GCC Code Coverage Report

Directory: ../
File: src/irgenerator/GenTopLevelDefinitions.cpp
Date: 2024-11-22 23:10:59
Exec Total Coverage
Lines: 353 362 97.5%
Functions: 14 14 100.0%
Branches: 472 836 56.5%
Line Branch Exec Source
1 // Copyright (c) 2021-2024 ChilliBits. All rights reserved.
2
3 #include "IRGenerator.h"
4
5 #include <llvm/IR/Module.h>
6
7 #include <SourceFile.h>
8 #include <ast/ASTNodes.h>
9 #include <ast/Attributes.h>
10 #include <driver/Driver.h>
11 #include <irgenerator/NameMangling.h>
12 #include <symboltablebuilder/SymbolTableBuilder.h>
13
14 namespace spice::compiler {
15
16 213 std::any IRGenerator::visitMainFctDef(const MainFctDefNode *node) {
17 // Ignore main function definitions if this is not the main source file
18
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 213 if (!sourceFile->isMainFile)
19 ✗ return nullptr;
20
21 // Do not generate main function if it is explicitly specified
22
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 213 if (cliOptions.noEntryFct)
23
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 1 return nullptr;
24
25 // Change scope to function scope
26 212 currentScope = node->bodyScope;
27
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 212 assert(currentScope != nullptr);
28
29 // Visit parameters
30 212 std::vector<std::pair<std::string, SymbolTableEntry *>> paramInfoList;
31 212 QualTypeList paramSymbolTypes;
32 212 std::vector<llvm::Type *> paramTypes;
33
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 212 if (node->takesArgs) {
34
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 4 const size_t numOfParams = node->paramLst()->params().size();
35
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 4 paramInfoList.reserve(numOfParams);
36
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 4 paramSymbolTypes.reserve(numOfParams);
37
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 4 paramTypes.reserve(numOfParams);
38
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 12 for (DeclStmtNode *param : node->paramLst()->params()) {
39 // Get symbol table entry of param
40
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 8 SymbolTableEntry *paramSymbol = node->bodyScope->lookupStrict(param->varName);
41
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 8 assert(paramSymbol != nullptr);
42 // Retrieve type of param
43
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 8 auto paramType = any_cast<llvm::Type *>(visit(param->dataType()));
44 // Add it to the lists
45
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 8 paramInfoList.emplace_back(param->varName, paramSymbol);
46
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 8 paramSymbolTypes.push_back(paramSymbol->getQualType());
47
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 8 paramTypes.push_back(paramType);
48 4 }
49 }
50
51 // Build the function
52
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 212 llvm::Type *returnType = builder.getInt32Ty();
53
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 212 llvm::FunctionType *fctType = llvm::FunctionType::get(returnType, paramTypes, false);
54
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 212 llvm::Function *fct = llvm::Function::Create(fctType, llvm::Function::ExternalLinkage, MAIN_FUNCTION_NAME, module);
55 212 fct->setDSOLocal(true);
56
57 // Add function attributes
58
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 212 fct->addFnAttr(llvm::Attribute::NoInline);
59
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 212 fct->addFnAttr(llvm::Attribute::NoUnwind);
60
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 212 if (cliOptions.optLevel == OptLevel::O0)
61
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 212 fct->addFnAttr(llvm::Attribute::OptimizeNone);
62 ✗ else if (cliOptions.optLevel >= OptLevel::Os)
63 ✗ fct->addFnAttr(llvm::Attribute::OptimizeForSize);
64
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 212 fct->addFnAttr(llvm::Attribute::getWithUWTableKind(context, llvm::UWTableKind::Default));
65
66 // Add debug info
67
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 212 if (cliOptions.generateDebugInfo) {
68 2 const auto nonConstNode = const_cast<MainFctDefNode *>(node);
69
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 2 const Function spiceFunc = FunctionManager::createMainFunction(node->entry, paramSymbolTypes, nonConstNode);
70
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 2 diGenerator.generateFunctionDebugInfo(fct, &spiceFunc);
71
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 2 diGenerator.setSourceLocation(node);
72 2 }
73
74 // Create entry block
75
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 212 llvm::BasicBlock *bEntry = createBlock();
76
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 212 switchToBlock(bEntry, fct);
77
78 // Reset alloca insert markers to this block
79 212 allocaInsertBlock = bEntry;
80 212 allocaInsertInst = nullptr;
81
82 // Allocate result variable
83
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 212 llvm::Value *resultAddress = insertAlloca(returnType, RETURN_VARIABLE_NAME);
