forked from OSchip/llvm-project
refactor more objc codegen interfaces to pass around selectors so
we don't push strings into LLVM IR and then have to read them back out. llvm-svn: 52765
This commit is contained in:
Chris Lattner
parent
882034dd99
commit
bf231a61fd
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@ -24,16 +24,6 @@
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#include "llvm/ADT/StringMap.h"
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#include <map>
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using namespace clang;
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// FIXME: Remove THIS!
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#include "llvm/Analysis/ValueTracking.h"
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std::string getStringValue(llvm::Constant *C) {
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std::string R;
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bool V = GetConstantStringInfo(C, R);
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assert(V && "Couldn't convert string");
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return R;
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}
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using llvm::dyn_cast;
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// The version of the runtime that this class targets. Must match the version
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@ -73,7 +63,7 @@ private:
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarOffsets);
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llvm::Constant *GenerateMethodList(const std::string &ClassName,
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const std::string &CategoryName,
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const llvm::SmallVectorImpl<llvm::Constant *> &MethodNames,
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const llvm::SmallVectorImpl<Selector> &MethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &MethodTypes,
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bool isClassMethodList);
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llvm::Constant *GenerateProtocolList(
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@ -131,9 +121,9 @@ public:
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bool isClassMethod,
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bool isVarArg);
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virtual void GenerateCategory(const char *ClassName, const char *CategoryName,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodNames,
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const llvm::SmallVectorImpl<Selector> &InstanceMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodNames,
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const llvm::SmallVectorImpl<Selector> &ClassMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes,
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const llvm::SmallVectorImpl<std::string> &Protocols);
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virtual void GenerateClass(
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@ -143,9 +133,9 @@ public:
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarNames,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarOffsets,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodNames,
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const llvm::SmallVectorImpl<Selector> &InstanceMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodNames,
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const llvm::SmallVectorImpl<Selector> &ClassMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes,
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const llvm::SmallVectorImpl<std::string> &Protocols);
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virtual llvm::Value *GenerateProtocolRef(llvm::IRBuilder &Builder, const char
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@ -376,8 +366,8 @@ llvm::Value *CGObjCGNU::GenerateMessageSend(llvm::IRBuilder &Builder,
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/// Generates a MethodList. Used in construction of a objc_class and
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/// objc_category structures.
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llvm::Constant *CGObjCGNU::GenerateMethodList(const std::string &ClassName,
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const std::string &CategoryName,
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const llvm::SmallVectorImpl<llvm::Constant *> &MethodNames,
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const std::string &CategoryName,
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const llvm::SmallVectorImpl<Selector> &MethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &MethodTypes,
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bool isClassMethodList) {
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// Get the method structure type.
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@ -390,13 +380,13 @@ llvm::Constant *CGObjCGNU::GenerateMethodList(const std::string &ClassName,
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std::vector<llvm::Constant*> Elements;
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for (unsigned int i = 0, e = MethodTypes.size(); i < e; ++i) {
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Elements.clear();
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Elements.push_back(llvm::ConstantExpr::getGetElementPtr(MethodNames[i],
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Zeros, 2));
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llvm::Constant *C = CGM.GetAddrOfConstantString(MethodSels[i].getName());
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Elements.push_back(llvm::ConstantExpr::getGetElementPtr(C, Zeros, 2));
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Elements.push_back(
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llvm::ConstantExpr::getGetElementPtr(MethodTypes[i], Zeros, 2));
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llvm::Constant *Method =
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TheModule.getFunction(SymbolNameForMethod(ClassName, CategoryName,
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getStringValue(MethodNames[i]),
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MethodSels[i].getName(),
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isClassMethodList));
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Method = llvm::ConstantExpr::getBitCast(Method,
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llvm::PointerType::getUnqual(IMPTy));
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@ -406,7 +396,7 @@ llvm::Constant *CGObjCGNU::GenerateMethodList(const std::string &ClassName,
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// Array of method structures
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llvm::ArrayType *ObjCMethodArrayTy = llvm::ArrayType::get(ObjCMethodTy,
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MethodNames.size());
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MethodSels.size());
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llvm::Constant *MethodArray = llvm::ConstantArray::get(ObjCMethodArrayTy,
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Methods);
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@ -625,9 +615,9 @@ void CGObjCGNU::GenerateProtocol(const char *ProtocolName,
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void CGObjCGNU::GenerateCategory(
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const char *ClassName,
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const char *CategoryName,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodNames,
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const llvm::SmallVectorImpl<Selector> &InstanceMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodNames,
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const llvm::SmallVectorImpl<Selector> &ClassMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes,
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const llvm::SmallVectorImpl<std::string> &Protocols) {
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std::vector<llvm::Constant*> Elements;
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@ -635,11 +625,11 @@ void CGObjCGNU::GenerateCategory(
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Elements.push_back(MakeConstantString(ClassName));
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// Instance method list
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Elements.push_back(llvm::ConstantExpr::getBitCast(GenerateMethodList(
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ClassName, CategoryName, InstanceMethodNames, InstanceMethodTypes,
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ClassName, CategoryName, InstanceMethodSels, InstanceMethodTypes,
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false), PtrTy));
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// Class method list
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Elements.push_back(llvm::ConstantExpr::getBitCast(GenerateMethodList(
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ClassName, CategoryName, ClassMethodNames, ClassMethodTypes, true),
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ClassName, CategoryName, ClassMethodSels, ClassMethodTypes, true),
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PtrTy));
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// Protocol list
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Elements.push_back(llvm::ConstantExpr::getBitCast(
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@ -655,9 +645,9 @@ void CGObjCGNU::GenerateClass(
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarNames,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarOffsets,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodNames,
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const llvm::SmallVectorImpl<Selector> &InstanceMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodNames,
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const llvm::SmallVectorImpl<Selector> &ClassMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes,
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const llvm::SmallVectorImpl<std::string> &Protocols) {
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// Get the superclass pointer.
