clang
9.0.0
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#include "CodeGenFunction.h"
#include "CGCXXABI.h"
#include "CGCleanup.h"
#include "CGObjCRuntime.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/TargetBuiltins.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/Support/SaveAndRestore.h"
Go to the source code of this file.
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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 LangOptions &L) |
static const EHPersonality & | getObjCPersonality (const TargetInfo &Target, const LangOptions &L) |
static const EHPersonality & | getCXXPersonality (const TargetInfo &Target, const LangOptions &L) |
static const EHPersonality & | getObjCXXPersonality (const TargetInfo &Target, const LangOptions &L) |
Determines the personality function to use when both C++ and Objective-C exceptions are being caught. More... | |
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. More... | |
static bool | PersonalityHasOnlyCXXUses (llvm::Constant *Fn) |
Check whether a personality function could reasonably be swapped for a C++ personality function. More... | |
static llvm::Constant * | getCatchAllValue (CodeGenFunction &CGF) |
Returns the value to inject into a selector to indicate the presence of a catch-all. More... | |
static void | emitFilterDispatchBlock (CodeGenFunction &CGF, EHFilterScope &filterScope) |
Emit the dispatch block for a filter scope if necessary. More... | |
static bool | isNonEHScope (const EHScope &S) |
Check whether this is a non-EH scope, i.e. More... | |
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. More... | |
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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 1050 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::CreateBitCast(), 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(), i, clang::CodeGen::CodeGenTypeCache::Int8PtrTy, clang::CodeGen::EHCatchScope::Handler::isCatchAll(), clang::CodeGen::CatchTypeInfo::RTTI, and clang::CodeGen::EHCatchScope::Handler::Type.
Referenced by clang::CodeGen::CodeGenFunction::popCatchScope().
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Definition at line 899 of file CGException.cpp.
References clang::CodeGen::EHCatchScope::Handler::Block, clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CurrentFuncletPad, clang::CodeGen::CodeGenFunction::EmitBlockAfterUses(), 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::CodeGenFunction::getLLVMContext(), clang::CodeGen::EHCatchScope::getNumHandlers(), clang::CodeGen::CatchTypeInfo::RTTI, clang::CodeGen::EHCatchScope::Handler::Type, and clang::CodeGen::CodeGenTypeCache::VoidPtrTy.
Referenced by emitCatchDispatchBlock().
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Emit the dispatch block for a filter scope if necessary.
Definition at line 487 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(), getUnexpectedFn(), and zero.
Referenced by clang::CodeGen::CodeGenFunction::EmitEndEHSpec().
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Definition at line 942 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::CatchTypeInfo::RTTI, clang::CodeGen::EHCatchScope::Handler::Type, and clang::CodeGen::CodeGenTypeCache::VoidPtrTy.
Referenced by emitCatchDispatchBlock().
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Definition at line 75 of file CGException.cpp.
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Returns the value to inject into a selector to indicate the presence of a catch-all.
Definition at line 359 of file CGException.cpp.
References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EmitNounwindRuntimeCall(), getFreeExceptionFn(), and clang::CodeGen::CodeGenTypeCache::Int8PtrTy.
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Definition at line 115 of file CGException.cpp.
References clang::TargetInfo::getTriple(), clang::CodeGen::EHPersonality::GNU_C, clang::CodeGen::EHPersonality::GNU_C_SEH, and clang::CodeGen::EHPersonality::GNU_C_SJLJ.
Referenced by clang::CodeGen::EHPersonality::get(), and getObjCPersonality().
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Definition at line 157 of file CGException.cpp.
References clang::TargetInfo::getTriple(), clang::CodeGen::EHPersonality::GNU_CPlusPlus, clang::CodeGen::EHPersonality::GNU_CPlusPlus_SEH, clang::CodeGen::EHPersonality::GNU_CPlusPlus_SJLJ, clang::CodeGen::EHPersonality::GNU_Wasm_CPlusPlus, and clang::TargetInfo::hasFeature().
Referenced by clang::CodeGen::EHPersonality::get(), getObjCXXPersonality(), and PersonalityHasOnlyCXXUses().
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Definition at line 31 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, and clang::CodeGen::CodeGenTypeCache::VoidTy.
Referenced by getCatchAllValue().
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Definition at line 129 of file CGException.cpp.
References clang::ObjCRuntime::FragileMacOSX, clang::ObjCRuntime::GCC, getCPersonality(), clang::ObjCRuntime::getKind(), clang::TargetInfo::getTriple(), clang::ObjCRuntime::getVersion(), clang::CodeGen::EHPersonality::GNU_ObjC, clang::CodeGen::EHPersonality::GNU_ObjC_SEH, clang::CodeGen::EHPersonality::GNU_ObjC_SJLJ, clang::ObjCRuntime::GNUstep, clang::ObjCRuntime::iOS, clang::ObjCRuntime::MacOSX, clang::CodeGen::EHPersonality::NeXT_ObjC, clang::LangOptions::ObjCRuntime, clang::ObjCRuntime::ObjFW, and clang::ObjCRuntime::WatchOS.
Referenced by clang::CodeGen::EHPersonality::get(), and getObjCXXPersonality().
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Determines the personality function to use when both C++ and Objective-C exceptions are being caught.
Definition at line 178 of file CGException.cpp.
References clang::ObjCRuntime::FragileMacOSX, clang::ObjCRuntime::GCC, getCXXPersonality(), clang::ObjCRuntime::getKind(), getObjCPersonality(), clang::TargetInfo::getTriple(), clang::CodeGen::EHPersonality::GNU_ObjCXX, clang::ObjCRuntime::GNUstep, clang::ObjCRuntime::iOS, clang::ObjCRuntime::MacOSX, clang::LangOptions::ObjCRuntime, clang::ObjCRuntime::ObjFW, and clang::ObjCRuntime::WatchOS.
Referenced by clang::CodeGen::EHPersonality::get().
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Definition at line 248 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::getDataLayout(), clang::CodeGen::CodeGenModule::getLLVMContext(), getPersonalityFn(), and clang::CodeGen::CodeGenTypeCache::Int8PtrTy.
Referenced by clang::CodeGen::CodeGenFunction::getInvokeDestImpl().
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Definition at line 241 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int32Ty, and clang::CodeGen::EHPersonality::PersonalityFn.
Referenced by getOpaquePersonalityFn(), and PersonalityHasOnlyCXXUses().
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Definition at line 209 of file CGException.cpp.
References clang::CodeGen::EHPersonality::MSVC_C_specific_handler.
Referenced by clang::CodeGen::EHPersonality::get().
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Definition at line 40 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, and clang::CodeGen::CodeGenTypeCache::VoidTy.
Referenced by emitFilterDispatchBlock().
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 690 of file CGException.cpp.
Referenced by clang::CodeGen::CodeGenFunction::getInvokeDestImpl().
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Check whether a landingpad instruction only uses C++ features.
Definition at line 260 of file CGException.cpp.
Referenced by PersonalityHasOnlyCXXUses().
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Check whether a personality function could reasonably be swapped for a C++ personality function.
Definition at line 291 of file CGException.cpp.
References clang::CXX, clang::CodeGen::EHPersonality::get(), getCXXPersonality(), clang::CodeGen::CodeGenModule::getModule(), getPersonalityFn(), clang::CodeGen::CodeGenModule::getTarget(), clang::ObjCRuntime::isNeXTFamily(), LandingPadHasOnlyCXXUses(), clang::LangOptions::ObjCRuntime, and clang::CodeGen::EHPersonality::PersonalityFn.