84 // Update the symbol table entry
85
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 636 SymbolTableEntry *resultEntry = currentScope->lookupStrict(RETURN_VARIABLE_NAME);
86
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 212 assert(resultEntry != nullptr);
87
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 212 resultEntry->updateAddress(resultAddress);
88 // Generate debug info
89
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 424 diGenerator.generateLocalVarDebugInfo(RETURN_VARIABLE_NAME, resultAddress);
90 // Store the default result value
91
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 212 insertStore(builder.getInt32(0), resultAddress);
92
93 // Store function argument values
94
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 220 for (auto &arg : fct->args()) {
95 // Get information about the parameter
96 8 const size_t argNumber = arg.getArgNo();
97
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 8 auto [paramName, paramSymbol] = paramInfoList.at(argNumber);
98
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 8 assert(paramSymbol != nullptr);
99 // Allocate space for it
100
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 8 llvm::Type *paramType = fctType->getParamType(argNumber);
101
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 8 llvm::Value *paramAddress = insertAlloca(paramType, paramName);
102 // Update the symbol table entry
103
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 8 paramSymbol->updateAddress(paramAddress);
104 // Store the value at the new address
105
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 8 insertStore(&arg, paramAddress);
106 // Generate debug info
107
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 8 diGenerator.generateLocalVarDebugInfo(paramName, paramAddress, argNumber + 1);
108 8 }
109
110 // Visit function body
111
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 212 visit(node->body());
112
113 // Create return statement if the block is not terminated yet
114
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 212 if (!blockAlreadyTerminated) {
115
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 209 llvm::Value *result = insertLoad(fct->getReturnType(), resultEntry->getAddress());
116
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 209 builder.CreateRet(result);
117 }
118
119 // Conclude debug info for function
120
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 212 diGenerator.concludeFunctionDebugInfo();
121
122 // Verify function
123
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 212 verifyFunction(fct, node->codeLoc);
124
125 // Change back to root scope
126 212 currentScope = rootScope;
127
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 212 assert(currentScope != nullptr);
128
129
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 212 return nullptr;
130 212 }
131
132 3920 std::any IRGenerator::visitFctDef(const FctDefNode *node) {
133 // Loop through manifestations
134 3920 manIdx = 0; // Reset the symbolTypeIndex
135
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 9066 for (Function *manifestation : node->manifestations) {
136
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 5146 assert(manifestation->entry != nullptr);
137
138 // Check if the manifestation is substantiated or not public and not used by anybody
139
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 5146 const bool isPublic = manifestation->entry->getQualType().isPublic();
140
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 5146 if (!manifestation->isFullySubstantiated() || (!isPublic && !manifestation->used)) {
141 1358 manIdx++; // Increment symbolTypeIndex
142 1358 continue;
143 }
144
145 // Change to struct scope
146
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 3788 if (manifestation->isMethod()) {
147 2416 const QualType &thisType = manifestation->thisType;
148
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 2416 const std::string signature = Struct::getSignature(thisType.getSubType(), thisType.getTemplateTypes());
149
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 2416 currentScope = currentScope->getChildScope(STRUCT_SCOPE_PREFIX + signature);
150
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 2416 assert(currentScope != nullptr);
151 2416 }
152
153 // Change scope
154
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 3788 currentScope = currentScope->getChildScope(manifestation->getSignature(false));
155
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 3788 assert(currentScope != nullptr);
156
157 // Get 'this' entry
158 3788 std::vector<std::pair<std::string, SymbolTableEntry *>> paramInfoList;
159 3788 std::vector<llvm::Type *> paramTypes;
160
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 3788 SymbolTableEntry *thisEntry = nullptr;
161
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 3788 if (manifestation->isMethod()) {
162
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 7248 thisEntry = currentScope->lookupStrict(THIS_VARIABLE_NAME);
163
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 2416 assert(thisEntry != nullptr);
