GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 91.2% 394 / 0 / 432
Functions: 95.7% 22 / 0 / 23
Branches: 49.2% 511 / 0 / 1038
src/irgenerator/GenImplicit.cpp
Line Branch Exec Source
1 // Copyright (c) 2021-2026 ChilliBits. All rights reserved.
2
3 #include "IRGenerator.h"
4
5 #include <SourceFile.h>
6 #include <ast/ASTNodes.h>
7 #include <ast/Attributes.h>
8 #include <driver/Driver.h>
9 #include <global/GlobalResourceManager.h>
10 #include <model/Function.h>
11 #include <symboltablebuilder/SymbolTableBuilder.h>
12 #include <typechecker/FunctionManager.h>
13
14 #include <llvm/IR/Module.h>
15
16 namespace spice::compiler {
17
18 // String placeholders for builtin testing output
19 static const char *const TEST_ALL_START_MSG = "[==========] Running %d test(s) from %d source file(s)\n";
20 static const char *const TEST_ALL_END_MSG = "[==========] Ran %d test(s) from %d source file(s)\n";
21 static const char *const TEST_FILE_START_MSG = "[----------] Running %d test(s) from %s\n";
22 static const char *const TEST_FILE_END_MSG = "[----------] Ran %d test(s) from %s\n\n";
23 static const char *const TEST_CASE_RUN_MSG = "[ RUN ] %s\n";
24 static const char *const TEST_CASE_SUCCESS_MSG = "\033[1m\033[32m[ PASSED ]\033[0m\033[22m %s\n";
25 static const char *const TEST_CASE_FAILED_MSG = "\033[1m\033[31m[ FAILED ]\033[0m\033[22m %s\n";
26 static const char *const TEST_CASE_SKIPPED_MSG = "\033[1m\033[33m[ SKIPPED ]\033[0m\033[22m %s\n";
27
28 13 llvm::Value *IRGenerator::doImplicitCast(llvm::Value *src, QualType dstSTy, QualType srcSTy) {
29
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 13 assert(srcSTy != dstSTy); // We only need to cast implicitly, if the types do not match exactly
30
31 // Unpack the pointers until a pointer of another type is met
32 13 size_t loadCounter = 0;
33
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 13 while (srcSTy.isPtr()) {
34 ✗ src = insertLoad(srcSTy, src);
35 ✗ srcSTy = srcSTy.getContained();
36 ✗ dstSTy = dstSTy.getContained();
37 ✗ loadCounter++;
38 }
39 // GEP or bit-cast
40
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 13 if (dstSTy.isArray() && srcSTy.isArray()) { // Special case that is used for passing arrays as pointer to functions
41
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 13 llvm::Value *indices[2] = {builder.getInt64(0), builder.getInt32(0)};
42
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 13 src = insertInBoundsGEP(srcSTy.toLLVMType(sourceFile), src, indices);
43 } else {
44 ✗ src = insertLoad(srcSTy, src);
45 ✗ src = builder.CreateBitCast(src, dstSTy.toLLVMType(sourceFile));
46 }
47 // Pack the pointers together again
48
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 13 for (; loadCounter > 0; loadCounter--) {
49 ✗ llvm::Value *newActualArg = insertAlloca(srcSTy);
50 ✗ insertStore(src, newActualArg);
51 ✗ src = newActualArg;
52 }
53 13 return src;
54 }
55
56 30995 void IRGenerator::generateScopeCleanup(const StmtLstNode *node) const {
57 // Do not clean up if the block is already terminated
58
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 30995 if (blockAlreadyTerminated)
59 11162 return;
60
61 // Call all dtor functions
62 19833 const auto &[dtorFunctionsToCall, heapVarsToFree] = node->resourcesToCleanup.at(manIdx);
63
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 20873 for (auto [entry, dtor] : dtorFunctionsToCall)
64
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 1040 generateCtorOrDtorCall(entry, dtor, {});
65
66 // Deallocate all heap variables that go out of scope and are currently owned
67
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 19837 for (const SymbolTableEntry *entry : heapVarsToFree)
68
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 4 generateDeallocCall(entry->getAddress());
69
70 // Generate lifetime end markers
71
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 19833 if (cliOptions.useLifetimeMarkers) {
72
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 42 for (const SymbolTableEntry *var : currentScope->getVarsGoingOutOfScope()) {
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 9 llvm::Value *address = var->getAddress();
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 9 if (address != nullptr)
75
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 9 builder.CreateLifetimeEnd(address);
76 33 }
77 }
78 }
79
80 1770 void IRGenerator::generateFctDecl(const Function *fct, const std::vector<llvm::Value *> &args) const {
81 // Retrieve metadata for the function
82
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 1770 const std::string mangledName = fct->getMangledName();
83
84 // Function is not defined in the current module -> declare it
85
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 1770 if (!module->getFunction(mangledName)) {
86 429 std::vector<llvm::Type *> paramTypes;
87
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 943 for (const llvm::Value *argValue : args)
88
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 514 paramTypes.push_back(argValue->getType());
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 429 llvm::Type *returnType = fct->isFunction() ? fct->returnType.toLLVMType(sourceFile) : builder.getVoidTy();
90
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 429 llvm::FunctionType *fctType = llvm::FunctionType::get(returnType, paramTypes, false);
91
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 429 module->getOrInsertFunction(mangledName, fctType);
92
93
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 429 if (fct->isMethod()) {
94 // Get callee function
95
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 429 llvm::Function *callee = module->getFunction(mangledName);
96
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 429 assert(callee != nullptr);
97
98 // Set attributes to 'this' param
99 // Get 'this' entry
100
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 1287 const SymbolTableEntry *thisEntry = fct->bodyScope->lookupStrict(THIS_VARIABLE_NAME);
101
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 429 assert(thisEntry != nullptr);
102
