GCC Code Coverage Report

Directory: ../
File: src/irgenerator/GenTopLevelDefinitions.cpp
Date: 2025-03-05 01:50:32
Exec Total Coverage
Lines: 355 365 97.3%
Functions: 14 14 100.0%
Branches: 448 786 57.0%
Line Branch Exec Source
1 // Copyright (c) 2021-2025 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
16 227 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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 227 if (!sourceFile->isMainFile)
19 ✗ return nullptr;
20
21 // Do not generate main function if it is explicitly specified
22
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 227 if (cliOptions.noEntryFct)
23
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 1 return nullptr;
24
25 // Change scope to function scope
26 226 currentScope = node->bodyScope;
27
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 226 assert(currentScope != nullptr);
28
29 // Visit parameters
30 226 std::vector<std::pair<std::string, SymbolTableEntry *>> paramInfoList;
31 226 QualTypeList paramSymbolTypes;
32 226 std::vector<llvm::Type *> paramTypes;
33
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 226 if (node->takesArgs) {
34 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 }
49 }
50
51 // Build the function
52
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 226 llvm::Type *returnType = builder.getInt32Ty();
53
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 226 llvm::FunctionType *fctType = llvm::FunctionType::get(returnType, paramTypes, false);
54
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 226 llvm::Function *fct = llvm::Function::Create(fctType, llvm::Function::ExternalLinkage, MAIN_FUNCTION_NAME, module);
55 226 fct->setDSOLocal(true);
56
57 // Add function attributes
58
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 226 fct->addFnAttr(llvm::Attribute::NoInline);
59
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 226 fct->addFnAttr(llvm::Attribute::NoUnwind);
60
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 226 if (cliOptions.optLevel == OptLevel::O0)
61
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 226 fct->addFnAttr(llvm::Attribute::OptimizeNone);
62 ✗ else if (cliOptions.optLevel >= OptLevel::Os)
63 ✗ fct->addFnAttr(llvm::Attribute::OptimizeForSize);
64
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 226 fct->addFnAttr(llvm::Attribute::getWithUWTableKind(context, llvm::UWTableKind::Default));
65
66 // Add debug info
67
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 226 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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 226 llvm::BasicBlock *bEntry = createBlock();
76
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 226 switchToBlock(bEntry, fct);
77
78 // Reset alloca insert markers to this block
79 226 allocaInsertBlock = bEntry;
80 226 allocaInsertInst = nullptr;
81
82 // Allocate result variable
83
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 226 llvm::Value *resultAddress = insertAlloca(returnType, RETURN_VARIABLE_NAME);
84 // Update the symbol table entry
85
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 678 SymbolTableEntry *resultEntry = currentScope->lookupStrict(RETURN_VARIABLE_NAME);
86
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 226 assert(resultEntry != nullptr);
87
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 226 resultEntry->updateAddress(resultAddress);
88 // Generate debug info
89
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 452 diGenerator.generateLocalVarDebugInfo(RETURN_VARIABLE_NAME, resultAddress);
90 // Store the default result value
91
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 226 insertStore(builder.getInt32(0), resultAddress);
92
93 // Store function argument values
94
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 234 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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 226 visit(node->body);
112
113 // Create return statement if the block is not terminated yet
114
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 226 if (!blockAlreadyTerminated) {
115
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 223 llvm::Value *result = insertLoad(fct->getReturnType(), resultEntry->getAddress());
116
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 223 builder.CreateRet(result);
117 }
118
119 // Conclude debug info for function
120
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 226 diGenerator.concludeFunctionDebugInfo();
121
122 // Verify function
123
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 226 verifyFunction(fct, node->codeLoc);
124
125 // Change back to root scope
126 226 currentScope = rootScope;
127
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 226 assert(currentScope != nullptr);
128
129
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 226 return nullptr;
130 226 }
131
132 5762 std::any IRGenerator::visitFctDef(const FctDefNode *node) {
133 // Loop through manifestations
134 5762 manIdx = 0; // Reset the symbolTypeIndex
135
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 12993 for (Function *manifestation : node->manifestations) {
136
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 7231 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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 7231 const bool isPublic = manifestation->entry->getQualType().isPublic();