164
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 2416 paramInfoList.emplace_back(THIS_VARIABLE_NAME, thisEntry);
165
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 2416 paramTypes.push_back(builder.getPtrTy());
166 }
167
168 // Visit parameters
169 3788 size_t argIdx = 0;
170
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 3788 if (node->hasParams) {
171 2727 const size_t numOfParams = manifestation->paramList.size();
172
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 2727 paramInfoList.reserve(numOfParams);
173
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 2727 paramTypes.reserve(numOfParams);
174
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 7203 for (; argIdx < numOfParams; argIdx++) {
175
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 4476 const DeclStmtNode *param = node->paramLst()->params().at(argIdx);
176 // Get symbol table entry of param
177
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 4476 SymbolTableEntry *paramSymbol = currentScope->lookupStrict(param->varName);
178
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 4476 assert(paramSymbol != nullptr);
179
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 4476 const QualType paramSymbolType = manifestation->getParamTypes().at(argIdx);
180 // Pass the information if captures are taken for function/procedure types
181
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 4476 if (paramSymbolType.isOneOf({TY_FUNCTION, TY_PROCEDURE}) && paramSymbolType.hasLambdaCaptures())
182 ✗ paramSymbol->updateType(paramSymbol->getQualType().getWithLambdaCaptures(), true);
183 // Retrieve type of param
184
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 4476 llvm::Type *paramType = paramSymbolType.toLLVMType(sourceFile);
185 // Add it to the lists
186
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 4476 paramInfoList.emplace_back(param->varName, paramSymbol);
187
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 4476 paramTypes.push_back(paramType);
188 }
189 }
190
191 // Get return type
192
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 3788 llvm::Type *returnType = manifestation->returnType.toLLVMType(sourceFile);
193
194 // Check if function is explicitly inlined
195
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 3788 const bool explicitlyInlined = manifestation->entry->getQualType().isInline();
196 // Get function linkage
197 3788 bool externalLinkage = isPublic;
198
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 3806 if (node->attrs() && node->attrs()->attrLst()->hasAttr(ATTR_TEST))
199
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 27 externalLinkage |= node->attrs()->attrLst()->getAttrValueByName(ATTR_TEST)->boolValue;
200
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 3788 const llvm::GlobalValue::LinkageTypes linkage = externalLinkage ? llvm::Function::ExternalLinkage : llvm::Function::PrivateLinkage;
201
202 // Create function or implement declared function
203
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 3788 const std::string mangledName = manifestation->getMangledName();
204
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 3788 llvm::FunctionType *funcType = llvm::FunctionType::get(returnType, paramTypes, false);
205
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 3788 module->getOrInsertFunction(mangledName, funcType);
206
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 3788 llvm::Function *func = module->getFunction(mangledName);
207
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 3788 node->entry->updateAddress(func);
208 3788 manifestation->llvmFunction = func;
209
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 3788 assert(func->empty());
210
211 // Set attributes to function
212 3788 func->setDSOLocal(true);
213
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 3788 func->setLinkage(linkage);
214
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 3788 if (explicitlyInlined)
215
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 995 func->addFnAttr(llvm::Attribute::AlwaysInline);
216
217 // Set attributes to 'this' param
218
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 3788 if (manifestation->isMethod()) {
219
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 2416 func->addParamAttr(0, llvm::Attribute::NoUndef);
220
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 2416 func->addParamAttr(0, llvm::Attribute::NonNull);
221
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 2416 assert(thisEntry != nullptr);
222
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 2416 llvm::Type *structType = thisEntry->getQualType().getContained().toLLVMType(sourceFile);
223
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 2416 assert(structType != nullptr);
224
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 2416 func->addDereferenceableParamAttr(0, module->getDataLayout().getTypeStoreSize(structType));
225
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 2416 func->addParamAttr(0, llvm::Attribute::getWithAlignment(context, module->getDataLayout().getABITypeAlign(structType)));
