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fe46230d58
Summary: LTO requires the debug-info-for-profiling to be a function attribute. Reviewers: echristo, mehdi_amini, dblaikie, probinson, aprantl Reviewed By: mehdi_amini, dblaikie, aprantl Subscribers: aprantl, probinson, ahatanak, llvm-commits, mehdi_amini Differential Revision: https://reviews.llvm.org/D29203 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293833 91177308-0d34-0410-b5e6-96231b3b80d8
699 lines
29 KiB
C++
699 lines
29 KiB
C++
//===- DebugInfoMetadata.cpp - Implement debug info metadata --------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the debug info Metadata classes.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/DebugInfoMetadata.h"
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#include "LLVMContextImpl.h"
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#include "MetadataImpl.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/IR/Function.h"
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using namespace llvm;
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DILocation::DILocation(LLVMContext &C, StorageType Storage, unsigned Line,
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unsigned Column, ArrayRef<Metadata *> MDs)
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: MDNode(C, DILocationKind, Storage, MDs) {
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assert((MDs.size() == 1 || MDs.size() == 2) &&
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"Expected a scope and optional inlined-at");
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// Set line and column.
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assert(Column < (1u << 16) && "Expected 16-bit column");
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SubclassData32 = Line;
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SubclassData16 = Column;
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}
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static void adjustColumn(unsigned &Column) {
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// Set to unknown on overflow. We only have 16 bits to play with here.
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if (Column >= (1u << 16))
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Column = 0;
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}
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DILocation *DILocation::getImpl(LLVMContext &Context, unsigned Line,
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unsigned Column, Metadata *Scope,
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Metadata *InlinedAt, StorageType Storage,
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bool ShouldCreate) {
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// Fixup column.
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adjustColumn(Column);
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if (Storage == Uniqued) {
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if (auto *N =
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getUniqued(Context.pImpl->DILocations,
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DILocationInfo::KeyTy(Line, Column, Scope, InlinedAt)))
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return N;
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if (!ShouldCreate)
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return nullptr;
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} else {
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assert(ShouldCreate && "Expected non-uniqued nodes to always be created");
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}
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SmallVector<Metadata *, 2> Ops;
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Ops.push_back(Scope);
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if (InlinedAt)
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Ops.push_back(InlinedAt);
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return storeImpl(new (Ops.size())
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DILocation(Context, Storage, Line, Column, Ops),
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Storage, Context.pImpl->DILocations);
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}
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DINode::DIFlags DINode::getFlag(StringRef Flag) {
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return StringSwitch<DIFlags>(Flag)
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#define HANDLE_DI_FLAG(ID, NAME) .Case("DIFlag" #NAME, Flag##NAME)
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#include "llvm/IR/DebugInfoFlags.def"
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.Default(DINode::FlagZero);
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}
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StringRef DINode::getFlagString(DIFlags Flag) {
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switch (Flag) {
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#define HANDLE_DI_FLAG(ID, NAME) \
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case Flag##NAME: \
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return "DIFlag" #NAME;
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#include "llvm/IR/DebugInfoFlags.def"
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}
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return "";
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}
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DINode::DIFlags DINode::splitFlags(DIFlags Flags,
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SmallVectorImpl<DIFlags> &SplitFlags) {
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// Flags that are packed together need to be specially handled, so
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// that, for example, we emit "DIFlagPublic" and not
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// "DIFlagPrivate | DIFlagProtected".