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 429 llvm::Type *structType = thisEntry->getQualType().getContained().toLLVMType(sourceFile);
103
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 429 assert(structType != nullptr);
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 429 callee->addParamAttr(0, llvm::Attribute::NoUndef);
105
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 429 callee->addParamAttr(0, llvm::Attribute::NonNull);
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 429 callee->addDereferenceableParamAttr(0, module->getDataLayout().getTypeStoreSize(structType));
107
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 429 callee->addParamAttr(0, llvm::Attribute::getWithAlignment(context, module->getDataLayout().getABITypeAlign(structType)));
108 }
109 429 }
110 1770 }
111
112 1770 llvm::CallInst *IRGenerator::generateFctCall(const Function *fct, const std::vector<llvm::Value *> &args) const {
113 // Retrieve metadata for the function
114
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 1770 const std::string mangledName = fct->getMangledName();
115
116 // Get callee function
117
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 1770 llvm::Function *callee = module->getFunction(mangledName);
118
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 1770 assert(callee != nullptr);
119
120 // Generate function call
121
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 1770 llvm::CallInst *callInst = builder.CreateCall(callee, args);
122
123 // Set attributes to 'this' param
124
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 1770 if (fct->isMethod()) {
125 // Get 'this' entry
126
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 5310 const SymbolTableEntry *thisEntry = fct->bodyScope->lookupStrict(THIS_VARIABLE_NAME);
127
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 1770 assert(thisEntry != nullptr);
128
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 1770 llvm::Type *structType = thisEntry->getQualType().getContained().toLLVMType(sourceFile);
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 1770 assert(structType != nullptr);
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 1770 callInst->addParamAttr(0, llvm::Attribute::NoUndef);
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 1770 callInst->addParamAttr(0, llvm::Attribute::NonNull);
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 1770 callInst->addDereferenceableParamAttr(0, module->getDataLayout().getTypeStoreSize(structType));
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 1770 callInst->addParamAttr(0, llvm::Attribute::getWithAlignment(context, module->getDataLayout().getABITypeAlign(structType)));
134 }
135
136 1770 return callInst;
137 1770 }
138
139 ✗ llvm::Value *IRGenerator::generateFctDeclAndCall(const Function *fct, const std::vector<llvm::Value *> &args) const {
140 ✗ generateFctDecl(fct, args);
141 ✗ return generateFctCall(fct, args);
142 }
143
144 1770 void IRGenerator::generateProcDeclAndCall(const Function *proc, const std::vector<llvm::Value *> &args) const {
145 1770 generateFctDecl(proc, args);
146 1770 (void)generateFctCall(proc, args);
147 1770 }
148
149 1328 void IRGenerator::generateCtorOrDtorCall(const SymbolTableEntry *entry, const Function *ctorOrDtor,
150 const std::vector<llvm::Value *> &args) const {
151 // Retrieve address of the struct variable. For fields this is the 'this' variable, otherwise use the normal address
152 llvm::Value *structAddr;
153
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 1328 if (entry->isField()) {
154 // Take 'this' var as base pointer
155
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 333 const SymbolTableEntry *thisVar = currentScope->lookupStrict(THIS_VARIABLE_NAME);
156
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 111 assert(thisVar != nullptr);
157
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 111 assert(thisVar->getQualType().isPtr() && thisVar->getQualType().getContained().is(TY_STRUCT));
158
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 111 llvm::Type *thisType = thisVar->getQualType().getContained().toLLVMType(sourceFile);
159
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 222 llvm::Value *thisPtr = insertLoad(builder.getPtrTy(), thisVar->getAddress());
160 // Add field offset
161
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 111 structAddr = insertStructGEP(thisType, thisPtr, entry->orderIndex);
162 } else {
163 1217 structAddr = entry->getAddress();
164 // For optional parameter initializers we need this exception
165
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 1217 if (!structAddr)
166 5 return;
167 }
168
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 1323 assert(structAddr != nullptr);
169 1323 generateCtorOrDtorCall(structAddr, ctorOrDtor, args);
170 }
171
172 1770 void IRGenerator::generateCtorOrDtorCall(llvm::Value *structAddr, const Function *ctorOrDtor,
173 const std::vector<llvm::Value *> &args) const {
174 // Build parameter list
175
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 3540 std::vector argValues = {structAddr};
176
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 1770 argValues.insert(argValues.end(), args.begin(), args.end());
177
178 // Generate function call
179
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 1770 generateProcDeclAndCall(ctorOrDtor, argValues);
180 1770 }
181
182 78 void IRGenerator::generateDeallocCall(llvm::Value *variableAddress) const {
183 // Abort if the address is not set. This can happen when leaving the scope of a dtor, which already freed the heap memory
184
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 78 if (!variableAddress)
185 1 return;
186
187 // In case of string runtime, call free manually. Otherwise, use the memory_rt implementation of sDealloc()
188
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 154 if (sourceFile->isStringRT()) {
189 ✗ llvm::Function *freeFct = stdFunctionManager.getFreeFct();
190 ✗ builder.CreateCall(freeFct, variableAddress);
191 } else {
192 77 llvm::Function *deallocFct = stdFunctionManager.getDeallocBytePtrRefFct();
193