226 }
227
228 // Add debug info
229
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 3788 diGenerator.generateFunctionDebugInfo(func, manifestation);
230
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 3788 diGenerator.setSourceLocation(node);
231
232 // Create entry block
233
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 3788 llvm::BasicBlock *bEntry = createBlock();
234
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 3788 switchToBlock(bEntry, func);
235
236 // Reset alloca insert markers to this block
237 3788 allocaInsertBlock = bEntry;
238 3788 allocaInsertInst = nullptr;
239
240 // Declare result variable
241
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 3788 llvm::Value *resultAddr = insertAlloca(returnType, RETURN_VARIABLE_NAME);
242
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 11364 SymbolTableEntry *resultEntry = currentScope->lookupStrict(RETURN_VARIABLE_NAME);
243
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 3788 assert(resultEntry != nullptr);
244
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 3788 resultEntry->updateAddress(resultAddr);
245 // Generate debug info
246
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 7576 diGenerator.generateLocalVarDebugInfo(RETURN_VARIABLE_NAME, resultAddr);
247
248 // Store function argument values
249
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 10680 for (auto &arg : func->args()) {
250 // Get information about the parameter
251 6892 const size_t argNumber = arg.getArgNo();
252
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 6892 auto [paramName, paramSymbol] = paramInfoList.at(argNumber);
253
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 6892 assert(paramSymbol != nullptr);
254 // Allocate space for it
255
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 6892 llvm::Type *paramType = funcType->getParamType(argNumber);
256
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 6892 llvm::Value *paramAddress = insertAlloca(paramType, paramName);
257 // Update the symbol table entry
258
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 6892 paramSymbol->updateAddress(paramAddress);
259 // Set source location
260
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 6892 diGenerator.setSourceLocation(paramSymbol->declNode);
261 // Store the value at the new address
262
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 6892 insertStore(&arg, paramAddress);
263 // Generate debug info to declare variable
264
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 6892 diGenerator.generateLocalVarDebugInfo(paramName, paramAddress, argNumber + 1);
265 6892 }
266
267 // Store the default values for optional function args
268
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 3788 if (node->paramLst()) {
269
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 2727 const std::vector<DeclStmtNode *> params = node->paramLst()->params();
270
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 3146 for (; argIdx < params.size(); argIdx++)
271
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 419 visit(params.at(argIdx));
272 2727 }
273
274 // Visit function body
275
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 3788 visit(node->body());
276
277 // Create return statement if the block is not terminated yet
278
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 3788 if (!blockAlreadyTerminated) {
279
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 174 llvm::Value *result = insertLoad(returnType, resultEntry->getAddress());
280
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 174 builder.CreateRet(result);
281 }
282
283 // Conclude debug info for function
284
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 3788 diGenerator.concludeFunctionDebugInfo();
285
286 // Verify function
287
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 3788 verifyFunction(func, node->codeLoc);
288
289 // Change to root scope
290 3788 currentScope = rootScope;
291
292 3788 manIdx++; // Increment symbolTypeIndex
293 3788 }
294 3920 manIdx = 0; // Reset the symbolTypeIndex
295
296 // Ensure that we are at the root scope again
297
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 3920 assert(currentScope == rootScope);
298
299
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 3920 return nullptr;
300 }
301
302 2472 std::any IRGenerator::visitProcDef(const ProcDefNode *node) {
303 // Loop through manifestations
304 2472 manIdx = 0; // Reset the symbolTypeIndex
305
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 5689 for (Function *manifestation : node->manifestations) {
306
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 3217 assert(manifestation->entry != nullptr);
307
308 // Check if the manifestation is substantiated or not public and not used by anybody
309
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 3217 const bool isPublic = manifestation->entry->getQualType().isPublic();
310
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 3217 if (!manifestation->isFullySubstantiated() || (!isPublic && !manifestation->used)) {
311 1038 manIdx++; // Increment symbolTypeIndex
