#include "CGCXXABI.h"#include "CGCleanup.h"#include "CGDebugInfo.h"#include "CGObjCRuntime.h"#include "CodeGenFunction.h"#include "ConstantEmitter.h"#include "TargetInfo.h"#include "clang/AST/Mangle.h"#include "clang/AST/StmtCXX.h"#include "clang/AST/StmtObjC.h"#include "clang/AST/StmtVisitor.h"#include "clang/Basic/DiagnosticSema.h"#include "llvm/IR/IntrinsicInst.h"#include "llvm/IR/Intrinsics.h"#include "llvm/IR/IntrinsicsWebAssembly.h"#include "llvm/Support/SaveAndRestore.h"Go to the source code of this file.
Functions | |
| static llvm::FunctionCallee | getFreeExceptionFn (CodeGenModule &CGM) |
| static llvm::FunctionCallee | getUnexpectedFn (CodeGenModule &CGM) |
| static llvm::FunctionCallee | getCatchallRethrowFn (CodeGenModule &CGM, StringRef Name) |
| static const EHPersonality & | getCPersonality (const TargetInfo &Target, const CodeGenOptions &CGOpts) |
| static const EHPersonality & | getObjCPersonality (const TargetInfo &Target, const CodeGenOptions &CGOpts, const LangOptions &L) |
| static const EHPersonality & | getCXXPersonality (const TargetInfo &Target, const CodeGenOptions &CGOpts) |
| static const EHPersonality & | getObjCXXPersonality (const TargetInfo &Target, const CodeGenOptions &CGOpts, const LangOptions &L) |
| Determines the personality function to use when both C++ and Objective-C exceptions are being caught. | |
| static const EHPersonality & | getSEHPersonalityMSVC (const llvm::Triple &T) |
| static llvm::FunctionCallee | getPersonalityFn (CodeGenModule &CGM, const EHPersonality &Personality) |
| static llvm::Constant * | getOpaquePersonalityFn (CodeGenModule &CGM, const EHPersonality &Personality) |
| static bool | LandingPadHasOnlyCXXUses (llvm::LandingPadInst *LPI) |
| Check whether a landingpad instruction only uses C++ features. | |
| static bool | PersonalityHasOnlyCXXUses (llvm::Constant *Fn) |
| Check whether a personality function could reasonably be swapped for a C++ personality function. | |
| static llvm::Constant * | getCatchAllValue (CodeGenFunction &CGF) |
| Returns the value to inject into a selector to indicate the presence of a catch-all. | |
| static void | emitFilterDispatchBlock (CodeGenFunction &CGF, EHFilterScope &filterScope) |
| Emit the dispatch block for a filter scope if necessary. | |
| static bool | isNonEHScope (const EHScope &S) |
| Check whether this is a non-EH scope, i.e. | |
| static void | emitCatchPadBlock (CodeGenFunction &CGF, EHCatchScope &CatchScope) |
| static void | emitWasmCatchPadBlock (CodeGenFunction &CGF, EHCatchScope &CatchScope) |
| static void | emitCatchDispatchBlock (CodeGenFunction &CGF, EHCatchScope &catchScope) |
| Emit the structure of the dispatch block for the given catch scope. | |
Function Documentation
◆ emitCatchDispatchBlock()
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static |
Emit the structure of the dispatch block for the given catch scope.
It is an invariant that the dispatch block already exists.
Definition at line 1123 of file CGException.cpp.
References clang::CodeGen::EHCatchScope::Handler::Block, clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::CodeGenFunction::EmitBlockAfterUses(), emitCatchPadBlock(), emitWasmCatchPadBlock(), clang::CodeGen::CatchTypeInfo::Flags, clang::CodeGen::EHPersonality::get(), clang::CodeGen::EHScope::getCachedEHDispatchBlock(), clang::CodeGen::CodeGenFunction::getEHDispatchBlock(), clang::CodeGen::EHScope::getEnclosingEHScope(), clang::CodeGen::EHCatchScope::getHandler(), clang::CodeGen::CodeGenModule::getIntrinsic(), clang::CodeGen::EHCatchScope::getNumHandlers(), clang::CodeGen::CodeGenFunction::getSelectorFromSlot(), clang::CodeGen::EHCatchScope::Handler::isCatchAll(), clang::CodeGen::CodeGenFunction::performAddrSpaceCast(), clang::CodeGen::CatchTypeInfo::RTTI, clang::CodeGen::EHCatchScope::Handler::Type, and clang::CodeGen::CodeGenTypeCache::VoidPtrTy.
Referenced by clang::CodeGen::CodeGenFunction::ExitCXXTryStmt(), clang::CodeGen::CodeGenFunction::ExitSEHTryStmt(), and clang::CodeGen::CodeGenFunction::popCatchScope().
