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Style fix: don't indent inside a namemespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222729 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
parent
fbc90b1bb1
commit
8665715bdd
@ -364,147 +364,148 @@ Type *TypeMapTy::getImpl(Type *Ty) {
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//===----------------------------------------------------------------------===//
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namespace {
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class ModuleLinker;
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class ModuleLinker;
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/// Creates prototypes for functions that are lazily linked on the fly. This
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/// speeds up linking for modules with many/ lazily linked functions of which
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/// few get used.
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class ValueMaterializerTy : public ValueMaterializer {
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TypeMapTy &TypeMap;
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Module *DstM;
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std::vector<Function*> &LazilyLinkFunctions;
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public:
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ValueMaterializerTy(TypeMapTy &TypeMap, Module *DstM,
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std::vector<Function*> &LazilyLinkFunctions) :
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ValueMaterializer(), TypeMap(TypeMap), DstM(DstM),
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LazilyLinkFunctions(LazilyLinkFunctions) {
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}
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/// Creates prototypes for functions that are lazily linked on the fly. This
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/// speeds up linking for modules with many/ lazily linked functions of which
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/// few get used.
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class ValueMaterializerTy : public ValueMaterializer {
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TypeMapTy &TypeMap;
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Module *DstM;
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std::vector<Function *> &LazilyLinkFunctions;
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Value *materializeValueFor(Value *V) override;
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public:
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ValueMaterializerTy(TypeMapTy &TypeMap, Module *DstM,
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std::vector<Function *> &LazilyLinkFunctions)
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: ValueMaterializer(), TypeMap(TypeMap), DstM(DstM),
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LazilyLinkFunctions(LazilyLinkFunctions) {}
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Value *materializeValueFor(Value *V) override;
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};
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class LinkDiagnosticInfo : public DiagnosticInfo {
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const Twine &Msg;
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public:
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LinkDiagnosticInfo(DiagnosticSeverity Severity, const Twine &Msg);
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void print(DiagnosticPrinter &DP) const override;
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};
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LinkDiagnosticInfo::LinkDiagnosticInfo(DiagnosticSeverity Severity,
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const Twine &Msg)
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: DiagnosticInfo(DK_Linker, Severity), Msg(Msg) {}
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void LinkDiagnosticInfo::print(DiagnosticPrinter &DP) const { DP << Msg; }
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/// This is an implementation class for the LinkModules function, which is the
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/// entrypoint for this file.
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class ModuleLinker {
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Module *DstM, *SrcM;
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TypeMapTy TypeMap;
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ValueMaterializerTy ValMaterializer;
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/// Mapping of values from what they used to be in Src, to what they are now
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/// in DstM. ValueToValueMapTy is a ValueMap, which involves some overhead
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/// due to the use of Value handles which the Linker doesn't actually need,
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/// but this allows us to reuse the ValueMapper code.
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ValueToValueMapTy ValueMap;
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struct AppendingVarInfo {
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GlobalVariable *NewGV; // New aggregate global in dest module.
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const Constant *DstInit; // Old initializer from dest module.
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const Constant *SrcInit; // Old initializer from src module.
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};
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class LinkDiagnosticInfo : public DiagnosticInfo {
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const Twine &Msg;
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std::vector<AppendingVarInfo> AppendingVars;
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public:
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LinkDiagnosticInfo(DiagnosticSeverity Severity, const Twine &Msg);
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void print(DiagnosticPrinter &DP) const override;
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};
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LinkDiagnosticInfo::LinkDiagnosticInfo(DiagnosticSeverity Severity,
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const Twine &Msg)
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: DiagnosticInfo(DK_Linker, Severity), Msg(Msg) {}
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void LinkDiagnosticInfo::print(DiagnosticPrinter &DP) const { DP << Msg; }
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// Set of items not to link in from source.
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SmallPtrSet<const Value *, 16> DoNotLinkFromSource;
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/// This is an implementation class for the LinkModules function, which is the
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/// entrypoint for this file.