312 1038 continue;
313 }
314
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 2179 assert(manifestation->alreadyTypeChecked);
315
316 // Change to struct scope
317
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 2179 if (manifestation->isMethod()) {
318 2004 const QualType &thisType = manifestation->thisType;
319
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 2004 const std::string signature = Struct::getSignature(thisType.getSubType(), thisType.getTemplateTypes());
320
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 2004 currentScope = currentScope->getChildScope(STRUCT_SCOPE_PREFIX + signature);
321
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 2004 assert(currentScope != nullptr);
322 2004 }
323
324 // Change scope
325
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 2179 currentScope = currentScope->getChildScope(manifestation->getSignature(false));
326
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 2179 assert(currentScope != nullptr);
327
328 // Get 'this' entry
329 2179 std::vector<std::pair<std::string, SymbolTableEntry *>> paramInfoList;
330 2179 std::vector<llvm::Type *> paramTypes;
331
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 2179 SymbolTableEntry *thisEntry = nullptr;
332
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 2179 if (manifestation->isMethod()) {
333
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 6012 thisEntry = currentScope->lookupStrict(THIS_VARIABLE_NAME);
334
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 2004 assert(thisEntry != nullptr);
335
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 2004 paramInfoList.emplace_back(THIS_VARIABLE_NAME, thisEntry);
336
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 2004 paramTypes.push_back(builder.getPtrTy());
337 }
338
339 // Visit parameters
340 2179 size_t argIdx = 0;
341
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 2179 if (node->hasParams) {
342 1502 const size_t numOfParams = manifestation->paramList.size();
343
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 1502 paramInfoList.reserve(numOfParams);
344
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 1502 paramTypes.reserve(numOfParams);
345
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 3217 for (; argIdx < numOfParams; argIdx++) {
346
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 1715 const DeclStmtNode *param = node->paramLst()->params().at(argIdx);
347 // Get symbol table entry of param
348
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 1715 SymbolTableEntry *paramSymbol = currentScope->lookupStrict(param->varName);
349
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 1715 assert(paramSymbol != nullptr);
350
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 1715 const QualType paramSymbolType = manifestation->getParamTypes().at(argIdx);
351 // Pass the information if captures are taken for function/procedure types
352
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 1715 if (paramSymbolType.isOneOf({TY_FUNCTION, TY_PROCEDURE}) && paramSymbolType.hasLambdaCaptures())
353
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 3 paramSymbol->updateType(paramSymbol->getQualType().getWithLambdaCaptures(), true);
354 // Retrieve type of param
355
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 1715 llvm::Type *paramType = paramSymbolType.toLLVMType(sourceFile);
356 // Add it to the lists
357
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 1715 paramInfoList.emplace_back(param->varName, paramSymbol);
358
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 1715 paramTypes.push_back(paramType);
359 }
360 }
361
362 // Get return type
363
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 2179 llvm::Type *returnType = builder.getVoidTy();
364
365 // Check if procedure is explicitly inlined
366
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 2179 const bool explicitlyInlined = manifestation->entry->getQualType().isInline();
367 // Get procedure linkage
368
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 2179 const llvm::GlobalValue::LinkageTypes linkage = isPublic ? llvm::Function::ExternalLinkage : llvm::Function::PrivateLinkage;
369
370 // Create procedure or implement declared procedure
371
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 2179 const std::string mangledName = manifestation->getMangledName();
372
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 2179 llvm::FunctionType *procType = llvm::FunctionType::get(returnType, paramTypes, false);
373
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 2179 module->getOrInsertFunction(mangledName, procType);
374
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 2179 llvm::Function *proc = module->getFunction(mangledName);
375
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 2179 node->entry->updateAddress(proc);
376 2179 manifestation->llvmFunction = proc;
377
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 2179 assert(proc->empty());
378
379 // Set attributes to procedure
380 2179 proc->setDSOLocal(true);
381