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 77 builder.CreateCall(deallocFct, variableAddress);
194 }
195 }
196
197 4 llvm::Function *IRGenerator::generateImplicitFunction(const std::function<void()> &generateBody, const Function *spiceFunc) {
198 // Only focus on method procedures
199
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 4 const ASTNode *node = spiceFunc->entry->declNode;
200
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 4 assert(spiceFunc->isFunction());
201
202 // Only generate if used
203
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 4 if (!spiceFunc->used)
204 ✗ return nullptr;
205
206 // Retrieve return type
207
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 4 llvm::Type *returnType = spiceFunc->returnType.toLLVMType(sourceFile);
208
209 // Get 'this' entry
210 4 std::vector<llvm::Type *> paramTypes;
211
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 4 SymbolTableEntry *thisEntry = nullptr;
212
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 4 if (spiceFunc->isMethod()) {
213 ✗ thisEntry = spiceFunc->bodyScope->lookupStrict(THIS_VARIABLE_NAME);
214 ✗ assert(thisEntry != nullptr);
215 ✗ paramTypes.push_back(builder.getPtrTy());
216 }
217
218 // Get parameter types
219
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 4 for (const auto &[qualType, isOptional] : spiceFunc->paramList) {
220 ✗ assert(!isOptional);
221 ✗ paramTypes.push_back(qualType.toLLVMType(sourceFile));
222 }
223
224 // Get function linkage
225
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 4 const bool isPublic = spiceFunc->entry->getQualType().isPublic();
226
227 // Create function
228
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 4 const std::string mangledName = spiceFunc->getMangledName();
229
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 4 llvm::FunctionType *fctType = llvm::FunctionType::get(returnType, paramTypes, false);
230
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 4 const llvm::GlobalObject::LinkageTypes linkage = getSymbolLinkageType(isPublic);
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 4 llvm::Function *fct = llvm::Function::Create(fctType, linkage, mangledName, module);
232
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 4 fct->addFnAttr(llvm::Attribute::MustProgress);
233
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 4 fct->addFnAttr(llvm::Attribute::NoUnwind);
234
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 4 if (cliOptions.optLevel == OptLevel::O0) {
235
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 4 fct->addFnAttr(llvm::Attribute::OptimizeNone);
236
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 4 fct->addFnAttr(llvm::Attribute::NoInline);
237 ✗ } else if (cliOptions.optLevel >= OptLevel::Os) {
238 ✗ fct->addFnAttr(llvm::Attribute::OptimizeForSize);
239 }
240
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 4 fct->addFnAttr(llvm::Attribute::getWithUWTableKind(context, llvm::UWTableKind::Default));
241
242 // Set attributes to 'this' param
243
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 4 if (spiceFunc->isMethod()) {
244 ✗ fct->addParamAttr(0, llvm::Attribute::NoUndef);
245 ✗ fct->addParamAttr(0, llvm::Attribute::NonNull);
246 ✗ assert(thisEntry != nullptr);
247 ✗ llvm::Type *structType = thisEntry->getQualType().getContained().toLLVMType(sourceFile);
248 ✗ assert(structType != nullptr);
249 ✗ fct->addDereferenceableParamAttr(0, module->getDataLayout().getTypeStoreSize(structType));
250 ✗ fct->addParamAttr(0, llvm::Attribute::getWithAlignment(context, module->getDataLayout().getABITypeAlign(structType)));
251 }
252
253 // Add debug info
254
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 4 diGenerator.generateFunctionDebugInfo(fct, spiceFunc);
255
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 4 if (node != nullptr)
256 ✗ diGenerator.setSourceLocation(node);
257
258 // Change to body scope
259
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 4 changeToScope(spiceFunc->getScopeName(), ScopeType::FUNC_PROC_BODY);
260
261 // Create entry block
262
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 4 llvm::BasicBlock *bEntry = createBlock();
263
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 4 switchToBlock(bEntry, fct);
264
265 // Reset alloca insert markers to this block
266 4 allocaInsertBlock = bEntry;
267
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 4 allocaInsertInst = nullptr;
268
269 // Store first argument to 'this' symbol
270
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 4 if (spiceFunc->isMethod()) {
271 ✗ assert(thisEntry != nullptr);
272 // Allocate space for the parameter
273 ✗ llvm::Value *thisAddress = insertAlloca(paramTypes.front(), THIS_VARIABLE_NAME);
274 // Update the symbol table entry
275 ✗ thisEntry->updateAddress(thisAddress);
276 // Store the value at the new address
277 ✗ insertStore(fct->arg_begin(), thisAddress);
278 // Generate debug info
279 ✗ diGenerator.generateLocalVarDebugInfo(THIS_VARIABLE_NAME, thisAddress, 1);
280 }
281
282 // Generate body
283
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 4 generateBody();
284
285 // Conclude debug info for function
286
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 4 diGenerator.concludeFunctionDebugInfo();
287
288 // Verify function
289 // Use the code location of the declaration node if available. Otherwise, (e.g. in case of test main) use an artificial code loc
290
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 4 const CodeLoc codeLoc = node != nullptr ? node->codeLoc : CodeLoc(1, 1, sourceFile);
291
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 4 verifyFunction(fct, codeLoc);
292
293 // Change to parent scope
294
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 4 changeToParentScope(ScopeType::FUNC_PROC_BODY);
295
296 4 return fct;
297 4 }
298
299 256 llvm::Function *IRGenerator::generateImplicitProcedure(const std::function<void()> &generateBody, const Function *spiceProc) {
300 // Only focus on method procedures
301 256 const ASTNode *node = spiceProc->entry->declNode;
302
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 256 assert(node != nullptr);
