clang
7.0.0
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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 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::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 | 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 1046 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(), 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 895 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 483 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 938 of file CGException.cpp.
References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::createBasicBlock(), 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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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 355 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 117 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 159 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(), 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 131 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 180 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 250 of file CGException.cpp.
References getPersonalityFn(), and clang::CodeGen::CodeGenTypeCache::Int8PtrTy.
Referenced by clang::CodeGen::CodeGenFunction::getInvokeDestImpl().
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Definition at line 243 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 211 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 686 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 257 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 288 of file CGException.cpp.