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 2179 proc->setLinkage(linkage);
382
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 2179 if (explicitlyInlined)
383
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 203 proc->addFnAttr(llvm::Attribute::AlwaysInline);
384
385 // Set attributes to 'this' param
386
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 2179 if (manifestation->isMethod()) {
387
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 2004 proc->addParamAttr(0, llvm::Attribute::NoUndef);
388
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 2004 proc->addParamAttr(0, llvm::Attribute::NonNull);
389
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 2004 assert(thisEntry != nullptr);
390
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 2004 llvm::Type *structType = thisEntry->getQualType().getContained().toLLVMType(sourceFile);
391
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 2004 assert(structType != nullptr);
392
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 2004 proc->addDereferenceableParamAttr(0, module->getDataLayout().getTypeStoreSize(structType));
393
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 2004 proc->addParamAttr(0, llvm::Attribute::getWithAlignment(context, module->getDataLayout().getABITypeAlign(structType)));
394 }
395
396 // Add debug info
397
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 2179 diGenerator.generateFunctionDebugInfo(proc, manifestation);
398
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 2179 diGenerator.setSourceLocation(node);
399
400 // Create entry block
401
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 2179 llvm::BasicBlock *bEntry = createBlock();
402
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 2179 switchToBlock(bEntry, proc);
403
404 // Reset alloca insert markers to this block
405 2179 allocaInsertBlock = bEntry;
406 2179 allocaInsertInst = nullptr;
407
408 // Store procedure argument values
409
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 5898 for (auto &arg : proc->args()) {
410 // Get information about the parameter
411 3719 const size_t argNumber = arg.getArgNo();
412
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 3719 auto [paramName, paramSymbol] = paramInfoList.at(argNumber);
413
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 3719 assert(paramSymbol != nullptr);
414 // Allocate space for it
415
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 3719 llvm::Type *paramType = procType->getParamType(argNumber);
416
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 3719 llvm::Value *paramAddress = insertAlloca(paramType, paramName);
417 // Update the symbol table entry
418
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 3719 paramSymbol->updateAddress(paramAddress);
419 // Set source location
420
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 3719 diGenerator.setSourceLocation(paramSymbol->declNode);
421 // Store the value at the new address
422
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 3719 insertStore(&arg, paramAddress);
423 // Generate debug info to declare variable
424
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 3719 diGenerator.generateLocalVarDebugInfo(paramName, paramAddress, argNumber + 1);
425 3719 }
426
427 // Store the default values for optional procedure args
428
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 2179 if (node->paramLst()) {
429
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 1502 const std::vector<DeclStmtNode *> params = node->paramLst()->params();
430
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 1628 for (; argIdx < params.size(); argIdx++)
431
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 126 visit(params.at(argIdx));
432 1502 }
433
434 // Generate special ctor preamble before generating the body to store VTable, default field values, etc. if required
435
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 2179 if (node->isCtor)
436
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 973 generateCtorBodyPreamble(currentScope);
437
438 // Visit procedure body
439
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 2179 visit(node->body());
440
441 // Create return statement if the block is not terminated yet
442
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 2179 if (!blockAlreadyTerminated)
443
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 2100 builder.CreateRetVoid();
444
445 // Conclude debug info for procedure
446
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 2179 diGenerator.concludeFunctionDebugInfo();
447
448 // Verify procedure
449
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 2179 verifyFunction(proc, node->codeLoc);
450
451 // Change to root scope
452 2179 currentScope = rootScope;
453
454 2179 manIdx++; // Increment symbolTypeIndex
455 2179 }
456 2472 manIdx = 0; // Reset the symbolTypeIndex
457
458 // Ensure that we are at the root scope again
459
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 2472 assert(currentScope == rootScope);
460
461
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 2472 return nullptr;
462 }
463
