GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 100.0% 7 / 0 / 7
Functions: -% 0 / 0 / 0
Branches: 41.9% 93 / 0 / 222
src/irgenerator/IRGenerator.h
Line Branch Exec Source
1 // Copyright (c) 2021-2026 ChilliBits. All rights reserved.
2
3 #pragma once
4
5 #include <CompilerPass.h>
6 #include <ast/ASTNodes.h>
7 #include <ast/ParallelizableASTVisitor.h>
8 #include <irgenerator/DebugInfoGenerator.h>
9 #include <irgenerator/MetadataGenerator.h>
10 #include <irgenerator/OpRuleConversionManager.h>
11 #include <irgenerator/StdFunctionManager.h>
12 #include <model/StructBase.h>
13 #include <symboltablebuilder/Scope.h>
14 #include <util/DeferredLogic.h>
15
16 namespace spice::compiler {
17
18 // Forward declarations
19 class ExprNode;
20
21 const char *const ANON_GLOBAL_STRING_NAME = "anon.string.";
22 const char *const ANON_GLOBAL_ARRAY_NAME = "anon.array.";
23 const char *const CAPTURES_PARAM_NAME = "captures";
24 static const std::string PRODUCER_STRING =
25 "spice version " + std::string(SPICE_VERSION) + " (https://github.com/spicelang/spice)";
26
27 enum class Likelihood : uint8_t {
28 UNSPECIFIED,
29 LIKELY,
30 UNLIKELY,
31 };
32
33 // Forward declarations
34 class SourceFile;
35
36 class IRGenerator final : CompilerPass, public ParallelizableASTVisitor {
37 public:
38 // Type definitions
39 using ParamInfoList = std::vector<std::pair<std::string, SymbolTableEntry *>>;
40
41 // Constructors
42 IRGenerator(GlobalResourceManager &resourceManager, SourceFile *sourceFile);
43
44 // Friend classes
45 friend class StdFunctionManager;
46 friend class OpRuleConversionManager;
47 friend class DebugInfoGenerator;
48 friend class MetadataGenerator;
49 friend class ScopeHandle;
50
51 // Visitor methods
52 // Top level definitions
53 std::any visitEntry(const EntryNode *node) override;
54 std::any visitMainFctDef(const MainFctDefNode *node) override;
55 std::any visitFctDef(const FctDefNode *node) override;
56 std::any visitProcDef(const ProcDefNode *node) override;
57 std::any visitStructDef(const StructDefNode *node) override;
58 std::any visitInterfaceDef(const InterfaceDefNode *node) override;
59 std::any visitEnumDef(const EnumDefNode *node) override;
60 std::any visitGenericTypeDef(const GenericTypeDefNode *node) override;
61 std::any visitAliasDef(const AliasDefNode *node) override;
62 std::any visitGlobalVarDef(const GlobalVarDefNode *node) override;
63 std::any visitExtDecl(const ExtDeclNode *node) override;
64 // Control structures
65 std::any visitUnsafeBlockDef(const UnsafeBlockNode *node) override;
66 std::any visitForLoop(const ForLoopNode *node) override;
67 std::any visitForeachLoop(const ForeachLoopNode *node) override;
68 std::any visitWhileLoop(const WhileLoopNode *node) override;
69 std::any visitDoWhileLoop(const DoWhileLoopNode *node) override;
70 std::any visitIfStmt(const IfStmtNode *node) override;
71 std::any visitElseStmt(const ElseStmtNode *node) override;
72 std::any visitSwitchStmt(const SwitchStmtNode *node) override;
73 std::any visitCaseBranch(const CaseBranchNode *node) override;
74 std::any visitDefaultBranch(const DefaultBranchNode *node) override;
75 std::any visitAssertStmt(const AssertStmtNode *node) override;
76 std::any visitAnonymousBlockStmt(const AnonymousBlockStmtNode *node) override;
77 // Statements
78 std::any visitStmtLst(const StmtLstNode *node) override;
79 std::any visitTypeAltsLst(const TypeAltsLstNode *node) override;
80 std::any visitDeclStmt(const DeclStmtNode *node) override;
81 std::any visitQualifierLst(const QualifierLstNode *node) override;
82 std::any visitModAttr(const ModAttrNode *node) override;
