));
if (ret->getType() != targettype)
ret = DtoBitCast(ret, targettype);
// Only check bounds for rvalues ('aa[key]').
// Lvalue use ('aa[key] = value') auto-adds an element.
if (!lvalue && global.params.useArrayBounds) {
llvm::BasicBlock* oldend = gIR->scopeend();
llvm::BasicBlock* failbb = llvm::BasicBlock::Create(gIR->context(), "aaboundscheckfail", gIR->topfunc(), oldend);
llvm::BasicBlock* okbb = llvm::BasicBlock::Create(gIR->context(), "aaboundsok", gIR->topfunc(), oldend);
LLValue* nullaa = LLConstant::getNullValue(ret->getType());
LLValue* cond = gIR->ir->CreateICmpNE(nullaa, ret, "aaboundscheck");
gIR->ir->CreateCondBr(cond, okbb, failbb);
// set up failbb to call the array bounds error runtime function
gIR->scope() = IRScope(failbb, okbb);
std::vector<LLValue*> args;
#if DMDV2
// module param
LLValue *moduleInfoSymbol = gIR->func()->decl->getModule()->moduleInfoSymbol();
LLType *moduleInfoType = DtoType(Module::moduleinfo->type);
args.push_back(DtoBitCast(moduleInfoSymbol, getPtrToType(moduleInfoType)));
#else
// file param
IrModule* irmod = getIrModule(NULL);
args.push_back(DtoLoad(irmod->fileName));
#endif
// line param
LLConstant* c = DtoConstUint(loc.linnum);
args.push_back(c);
// call
llvm::Function* errorfn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_array_bounds");
gIR->CreateCallOrInvoke(errorfn, args);
// the function does not return
gIR->ir->CreateUnreachable();
// if ok, proceed in okbb
gIR->scope() = IRScope(okbb, oldend);
}
return new DVarValue(type, ret);
}
/////////////////////////////////////////////////////////////////////////////////////
DValue* DtoAAIn(Loc& loc, Type* type, DValue* aa, DValue* key)
{
// D1:
// call:
// extern(C) void* _aaIn(AA aa*, TypeInfo keyti, void* pkey)
// D2:
// call:
// extern(C) void* _aaInX(AA aa*, TypeInfo keyti, void* pkey)
// first get the runtime function
#if DMDV2
llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_aaInX");
#else
llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_aaIn");
#endif
LLFunctionType* funcTy = func->getFunctionType();
if (Logger::enabled())
Logger::cout() << "_aaIn = " << *func << '\n';
// aa param
LLValue* aaval = aa->getRVal();
if (Logger::enabled())
{
Logger::cout() << "aaval: " << *aaval << '\n';
Logger::cout() << "totype: " << *funcTy->getParamType(0) << '\n';
}
aaval = DtoBitCast(aaval, funcTy->getParamType(0));
// keyti param
#if DMDV2
LLValue* keyti = to_keyti(aa);
#else
LLValue* keyti = to_keyti(key);
#endif
keyti = DtoBitCast(keyti, funcTy->getParamType(1));
// pkey param
LLValue* pkey = makeLValue(loc, key);
pkey = DtoBitCast(pkey, getVoidPtrType());
// call runtime
LLValue* ret = gIR->CreateCallOrInvoke3(func, aaval, keyti, pkey, "aa.in").getInstruction();
// cast return value
LLType* targettype = DtoType(type);
if (ret->getType() != targettype)
ret = DtoBitCast(ret, targettype);
return new DImValue(type, ret);
}
/////////////////////////////////////////////////////////////////////////////////////
DValue *DtoAARemove(Loc& loc, DValue* aa, DValue* key)
{
// D1:
// call:
// extern(C) void _aaDel(AA aa, TypeInfo keyti, void* pkey)
// D2:
// call:
// extern(C) bool _aaDelX(AA aa, TypeInfo keyti, void* pkey)
// first get the runtime function
#if DMDV2
llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_aaDelX");
#else
llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_aaDel");
#endif
LLFunctionType* funcTy = func->getFunctionType();
if (Logger::enabled())
Logger::cout() << "_aaDel = " << *func << '\n';
// aa param
LLValue* aaval = aa->getRVal();
if (Logger::enabled())
{
Logger::cout() << "aaval: " << *aaval << '\n';
Logger::cout() << "totype: " << *funcTy->getParamType(0) << '\n';
}
aaval = DtoBitCast(aaval, funcTy->getParamType(0));
// keyti param
#if DMDV2
LLValue* keyti = to_keyti(aa);
#else
LLValue* keyti = to_keyti(key);
#endif
keyti = DtoBitCast(keyti, funcTy->getParamType(1));
// pkey param
LLValue* pkey = makeLValue(loc, key);
pkey = DtoBitCast(pkey, funcTy->getParamType(2));
// build arg vector
LLSmallVector<LLValue*, 3> args;
args.push_back(aaval);
args.push_back(keyti);
args.push_back(pkey);
// call runtime
LLCallSite call = gIR->CreateCallOrInvoke(func, args);
#if DMDV2
return new DImValue(Type::tbool, call.getInstruction());
#else
return NULL;
#endif
}
/////////////////////////////////////////////////////////////////////////////////////
LLValue* DtoAAEquals(Loc& loc, TOK op, DValue* l, DValue* r)
{
Type* t = l->getType()->toBasetype();
assert(t == r->getType()->toBasetype() && "aa equality is only defined for aas of same type");
#if DMDV2
llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_aaEqual");
LLFunctionType* funcTy = func->getFunctionType();
LLValue* aaval = DtoBitCast(l->getRVal(), funcTy->getParamType(1));
LLValue* abval = DtoBitCast(r->getRVal(), funcTy->getParamType(2));
LLValue* aaTypeInfo = DtoTypeInfoOf(t);
LLValue* res = gIR->CreateCallOrInvoke3(func, aaTypeInfo, aaval, abval, "aaEqRes").getInstruction();
#else
llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_aaEq");
LLFunctionType* funcTy = func->getFunctionType();
LLValue* aaval = DtoBitCast(l->getRVal(), funcTy->getParamType(0));
LLValue* abval = DtoBitCast(r->getRVal(), funcTy->getParamType(1));
LLValue* aaTypeInfo = DtoTypeInfoOf(t);
LLValue* res = gIR->CreateCallOrInvoke3(func, aaval, abval, aaTypeInfo, "aaEqRes").getInstruction();
#endif
res = gIR->ir->CreateICmpNE(res, DtoConstInt(0), "tmp");
if (op == TOKnotequal)
res = gIR->ir->CreateNot(res, "tmp");
return res;
}