464 457 std::any IRGenerator::visitStructDef(const StructDefNode *node) {
465 // Get all substantiated structs which result from this struct def
466
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 457 std::vector<Struct *> manifestations = node->structManifestations;
467
468 // Sort the manifestations to prevent generating the struct types in the wrong order (in case of dependencies between structs)
469 604 const auto comp = [](const Struct *lhs, const Struct *rhs) { return lhs->manifestationIndex < rhs->manifestationIndex; };
470
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 457 std::ranges::sort(manifestations, comp);
471
472
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 1216 for (Struct *spiceStruct : manifestations) {
473 // Skip structs, that are not fully substantiated
474
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 759 if (!spiceStruct->isFullySubstantiated())
475 190 continue;
476
477 // Do not generate this struct if it is private and used by nobody
478
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 571 if (!spiceStruct->used && !spiceStruct->entry->getQualType().isPublic())
479 2 continue;
480
481 // Change scope to struct scope, specific to substantiation
482 569 currentScope = spiceStruct->scope;
483
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 569 assert(currentScope);
484
485 // Set LLVM type to the struct entry
486 569 const SymbolTableEntry *structEntry = spiceStruct->entry;
487
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 569 assert(structEntry != nullptr);
488
489 // Generate VTable if required
490
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 569 if (node->emitVTable) {
491
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 141 generateVTable(spiceStruct);
492
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 282 deferredVTableInitializations.emplace_back([=, this]() { generateVTableInitializer(spiceStruct); }, false);
493 }
494
495 // Generate default ctor if required
496
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 569 const QualType &thisType = structEntry->getQualType();
497
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 1707 const Function *ctorFunc = FunctionManager::lookup(currentScope, CTOR_FUNCTION_NAME, thisType, {}, true);
498
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 569 if (ctorFunc != nullptr && ctorFunc->implicitDefault)
499
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 27 generateDefaultCtor(ctorFunc);
500
501 // Generate default copy ctor if required
502
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 1707 const ArgList args = {{thisType.toConstRef(node), false /* always non-temporary */}};
503
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 569 const Function *copyCtorFunc = FunctionManager::lookup(currentScope, CTOR_FUNCTION_NAME, thisType, args, true);
504
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 569 if (copyCtorFunc != nullptr && copyCtorFunc->implicitDefault)
505
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 79 generateDefaultCopyCtor(copyCtorFunc);
506
507 // Generate default dtor if required
508
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 1707 const Function *dtorFunc = FunctionManager::lookup(currentScope, DTOR_FUNCTION_NAME, thisType, {}, true);
509
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 569 if (dtorFunc != nullptr && dtorFunc->implicitDefault)
510
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 84 generateDefaultDtor(dtorFunc);
511
512 // Return to root scope
513 569 currentScope = rootScope;
514
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 569 assert(currentScope);
515 569 }
516
517
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 914 return nullptr;
518 457 }
519
520 60 std::any IRGenerator::visitInterfaceDef(const InterfaceDefNode *node) {
521 // Get all substantiated structs which result from this struct def
522
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 60 std::vector<Interface *> manifestations = node->interfaceManifestations;
523
524 // Sort the manifestations to prevent generating the struct types in the wrong order (in case of dependencies between structs)
525 196 const auto comp = [](const Interface *lhs, const Interface *rhs) { return lhs->manifestationIndex < rhs->manifestationIndex; };
526
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 60 std::ranges::sort(manifestations, comp);
527
528
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 218 for (Interface *spiceInterface : manifestations) {
529 // Skip interfaces, that are not fully substantiated
530
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 158 if (!spiceInterface->isFullySubstantiated())
531 49 continue;
532
533 // Do not generate this interface if it is private and used by nobody
534
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 109 if (!spiceInterface->used && !spiceInterface->entry->getQualType().isPublic())
535 1 continue;
536
537 // Generate VTable information
538
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 108 generateVTable(spiceInterface);
539