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class ModuleLinker {
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Module *DstM, *SrcM;
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// Vector of functions to lazily link in.
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std::vector<Function *> LazilyLinkFunctions;
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TypeMapTy TypeMap;
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ValueMaterializerTy ValMaterializer;
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Linker::DiagnosticHandlerFunction DiagnosticHandler;
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/// Mapping of values from what they used to be in Src, to what they are now
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/// in DstM. ValueToValueMapTy is a ValueMap, which involves some overhead
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/// due to the use of Value handles which the Linker doesn't actually need,
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/// but this allows us to reuse the ValueMapper code.
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ValueToValueMapTy ValueMap;
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public:
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ModuleLinker(Module *dstM, TypeSet &Set, Module *srcM,
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Linker::DiagnosticHandlerFunction DiagnosticHandler)
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: DstM(dstM), SrcM(srcM), TypeMap(Set),
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ValMaterializer(TypeMap, DstM, LazilyLinkFunctions),
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DiagnosticHandler(DiagnosticHandler) {}
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struct AppendingVarInfo {
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GlobalVariable *NewGV; // New aggregate global in dest module.
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const Constant *DstInit; // Old initializer from dest module.
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const Constant *SrcInit; // Old initializer from src module.
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};
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bool run();
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std::vector<AppendingVarInfo> AppendingVars;
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private:
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bool shouldLinkFromSource(bool &LinkFromSrc, const GlobalValue &Dest,
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const GlobalValue &Src);
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// Set of items not to link in from source.
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SmallPtrSet<const Value*, 16> DoNotLinkFromSource;
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/// Helper method for setting a message and returning an error code.
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bool emitError(const Twine &Message) {
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DiagnosticHandler(LinkDiagnosticInfo(DS_Error, Message));
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return true;
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}
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// Vector of functions to lazily link in.
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std::vector<Function*> LazilyLinkFunctions;
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void emitWarning(const Twine &Message) {
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DiagnosticHandler(LinkDiagnosticInfo(DS_Warning, Message));
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}
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Linker::DiagnosticHandlerFunction DiagnosticHandler;
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bool getComdatLeader(Module *M, StringRef ComdatName,
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const GlobalVariable *&GVar);
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bool computeResultingSelectionKind(StringRef ComdatName,
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Comdat::SelectionKind Src,
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Comdat::SelectionKind Dst,
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Comdat::SelectionKind &Result,
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bool &LinkFromSrc);
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std::map<const Comdat *, std::pair<Comdat::SelectionKind, bool>>
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ComdatsChosen;
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bool getComdatResult(const Comdat *SrcC, Comdat::SelectionKind &SK,
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bool &LinkFromSrc);
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public:
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ModuleLinker(Module *dstM, TypeSet &Set, Module *srcM,
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Linker::DiagnosticHandlerFunction DiagnosticHandler)
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: DstM(dstM), SrcM(srcM), TypeMap(Set),
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ValMaterializer(TypeMap, DstM, LazilyLinkFunctions),
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DiagnosticHandler(DiagnosticHandler) {}
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/// Given a global in the source module, return the global in the
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/// destination module that is being linked to, if any.
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GlobalValue *getLinkedToGlobal(const GlobalValue *SrcGV) {
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// If the source has no name it can't link. If it has local linkage,
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// there is no name match-up going on.
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if (!SrcGV->hasName() || SrcGV->hasLocalLinkage())
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return nullptr;
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bool run();
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// Otherwise see if we have a match in the destination module's symtab.
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GlobalValue *DGV = DstM->getNamedValue(SrcGV->getName());
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if (!DGV)
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return nullptr;
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private:
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bool shouldLinkFromSource(bool &LinkFromSrc, const GlobalValue &Dest,
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const GlobalValue &Src);
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// If we found a global with the same name in the dest module, but it has
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// internal linkage, we are really not doing any linkage here.