83 std::any visitTopLevelDefinitionAttr(const TopLevelDefAttrNode *node) override;
84 std::any visitCaseConstant(const CaseConstantNode *node) override;
85 std::any visitReturnStmt(const ReturnStmtNode *node) override;
86 std::any visitBreakStmt(const BreakStmtNode *node) override;
87 std::any visitContinueStmt(const ContinueStmtNode *node) override;
88 std::any visitFallthroughStmt(const FallthroughStmtNode *node) override;
89 // Expressions
90 std::any visitAssignExpr(const AssignExprNode *node) override;
91 std::any visitTernaryExpr(const TernaryExprNode *node) override;
92 std::any visitLogicalOrExpr(const LogicalOrExprNode *node) override;
93 std::any visitLogicalAndExpr(const LogicalAndExprNode *node) override;
94 std::any visitBitwiseOrExpr(const BitwiseOrExprNode *node) override;
95 std::any visitBitwiseXorExpr(const BitwiseXorExprNode *node) override;
96 std::any visitBitwiseAndExpr(const BitwiseAndExprNode *node) override;
97 std::any visitEqualityExpr(const EqualityExprNode *node) override;
98 std::any visitRelationalExpr(const RelationalExprNode *node) override;
99 std::any visitShiftExpr(const ShiftExprNode *node) override;
100 std::any visitAdditiveExpr(const AdditiveExprNode *node) override;
101 std::any visitMultiplicativeExpr(const MultiplicativeExprNode *node) override;
102 std::any visitCastExpr(const CastExprNode *node) override;
103 std::any visitPrefixUnaryExpr(const PrefixUnaryExprNode *node) override;
104 std::any visitPostfixUnaryExpr(const PostfixUnaryExprNode *node) override;
105 std::any visitAtomicExpr(const AtomicExprNode *node) override;
106 // Values and types
107 std::any visitValue(const ValueNode *node) override;
108 std::any visitConstant(const ConstantNode *node) override;
109 std::any visitFctCall(const FctCallNode *node) override;
110 std::any visitArrayInitialization(const ArrayInitializationNode *node) override;
111 std::any visitStructInstantiation(const StructInstantiationNode *node) override;
112 std::any visitLambdaFunc(const LambdaFuncNode *node) override;
113 std::any visitLambdaProc(const LambdaProcNode *node) override;
114 std::any visitLambdaExpr(const LambdaExprNode *node) override;
115 std::any visitDataType(const DataTypeNode *node) override;
116
117 // Public methods
118
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 44202 llvm::AllocaInst *insertAlloca(llvm::Type *llvmType, const std::string &varName = "");
119
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 50868 llvm::AllocaInst *insertAlloca(const QualType &qualType, const std::string &varName = "");
120 llvm::LoadInst *insertLoad(llvm::Type *llvmType, llvm::Value *ptr, bool isVolatile = false,
121
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 75180 const std::string &varName = "") const;
122 llvm::LoadInst *insertLoad(const QualType &qualType, llvm::Value *ptr, bool isVolatile = false,
123
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 507786 const std::string &varName = "");
124 llvm::StoreInst *insertStore(llvm::Value *val, llvm::Value *ptr, bool isVolatile = false) const;
125 void insertStore(llvm::Value *val, llvm::Value *ptr, const QualType &qualType, bool isVolatile = false);
126 llvm::Value *insertInBoundsGEP(llvm::Type *type, llvm::Value *basePtr, llvm::ArrayRef<llvm::Value *> indices,
127
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 21573 const std::string &varName = "") const;
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 65568 llvm::Value *insertStructGEP(llvm::Type *type, llvm::Value *basePtr, unsigned index, const std::string &varName = "") const;