140
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 7231 if (!manifestation->isFullySubstantiated() || (!isPublic && !manifestation->used)) {
141 1595 manIdx++; // Increment symbolTypeIndex
142 1595 continue;
143 }
144
145 // Change to struct scope
146
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 5636 if (manifestation->isMethod()) {
147 2850 const QualType &thisType = manifestation->thisType;
148
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 2850 const std::string signature = Struct::getSignature(thisType.getSubType(), thisType.getTemplateTypes());
149
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 2850 currentScope = currentScope->getChildScope(STRUCT_SCOPE_PREFIX + signature);
150
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 2850 assert(currentScope != nullptr);
151 2850 }
152
153 // Change scope
154
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 5636 currentScope = currentScope->getChildScope(manifestation->getSignature(false));
155
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 5636 assert(currentScope != nullptr);
156
157 // Get 'this' entry
158 5636 std::vector<std::pair<std::string, SymbolTableEntry *>> paramInfoList;
159 5636 std::vector<llvm::Type *> paramTypes;
160
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 5636 SymbolTableEntry *thisEntry = nullptr;
161
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 5636 if (manifestation->isMethod()) {
162
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 8550 thisEntry = currentScope->lookupStrict(THIS_VARIABLE_NAME);
163
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 2850 assert(thisEntry != nullptr);
164
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 2850 paramInfoList.emplace_back(THIS_VARIABLE_NAME, thisEntry);
165
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 2850 paramTypes.push_back(builder.getPtrTy());
166 }
167
168 // Visit parameters
169 5636 size_t argIdx = 0;
170
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 5636 if (node->hasParams) {
171 4384 const size_t numOfParams = manifestation->paramList.size();
172
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 4384 paramInfoList.reserve(numOfParams);
173
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 4384 paramTypes.reserve(numOfParams);
174
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 11288 for (; argIdx < numOfParams; argIdx++) {
175
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 6904 const DeclStmtNode *param = node->paramLst->params.at(argIdx);
176 // Get symbol table entry of param
177
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 6904 SymbolTableEntry *paramSymbol = currentScope->lookupStrict(param->varName);
178
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 6904 assert(paramSymbol != nullptr);
179
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 6904 const QualType paramSymbolType = manifestation->getParamTypes().at(argIdx);
180 // Pass the information if captures are taken for function/procedure types
181
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 6904 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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 6904 llvm::Type *paramType = paramSymbolType.toLLVMType(sourceFile);
185 // Add it to the lists
186
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 6904 paramInfoList.emplace_back(param->varName, paramSymbol);
187
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 6904 paramTypes.push_back(paramType);
188 }
189 }
190
191 // Get return type
192
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 5636 llvm::Type *returnType = manifestation->returnType.toLLVMType(sourceFile);
193
194 // Check if function is explicitly inlined
195
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 5636 const bool explicitlyInlined = manifestation->entry->getQualType().isInline();
196 // Get function linkage
197 5636 bool externalLinkage = isPublic;
198
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 6298 if (node->attrs && node->attrs->attrLst->hasAttr(ATTR_TEST))
199
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 30 externalLinkage |= node->attrs->attrLst->getAttrValueByName(ATTR_TEST)->boolValue;
200
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 5636 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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 5636 const std::string mangledName = manifestation->getMangledName();
204
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 5636 llvm::FunctionType *funcType = llvm::FunctionType::get(returnType, paramTypes, false);
205
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 5636 module->getOrInsertFunction(mangledName, funcType);
206
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 5636 llvm::Function *func = module->getFunction(mangledName);
207
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 5636 node->entry->updateAddress(func);
208 5636 manifestation->llvmFunction = func;
209
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 5636 assert(func->empty());
210
211 // Set attributes to function
212 5636 func->setDSOLocal(true);
213
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 5636 func->setLinkage(linkage);
214