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if (DGV->hasLocalLinkage())
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return nullptr;
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/// Helper method for setting a message and returning an error code.
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bool emitError(const Twine &Message) {
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DiagnosticHandler(LinkDiagnosticInfo(DS_Error, Message));
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return true;
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}
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// Otherwise, we do in fact link to the destination global.
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return DGV;
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}
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void emitWarning(const Twine &Message) {
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DiagnosticHandler(LinkDiagnosticInfo(DS_Warning, Message));
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}
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void computeTypeMapping();
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bool getComdatLeader(Module *M, StringRef ComdatName,
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const GlobalVariable *&GVar);
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bool computeResultingSelectionKind(StringRef ComdatName,
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Comdat::SelectionKind Src,
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Comdat::SelectionKind Dst,
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Comdat::SelectionKind &Result,
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bool &LinkFromSrc);
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std::map<const Comdat *, std::pair<Comdat::SelectionKind, bool>>
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ComdatsChosen;
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bool getComdatResult(const Comdat *SrcC, Comdat::SelectionKind &SK,
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bool &LinkFromSrc);
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void upgradeMismatchedGlobalArray(StringRef Name);
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void upgradeMismatchedGlobals();
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/// Given a global in the source module, return the global in the
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/// destination module that is being linked to, if any.
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GlobalValue *getLinkedToGlobal(const GlobalValue *SrcGV) {
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// If the source has no name it can't link. If it has local linkage,
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// there is no name match-up going on.
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if (!SrcGV->hasName() || SrcGV->hasLocalLinkage())
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return nullptr;
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bool linkAppendingVarProto(GlobalVariable *DstGV,
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const GlobalVariable *SrcGV);
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// Otherwise see if we have a match in the destination module's symtab.
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GlobalValue *DGV = DstM->getNamedValue(SrcGV->getName());
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if (!DGV) return nullptr;
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bool linkGlobalValueProto(GlobalValue *GV);
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GlobalValue *linkGlobalVariableProto(const GlobalVariable *SGVar,
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GlobalValue *DGV, bool LinkFromSrc);
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GlobalValue *linkFunctionProto(const Function *SF, GlobalValue *DGV,
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bool LinkFromSrc);
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GlobalValue *linkGlobalAliasProto(const GlobalAlias *SGA, GlobalValue *DGV,
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bool LinkFromSrc);
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// If we found a global with the same name in the dest module, but it has
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// internal linkage, we are really not doing any linkage here.
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if (DGV->hasLocalLinkage())
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return nullptr;
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bool linkModuleFlagsMetadata();
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// Otherwise, we do in fact link to the destination global.
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return DGV;
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}
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void computeTypeMapping();
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void upgradeMismatchedGlobalArray(StringRef Name);
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void upgradeMismatchedGlobals();
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bool linkAppendingVarProto(GlobalVariable *DstGV,
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const GlobalVariable *SrcGV);
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bool linkGlobalValueProto(GlobalValue *GV);
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GlobalValue *linkGlobalVariableProto(const GlobalVariable *SGVar,
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GlobalValue *DGV, bool LinkFromSrc);
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GlobalValue *linkFunctionProto(const Function *SF, GlobalValue *DGV,
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bool LinkFromSrc);
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GlobalValue *linkGlobalAliasProto(const GlobalAlias *SGA, GlobalValue *DGV,
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bool LinkFromSrc);
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bool linkModuleFlagsMetadata();
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void linkAppendingVarInit(const AppendingVarInfo &AVI);
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void linkGlobalInits();
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void linkFunctionBody(Function *Dst, Function *Src);
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void linkAliasBodies();
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void linkNamedMDNodes();
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};
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void linkAppendingVarInit(const AppendingVarInfo &AVI);
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void linkGlobalInits();
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void linkFunctionBody(Function *Dst, Function *Src);
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void linkAliasBodies();
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void linkNamedMDNodes();
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};
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}
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/// The LLVM SymbolTable class autorenames globals that conflict in the symbol
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