129 llvm::Value *resolveValue(const ExprNode *node);
130 llvm::Value *resolveValue(const ExprNode *node, LLVMExprResult &exprResult);
131 llvm::Value *resolveValue(const QualType &qualType, LLVMExprResult &exprResult);
132 llvm::Value *resolveAddress(const ASTNode *node);
133 llvm::Value *resolveAddress(LLVMExprResult &exprResult);
134 [[nodiscard]] llvm::Constant *getDefaultValueForSymbolType(const QualType &symbolType);
135 [[nodiscard]] static std::string getIRString(llvm::Module *llvmModule, const CliOptions &cliOptions);
136
137 // Builtin function handlers
138 std::any visitBuiltinCall(const FctCallNode *node);
139 std::any visitBuiltinPrintfCall(const FctCallNode *node);
140 std::any visitBuiltinLenCall(const FctCallNode *node);
141 std::any visitBuiltinPanicCall(const FctCallNode *node);
142 std::any visitBuiltinSyscallCall(const FctCallNode *node);
143 std::any visitBuiltinNewCall(const FctCallNode *node);
144 std::any visitBuiltinPlacementNewCall(const FctCallNode *node);
145
146 private:
147 // Private methods
148 llvm::Constant *getConst(const CompileTimeValue &compileTimeValue, const QualType &type, const ASTNode *node) const;
149
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 92535 llvm::BasicBlock *createBlock(const std::string &blockName = "") const;
150 void switchToBlock(llvm::BasicBlock *block, llvm::Function *parentFct = nullptr);
151 void terminateBlock(const StmtLstNode *stmtLstNode);
152 void insertJump(llvm::BasicBlock *targetBlock);
153 void insertCondJump(llvm::Value *condition, llvm::BasicBlock *trueBlock, llvm::BasicBlock *falseBlock,
154 Likelihood likelihood = Likelihood::UNSPECIFIED);
155 void verifyFunction(const llvm::Function *fct, const CodeLoc &codeLoc) const;
156 void verifyModule(const CodeLoc &codeLoc) const;
157 LLVMExprResult doAssignment(const ASTNode *lhsNode, const ExprNode *rhsNode, const ASTNode *node);
158 LLVMExprResult doAssignment(llvm::Value *lhsAddress, SymbolTableEntry *lhsEntry, const ExprNode *rhsNode, const ASTNode *node,
159 bool isDecl = false);
160 LLVMExprResult doAssignment(llvm::Value *lhsAddress, SymbolTableEntry *lhsEntry, LLVMExprResult &rhs, const QualType &rhsSType,
161 const ASTNode *node, bool isDecl);
162 void generateShallowCopy(llvm::Value *oldAddress, llvm::Type *varType, llvm::Value *targetAddress, bool isVolatile) const;
163 void autoDeReferencePtr(llvm::Value *&ptr, QualType &symbolType);
164 llvm::GlobalVariable *createGlobalConst(const std::string &baseName, llvm::Constant *constant) const;
165 llvm::GlobalVariable *createGlobalStringConst(const std::string &baseName, const std::string &value) const;
166 llvm::GlobalVariable *createGlobalStringConst(const std::string &baseName, const std::string &value,
167 const CodeLoc &codeLoc) const;
168 [[nodiscard]] std::string getUnusedGlobalName(const std::string &baseName) const;
169 static void materializeConstant(LLVMExprResult &exprResult);
170 const std::vector<const Function *> &getOpFctPointers(const ASTNode *node) const;
171 llvm::Value *buildFatFctPtr(Scope *bodyScope, llvm::Type *capturesStructType, llvm::Value *lambda);
172 llvm::Type *buildCapturesContainerType(const CaptureMap &captures) const;
173 void unpackCapturesToLocalVariables(const CaptureMap &captures, llvm::Value *val, llvm::Type *structType);
174 void setParamAttrs(llvm::Function *function, const ParamInfoList &paramInfo) const;
175 void setFunctionReturnValAttrs(llvm::Function *function, const QualType &returnType) const;
176 void setCallArgAttrs(llvm::CallInst *callInst, const Function *spiceFunc, const QualTypeList &paramSTypes) const;