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 5636 if (explicitlyInlined)
215
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 2096 func->addFnAttr(llvm::Attribute::AlwaysInline);
216
217 // Set attributes to 'this' param
218
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 5636 if (manifestation->isMethod()) {
219
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 2850 func->addParamAttr(0, llvm::Attribute::NoUndef);
220
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 2850 func->addParamAttr(0, llvm::Attribute::NonNull);
221
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 2850 assert(thisEntry != nullptr);
222
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 2850 llvm::Type *structType = thisEntry->getQualType().getContained().toLLVMType(sourceFile);
223
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 2850 assert(structType != nullptr);
224
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 2850 func->addDereferenceableParamAttr(0, module->getDataLayout().getTypeStoreSize(structType));
225
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 2850 func->addParamAttr(0, llvm::Attribute::getWithAlignment(context, module->getDataLayout().getABITypeAlign(structType)));
226 }
227
228 // Add debug info
229
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 5636 diGenerator.generateFunctionDebugInfo(func, manifestation);
230
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 5636 diGenerator.setSourceLocation(node);
231
232 // Create entry block
233
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 5636 llvm::BasicBlock *bEntry = createBlock();
234
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 5636 switchToBlock(bEntry, func);
235
236 // Reset alloca insert markers to this block
237 5636 allocaInsertBlock = bEntry;
238 5636 allocaInsertInst = nullptr;
239
240 // Declare result variable
241
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 5636 llvm::Value *resultAddr = insertAlloca(returnType, RETURN_VARIABLE_NAME);
242
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 16908 SymbolTableEntry *resultEntry = currentScope->lookupStrict(RETURN_VARIABLE_NAME);
243
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 5636 assert(resultEntry != nullptr);
244
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 5636 resultEntry->updateAddress(resultAddr);
245 // Generate debug info
246
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 11272 diGenerator.generateLocalVarDebugInfo(RETURN_VARIABLE_NAME, resultAddr);
247
248 // Store function argument values
249
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 15390 for (auto &arg : func->args()) {
250 // Get information about the parameter
251 9754 const size_t argNumber = arg.getArgNo();
252
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 9754 auto [paramName, paramSymbol] = paramInfoList.at(argNumber);
253
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 9754 assert(paramSymbol != nullptr);
254 // Allocate space for it
255
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 9754 llvm::Type *paramType = funcType->getParamType(argNumber);
256
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 9754 llvm::Value *paramAddress = insertAlloca(paramType, paramName);
257 // Update the symbol table entry
258
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 9754 paramSymbol->updateAddress(paramAddress);
259 // Set source location
260
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 9754 diGenerator.setSourceLocation(paramSymbol->declNode);
261 // Store the value at the new address
262
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 9754 insertStore(&arg, paramAddress);
263 // Generate debug info to declare variable
264
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 9754 diGenerator.generateLocalVarDebugInfo(paramName, paramAddress, argNumber + 1);
265 9754 }
266
267 // Store the default values for optional function args
268
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 5636 if (node->paramLst) {
269
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 4384 const std::vector<DeclStmtNode *> params = node->paramLst->params;
270
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 4878 for (; argIdx < params.size(); argIdx++)
271
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 494 visit(params.at(argIdx));
272 4384 }
273
274 // Visit function body
275
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 5636 visit(node->body);
276
277 // Create return statement if the block is not terminated yet
278
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 5636 if (!blockAlreadyTerminated) {
279
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 209 llvm::Value *result = insertLoad(returnType, resultEntry->getAddress());
280
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 209 builder.CreateRet(result);
281 }
282
283 // Conclude debug info for function
284
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 5636 diGenerator.concludeFunctionDebugInfo();
285
286 // Verify function
287
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 5636 verifyFunction(func, node->codeLoc);
288
289 // Change to root scope
290 5636 currentScope = rootScope;
291
292 5636 manIdx++; // Increment symbolTypeIndex
293 5636 }
294 5762 manIdx = 0; // Reset the symbolTypeIndex
295
296 // Ensure that we are at the root scope again