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if (DIFlags A = Flags & FlagAccessibility) {
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if (A == FlagPrivate)
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SplitFlags.push_back(FlagPrivate);
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else if (A == FlagProtected)
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SplitFlags.push_back(FlagProtected);
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else
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SplitFlags.push_back(FlagPublic);
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Flags &= ~A;
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}
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if (DIFlags R = Flags & FlagPtrToMemberRep) {
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if (R == FlagSingleInheritance)
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SplitFlags.push_back(FlagSingleInheritance);
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else if (R == FlagMultipleInheritance)
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SplitFlags.push_back(FlagMultipleInheritance);
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else
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SplitFlags.push_back(FlagVirtualInheritance);
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Flags &= ~R;
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}
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if ((Flags & FlagIndirectVirtualBase) == FlagIndirectVirtualBase) {
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Flags &= ~FlagIndirectVirtualBase;
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SplitFlags.push_back(FlagIndirectVirtualBase);
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}
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#define HANDLE_DI_FLAG(ID, NAME) \
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if (DIFlags Bit = Flags & Flag##NAME) { \
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SplitFlags.push_back(Bit); \
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Flags &= ~Bit; \
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}
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#include "llvm/IR/DebugInfoFlags.def"
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return Flags;
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}
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DIScopeRef DIScope::getScope() const {
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if (auto *T = dyn_cast<DIType>(this))
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return T->getScope();
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if (auto *SP = dyn_cast<DISubprogram>(this))
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return SP->getScope();
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if (auto *LB = dyn_cast<DILexicalBlockBase>(this))
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return LB->getScope();
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if (auto *NS = dyn_cast<DINamespace>(this))
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return NS->getScope();
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if (auto *M = dyn_cast<DIModule>(this))
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return M->getScope();
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assert((isa<DIFile>(this) || isa<DICompileUnit>(this)) &&
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"Unhandled type of scope.");
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return nullptr;
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}
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StringRef DIScope::getName() const {
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if (auto *T = dyn_cast<DIType>(this))
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return T->getName();
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if (auto *SP = dyn_cast<DISubprogram>(this))
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return SP->getName();
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if (auto *NS = dyn_cast<DINamespace>(this))
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return NS->getName();
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if (auto *M = dyn_cast<DIModule>(this))
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return M->getName();
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assert((isa<DILexicalBlockBase>(this) || isa<DIFile>(this) ||
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isa<DICompileUnit>(this)) &&
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"Unhandled type of scope.");
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return "";
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}
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#ifndef NDEBUG
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static bool isCanonical(const MDString *S) {
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return !S || !S->getString().empty();
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}
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#endif
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GenericDINode *GenericDINode::getImpl(LLVMContext &Context, unsigned Tag,
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MDString *Header,
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ArrayRef<Metadata *> DwarfOps,
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StorageType Storage, bool ShouldCreate) {
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unsigned Hash = 0;
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if (Storage == Uniqued) {
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GenericDINodeInfo::KeyTy Key(Tag, Header, DwarfOps);
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if (auto *N = getUniqued(Context.pImpl->GenericDINodes, Key))
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return N;
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if (!ShouldCreate)
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return nullptr;
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Hash = Key.getHash();
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} else {
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assert(ShouldCreate && "Expected non-uniqued nodes to always be created");
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}
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// Use a nullptr for empty headers.
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assert(isCanonical(Header) && "Expected canonical MDString");
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Metadata *PreOps[] = {Header};
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return storeImpl(new (DwarfOps.size() + 1) GenericDINode(
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Context, Storage, Hash, Tag, PreOps, DwarfOps),
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Storage, Context.pImpl->GenericDINodes);
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}
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void GenericDINode::recalculateHash() {
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setHash(GenericDINodeInfo::KeyTy::calculateHash(this));
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}
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#define UNWRAP_ARGS_IMPL(...) __VA_ARGS__
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#define UNWRAP_ARGS(ARGS) UNWRAP_ARGS_IMPL ARGS
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#define DEFINE_GETIMPL_LOOKUP(CLASS, ARGS) \
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do { \
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if (Storage == Uniqued) { \
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if (auto *N = getUniqued(Context.pImpl->CLASS##s, \
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CLASS##Info::KeyTy(UNWRAP_ARGS(ARGS)))) \
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return N; \
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if (!ShouldCreate) \
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return nullptr; \
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} else { \
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assert(ShouldCreate && \
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"Expected non-uniqued nodes to always be created"); \