177 void setCallReturnValAttrs(llvm::CallInst *callInst, const QualType &returnType) const;
178 llvm::Attribute::AttrKind getExtAttrKindForType(const QualType &type) const;
179 bool isSymbolDSOLocal(bool isPublic) const;
180 llvm::GlobalValue::LinkageTypes getSymbolLinkageType(bool isPublic) const;
181 void attachComdatToSymbol(llvm::GlobalVariable *global, const std::string &comdatName, bool isPublic) const;
182
183 // Generate implicit
184 llvm::Value *doImplicitCast(llvm::Value *src, QualType dstSTy, QualType srcSTy);
185 void generateScopeCleanup(const StmtLstNode *node) const;
186 void generateFctDecl(const Function *fct, const std::vector<llvm::Value *> &args) const;
187 llvm::CallInst *generateFctCall(const Function *fct, const std::vector<llvm::Value *> &args) const;
188 llvm::Value *generateFctDeclAndCall(const Function *fct, const std::vector<llvm::Value *> &args) const;
189 void generateProcDeclAndCall(const Function *proc, const std::vector<llvm::Value *> &args) const;
190 void generateCtorOrDtorCall(const SymbolTableEntry *entry, const Function *ctorOrDtor,
191 const std::vector<llvm::Value *> &args) const;
192 void generateCtorOrDtorCall(llvm::Value *structAddr, const Function *ctorOrDtor, const std::vector<llvm::Value *> &args) const;
193 void generateDeallocCall(llvm::Value *variableAddress) const;
194 llvm::Function *generateImplicitFunction(const std::function<void(void)> &generateBody, const Function *spiceFunc);
195 llvm::Function *generateImplicitProcedure(const std::function<void(void)> &generateBody, const Function *spiceProc);
196 void generateCtorBodyPreamble(Scope *bodyScope);
197 void generateDefaultCtor(const Function *ctorFunction);
198 void generateCopyCtorBodyPreamble(const Function *copyCtorFunction);
199 void generateDefaultCopyCtor(const Function *copyCtorFunction);
200 void generateMoveCtorBodyPreamble(const Function *moveCtorFunction);
201 void generateDefaultMoveCtor(const Function *moveCtorFunction);
202 void generateDtorBodyPreamble(const Function *dtorFunction) const;
203 void generateDefaultDtor(const Function *dtorFunction);
204 void generateTestMain();
205
206 // Generate target dependent
207 std::string getSysCallAsmString(uint8_t numRegs) const;
208 std::string getSysCallConstraintString(uint8_t numRegs) const;
209
210 // Generate VTable
211 llvm::Constant *generateTypeInfoName(StructBase *spiceStruct) const;
212 llvm::Constant *generateTypeInfo(StructBase *spiceStruct) const;
213 llvm::Constant *generateVTable(StructBase *spiceStruct) const;
214 void generateVTableInitializer(const StructBase *spiceStruct) const;
215
216 // Generate code instrumentation
217 void enableFunctionInstrumentation(llvm::Function *function) const;
218
219 // Private members
220 llvm::LLVMContext &context;
221 llvm::IRBuilder<> &builder;
222 llvm::Module *module;
223 OpRuleConversionManager conversionManager;
224 const StdFunctionManager stdFunctionManager;
225 DebugInfoGenerator diGenerator = DebugInfoGenerator(this);
226 MetadataGenerator mdGenerator = MetadataGenerator(this);
227 struct CommonLLVMTypes {
228 llvm::StructType *fatPtrType = nullptr;
229 } llvmTypes;
230 std::vector<llvm::BasicBlock *> breakBlocks;
231 std::vector<llvm::BasicBlock *> continueBlocks;
232 std::stack<llvm::BasicBlock *> fallthroughBlocks;
233 llvm::BasicBlock *allocaInsertBlock = nullptr;
234 llvm::AllocaInst *allocaInsertInst = nullptr;
235 bool blockAlreadyTerminated = false;
236 bool isInCtorBody = false;
237 std::vector<DeferredLogic> deferredVTableInitializations;
238 };
239
240 } // namespace spice::compiler
241