◆ emitCatchPadBlock()
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static |
Definition at line 971 of file CGException.cpp.
References clang::CodeGen::EHCatchScope::Handler::Block, clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CurrentFuncletPad, clang::CodeGen::CodeGenFunction::EmitBlockAfterUses(), clang::CodeGen::EHPersonality::get(), clang::CodeGen::EHScope::getCachedEHDispatchBlock(), clang::CodeGen::CodeGenFunction::getEHDispatchBlock(), clang::CodeGen::EHScope::getEnclosingEHScope(), clang::CodeGen::EHCatchScope::getHandler(), clang::CodeGen::CodeGenFunction::getLLVMContext(), clang::CodeGen::EHCatchScope::getNumHandlers(), clang::CodeGen::EHCatchScope::Handler::Type, and clang::CodeGen::CodeGenTypeCache::VoidPtrTy.
Referenced by emitCatchDispatchBlock().
◆ emitFilterDispatchBlock()
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static |
Emit the dispatch block for a filter scope if necessary.
Definition at line 548 of file CGException.cpp.
References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::CodeGenFunction::EmitBlockAfterUses(), clang::CodeGen::CodeGenFunction::EmitRuntimeCall(), clang::CodeGen::EHScope::getCachedEHDispatchBlock(), clang::CodeGen::CodeGenFunction::getEHResumeBlock(), clang::CodeGen::CodeGenFunction::getExceptionFromSlot(), clang::CodeGen::EHFilterScope::getNumFilters(), clang::CodeGen::CodeGenFunction::getSelectorFromSlot(), and getUnexpectedFn().
Referenced by clang::CodeGen::CodeGenFunction::EmitEndEHSpec().
◆ emitWasmCatchPadBlock()
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static |
Definition at line 1014 of file CGException.cpp.
References clang::CodeGen::EHCatchScope::Handler::Block, clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CGBuilderTy::CreateStore(), clang::CodeGen::CodeGenFunction::CurrentFuncletPad, clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::CodeGenFunction::EmitBlockAfterUses(), clang::CodeGen::EHScope::getCachedEHDispatchBlock(), clang::CodeGen::CodeGenFunction::getEHDispatchBlock(), clang::CodeGen::EHScope::getEnclosingEHScope(), clang::CodeGen::CodeGenFunction::getExceptionSlot(), clang::CodeGen::EHCatchScope::getHandler(), clang::CodeGen::CodeGenModule::getIntrinsic(), clang::CodeGen::CodeGenFunction::getLLVMContext(), clang::CodeGen::EHCatchScope::getNumHandlers(), clang::CodeGen::EHCatchScope::Handler::isCatchAll(), clang::CodeGen::EHCatchScope::Handler::Type, and clang::CodeGen::CodeGenTypeCache::VoidPtrTy.
Referenced by emitCatchDispatchBlock().
◆ getCatchallRethrowFn()
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Definition at line 77 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, and clang::CodeGen::CodeGenTypeCache::VoidTy.
Referenced by clang::CodeGen::CodeGenFunction::getEHResumeBlock().
◆ getCatchAllValue()
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static |
Returns the value to inject into a selector to indicate the presence of a catch-all.
Definition at line 379 of file CGException.cpp.
References clang::CodeGen::CodeGenTypeCache::Int8PtrTy.
Referenced by clang::CodeGen::CodeGenFunction::EmitLandingPad(), and clang::CodeGen::CodeGenFunction::getTerminateLandingPad().
◆ getCPersonality()
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static |
Definition at line 121 of file CGException.cpp.
References clang::CodeGen::EHPersonality::GNU_C, clang::CodeGen::EHPersonality::GNU_C_SEH, clang::CodeGen::EHPersonality::GNU_C_SJLJ, clang::CodeGenOptions::hasDWARFExceptions(), clang::CodeGenOptions::hasSEHExceptions(), clang::CodeGenOptions::hasSjLjExceptions(), clang::CodeGen::EHPersonality::MSVC_CxxFrameHandler3, and clang::T.
◆ getCXXPersonality()
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static |
Definition at line 168 of file CGException.cpp.
References clang::CodeGen::EHPersonality::GNU_CPlusPlus, clang::CodeGen::EHPersonality::GNU_CPlusPlus_SEH, clang::CodeGen::EHPersonality::GNU_CPlusPlus_SJLJ, clang::CodeGen::EHPersonality::GNU_Wasm_CPlusPlus, clang::CodeGenOptions::hasDWARFExceptions(), clang::CodeGenOptions::hasSEHExceptions(), clang::CodeGenOptions::hasSjLjExceptions(), clang::CodeGenOptions::hasWasmExceptions(), clang::CodeGen::EHPersonality::MSVC_CxxFrameHandler3, clang::T, clang::CodeGen::EHPersonality::XL_CPlusPlus, and clang::CodeGen::EHPersonality::ZOS_CPlusPlus.