303
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 256 assert(spiceProc->isProcedure());
304
305 // Only generate if used
306
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 256 if (!spiceProc->used)
307 82 return nullptr;
308
309 // Get 'this' entry
310 174 std::vector<llvm::Type *> paramTypes;
311
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 174 SymbolTableEntry *thisEntry = nullptr;
312
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 174 if (spiceProc->isMethod()) {
313
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 522 thisEntry = spiceProc->bodyScope->lookupStrict(THIS_VARIABLE_NAME);
314
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 174 assert(thisEntry != nullptr);
315
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 174 paramTypes.push_back(builder.getPtrTy());
316 }
317
318 // Get parameter types
319
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 196 for (const auto &[qualType, isOptional] : spiceProc->paramList) {
320
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 22 assert(!isOptional);
321
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 22 paramTypes.push_back(qualType.toLLVMType(sourceFile));
322 }
323
324 // Get function linkage
325
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 174 const bool isPublic = spiceProc->entry->getQualType().isPublic();
326
327 // Create function
328
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 174 const std::string mangledName = spiceProc->getMangledName();
329
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 174 llvm::FunctionType *fctType = llvm::FunctionType::get(builder.getVoidTy(), paramTypes, false);
330
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 174 const llvm::GlobalObject::LinkageTypes linkage = getSymbolLinkageType(isPublic);
331
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 174 llvm::Function *fct = llvm::Function::Create(fctType, linkage, mangledName, module);
332
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 174 fct->addFnAttr(llvm::Attribute::MustProgress);
333
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 174 fct->addFnAttr(llvm::Attribute::NoUnwind);
334
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 174 if (cliOptions.optLevel == OptLevel::O0) {
335
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 174 fct->addFnAttr(llvm::Attribute::OptimizeNone);
336
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 174 fct->addFnAttr(llvm::Attribute::NoInline);
337 ✗ } else if (cliOptions.optLevel >= OptLevel::Os) {
338 ✗ fct->addFnAttr(llvm::Attribute::OptimizeForSize);
339 }
340
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 174 fct->addFnAttr(llvm::Attribute::getWithUWTableKind(context, llvm::UWTableKind::Default));
341
342 // Set attributes to 'this' param
343
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 174 if (spiceProc->isMethod()) {
344
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 174 fct->addParamAttr(0, llvm::Attribute::NoUndef);
345
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 174 fct->addParamAttr(0, llvm::Attribute::NonNull);
346
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 174 assert(thisEntry != nullptr);
347
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 174 llvm::Type *structType = thisEntry->getQualType().getContained().toLLVMType(sourceFile);
348
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 174 assert(structType != nullptr);
349
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 174 fct->addDereferenceableParamAttr(0, module->getDataLayout().getTypeStoreSize(structType));
350
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 174 fct->addParamAttr(0, llvm::Attribute::getWithAlignment(context, module->getDataLayout().getABITypeAlign(structType)));
351 }
352
353 // Add debug info
354
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 174 diGenerator.generateFunctionDebugInfo(fct, spiceProc);
355
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 174 diGenerator.setSourceLocation(node);
356
357 // Change to body scope
358
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 174 changeToScope(spiceProc->getScopeName(), ScopeType::FUNC_PROC_BODY);
359
360 // Create entry block
361
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 174 llvm::BasicBlock *bEntry = createBlock();
362
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 174 switchToBlock(bEntry, fct);
363
364 // Reset alloca insert markers to this block
365 174 allocaInsertBlock = bEntry;
366
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 174 allocaInsertInst = nullptr;
367
368 // Store first argument to 'this' symbol
369
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 174 if (spiceProc->isMethod()) {
370
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 174 assert(thisEntry != nullptr);
371 // Allocate space for the parameter
372
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 174 llvm::Value *thisAddress = insertAlloca(paramTypes.front(), THIS_VARIABLE_NAME);
373 // Update the symbol table entry
374
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 174 thisEntry->updateAddress(thisAddress);
375 // Store the value at the new address
376
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 174 insertStore(fct->arg_begin(), thisAddress);
377 // Generate debug info
378
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 522 diGenerator.generateLocalVarDebugInfo(THIS_VARIABLE_NAME, thisAddress, 1);
379 }
380
381 // Generate body
382
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 174 generateBody();
383
384 // Create return instruction
385
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 174 builder.CreateRetVoid();
386
387 // Conclude debug info for function
388
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 174 diGenerator.concludeFunctionDebugInfo();
389
390 // Verify function
391
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 174 verifyFunction(fct, node->codeLoc);
392
393 // Change to parent scope
394
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 174 changeToParentScope(ScopeType::FUNC_PROC_BODY);
395
396 174 return fct;