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} \
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} while (false)
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#define DEFINE_GETIMPL_STORE(CLASS, ARGS, OPS) \
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return storeImpl(new (array_lengthof(OPS)) \
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CLASS(Context, Storage, UNWRAP_ARGS(ARGS), OPS), \
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Storage, Context.pImpl->CLASS##s)
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#define DEFINE_GETIMPL_STORE_NO_OPS(CLASS, ARGS) \
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return storeImpl(new (0u) CLASS(Context, Storage, UNWRAP_ARGS(ARGS)), \
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Storage, Context.pImpl->CLASS##s)
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#define DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(CLASS, OPS) \
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return storeImpl(new (array_lengthof(OPS)) CLASS(Context, Storage, OPS), \
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Storage, Context.pImpl->CLASS##s)
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DISubrange *DISubrange::getImpl(LLVMContext &Context, int64_t Count, int64_t Lo,
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StorageType Storage, bool ShouldCreate) {
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DEFINE_GETIMPL_LOOKUP(DISubrange, (Count, Lo));
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DEFINE_GETIMPL_STORE_NO_OPS(DISubrange, (Count, Lo));
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}
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DIEnumerator *DIEnumerator::getImpl(LLVMContext &Context, int64_t Value,
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MDString *Name, StorageType Storage,
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bool ShouldCreate) {
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assert(isCanonical(Name) && "Expected canonical MDString");
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DEFINE_GETIMPL_LOOKUP(DIEnumerator, (Value, Name));
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Metadata *Ops[] = {Name};
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DEFINE_GETIMPL_STORE(DIEnumerator, (Value), Ops);
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}
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DIBasicType *DIBasicType::getImpl(LLVMContext &Context, unsigned Tag,
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MDString *Name, uint64_t SizeInBits,
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uint32_t AlignInBits, unsigned Encoding,
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StorageType Storage, bool ShouldCreate) {
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assert(isCanonical(Name) && "Expected canonical MDString");
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DEFINE_GETIMPL_LOOKUP(DIBasicType,
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(Tag, Name, SizeInBits, AlignInBits, Encoding));
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Metadata *Ops[] = {nullptr, nullptr, Name};
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DEFINE_GETIMPL_STORE(DIBasicType, (Tag, SizeInBits, AlignInBits, Encoding),
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Ops);
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}
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DIDerivedType *DIDerivedType::getImpl(
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LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *File,
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unsigned Line, Metadata *Scope, Metadata *BaseType, uint64_t SizeInBits,
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uint32_t AlignInBits, uint64_t OffsetInBits, DIFlags Flags,
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Metadata *ExtraData, StorageType Storage, bool ShouldCreate) {
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assert(isCanonical(Name) && "Expected canonical MDString");
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DEFINE_GETIMPL_LOOKUP(DIDerivedType,
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(Tag, Name, File, Line, Scope, BaseType, SizeInBits,
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AlignInBits, OffsetInBits, Flags, ExtraData));
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Metadata *Ops[] = {File, Scope, Name, BaseType, ExtraData};
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DEFINE_GETIMPL_STORE(
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DIDerivedType, (Tag, Line, SizeInBits, AlignInBits, OffsetInBits, Flags),
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Ops);
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}
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DICompositeType *DICompositeType::getImpl(
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LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *File,
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unsigned Line, Metadata *Scope, Metadata *BaseType, uint64_t SizeInBits,
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uint32_t AlignInBits, uint64_t OffsetInBits, DIFlags Flags,
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Metadata *Elements, unsigned RuntimeLang, Metadata *VTableHolder,
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Metadata *TemplateParams, MDString *Identifier, StorageType Storage,
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bool ShouldCreate) {
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assert(isCanonical(Name) && "Expected canonical MDString");
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// Keep this in sync with buildODRType.
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DEFINE_GETIMPL_LOOKUP(
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DICompositeType, (Tag, Name, File, Line, Scope, BaseType, SizeInBits,
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AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
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VTableHolder, TemplateParams, Identifier));
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Metadata *Ops[] = {File, Scope, Name, BaseType,
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Elements, VTableHolder, TemplateParams, Identifier};
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DEFINE_GETIMPL_STORE(DICompositeType, (Tag, Line, RuntimeLang, SizeInBits,
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AlignInBits, OffsetInBits, Flags),
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Ops);
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}
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DICompositeType *DICompositeType::buildODRType(
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LLVMContext &Context, MDString &Identifier, unsigned Tag, MDString *Name,
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Metadata *File, unsigned Line, Metadata *Scope, Metadata *BaseType,
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uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits,
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DIFlags Flags, Metadata *Elements, unsigned RuntimeLang,
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Metadata *VTableHolder, Metadata *TemplateParams) {
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assert(!Identifier.getString().empty() && "Expected valid identifier");
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if (!Context.isODRUniquingDebugTypes())
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return nullptr;
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auto *&CT = (*Context.pImpl->DITypeMap)[&Identifier];
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if (!CT)
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return CT = DICompositeType::getDistinct(
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Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
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AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
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VTableHolder, TemplateParams, &Identifier);
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// Only mutate CT if it's a forward declaration and the new operands aren't.
