clang
6.0.0
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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/CallSite.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::Constant * | getFreeExceptionFn (CodeGenModule &CGM) |
static llvm::Constant * | getUnexpectedFn (CodeGenModule &CGM) |
static llvm::Constant * | getCatchallRethrowFn (CodeGenModule &CGM, StringRef Name) |
static const EHPersonality & | getCPersonality (const llvm::Triple &T, const LangOptions &L) |
static const EHPersonality & | getObjCPersonality (const llvm::Triple &T, const LangOptions &L) |
static const EHPersonality & | getCXXPersonality (const llvm::Triple &T, const LangOptions &L) |
static const EHPersonality & | getObjCXXPersonality (const llvm::Triple &T, 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::Constant * | 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 | 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 931 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(), 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::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 889 of file CGException.cpp.
References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CurrentFuncletPad, clang::CodeGen::CodeGenFunction::EmitBlockAfterUses(), clang::CodeGen::EHScope::getCachedEHDispatchBlock(), clang::CodeGen::CodeGenFunction::getEHDispatchBlock(), clang::CodeGen::EHScope::getEnclosingEHScope(), clang::CodeGen::CodeGenFunction::getLLVMContext(), and clang::CodeGen::EHCatchScope::getNumHandlers().
Referenced by emitCatchDispatchBlock().
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Emit the dispatch block for a filter scope if necessary.
Definition at line 475 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().
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Definition at line 77 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 345 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::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 148 of file CGException.cpp.
References clang::CodeGen::EHPersonality::GNU_CPlusPlus, clang::CodeGen::EHPersonality::GNU_CPlusPlus_SEH, and clang::CodeGen::EHPersonality::GNU_CPlusPlus_SJLJ.
Referenced by clang::CodeGen::EHPersonality::get(), and getObjCXXPersonality().
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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.
Referenced by getCatchAllValue().
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Definition at line 124 of file CGException.cpp.
References clang::ObjCRuntime::FragileMacOSX, clang::ObjCRuntime::GCC, getCPersonality(), clang::ObjCRuntime::getKind(), 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 159 of file CGException.cpp.
References clang::ObjCRuntime::FragileMacOSX, clang::ObjCRuntime::GCC, getCXXPersonality(), clang::ObjCRuntime::getKind(), getObjCPersonality(), 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 239 of file CGException.cpp.
References getPersonalityFn(), and clang::CodeGen::CodeGenTypeCache::Int8PtrTy.
Referenced by clang::CodeGen::CodeGenFunction::getInvokeDestImpl().
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Definition at line 232 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int32Ty, and clang::CodeGen::EHPersonality::PersonalityFn.
Referenced by getOpaquePersonalityFn().
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Definition at line 187 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 42 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 680 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 246 of file CGException.cpp.
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Check whether a personality function could reasonably be swapped for a C++ personality function.
Definition at line 277 of file CGException.cpp.