397 174 }
398
399 1356 void IRGenerator::generateCtorBodyPreamble(Scope *bodyScope) {
400 // Retrieve struct scope
401 1356 Scope *structScope = bodyScope->parent;
402
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 1356 assert(structScope != nullptr);
403
404 // Get struct address
405
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 4068 const SymbolTableEntry *thisEntry = bodyScope->lookupStrict(THIS_VARIABLE_NAME);
406
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 1356 assert(thisEntry != nullptr);
407
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 1356 llvm::Value *thisPtrPtr = thisEntry->getAddress();
408
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 1356 assert(thisPtrPtr != nullptr);
409 1356 llvm::Value *thisPtr = nullptr;
410
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 1356 const QualType structSymbolType = thisEntry->getQualType().getBase();
411
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 1356 llvm::Type *structType = structSymbolType.toLLVMType(sourceFile);
412
413 // Store VTable to first struct field if required
414
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 1356 const Struct *spiceStruct = structSymbolType.getStruct(nullptr);
415
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 1356 assert(spiceStruct != nullptr);
416
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 1356 if (spiceStruct->vTableData.vtable != nullptr) {
417
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 258 assert(spiceStruct->vTableData.vtableType != nullptr);
418 // Store VTable to field address at index 0
419
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 258 thisPtr = insertLoad(builder.getPtrTy(), thisPtrPtr);
420
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 258 llvm::Value *indices[3] = {builder.getInt64(0), builder.getInt32(0), builder.getInt32(2)};
421
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 258 llvm::Value *gepResult = insertInBoundsGEP(spiceStruct->vTableData.vtableType, spiceStruct->vTableData.vtable, indices);
422
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 258 insertStore(gepResult, thisPtr);
423 }
424
425
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 1356 const size_t fieldCount = structScope->getFieldCount();
426
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 4735 for (size_t fieldIdx = 0; fieldIdx < fieldCount; fieldIdx++) {
427
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 3379 const SymbolTableEntry *fieldSymbol = structScope->lookupField(fieldIdx);
428
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 3379 assert(fieldSymbol != nullptr && fieldSymbol->isField());
429
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 3379 if (fieldSymbol->isImplicitField)
430 208 continue;
431
432 // Call ctor for struct fields
433
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 3171 const QualType &fieldType = fieldSymbol->getQualType();
434
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 3171 const auto fieldNode = spice_pointer_cast<FieldNode *>(fieldSymbol->declNode);
435
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 3171 if (fieldType.is(TY_STRUCT)) {
436 // Lookup ctor function and call if available
437
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 390 Scope *matchScope = fieldType.getBodyScope();
438
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 1170 if (const Function *ctorFunction = FunctionManager::lookup(matchScope, CTOR_FUNCTION_NAME, fieldType, {}, false)) {
439
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 330 if (!thisPtr)
440
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 184 thisPtr = insertLoad(builder.getPtrTy(), thisPtrPtr);
441
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 330 llvm::Value *fieldAddress = insertStructGEP(structType, thisPtr, fieldIdx);
442
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 330 generateCtorOrDtorCall(fieldAddress, ctorFunction, {});
443 }
444 390 continue;
445 390 }
446
447 // Store default field values
448
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 2781 if (fieldNode->defaultValue != nullptr || cliOptions.buildMode != BuildMode::RELEASE) {
449 // Retrieve field address
450
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 2781 if (!thisPtr)
451
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 1992 thisPtr = insertLoad(builder.getPtrTy(), thisPtrPtr);
452
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 2781 llvm::Value *fieldAddress = insertStructGEP(structType, thisPtr, fieldIdx);
453 // Retrieve default value
454 llvm::Value *value;
455
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 2781 if (fieldNode->defaultValue != nullptr) {
456 // To resolve the default value, we need to temporarily change to the manifestation of the current struct instantiation
457 301 const size_t oldManIdx = manIdx; // Save manifestation index
458 301 manIdx = spiceStruct->manifestationIndex;
459
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 301 value = resolveValue(fieldNode->defaultValue);
460 301 manIdx = oldManIdx; // Restore manifestation index
461 } else {
462
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 2480 assert(cliOptions.buildMode == BuildMode::DEBUG || cliOptions.buildMode == BuildMode::TEST);
463
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 2480 value = getDefaultValueForSymbolType(fieldType);
464 }
465 // Store default value
466
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 2781 insertStore(value, fieldAddress);
467 }
468 }
469 1356 }
470
471 45 void IRGenerator::generateDefaultCtor(const Function *ctorFunction) {
472
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 45 assert(ctorFunction->implicitDefault && ctorFunction->name == CTOR_FUNCTION_NAME);
473 86 const std::function<void()> generateBody = [&] { generateCtorBodyPreamble(ctorFunction->bodyScope); };
474
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 45 generateImplicitProcedure(generateBody, ctorFunction);
475 45 }
476
477 22 void IRGenerator::generateCopyCtorBodyPreamble(const Function *copyCtorFunction) {
478 // Retrieve struct scope