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assert(CT->getRawIdentifier() == &Identifier && "Wrong ODR identifier?");
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if (!CT->isForwardDecl() || (Flags & DINode::FlagFwdDecl))
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return CT;
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// Mutate CT in place. Keep this in sync with getImpl.
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CT->mutate(Tag, Line, RuntimeLang, SizeInBits, AlignInBits, OffsetInBits,
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Flags);
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Metadata *Ops[] = {File, Scope, Name, BaseType,
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Elements, VTableHolder, TemplateParams, &Identifier};
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assert((std::end(Ops) - std::begin(Ops)) == (int)CT->getNumOperands() &&
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"Mismatched number of operands");
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for (unsigned I = 0, E = CT->getNumOperands(); I != E; ++I)
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if (Ops[I] != CT->getOperand(I))
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CT->setOperand(I, Ops[I]);
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return CT;
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}
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DICompositeType *DICompositeType::getODRType(
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LLVMContext &Context, MDString &Identifier, unsigned Tag, MDString *Name,
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Metadata *File, unsigned Line, Metadata *Scope, Metadata *BaseType,
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uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits,
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DIFlags Flags, Metadata *Elements, unsigned RuntimeLang,
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Metadata *VTableHolder, Metadata *TemplateParams) {
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assert(!Identifier.getString().empty() && "Expected valid identifier");
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if (!Context.isODRUniquingDebugTypes())
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return nullptr;
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auto *&CT = (*Context.pImpl->DITypeMap)[&Identifier];
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if (!CT)
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CT = DICompositeType::getDistinct(
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Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
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AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang, VTableHolder,
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TemplateParams, &Identifier);
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return CT;
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}
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DICompositeType *DICompositeType::getODRTypeIfExists(LLVMContext &Context,
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MDString &Identifier) {
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assert(!Identifier.getString().empty() && "Expected valid identifier");
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if (!Context.isODRUniquingDebugTypes())
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return nullptr;
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return Context.pImpl->DITypeMap->lookup(&Identifier);
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}
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DISubroutineType *DISubroutineType::getImpl(LLVMContext &Context, DIFlags Flags,
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uint8_t CC, Metadata *TypeArray,
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StorageType Storage,
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bool ShouldCreate) {
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DEFINE_GETIMPL_LOOKUP(DISubroutineType, (Flags, CC, TypeArray));
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Metadata *Ops[] = {nullptr, nullptr, nullptr, TypeArray};
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DEFINE_GETIMPL_STORE(DISubroutineType, (Flags, CC), Ops);
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}
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static const char *ChecksumKindName[DIFile::CSK_Last + 1] = {
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"CSK_None",
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"CSK_MD5",
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"CSK_SHA1"
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};
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DIFile::ChecksumKind DIFile::getChecksumKind(StringRef CSKindStr) {
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return StringSwitch<DIFile::ChecksumKind>(CSKindStr)
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.Case("CSK_MD5", DIFile::CSK_MD5)
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.Case("CSK_SHA1", DIFile::CSK_SHA1)
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.Default(DIFile::CSK_None);
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}
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StringRef DIFile::getChecksumKindAsString() const {
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assert(CSKind <= DIFile::CSK_Last && "Invalid checksum kind");
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return ChecksumKindName[CSKind];
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}
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DIFile *DIFile::getImpl(LLVMContext &Context, MDString *Filename,
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MDString *Directory, DIFile::ChecksumKind CSKind,
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MDString *Checksum, StorageType Storage,
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bool ShouldCreate) {
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assert(isCanonical(Filename) && "Expected canonical MDString");
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assert(isCanonical(Directory) && "Expected canonical MDString");
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assert(isCanonical(Checksum) && "Expected canonical MDString");
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DEFINE_GETIMPL_LOOKUP(DIFile, (Filename, Directory, CSKind, Checksum));
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Metadata *Ops[] = {Filename, Directory, Checksum};