◆ getFreeExceptionFn()
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Definition at line 33 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, and clang::CodeGen::CodeGenTypeCache::VoidTy.
◆ getObjCPersonality()
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static |
Definition at line 135 of file CGException.cpp.
References clang::ObjCRuntime::FragileMacOSX, clang::ObjCRuntime::GCC, getCPersonality(), clang::ObjCRuntime::getKind(), clang::ObjCRuntime::getVersion(), clang::CodeGen::EHPersonality::GNU_CPlusPlus_SEH, clang::CodeGen::EHPersonality::GNU_ObjC, clang::CodeGen::EHPersonality::GNU_ObjC_SEH, clang::CodeGen::EHPersonality::GNU_ObjC_SJLJ, clang::CodeGen::EHPersonality::GNU_Wasm_CPlusPlus, clang::ObjCRuntime::GNUstep, clang::CodeGen::EHPersonality::GNUstep_ObjC, clang::CodeGenOptions::hasSEHExceptions(), clang::CodeGenOptions::hasSjLjExceptions(), clang::ObjCRuntime::iOS, clang::ObjCRuntime::MacOSX, clang::CodeGen::EHPersonality::MSVC_CxxFrameHandler3, clang::CodeGen::EHPersonality::NeXT_ObjC, clang::LangOptions::ObjCRuntime, clang::ObjCRuntime::ObjFW, clang::T, and clang::ObjCRuntime::WatchOS.
◆ getObjCXXPersonality()
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static |
Determines the personality function to use when both C++ and Objective-C exceptions are being caught.
Definition at line 190 of file CGException.cpp.
References clang::ObjCRuntime::FragileMacOSX, clang::ObjCRuntime::GCC, getCXXPersonality(), clang::ObjCRuntime::getKind(), getObjCPersonality(), clang::CodeGen::EHPersonality::GNU_CPlusPlus_SEH, clang::CodeGen::EHPersonality::GNU_ObjCXX, clang::CodeGen::EHPersonality::GNU_Wasm_CPlusPlus, clang::ObjCRuntime::GNUstep, clang::ObjCRuntime::iOS, clang::ObjCRuntime::MacOSX, clang::CodeGen::EHPersonality::MSVC_CxxFrameHandler3, clang::LangOptions::ObjCRuntime, clang::ObjCRuntime::ObjFW, and clang::ObjCRuntime::WatchOS.
◆ getOpaquePersonalityFn()
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static |
Definition at line 273 of file CGException.cpp.
References clang::cast(), and getPersonalityFn().
Referenced by clang::CodeGen::CodeGenFunction::getInvokeDestImpl(), and clang::CodeGen::CodeGenFunction::getTerminateLandingPad().
◆ getPersonalityFn()
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static |
Definition at line 260 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int32Ty, clang::CodeGen::EHPersonality::isWasmPersonality(), and clang::CodeGen::EHPersonality::PersonalityFn.
◆ getSEHPersonalityMSVC()
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static |
Definition at line 227 of file CGException.cpp.
References clang::CodeGen::EHPersonality::MSVC_C_specific_handler, clang::CodeGen::EHPersonality::MSVC_except_handler, and clang::T.
◆ getUnexpectedFn()
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static |
Definition at line 42 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, and clang::CodeGen::CodeGenTypeCache::VoidTy.
Referenced by emitFilterDispatchBlock().
◆ isNonEHScope()
Check whether this is a non-EH scope, i.e.
a scope which doesn't affect exception handling. Currently, the only non-EH scopes are normal-only cleanup scopes.
Definition at line 767 of file CGException.cpp.
References clang::cast(), clang::CodeGen::EHScope::Catch, clang::CodeGen::EHScope::Cleanup, clang::CodeGen::EHScope::Filter, clang::CodeGen::EHScope::getKind(), and clang::CodeGen::EHScope::Terminate.
Referenced by clang::CodeGen::CodeGenFunction::getInvokeDestImpl().
◆ LandingPadHasOnlyCXXUses()
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static |
Check whether a landingpad instruction only uses C++ features.
Definition at line 280 of file CGException.cpp.
References clang::cast().
Referenced by PersonalityHasOnlyCXXUses().
◆ PersonalityHasOnlyCXXUses()
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static |
Check whether a personality function could reasonably be swapped for a C++ personality function.
Definition at line 311 of file CGException.cpp.
References LandingPadHasOnlyCXXUses(), and PersonalityHasOnlyCXXUses().
Referenced by PersonalityHasOnlyCXXUses().
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