479 22 Scope *structScope = copyCtorFunction->bodyScope->parent;
480
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 22 assert(structScope != nullptr);
481
482 // Get struct address
483
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 66 const SymbolTableEntry *thisEntry = copyCtorFunction->bodyScope->lookupStrict(THIS_VARIABLE_NAME);
484
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 22 assert(thisEntry != nullptr);
485 22 llvm::Value *thisPtrPtr = thisEntry->getAddress();
486
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 22 assert(thisPtrPtr != nullptr);
487 22 llvm::Value *thisPtr = nullptr;
488
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 22 llvm::Type *structType = thisEntry->getQualType().getBase().toLLVMType(sourceFile);
489
490 // Retrieve the value of the original struct, which is the only function parameter
491 22 llvm::Value *originalThisPtr = builder.GetInsertBlock()->getParent()->getArg(1);
492
493 22 const size_t fieldCount = structScope->getFieldCount();
494
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 99 for (size_t fieldIdx = 0; fieldIdx < fieldCount; fieldIdx++) {
495
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 77 const SymbolTableEntry *fieldSymbol = structScope->lookupField(fieldIdx);
496
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 77 assert(fieldSymbol != nullptr && fieldSymbol->isField());
497
498 // Retrieve the address of the original field (copy source)
499
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 77 llvm::Value *originalFieldAddress = insertStructGEP(structType, originalThisPtr, fieldIdx);
500
501 77 const QualType &fieldType = fieldSymbol->getQualType();
502
503 // Call copy ctor for struct fields
504
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 77 if (fieldType.is(TY_STRUCT) && !fieldType.isTriviallyCopyable(nullptr)) {
505 // Lookup copy ctor function and call if available
506
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 38 Scope *matchScope = fieldType.getBodyScope();
507
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 114 const ArgList args = {{fieldType.toConstRef(nullptr), false /* we have the field as storage */}};
508
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 38 const Function *copyCtor = FunctionManager::lookup(matchScope, CTOR_FUNCTION_NAME, fieldType, args, false);
509
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 38 assert(copyCtor != nullptr);
510
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 76 generateCtorOrDtorCall(fieldSymbol, copyCtor, {originalFieldAddress});
511 38 continue;
512 38 }
513
514 // Retrieve the address of the new field (copy dest)
515
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 39 if (!thisPtr)
516
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 24 thisPtr = insertLoad(builder.getPtrTy(), thisPtrPtr);
517
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 39 llvm::Value *fieldAddress = insertStructGEP(structType, thisPtr, fieldIdx);
518
519 // For owning heap fields, copy the underlying heap storage
520
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 39 if (fieldType.isHeap()) {
521
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 7 assert(fieldType.isPtr());
522
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 7 llvm::Type *pointeeType = fieldType.getContained().toLLVMType(sourceFile);
523
524 // Retrieve original heap address
525
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 14 llvm::Value *originalHeapAddress = insertLoad(builder.getPtrTy(), originalFieldAddress);
526
527 // Insert check for nullptr
528
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 14 llvm::BasicBlock *bThen = createBlock("nullptrcheck.then");
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 7 llvm::BasicBlock *bExit = createBlock("nullptrcheck.exit");
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 7 llvm::Value *condValue = builder.CreateICmpNE(originalHeapAddress, llvm::Constant::getNullValue(builder.getPtrTy()));
531 7 insertCondJump(condValue, bThen, bExit);
532
533 // Fill then block
534 7 switchToBlock(bThen);
535
536 // Allocate new space on the heap
537 7 llvm::Function *unsafeAllocFct = stdFunctionManager.getAllocUnsafeLongFct();
538
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 7 const size_t typeSizeInBytes = module->getDataLayout().getTypeSizeInBits(pointeeType) / 8;
539 7 llvm::ConstantInt *typeSize = builder.getInt64(typeSizeInBytes);
540
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 7 llvm::Value *newHeapAddress = builder.CreateCall(unsafeAllocFct, {typeSize});
541 7 insertStore(newHeapAddress, fieldAddress);
542
543 // Copy data from the old heap storage to the new one
544 7 generateShallowCopy(originalHeapAddress, pointeeType, newHeapAddress, false);
545 7 insertJump(bExit);
546
547 // Switch to exit block
548 7 switchToBlock(bExit);
549
550 7 continue;
551 7 }
552
553 // Shallow copy
554 32 llvm::Type *type = fieldType.toLLVMType(sourceFile);
555 32 generateShallowCopy(originalFieldAddress, type, fieldAddress, false);
556 }
557 22 }
558
559 98 void IRGenerator::generateDefaultCopyCtor(const Function *copyCtorFunction) {
560
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 98 assert(copyCtorFunction->implicitDefault && copyCtorFunction->name == CTOR_FUNCTION_NAME);
561 120 const std::function<void()> generateBody = [&] { generateCopyCtorBodyPreamble(copyCtorFunction); };
562
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 98 generateImplicitProcedure(generateBody, copyCtorFunction);
563 98 }
564
565 111 void IRGenerator::generateDtorBodyPreamble(const Function *dtorFunction) const {
566 // Retrieve struct scope
567 111 Scope *structScope = dtorFunction->bodyScope->parent;
568
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 111 assert(structScope != nullptr);
569
570 // Get struct address
571
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 333 const SymbolTableEntry *thisEntry = dtorFunction->bodyScope->lookupStrict(THIS_VARIABLE_NAME);
572
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 111 assert(thisEntry != nullptr);
573 111 llvm::Value *thisPtrPtr = thisEntry->getAddress();