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DEFINE_GETIMPL_STORE(DIFile, (CSKind), Ops);
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}
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DICompileUnit *DICompileUnit::getImpl(
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LLVMContext &Context, unsigned SourceLanguage, Metadata *File,
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MDString *Producer, bool IsOptimized, MDString *Flags,
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unsigned RuntimeVersion, MDString *SplitDebugFilename,
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unsigned EmissionKind, Metadata *EnumTypes, Metadata *RetainedTypes,
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Metadata *GlobalVariables, Metadata *ImportedEntities, Metadata *Macros,
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uint64_t DWOId, bool SplitDebugInlining, bool DebugInfoForProfiling,
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StorageType Storage, bool ShouldCreate) {
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assert(Storage != Uniqued && "Cannot unique DICompileUnit");
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assert(isCanonical(Producer) && "Expected canonical MDString");
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assert(isCanonical(Flags) && "Expected canonical MDString");
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assert(isCanonical(SplitDebugFilename) && "Expected canonical MDString");
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Metadata *Ops[] = {
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File, Producer, Flags, SplitDebugFilename,
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EnumTypes, RetainedTypes, GlobalVariables, ImportedEntities,
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Macros};
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return storeImpl(new (array_lengthof(Ops))
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DICompileUnit(Context, Storage, SourceLanguage,
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IsOptimized, RuntimeVersion, EmissionKind,
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DWOId, SplitDebugInlining,
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DebugInfoForProfiling, Ops),
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Storage);
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}
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Optional<DICompileUnit::DebugEmissionKind>
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DICompileUnit::getEmissionKind(StringRef Str) {
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return StringSwitch<Optional<DebugEmissionKind>>(Str)
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.Case("NoDebug", NoDebug)
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.Case("FullDebug", FullDebug)
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.Case("LineTablesOnly", LineTablesOnly)
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.Default(None);
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}
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const char *DICompileUnit::EmissionKindString(DebugEmissionKind EK) {
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switch (EK) {
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case NoDebug: return "NoDebug";
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case FullDebug: return "FullDebug";
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case LineTablesOnly: return "LineTablesOnly";
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}
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return nullptr;
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}
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DISubprogram *DILocalScope::getSubprogram() const {
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if (auto *Block = dyn_cast<DILexicalBlockBase>(this))
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return Block->getScope()->getSubprogram();
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return const_cast<DISubprogram *>(cast<DISubprogram>(this));
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}
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DILocalScope *DILocalScope::getNonLexicalBlockFileScope() const {
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if (auto *File = dyn_cast<DILexicalBlockFile>(this))
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return File->getScope()->getNonLexicalBlockFileScope();
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return const_cast<DILocalScope *>(this);
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}
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DISubprogram *DISubprogram::getImpl(
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LLVMContext &Context, Metadata *Scope, MDString *Name,
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MDString *LinkageName, Metadata *File, unsigned Line, Metadata *Type,
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bool IsLocalToUnit, bool IsDefinition, unsigned ScopeLine,
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Metadata *ContainingType, unsigned Virtuality, unsigned VirtualIndex,
|
|
int ThisAdjustment, DIFlags Flags, bool IsOptimized, Metadata *Unit,
|
|
Metadata *TemplateParams, Metadata *Declaration, Metadata *Variables,
|
|
StorageType Storage, bool ShouldCreate) {
|
|
assert(isCanonical(Name) && "Expected canonical MDString");
|
|
assert(isCanonical(LinkageName) && "Expected canonical MDString");
|
|
DEFINE_GETIMPL_LOOKUP(
|
|
DISubprogram,
|
|
(Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit, IsDefinition,
|
|
ScopeLine, ContainingType, Virtuality, VirtualIndex, ThisAdjustment,
|
|
Flags, IsOptimized, Unit, TemplateParams, Declaration, Variables));
|
|
Metadata *Ops[] = {File, Scope, Name, Name,
|
|
LinkageName, Type, ContainingType, Unit,
|
|
TemplateParams, Declaration, Variables};
|
|
DEFINE_GETIMPL_STORE(DISubprogram, (Line, ScopeLine, Virtuality, VirtualIndex,
|
|
ThisAdjustment, Flags, IsLocalToUnit,
|
|
IsDefinition, IsOptimized),
|
|
Ops);
|
|
}
|
|
|
|
bool DISubprogram::describes(const Function *F) const {
|
|
assert(F && "Invalid function");
|
|
if (F->getSubprogram() == this)
|
|
return true;
|
|
StringRef Name = getLinkageName();
|
|
if (Name.empty())
|
|
Name = getName();
|
|
return F->getName() == Name;
|
|
}
|
|
|
|
DILexicalBlock *DILexicalBlock::getImpl(LLVMContext &Context, Metadata *Scope,
|
|
Metadata *File, unsigned Line,
|
|
unsigned Column, StorageType Storage,
|
|
bool ShouldCreate) {
|
|
// Fixup column.
