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Add support to create debug info for functions and methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121281 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -37,6 +37,7 @@ namespace llvm {
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class DIVariable;
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class DISubrange;
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class DILexicalBlock;
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class DISubprogram;
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class DIBuilder {
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private:
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@ -315,6 +316,57 @@ namespace llvm {
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DIType Ty, Value *const *Addr,
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unsigned NumAddr);
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/// CreateFunction - Create a new descriptor for the specified subprogram.
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/// See comments in DISubprogram for descriptions of these fields.
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/// @param Scope Function scope.
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/// @param Name Function name.
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/// @param LinkageName Mangled function name.
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/// @param File File where this variable is defined.
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/// @param LineNo Line number.
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/// @param Ty Function type.
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/// @param isLocalToUnit True if this function is not externally visible..
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/// @param isDefinition True if this is a function definition.
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/// @param Flags e.g. is this function prototyped or not.
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/// This flags are used to emit dwarf attributes.
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/// @param isOptimized True if optimization is ON.
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/// @param Fn llvm::Function pointer.
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DISubprogram CreateFunction(DIDescriptor Scope, StringRef Name,
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StringRef LinkageName,
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DIFile File, unsigned LineNo,
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DIType Ty, bool isLocalToUnit,
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bool isDefinition,
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unsigned Flags = 0,
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bool isOptimized = false,
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Function *Fn = 0);
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/// CreateMethod - Create a new descriptor for the specified C++ method.
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/// See comments in DISubprogram for descriptions of these fields.
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/// @param Scope Function scope.
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/// @param Name Function name.
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/// @param LinkageName Mangled function name.
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/// @param File File where this variable is defined.
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/// @param LineNo Line number.
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/// @param Ty Function type.
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/// @param isLocalToUnit True if this function is not externally visible..
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/// @param isDefinition True if this is a function definition.
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/// @param Virtuality Attributes describing virutallness. e.g. pure
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/// virtual function.
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/// @param VTableIndex Index no of this method in virtual table.
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/// @param VTableHolder Type that holds vtable.
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/// @param Flags e.g. is this function prototyped or not.
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/// This flags are used to emit dwarf attributes.
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/// @param isOptimized True if optimization is ON.
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/// @param Fn llvm::Function pointer.
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DISubprogram CreateMethod(DIDescriptor Scope, StringRef Name,
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StringRef LinkageName,
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DIFile File, unsigned LineNo,
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DIType Ty, bool isLocalToUnit,
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bool isDefinition,
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unsigned Virtuality = 0, unsigned VTableIndex = 0,
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MDNode *VTableHolder = 0,
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unsigned Flags = 0,
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bool isOptimized = false,
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Function *Fn = 0);
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/// CreateNameSpace - This creates new descriptor for a namespace
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/// with the specified parent scope.
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@ -592,6 +592,83 @@ DIVariable DIBuilder::CreateComplexVariable(unsigned Tag, DIDescriptor Scope,
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return DIVariable(MDNode::get(VMContext, Elts.data(), Elts.size()));
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}
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/// CreateFunction - Create a new descriptor for the specified function.
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DISubprogram DIBuilder::CreateFunction(DIDescriptor Context,
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StringRef Name,
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StringRef LinkageName,
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DIFile File, unsigned LineNo,
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DIType Ty,
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bool isLocalToUnit, bool isDefinition,
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unsigned Flags, bool isOptimized,
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Function *Fn) {
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Value *Elts[] = {
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GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
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llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
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Context,
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MDString::get(VMContext, Name),
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MDString::get(VMContext, Name),
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MDString::get(VMContext, LinkageName),
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File,
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ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
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Ty,
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ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
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ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
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ConstantInt::get(Type::getInt32Ty(VMContext), 0),
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ConstantInt::get(Type::getInt32Ty(VMContext), 0),
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llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
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ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
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ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
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Fn
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};
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MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
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// Create a named metadata so that we do not lose this mdnode.
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NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp");
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NMD->addOperand(Node);
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return DISubprogram(Node);
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}
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/// CreateMethod - Create a new descriptor for the specified C++ method.
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DISubprogram DIBuilder::CreateMethod(DIDescriptor Context,
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StringRef Name,
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StringRef LinkageName,
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DIFile F,
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unsigned LineNo, DIType Ty,
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bool isLocalToUnit,
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bool isDefinition,
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unsigned VK, unsigned VIndex,
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MDNode *VTableHolder,
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unsigned Flags,
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bool isOptimized,
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Function *Fn) {
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Value *Elts[] = {
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GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
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llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
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Context,
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MDString::get(VMContext, Name),
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MDString::get(VMContext, Name),
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MDString::get(VMContext, LinkageName),
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F,
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ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
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Ty,
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ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
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ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
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ConstantInt::get(Type::getInt32Ty(VMContext), (unsigned)VK),
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ConstantInt::get(Type::getInt32Ty(VMContext), VIndex),
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VTableHolder,
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ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
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ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
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Fn
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};
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MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
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// Create a named metadata so that we do not lose this mdnode.
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NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp");
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NMD->addOperand(Node);
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return DISubprogram(Node);
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}
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/// CreateNameSpace - This creates new descriptor for a namespace
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/// with the specified parent scope.
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DINameSpace DIBuilder::CreateNameSpace(DIDescriptor Scope, StringRef Name,
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