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 111 assert(thisPtrPtr != nullptr);
575 111 llvm::Value *thisPtr = nullptr;
576
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 111 llvm::Type *structType = thisEntry->getQualType().getBase().toLLVMType(sourceFile);
577
578 111 const size_t fieldCount = structScope->getFieldCount();
579
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 493 for (size_t i = 0; i < fieldCount; i++) {
580 382 const size_t fieldIdx = fieldCount - 1 - i; // Destruct fields in reverse order
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 382 const SymbolTableEntry *fieldSymbol = structScope->lookupField(fieldIdx);
582
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 382 assert(fieldSymbol != nullptr && fieldSymbol->isField());
583
584 // Call dtor for struct fields
585 382 const QualType &fieldType = fieldSymbol->getQualType();
586
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 382 if (fieldType.is(TY_STRUCT)) {
587 // Lookup dtor function and generate call if found
588
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 246 if (const Function *dtorFct = FunctionManager::lookup(fieldType.getBodyScope(), DTOR_FUNCTION_NAME, fieldType, {}, false))
589
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 73 generateCtorOrDtorCall(fieldSymbol, dtorFct, {});
590 82 continue;
591 82 }
592
593 // Deallocate fields, that are stored on the heap
594
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 300 if (fieldType.isHeap()) {
595 // Retrieve field address
596
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 74 if (!thisPtr)
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 136 thisPtr = insertLoad(builder.getPtrTy(), thisPtrPtr);
598
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 74 llvm::Value *fieldAddress = insertStructGEP(structType, thisPtr, fieldIdx);
599 // Call dealloc function
600 74 generateDeallocCall(fieldAddress);
601 }
602 }
603 111 }
604
605 113 void IRGenerator::generateDefaultDtor(const Function *dtorFunction) {
606
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 113 assert(dtorFunction->implicitDefault && dtorFunction->name == DTOR_FUNCTION_NAME);
607 224 const std::function<void()> generateBody = [&] { generateDtorBodyPreamble(dtorFunction); };
608
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 113 generateImplicitProcedure(generateBody, dtorFunction);
609 113 }
610
611 4 void IRGenerator::generateTestMain() {
612 // Collect all test functions
613 4 std::vector<const std::vector<const Function *> *> tests;
614
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 9 for (const auto &sourceFile : resourceManager.sourceFiles | std::views::values)
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 5 if (!sourceFile->testFunctions.empty())
616
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 5 tests.push_back(&sourceFile->testFunctions);
617
618 // Prepare printf function
619
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 4 llvm::Function *printfFct = stdFunctionManager.getPrintfFct();
620
621 // Prepare success and error messages
622
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 16 llvm::Constant *allStartMsg = createGlobalStringConst("allStartMsg", TEST_ALL_START_MSG, *rootScope->codeLoc);
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 16 llvm::Constant *allEndMsg = createGlobalStringConst("allEndMsg", TEST_ALL_END_MSG, *rootScope->codeLoc);
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 16 llvm::Constant *fileStartMsg = createGlobalStringConst("fileStartMsg", TEST_FILE_START_MSG, *rootScope->codeLoc);
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 16 llvm::Constant *fileEndMsg = createGlobalStringConst("fileEndMsg", TEST_FILE_END_MSG, *rootScope->codeLoc);
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 16 llvm::Constant *runMsg = createGlobalStringConst("runMsg", TEST_CASE_RUN_MSG, *rootScope->codeLoc);
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 16 llvm::Constant *successMsg = createGlobalStringConst("successMsg", TEST_CASE_SUCCESS_MSG, *rootScope->codeLoc);
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 16 llvm::Constant *errorMsg = createGlobalStringConst("errorMsg", TEST_CASE_FAILED_MSG, *rootScope->codeLoc);
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 16 llvm::Constant *skippedMsg = createGlobalStringConst("skippedMsg", TEST_CASE_SKIPPED_MSG, *rootScope->codeLoc);
630
631 // Prepare entry for test main
632
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 4 QualType functionType(TY_FUNCTION);
633
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 4 functionType.setQualifiers(TypeQualifiers::of(TY_FUNCTION));
634
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 4 functionType.makePublic();
635
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 8 SymbolTableEntry entry(MAIN_FUNCTION_NAME, functionType, rootScope, nullptr, 0, false);
636
637 // Prepare test main function
638
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 12 Function testMain(MAIN_FUNCTION_NAME, &entry, QualType(TY_DYN), QualType(TY_INT), {}, {}, nullptr);
639 4 testMain.used = true; // Mark as used to prevent removal
640 4 testMain.implicitDefault = true;
641 4 testMain.mangleFunctionName = false;
642
643 // Prepare scope
644
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 4 rootScope->createChildScope(testMain.getScopeName(), ScopeType::FUNC_PROC_BODY, nullptr);
645
646 // Generate
647 ✗ const std::function<void()> generateBody = [&] {
648 // Prepare result variable
649 4 std::vector<llvm::Value *> testCaseResults;
650
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 4 testCaseResults.reserve(tests.size());
651
652 // Print start message
653 5 const auto accFct = [&](size_t sum, const std::vector<const Function *> *innerVector) { return sum + innerVector->size(); };
654 4 const size_t totalTestCount = std::accumulate(tests.begin(), tests.end(), 0, accFct);
655
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 4 builder.CreateCall(printfFct, {allStartMsg, builder.getInt32(totalTestCount), builder.getInt32(tests.size())});
656