|
|
adjustColumn(Column);
|
|
|
|
assert(Scope && "Expected scope");
|
|
DEFINE_GETIMPL_LOOKUP(DILexicalBlock, (Scope, File, Line, Column));
|
|
Metadata *Ops[] = {File, Scope};
|
|
DEFINE_GETIMPL_STORE(DILexicalBlock, (Line, Column), Ops);
|
|
}
|
|
|
|
DILexicalBlockFile *DILexicalBlockFile::getImpl(LLVMContext &Context,
|
|
Metadata *Scope, Metadata *File,
|
|
unsigned Discriminator,
|
|
StorageType Storage,
|
|
bool ShouldCreate) {
|
|
assert(Scope && "Expected scope");
|
|
DEFINE_GETIMPL_LOOKUP(DILexicalBlockFile, (Scope, File, Discriminator));
|
|
Metadata *Ops[] = {File, Scope};
|
|
DEFINE_GETIMPL_STORE(DILexicalBlockFile, (Discriminator), Ops);
|
|
}
|
|
|
|
DINamespace *DINamespace::getImpl(LLVMContext &Context, Metadata *Scope,
|
|
Metadata *File, MDString *Name, unsigned Line,
|
|
bool ExportSymbols, StorageType Storage,
|
|
bool ShouldCreate) {
|
|
assert(isCanonical(Name) && "Expected canonical MDString");
|
|
DEFINE_GETIMPL_LOOKUP(DINamespace, (Scope, File, Name, Line, ExportSymbols));
|
|
Metadata *Ops[] = {File, Scope, Name};
|
|
DEFINE_GETIMPL_STORE(DINamespace, (Line, ExportSymbols), Ops);
|
|
}
|
|
|
|
DIModule *DIModule::getImpl(LLVMContext &Context, Metadata *Scope,
|
|
MDString *Name, MDString *ConfigurationMacros,
|
|
MDString *IncludePath, MDString *ISysRoot,
|
|
StorageType Storage, bool ShouldCreate) {
|
|
assert(isCanonical(Name) && "Expected canonical MDString");
|
|
DEFINE_GETIMPL_LOOKUP(
|
|
DIModule, (Scope, Name, ConfigurationMacros, IncludePath, ISysRoot));
|
|
Metadata *Ops[] = {Scope, Name, ConfigurationMacros, IncludePath, ISysRoot};
|
|
DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DIModule, Ops);
|
|
}
|
|
|
|
DITemplateTypeParameter *DITemplateTypeParameter::getImpl(LLVMContext &Context,
|
|
MDString *Name,
|
|
Metadata *Type,
|
|
StorageType Storage,
|
|
bool ShouldCreate) {
|
|
assert(isCanonical(Name) && "Expected canonical MDString");
|
|
DEFINE_GETIMPL_LOOKUP(DITemplateTypeParameter, (Name, Type));
|
|
Metadata *Ops[] = {Name, Type};
|
|
DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DITemplateTypeParameter, Ops);
|
|
}
|
|
|
|
DITemplateValueParameter *DITemplateValueParameter::getImpl(
|
|
LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *Type,
|
|
Metadata *Value, StorageType Storage, bool ShouldCreate) {
|
|
assert(isCanonical(Name) && "Expected canonical MDString");
|
|
DEFINE_GETIMPL_LOOKUP(DITemplateValueParameter, (Tag, Name, Type, Value));
|
|
Metadata *Ops[] = {Name, Type, Value};
|
|
DEFINE_GETIMPL_STORE(DITemplateValueParameter, (Tag), Ops);
|
|
}
|
|
|
|
DIGlobalVariable *
|
|
DIGlobalVariable::getImpl(LLVMContext &Context, Metadata *Scope, MDString *Name,