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 216 deferredVTableInitializations.emplace_back([=, this]() { generateVTableInitializer(spiceInterface); }, false);
540 }
541
542
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 120 return nullptr;
543 60 }
544
545 37 std::any IRGenerator::visitEnumDef(const EnumDefNode *node) {
546
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 37 return nullptr; // Noop (enums are high-level semantic-only structures)
547 }
548
549 647 std::any IRGenerator::visitGenericTypeDef(const GenericTypeDefNode *node) {
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 647 return nullptr; // Noop (generic types are high-level semantic-only structures)
551 }
552
553 29 std::any IRGenerator::visitAliasDef(const AliasDefNode *node) {
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 29 return nullptr; // Noop (alias definitions are high-level semantic-only structures)
555 }
556
557 709 std::any IRGenerator::visitGlobalVarDef(const GlobalVarDefNode *node) {
558 // Retrieve some information about the variable
559
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 709 assert(node->entry != nullptr);
560 709 const QualType &entryType = node->entry->getQualType();
561 709 const bool isPublic = entryType.isPublic();
562 709 const bool isConst = entryType.isConst();
563
564 // Get correct type and linkage type
565
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 709 const auto varType = std::any_cast<llvm::Type *>(visit(node->dataType()));
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 709 const auto linkage = isPublic ? llvm::GlobalValue::ExternalLinkage : llvm::GlobalValue::PrivateLinkage;
567
568 // Create global var
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 709 llvm::Value *varAddress = module->getOrInsertGlobal(node->varName, varType);
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 709 llvm::GlobalVariable *var = module->getNamedGlobal(node->varName);
571 // Set some attributes, based on the given information
572 709 var->setLinkage(linkage);
573 709 var->setConstant(isConst);
574
575 // Set initializer
576
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 709 if (node->hasValue) { // Set the constant value as variable initializer
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 709 const auto constantValue = std::any_cast<llvm::Constant *>(visit(node->constant()));
578 709 var->setInitializer(constantValue);
579 ✗ } else if (cliOptions.buildMode == DEBUG) { // Set the default value as variable initializer
580 ✗ llvm::Constant *constantValue = getDefaultValueForSymbolType(node->entry->getQualType());
581 ✗ var->setInitializer(constantValue);
582 }
583
584 709 node->entry->updateAddress(varAddress);
585
586 // Add debug info
587 709 diGenerator.generateGlobalVarDebugInfo(var, node->entry);
588
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 709 return nullptr;
590 }
591
592 667 std::any IRGenerator::visitExtDecl(const ExtDeclNode *node) {
593 // Get return type
594 667 const Function *spiceFunc = node->extFunction;
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 667 assert(spiceFunc != nullptr);
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 667 llvm::Type *returnType = builder.getVoidTy();
597
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 667 if (!spiceFunc->returnType.is(TY_DYN))
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 435 returnType = spiceFunc->returnType.toLLVMType(sourceFile);
599
600 // Get arg types
601 667 std::vector<llvm::Type *> argTypes;
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 667 argTypes.reserve(spiceFunc->paramList.size());
603
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 1939 for (const QualType &paramType : spiceFunc->getParamTypes())
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 1939 argTypes.push_back(paramType.toLLVMType(sourceFile));
605
606 // Declare function
607
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 667 llvm::FunctionType *functionType = llvm::FunctionType::get(returnType, argTypes, node->isVarArg);
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 667 const std::string mangledName = spiceFunc->getMangledName();
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 667 module->getOrInsertFunction(mangledName, functionType);
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 667 llvm::Function *fct = module->getFunction(mangledName);
611
612 // Add noundef attribute to all parameters
613
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 1939 for (size_t i = 0; i < argTypes.size(); i++)
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 1272 fct->addParamAttr(i, llvm::Attribute::NoUndef);
615
616 // If the function should be imported as dll, add the dll attribute
617
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 669 if (node->attrs() && node->attrs()->attrLst()->hasAttr(ATTR_CORE_LINKER_DLL))
618 ✗ if (node->attrs()->attrLst()->getAttrValueByName(ATTR_CORE_LINKER_DLL)->boolValue)
619 ✗ fct->setDLLStorageClass(llvm::GlobalValue::DLLImportStorageClass);
620
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 1334 return nullptr;
622 667 }
623
624 } // namespace spice::compiler
625