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@ -672,9 +662,9 @@ void CGObjCGNU::GenerateClass(
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llvm::SmallVector<llvm::Constant*, 1> empty;
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// Generate the method and instance variable lists
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llvm::Constant *MethodList = GenerateMethodList(ClassName, "",
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InstanceMethodNames, InstanceMethodTypes, false);
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InstanceMethodSels, InstanceMethodTypes, false);
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llvm::Constant *ClassMethodList = GenerateMethodList(ClassName, "",
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ClassMethodNames, ClassMethodTypes, true);
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ClassMethodSels, ClassMethodTypes, true);
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llvm::Constant *IvarList = GenerateIvarList(IvarNames, IvarTypes,
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IvarOffsets);
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//Generate metaclass for class methods
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@ -60,9 +60,9 @@ public:
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/// Generate a category. A category contains a list of methods (and
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/// accompanying metadata) and a list of protocols.
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virtual void GenerateCategory(const char *ClassName, const char *CategoryName,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodNames,
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const llvm::SmallVectorImpl<Selector> &InstanceMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodNames,
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const llvm::SmallVectorImpl<Selector> &ClassMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes,
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const llvm::SmallVectorImpl<std::string> &Protocols) =0;
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/// Generate a class stucture for this class.
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@ -73,9 +73,9 @@ public:
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarNames,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarOffsets,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodNames,
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const llvm::SmallVectorImpl<Selector> &InstanceMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodNames,
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const llvm::SmallVectorImpl<Selector> &ClassMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes,
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const llvm::SmallVectorImpl<std::string> &Protocols) =0;
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/// Generate a reference to the named protocol.
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@ -229,9 +229,11 @@ void CodeGenModule::SetFunctionAttributes(const FunctionDecl *FD,
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unsigned ParamAttrs = 0;
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if (ParamType->isRecordType())
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ParamAttrs |= llvm::ParamAttr::ByVal;
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if (ParamType->isSignedIntegerType() && ParamType->isPromotableIntegerType())
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if (ParamType->isSignedIntegerType() &&
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ParamType->isPromotableIntegerType())
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ParamAttrs |= llvm::ParamAttr::SExt;
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if (ParamType->isUnsignedIntegerType() && ParamType->isPromotableIntegerType())
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if (ParamType->isUnsignedIntegerType() &&
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ParamType->isPromotableIntegerType())
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ParamAttrs |= llvm::ParamAttr::ZExt;
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if (ParamAttrs)
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ParamAttrList.push_back(llvm::ParamAttrsWithIndex::get(i + increment,
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@ -273,7 +275,7 @@ llvm::Constant *CodeGenModule::GetAddrOfFunctionDecl(const FunctionDecl *D,
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const std::string& aliaseeName = D->getAttr<AliasAttr>()->getAliasee();
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llvm::Function *aliasee = getModule().getFunction(aliaseeName);
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llvm::GlobalValue *alias = new llvm::GlobalAlias(aliasee->getType(),
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llvm::Function::ExternalLinkage,
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llvm::Function::ExternalLinkage,
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D->getName(),
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aliasee,
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&getModule());
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@ -390,26 +392,24 @@ void CodeGenModule::EmitObjCProtocolImplementation(const ObjCProtocolDecl *PD){
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void CodeGenModule::EmitObjCCategoryImpl(const ObjCCategoryImplDecl *OCD) {
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// Collect information about instance methods
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llvm::SmallVector<llvm::Constant*, 16> InstanceMethodNames;
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llvm::SmallVector<Selector, 16> InstanceMethodSels;
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llvm::SmallVector<llvm::Constant*, 16> InstanceMethodTypes;
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for (ObjCCategoryDecl::instmeth_iterator iter = OCD->instmeth_begin(),
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endIter = OCD->instmeth_end() ; iter != endIter ; iter++) {
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InstanceMethodSels.push_back((*iter)->getSelector());
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std::string TypeStr;