|
|
MDString *LinkageName, Metadata *File, unsigned Line,
|
|
Metadata *Type, bool IsLocalToUnit, bool IsDefinition,
|
|
Metadata *StaticDataMemberDeclaration,
|
|
uint32_t AlignInBits, StorageType Storage,
|
|
bool ShouldCreate) {
|
|
assert(isCanonical(Name) && "Expected canonical MDString");
|
|
assert(isCanonical(LinkageName) && "Expected canonical MDString");
|
|
DEFINE_GETIMPL_LOOKUP(DIGlobalVariable,
|
|
(Scope, Name, LinkageName, File, Line, Type,
|
|
IsLocalToUnit, IsDefinition,
|
|
StaticDataMemberDeclaration, AlignInBits));
|
|
Metadata *Ops[] = {
|
|
Scope, Name, File, Type, Name, LinkageName, StaticDataMemberDeclaration};
|
|
DEFINE_GETIMPL_STORE(DIGlobalVariable,
|
|
(Line, IsLocalToUnit, IsDefinition, AlignInBits),
|
|
Ops);
|
|
}
|
|
|
|
DILocalVariable *DILocalVariable::getImpl(LLVMContext &Context, Metadata *Scope,
|
|
MDString *Name, Metadata *File,
|
|
unsigned Line, Metadata *Type,
|
|
unsigned Arg, DIFlags Flags,
|
|
uint32_t AlignInBits,
|
|
StorageType Storage,
|
|
bool ShouldCreate) {
|
|
// 64K ought to be enough for any frontend.
|
|
assert(Arg <= UINT16_MAX && "Expected argument number to fit in 16-bits");
|
|
|
|
assert(Scope && "Expected scope");
|
|
assert(isCanonical(Name) && "Expected canonical MDString");
|
|
DEFINE_GETIMPL_LOOKUP(DILocalVariable,
|
|
(Scope, Name, File, Line, Type, Arg, Flags,
|
|
AlignInBits));
|
|
Metadata *Ops[] = {Scope, Name, File, Type};
|
|
DEFINE_GETIMPL_STORE(DILocalVariable, (Line, Arg, Flags, AlignInBits), Ops);
|
|
}
|
|
|
|
DIExpression *DIExpression::getImpl(LLVMContext &Context,
|
|
ArrayRef<uint64_t> Elements,
|
|
StorageType Storage, bool ShouldCreate) {
|
|
DEFINE_GETIMPL_LOOKUP(DIExpression, (Elements));
|
|
DEFINE_GETIMPL_STORE_NO_OPS(DIExpression, (Elements));
|
|
}
|
|
|
|
unsigned DIExpression::ExprOperand::getSize() const {
|
|
switch (getOp()) {
|
|
case dwarf::DW_OP_LLVM_fragment:
|
|
return 3;
|
|
case dwarf::DW_OP_constu:
|
|
case dwarf::DW_OP_plus:
|
|
case dwarf::DW_OP_minus:
|
|
return 2;
|
|
default:
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
bool DIExpression::isValid() const {
|
|
for (auto I = expr_op_begin(), E = expr_op_end(); I != E; ++I) {
|
|
// Check that there's space for the operand.
|
|
if (I->get() + I->getSize() > E->get())
|
|
return false;
|
|
|
|
// Check that the operand is valid.
|
|
switch (I->getOp()) {
|
|
default:
|
|
return false;
|
|
case dwarf::DW_OP_LLVM_fragment:
|
|
// A fragment operator must appear at the end.
|
|
return I->get() + I->getSize() == E->get();
|
|
case dwarf::DW_OP_stack_value: {
|
|
// Must be the last one or followed by a DW_OP_LLVM_fragment.