297
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 5762 assert(currentScope == rootScope);
298
299
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 5762 return nullptr;
300 }
301
302 3139 std::any IRGenerator::visitProcDef(const ProcDefNode *node) {
303 // Loop through manifestations
304 3139 manIdx = 0; // Reset the symbolTypeIndex
305
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 7172 for (Function *manifestation : node->manifestations) {
306
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 4033 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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 4033 const bool isPublic = manifestation->entry->getQualType().isPublic();
310
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 4033 if (!manifestation->isFullySubstantiated() || (!isPublic && !manifestation->used)) {
311 1511 manIdx++; // Increment symbolTypeIndex
312 1511 continue;
313 }
314
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 2522 assert(manifestation->alreadyTypeChecked);
315
316 // Change to struct scope
317
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 2522 if (manifestation->isMethod()) {
318 2317 const QualType &thisType = manifestation->thisType;
319
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 2317 const std::string signature = Struct::getSignature(thisType.getSubType(), thisType.getTemplateTypes());
320
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 2317 currentScope = currentScope->getChildScope(STRUCT_SCOPE_PREFIX + signature);
321
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 2317 assert(currentScope != nullptr);
322 2317 }
323
324 // Change scope
325
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 2522 currentScope = currentScope->getChildScope(manifestation->getSignature(false));
326
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 2522 assert(currentScope != nullptr);
327
328 // Get 'this' entry
329 2522 std::vector<std::pair<std::string, SymbolTableEntry *>> paramInfoList;
330 2522 std::vector<llvm::Type *> paramTypes;
331
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 2522 SymbolTableEntry *thisEntry = nullptr;
332
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 2522 if (manifestation->isMethod()) {
333
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 6951 thisEntry = currentScope->lookupStrict(THIS_VARIABLE_NAME);
334
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 2317 assert(thisEntry != nullptr);
335
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 2317 paramInfoList.emplace_back(THIS_VARIABLE_NAME, thisEntry);
336
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 2317 paramTypes.push_back(builder.getPtrTy());
337 }
338
339 // Visit parameters
340 2522 size_t argIdx = 0;
341
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 2522 if (node->hasParams) {
342 1740 const size_t numOfParams = manifestation->paramList.size();
343
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 1740 paramInfoList.reserve(numOfParams);
344
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 1740 paramTypes.reserve(numOfParams);
345
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 3706 for (; argIdx < numOfParams; argIdx++) {
346
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 1966 const DeclStmtNode *param = node->paramLst->params.at(argIdx);
347 // Get symbol table entry of param
348
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 1966 SymbolTableEntry *paramSymbol = currentScope->lookupStrict(param->varName);
349
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 1966 assert(paramSymbol != nullptr);
350
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 1966 const QualType paramSymbolType = manifestation->getParamTypes().at(argIdx);
351 // Pass the information if captures are taken for function/procedure types
352
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 1966 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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 1966 llvm::Type *paramType = paramSymbolType.toLLVMType(sourceFile);
356 // Add it to the lists
357
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 1966 paramInfoList.emplace_back(param->varName, paramSymbol);
358
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 1966 paramTypes.push_back(paramType);
359 }
360 }
361
362 // Get return type
363
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 2522 llvm::Type *returnType = builder.getVoidTy();
364
365 // Check if procedure is explicitly inlined
366
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 2522 const bool explicitlyInlined = manifestation->entry->getQualType().isInline();
367 // Get procedure linkage
368
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 2522 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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 2522 const std::string mangledName = manifestation->getMangledName();
372
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 2522 llvm::FunctionType *procType = llvm::FunctionType::get(returnType, paramTypes, false);
373
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 2522 module->getOrInsertFunction(mangledName, procType);
374
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 2522 llvm::Function *proc = module->getFunction(mangledName);
375