657 // Generate a call to each test function
658
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 9 for (const std::vector<const Function *> *testSuite : tests) {
659 // Print test suite prologue
660
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 5 const std::string fileName = testSuite->front()->bodyScope->sourceFile->fileName;
661
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 10 llvm::Constant *fileNameValue = createGlobalStringConst("fileName", fileName, testSuite->front()->getDeclCodeLoc());
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 5 builder.CreateCall(printfFct, {fileStartMsg, builder.getInt32(testSuite->size()), fileNameValue});
663
664
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 15 for (const Function *testFunction : *testSuite) {
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 10 assert(testFunction->isNormalFunction());
666
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 10 assert(testFunction->paramList.empty());
667
668 // Retrieve attribute list for the test function
669
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 10 assert(testFunction->declNode->isFctOrProcDef());
670
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 10 const auto fctDefNode = spice_pointer_cast<FctDefBaseNode *>(testFunction->declNode);
671
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 10 assert(fctDefNode->attrs != nullptr);
672 10 const AttrLstNode *attrs = fctDefNode->attrs->attrLst;
673
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 20 assert(attrs->getAttrValueByName(ATTR_TEST)->boolValue); // The test attribute must be present
674
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 20 const CompileTimeValue *testSkipAttr = attrs->getAttrValueByName(ATTR_TEST_SKIP);
675
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 10 const bool skipTest = testSkipAttr && testSkipAttr->boolValue;
676
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 20 const CompileTimeValue *testNameAttr = attrs->getAttrValueByName(ATTR_TEST_NAME);
677
678 // Prepare test name
679
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 10 std::stringstream testName;
680
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 10 testName << testFunction->name;
681
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 10 if (testNameAttr)
682
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 1 testName << " (" << resourceManager.compileTimeStringValues.at(testNameAttr->stringValueOffset) << ")";
683
684 // Print test case run message
685
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 30 llvm::Constant *testNameValue = createGlobalStringConst("testName", testName.str(), testFunction->getDeclCodeLoc());
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 10 builder.CreateCall(printfFct, {runMsg, testNameValue});
687
688
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 10 if (skipTest) {
689 // Print test case skip message
690
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 1 builder.CreateCall(printfFct, {skippedMsg, testNameValue});
691 1 continue;
692 }
693
694 // Test function is not defined in the current module -> declare it
695
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 9 const std::string mangledName = testFunction->getMangledName();
696
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 9 if (!module->getFunction(mangledName)) {
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 2 assert(testFunction->returnType.is(TY_BOOL));
698
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 2 assert(testFunction->paramList.empty());
699
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 2 llvm::FunctionType *fctType = llvm::FunctionType::get(builder.getInt1Ty(), {}, false);
700
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 2 module->getOrInsertFunction(mangledName, fctType);
701 }
702
703 // Call test function
704
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 9 llvm::Function *callee = module->getFunction(mangledName);
705
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 9 assert(callee != nullptr);
706
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 9 llvm::Value *testCaseResult = builder.CreateCall(callee);
707
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 9 testCaseResults.push_back(testCaseResult);
708
709 // Print test case result message
710
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 9 llvm::Value *message = builder.CreateSelect(testCaseResult, successMsg, errorMsg);
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 9 builder.CreateCall(printfFct, {message, testNameValue});
712
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 10 }
713
714 // Print test suite epilogue
715
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 5 builder.CreateCall(printfFct, {fileEndMsg, builder.getInt32(testSuite->size()), fileNameValue});
716 5 }
717
718 // Print end message
719
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 4 builder.CreateCall(printfFct, {allEndMsg, builder.getInt32(totalTestCount), builder.getInt32(tests.size())});
720
721 // Compute overall result
722
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 4 llvm::Value *overallResult = builder.getTrue();
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 13 for (llvm::Value *testCaseResult : testCaseResults)
724
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 9 overallResult = builder.CreateAnd(overallResult, testCaseResult);
725
726 // Return code must be 0 for success and 1 for failure, so we need to invert the result and zero extend to 32 bit
727
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 4 llvm::Value *overallResultNegated = builder.CreateNot(overallResult);
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 4 llvm::Value *exitCode = builder.CreateZExt(overallResultNegated, builder.getInt32Ty());
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 4 builder.CreateRet(exitCode);
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 8 };
731
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 4 generateImplicitFunction(generateBody, &testMain);
732 4 }
733
734 } // namespace spice::compiler
735