|
|
if (I->get() + I->getSize() == E->get())
|
|
break;
|
|
auto J = I;
|
|
if ((++J)->getOp() != dwarf::DW_OP_LLVM_fragment)
|
|
return false;
|
|
break;
|
|
}
|
|
case dwarf::DW_OP_constu:
|
|
case dwarf::DW_OP_plus:
|
|
case dwarf::DW_OP_minus:
|
|
case dwarf::DW_OP_deref:
|
|
break;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
Optional<DIExpression::FragmentInfo>
|
|
DIExpression::getFragmentInfo(expr_op_iterator Start, expr_op_iterator End) {
|
|
for (auto I = Start; I != End; ++I)
|
|
if (I->getOp() == dwarf::DW_OP_LLVM_fragment) {
|
|
DIExpression::FragmentInfo Info = {I->getArg(1), I->getArg(0)};
|
|
return Info;
|
|
}
|
|
return None;
|
|
}
|
|
|
|
bool DIExpression::isConstant() const {
|
|
// Recognize DW_OP_constu C DW_OP_stack_value (DW_OP_LLVM_fragment Len Ofs)?.
|
|
if (getNumElements() != 3 && getNumElements() != 6)
|
|
return false;
|
|
if (getElement(0) != dwarf::DW_OP_constu ||
|
|
getElement(2) != dwarf::DW_OP_stack_value)
|
|
return false;
|
|
if (getNumElements() == 6 && getElement(3) != dwarf::DW_OP_LLVM_fragment)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
DIGlobalVariableExpression *
|
|
DIGlobalVariableExpression::getImpl(LLVMContext &Context, Metadata *Variable,
|
|
Metadata *Expression, StorageType Storage,
|
|
bool ShouldCreate) {
|
|
DEFINE_GETIMPL_LOOKUP(DIGlobalVariableExpression, (Variable, Expression));
|
|
Metadata *Ops[] = {Variable, Expression};
|
|
DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DIGlobalVariableExpression, Ops);
|
|
}
|
|
|
|
DIObjCProperty *DIObjCProperty::getImpl(
|
|
LLVMContext &Context, MDString *Name, Metadata *File, unsigned Line,
|
|
MDString *GetterName, MDString *SetterName, unsigned Attributes,
|
|
Metadata *Type, StorageType Storage, bool ShouldCreate) {
|
|
assert(isCanonical(Name) && "Expected canonical MDString");
|
|
assert(isCanonical(GetterName) && "Expected canonical MDString");
|
|
assert(isCanonical(SetterName) && "Expected canonical MDString");
|
|
DEFINE_GETIMPL_LOOKUP(DIObjCProperty, (Name, File, Line, GetterName,
|
|
SetterName, Attributes, Type));
|
|
Metadata *Ops[] = {Name, File, GetterName, SetterName, Type};
|
|
DEFINE_GETIMPL_STORE(DIObjCProperty, (Line, Attributes), Ops);
|
|
}
|
|
|
|
DIImportedEntity *DIImportedEntity::getImpl(LLVMContext &Context, unsigned Tag,
|
|
Metadata *Scope, Metadata *Entity,
|
|
unsigned Line, MDString *Name,
|
|
StorageType Storage,
|
|
bool ShouldCreate) {
|
|
assert(isCanonical(Name) && "Expected canonical MDString");
|
|
DEFINE_GETIMPL_LOOKUP(DIImportedEntity, (Tag, Scope, Entity, Line, Name));
|
|
Metadata *Ops[] = {Scope, Entity, Name};
|
|
DEFINE_GETIMPL_STORE(DIImportedEntity, (Tag, Line), Ops);
|
|
}
|
|
|
|
DIMacro *DIMacro::getImpl(LLVMContext &Context, unsigned MIType,
|
|
unsigned Line, MDString *Name, MDString *Value,
|
|
StorageType Storage, bool ShouldCreate) {
|
|
assert(isCanonical(Name) && "Expected canonical MDString");
|
|
DEFINE_GETIMPL_LOOKUP(DIMacro, (MIType, Line, Name, Value));
|
|
Metadata *Ops[] = { Name, Value };
|
|
DEFINE_GETIMPL_STORE(DIMacro, (MIType, Line), Ops);
|
|
}
|
|
|
|
DIMacroFile *DIMacroFile::getImpl(LLVMContext &Context, unsigned MIType,
|
|
unsigned Line, Metadata *File,
|
|
Metadata *Elements, StorageType Storage,
|
|
bool ShouldCreate) {
|
|
DEFINE_GETIMPL_LOOKUP(DIMacroFile,
|
|
(MIType, Line, File, Elements));
|
|
Metadata *Ops[] = { File, Elements };
|
|
DEFINE_GETIMPL_STORE(DIMacroFile, (MIType, Line), Ops);
|
|
}
|
|
|