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 2522 node->entry->updateAddress(proc);
376 2522 manifestation->llvmFunction = proc;
377
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 2522 assert(proc->empty());
378
379 // Set attributes to procedure
380 2522 proc->setDSOLocal(true);
381
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 2522 proc->setLinkage(linkage);
382
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 2522 if (explicitlyInlined)
383
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 224 proc->addFnAttr(llvm::Attribute::AlwaysInline);
384
385 // Set attributes to 'this' param
386
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 2522 if (manifestation->isMethod()) {
387
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 2317 proc->addParamAttr(0, llvm::Attribute::NoUndef);
388
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 2317 proc->addParamAttr(0, llvm::Attribute::NonNull);
389
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 2317 assert(thisEntry != nullptr);
390
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 2317 llvm::Type *structType = thisEntry->getQualType().getContained().toLLVMType(sourceFile);
391
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 2317 assert(structType != nullptr);
392
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 2317 proc->addDereferenceableParamAttr(0, module->getDataLayout().getTypeStoreSize(structType));
393
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 2317 proc->addParamAttr(0, llvm::Attribute::getWithAlignment(context, module->getDataLayout().getABITypeAlign(structType)));
394 }
395
396 // Add debug info
397
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 2522 diGenerator.generateFunctionDebugInfo(proc, manifestation);
398
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 2522 diGenerator.setSourceLocation(node);
399
400 // Create entry block
401
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 2522 llvm::BasicBlock *bEntry = createBlock();
402
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 2522 switchToBlock(bEntry, proc);
403
404 // Reset alloca insert markers to this block
405 2522 allocaInsertBlock = bEntry;
406 2522 allocaInsertInst = nullptr;
407
408 // Store procedure argument values
409
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 6805 for (auto &arg : proc->args()) {
410 // Get information about the parameter
411 4283 const size_t argNumber = arg.getArgNo();
412
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 4283 auto [paramName, paramSymbol] = paramInfoList.at(argNumber);
413
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 4283 assert(paramSymbol != nullptr);
414 // Allocate space for it
415
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 4283 llvm::Type *paramType = procType->getParamType(argNumber);
416
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 4283 llvm::Value *paramAddress = insertAlloca(paramType, paramName);
417 // Update the symbol table entry
418
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 4283 paramSymbol->updateAddress(paramAddress);
419 // Set source location
420
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 4283 diGenerator.setSourceLocation(paramSymbol->declNode);
421 // Store the value at the new address
422
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 4283 insertStore(&arg, paramAddress);
423 // Generate debug info to declare variable
424
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 4283 diGenerator.generateLocalVarDebugInfo(paramName, paramAddress, argNumber + 1);
425 4283 }
426
427 // Store the default values for optional procedure args
428
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 2522 if (node->paramLst) {
429
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 1740 const std::vector<DeclStmtNode *> params = node->paramLst->params;
430
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 1889 for (; argIdx < params.size(); argIdx++)
431
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 149 visit(params.at(argIdx));
432 1740 }
433
434 // Generate special ctor preamble before generating the body to store VTable, default field values, etc. if required
435
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 2522 if (node->isCtor) {
436 1083 isInCtorBody = true;
437
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 1083 generateCtorBodyPreamble(currentScope);
438 }
439
440 // Visit procedure body
441
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 2522 visit(node->body);
442
443
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 2522 if (node->isCtor)
444 1083 isInCtorBody = false;
445
446 // Create return statement if the block is not terminated yet
447
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 2522 if (!blockAlreadyTerminated)
448
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 2436 builder.CreateRetVoid();
449
450 // Conclude debug info for procedure
451
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 2522 diGenerator.concludeFunctionDebugInfo();
452
453 // Verify procedure
454
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 2522 verifyFunction(proc, node->codeLoc);
455
456 // Change to root scope
457 2522 currentScope = rootScope;
458
459 2522 manIdx++; // Increment symbolTypeIndex
460 2522 }
461 3139 manIdx = 0; // Reset the symbolTypeIndex
462