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Context.getObjCEncodingForMethodDecl(*iter,TypeStr);
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InstanceMethodNames.push_back(
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GetAddrOfConstantString((*iter)->getSelector().getName()));
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InstanceMethodTypes.push_back(GetAddrOfConstantString(TypeStr));
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}
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// Collect information about class methods
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llvm::SmallVector<llvm::Constant*, 16> ClassMethodNames;
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llvm::SmallVector<Selector, 16> ClassMethodSels;
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llvm::SmallVector<llvm::Constant*, 16> ClassMethodTypes;
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for (ObjCCategoryDecl::classmeth_iterator iter = OCD->classmeth_begin(),
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endIter = OCD->classmeth_end() ; iter != endIter ; iter++) {
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ClassMethodSels.push_back((*iter)->getSelector());
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std::string TypeStr;
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Context.getObjCEncodingForMethodDecl(*iter,TypeStr);
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ClassMethodNames.push_back(
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GetAddrOfConstantString((*iter)->getSelector().getName()));
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ClassMethodTypes.push_back(GetAddrOfConstantString(TypeStr));
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}
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@ -421,8 +421,8 @@ void CodeGenModule::EmitObjCCategoryImpl(const ObjCCategoryImplDecl *OCD) {
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// Generate the category
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Runtime->GenerateCategory(OCD->getClassInterface()->getName(),
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OCD->getName(), InstanceMethodNames, InstanceMethodTypes,
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ClassMethodNames, ClassMethodTypes, Protocols);
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OCD->getName(), InstanceMethodSels, InstanceMethodTypes,
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ClassMethodSels, ClassMethodTypes, Protocols);
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}
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void CodeGenModule::EmitObjCClassImplementation(
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@ -473,26 +473,24 @@ void CodeGenModule::EmitObjCClassImplementation(
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}
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// Collect information about instance methods
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llvm::SmallVector<llvm::Constant*, 16> InstanceMethodNames;
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llvm::SmallVector<Selector, 16> InstanceMethodSels;
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llvm::SmallVector<llvm::Constant*, 16> InstanceMethodTypes;
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for (ObjCImplementationDecl::instmeth_iterator iter = OID->instmeth_begin(),
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endIter = OID->instmeth_end() ; iter != endIter ; iter++) {
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InstanceMethodSels.push_back((*iter)->getSelector());
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std::string TypeStr;
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Context.getObjCEncodingForMethodDecl((*iter),TypeStr);
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InstanceMethodNames.push_back(
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GetAddrOfConstantString((*iter)->getSelector().getName()));
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InstanceMethodTypes.push_back(GetAddrOfConstantString(TypeStr));
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}
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// Collect information about class methods
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llvm::SmallVector<llvm::Constant*, 16> ClassMethodNames;
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llvm::SmallVector<Selector, 16> ClassMethodSels;
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llvm::SmallVector<llvm::Constant*, 16> ClassMethodTypes;
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for (ObjCImplementationDecl::classmeth_iterator iter = OID->classmeth_begin(),
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endIter = OID->classmeth_end() ; iter != endIter ; iter++) {
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ClassMethodSels.push_back((*iter)->getSelector());
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std::string TypeStr;
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Context.getObjCEncodingForMethodDecl((*iter),TypeStr);
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ClassMethodNames.push_back(
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GetAddrOfConstantString((*iter)->getSelector().getName()));
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ClassMethodTypes.push_back(GetAddrOfConstantString(TypeStr));
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}
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// Collect the names of referenced protocols
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@ -502,8 +500,8 @@ void CodeGenModule::EmitObjCClassImplementation(
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// Generate the category
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Runtime->GenerateClass(ClassName, SCName, instanceSize, IvarNames, IvarTypes,
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IvarOffsets, InstanceMethodNames, InstanceMethodTypes, ClassMethodNames,
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ClassMethodTypes, Protocols);
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IvarOffsets, InstanceMethodSels, InstanceMethodTypes,
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ClassMethodSels, ClassMethodTypes, Protocols);
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}
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