463 // Ensure that we are at the root scope again
464
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 3139 assert(currentScope == rootScope);
465
466
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 3139 return nullptr;
467 }
468
469 518 std::any IRGenerator::visitStructDef(const StructDefNode *node) {
470 // Get all substantiated structs which result from this struct def
471
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 518 std::vector<Struct *> manifestations = node->structManifestations;
472
473 // Sort the manifestations to prevent generating the struct types in the wrong order (in case of dependencies between structs)
474 678 const auto comp = [](const Struct *lhs, const Struct *rhs) { return lhs->manifestationIndex < rhs->manifestationIndex; };
475
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 518 std::ranges::sort(manifestations, comp);
476
477
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 1375 for (Struct *spiceStruct : manifestations) {
478 // Skip structs, that are not fully substantiated
479
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 857 if (!spiceStruct->isFullySubstantiated())
480 213 continue;
481
482 // Do not generate this struct if it is private and used by nobody
483
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 646 if (!spiceStruct->used && !spiceStruct->entry->getQualType().isPublic())
484 2 continue;
485
486 // Change scope to struct scope, specific to substantiation
487 644 currentScope = spiceStruct->scope;
488
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 644 assert(currentScope);
489
490 // Set LLVM type to the struct entry
491 644 const SymbolTableEntry *structEntry = spiceStruct->entry;
492
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 644 assert(structEntry != nullptr);
493
494 // Generate VTable if required
495
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 644 if (node->emitVTable) {
496
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 165 generateVTable(spiceStruct);
497
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 330 deferredVTableInitializations.emplace_back([=, this]() { generateVTableInitializer(spiceStruct); }, false);
498 }
499
500 // Generate default ctor if required
501
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 644 const QualType &thisType = structEntry->getQualType();
502
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 1932 const Function *ctorFunc = FunctionManager::lookup(currentScope, CTOR_FUNCTION_NAME, thisType, {}, true);
503
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 644 if (ctorFunc != nullptr && ctorFunc->implicitDefault)
504
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 31 generateDefaultCtor(ctorFunc);
505
506 // Generate default copy ctor if required
507
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 1932 const ArgList args = {{thisType.toConstRef(node), false /* always non-temporary */}};
508
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 644 const Function *copyCtorFunc = FunctionManager::lookup(currentScope, CTOR_FUNCTION_NAME, thisType, args, true);
509
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 644 if (copyCtorFunc != nullptr && copyCtorFunc->implicitDefault)
510
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 84 generateDefaultCopyCtor(copyCtorFunc);
511
512 // Generate default dtor if required
513
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 1932 const Function *dtorFunc = FunctionManager::lookup(currentScope, DTOR_FUNCTION_NAME, thisType, {}, true);
514
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 644 if (dtorFunc != nullptr && dtorFunc->implicitDefault)
515
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 90 generateDefaultDtor(dtorFunc);
516
517 // Return to root scope
518 644 currentScope = rootScope;
519
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 644 assert(currentScope);
520 644 }
521
522
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 1036 return nullptr;
523 518 }
524
525 69 std::any IRGenerator::visitInterfaceDef(const InterfaceDefNode *node) {
526 // Get all substantiated structs which result from this struct def
527
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 69 std::vector<Interface *> manifestations = node->interfaceManifestations;
528
529 // Sort the manifestations to prevent generating the struct types in the wrong order (in case of dependencies between structs)
530 230 const auto comp = [](const Interface *lhs, const Interface *rhs) { return lhs->manifestationIndex < rhs->manifestationIndex; };
531
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 69 std::ranges::sort(manifestations, comp);
532
533
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 253 for (Interface *spiceInterface : manifestations) {
534 // Skip interfaces, that are not fully substantiated
535
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 184 if (!spiceInterface->isFullySubstantiated())
536 55 continue;
537
538 // Do not generate this interface if it is private and used by nobody
539
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 129 if (!spiceInterface->used && !spiceInterface->entry->getQualType().isPublic())
540 1 continue;
541
542 // Generate VTable information
543
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 128 generateVTable(spiceInterface);
544
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 256 deferredVTableInitializations.emplace_back([=, this]() { generateVTableInitializer(spiceInterface); }, false);
545 }
546
547
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 138 return nullptr;
548 69 }
549
550 62 std::any IRGenerator::visitEnumDef(const EnumDefNode *node) {
551
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 62 return nullptr; // Noop (enums are high-level semantic-only structures)
552 }
553
554 735 std::any IRGenerator::visitGenericTypeDef(const GenericTypeDefNode *node) {
555
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 735 return nullptr; // Noop (generic types are high-level semantic-only structures)
556 }
557
558 52 std::any IRGenerator::visitAliasDef(const AliasDefNode *node) {
559
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 52 return nullptr; // Noop (alias definitions are high-level semantic-only structures)
560 }
561
562 1119 std::any IRGenerator::visitGlobalVarDef(const GlobalVarDefNode *node) {
563 // Retrieve some information about the variable
564
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 1119 assert(node->entry != nullptr);
565 1119 const QualType &entryType = node->entry->getQualType();
566 1119 const bool isPublic = entryType.isPublic();
567 1119 const bool isConst = entryType.isConst();
568
569 // Get correct type and linkage type
570
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 1119 const auto varType = std::any_cast<llvm::Type *>(visit(node->dataType));
571
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 1119 const auto linkage = isPublic ? llvm::GlobalValue::ExternalLinkage : llvm::GlobalValue::PrivateLinkage;
572
573 // Create global var
574
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 1119 llvm::Value *varAddress = module->getOrInsertGlobal(node->varName, varType);
575
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 1119 llvm::GlobalVariable *var = module->getNamedGlobal(node->varName);
576 // Set some attributes, based on the given information
577 1119 var->setLinkage(linkage);
578 1119 var->setConstant(isConst);
579
580 // Set initializer
581
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 1119 if (node->hasValue) { // Set the constant value as variable initializer
582
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 1119 const auto constantValue = std::any_cast<llvm::Constant *>(visit(node->constant));
583 1119 var->setInitializer(constantValue);
584 ✗ } else if (cliOptions.buildMode != RELEASE) { // Set the default value as variable initializer
585 ✗ assert(cliOptions.buildMode == DEBUG || cliOptions.buildMode == TEST);
586 ✗ llvm::Constant *constantValue = getDefaultValueForSymbolType(node->entry->getQualType());
587 ✗ var->setInitializer(constantValue);
588 }
589
590 1119 node->entry->updateAddress(varAddress);
591
592 // Add debug info
593 1119 diGenerator.generateGlobalVarDebugInfo(var, node->entry);
594
595
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 1119 return nullptr;
596 }
597
598 834 std::any IRGenerator::visitExtDecl(const ExtDeclNode *node) {
599 // Get return type
600 834 const Function *spiceFunc = node->extFunction;
601
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 834 assert(spiceFunc != nullptr);
602
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 834 llvm::Type *returnType = builder.getVoidTy();
603
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 834 if (!spiceFunc->returnType.is(TY_DYN))
604
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 546 returnType = spiceFunc->returnType.toLLVMType(sourceFile);
605
606 // Get arg types
607 834 std::vector<llvm::Type *> argTypes;
608
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 834 argTypes.reserve(spiceFunc->paramList.size());
609
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 2482 for (const QualType &paramType : spiceFunc->getParamTypes())
610
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 2482 argTypes.push_back(paramType.toLLVMType(sourceFile));
611
612 // Declare function
613
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 834 llvm::FunctionType *functionType = llvm::FunctionType::get(returnType, argTypes, node->isVarArg);
614
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 834 const std::string mangledName = spiceFunc->getMangledName();
615
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 834 module->getOrInsertFunction(mangledName, functionType);
616
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 834 llvm::Function *fct = module->getFunction(mangledName);
617
618 // Add noundef attribute to all parameters
619
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 2482 for (size_t i = 0; i < argTypes.size(); i++)
620
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 1648 fct->addParamAttr(i, llvm::Attribute::NoUndef);
621
622 // If the function should be imported as dll, add the dll attribute
623
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 836 if (node->attrs && node->attrs->attrLst->hasAttr(ATTR_CORE_LINKER_DLL))
624 ✗ if (node->attrs->attrLst->getAttrValueByName(ATTR_CORE_LINKER_DLL)->boolValue)
625 ✗ fct->setDLLStorageClass(llvm::GlobalValue::DLLImportStorageClass);
626
627
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 1668 return nullptr;
628 834 }
629
630 } // namespace spice::compiler
631