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-rw-r--r--llvm/lib/IR/DebugInfo.cpp1453
1 files changed, 1453 insertions, 0 deletions
diff --git a/llvm/lib/IR/DebugInfo.cpp b/llvm/lib/IR/DebugInfo.cpp
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+++ b/llvm/lib/IR/DebugInfo.cpp
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+//===- DebugInfo.cpp - Debug Information Helper Classes -------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the helper classes used to build and interpret debug
+// information in LLVM IR form.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm-c/DebugInfo.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/DenseSet.h"
+#include "llvm/ADT/None.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DebugInfoMetadata.h"
+#include "llvm/IR/DebugLoc.h"
+#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/DIBuilder.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/GVMaterializer.h"
+#include "llvm/IR/Instruction.h"
+#include "llvm/IR/IntrinsicInst.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Metadata.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Support/Casting.h"
+#include <algorithm>
+#include <cassert>
+#include <utility>
+
+using namespace llvm;
+using namespace llvm::dwarf;
+
+DISubprogram *llvm::getDISubprogram(const MDNode *Scope) {
+ if (auto *LocalScope = dyn_cast_or_null<DILocalScope>(Scope))
+ return LocalScope->getSubprogram();
+ return nullptr;
+}
+
+//===----------------------------------------------------------------------===//
+// DebugInfoFinder implementations.
+//===----------------------------------------------------------------------===//
+
+void DebugInfoFinder::reset() {
+ CUs.clear();
+ SPs.clear();
+ GVs.clear();
+ TYs.clear();
+ Scopes.clear();
+ NodesSeen.clear();
+}
+
+void DebugInfoFinder::processModule(const Module &M) {
+ for (auto *CU : M.debug_compile_units())
+ processCompileUnit(CU);
+ for (auto &F : M.functions()) {
+ if (auto *SP = cast_or_null<DISubprogram>(F.getSubprogram()))
+ processSubprogram(SP);
+ // There could be subprograms from inlined functions referenced from
+ // instructions only. Walk the function to find them.
+ for (const BasicBlock &BB : F)
+ for (const Instruction &I : BB)
+ processInstruction(M, I);
+ }
+}
+
+void DebugInfoFinder::processCompileUnit(DICompileUnit *CU) {
+ if (!addCompileUnit(CU))
+ return;
+ for (auto DIG : CU->getGlobalVariables()) {
+ if (!addGlobalVariable(DIG))
+ continue;
+ auto *GV = DIG->getVariable();
+ processScope(GV->getScope());
+ processType(GV->getType());
+ }
+ for (auto *ET : CU->getEnumTypes())
+ processType(ET);
+ for (auto *RT : CU->getRetainedTypes())
+ if (auto *T = dyn_cast<DIType>(RT))
+ processType(T);
+ else
+ processSubprogram(cast<DISubprogram>(RT));
+ for (auto *Import : CU->getImportedEntities()) {
+ auto *Entity = Import->getEntity();
+ if (auto *T = dyn_cast<DIType>(Entity))
+ processType(T);
+ else if (auto *SP = dyn_cast<DISubprogram>(Entity))
+ processSubprogram(SP);
+ else if (auto *NS = dyn_cast<DINamespace>(Entity))
+ processScope(NS->getScope());
+ else if (auto *M = dyn_cast<DIModule>(Entity))
+ processScope(M->getScope());
+ }
+}
+
+void DebugInfoFinder::processInstruction(const Module &M,
+ const Instruction &I) {
+ if (auto *DDI = dyn_cast<DbgDeclareInst>(&I))
+ processDeclare(M, DDI);
+ else if (auto *DVI = dyn_cast<DbgValueInst>(&I))
+ processValue(M, DVI);
+
+ if (auto DbgLoc = I.getDebugLoc())
+ processLocation(M, DbgLoc.get());
+}
+
+void DebugInfoFinder::processLocation(const Module &M, const DILocation *Loc) {
+ if (!Loc)
+ return;
+ processScope(Loc->getScope());
+ processLocation(M, Loc->getInlinedAt());
+}
+
+void DebugInfoFinder::processType(DIType *DT) {
+ if (!addType(DT))
+ return;
+ processScope(DT->getScope());
+ if (auto *ST = dyn_cast<DISubroutineType>(DT)) {
+ for (DIType *Ref : ST->getTypeArray())
+ processType(Ref);
+ return;
+ }
+ if (auto *DCT = dyn_cast<DICompositeType>(DT)) {
+ processType(DCT->getBaseType());
+ for (Metadata *D : DCT->getElements()) {
+ if (auto *T = dyn_cast<DIType>(D))
+ processType(T);
+ else if (auto *SP = dyn_cast<DISubprogram>(D))
+ processSubprogram(SP);
+ }
+ return;
+ }
+ if (auto *DDT = dyn_cast<DIDerivedType>(DT)) {
+ processType(DDT->getBaseType());
+ }
+}
+
+void DebugInfoFinder::processScope(DIScope *Scope) {
+ if (!Scope)
+ return;
+ if (auto *Ty = dyn_cast<DIType>(Scope)) {
+ processType(Ty);
+ return;
+ }
+ if (auto *CU = dyn_cast<DICompileUnit>(Scope)) {
+ addCompileUnit(CU);
+ return;
+ }
+ if (auto *SP = dyn_cast<DISubprogram>(Scope)) {
+ processSubprogram(SP);
+ return;
+ }
+ if (!addScope(Scope))
+ return;
+ if (auto *LB = dyn_cast<DILexicalBlockBase>(Scope)) {
+ processScope(LB->getScope());
+ } else if (auto *NS = dyn_cast<DINamespace>(Scope)) {
+ processScope(NS->getScope());
+ } else if (auto *M = dyn_cast<DIModule>(Scope)) {
+ processScope(M->getScope());
+ }
+}
+
+void DebugInfoFinder::processSubprogram(DISubprogram *SP) {
+ if (!addSubprogram(SP))
+ return;
+ processScope(SP->getScope());
+ // Some of the users, e.g. CloneFunctionInto / CloneModule, need to set up a
+ // ValueMap containing identity mappings for all of the DICompileUnit's, not
+ // just DISubprogram's, referenced from anywhere within the Function being
+ // cloned prior to calling MapMetadata / RemapInstruction to avoid their
+ // duplication later as DICompileUnit's are also directly referenced by
+ // llvm.dbg.cu list. Thefore we need to collect DICompileUnit's here as well.
+ // Also, DICompileUnit's may reference DISubprogram's too and therefore need
+ // to be at least looked through.
+ processCompileUnit(SP->getUnit());
+ processType(SP->getType());
+ for (auto *Element : SP->getTemplateParams()) {
+ if (auto *TType = dyn_cast<DITemplateTypeParameter>(Element)) {
+ processType(TType->getType());
+ } else if (auto *TVal = dyn_cast<DITemplateValueParameter>(Element)) {
+ processType(TVal->getType());
+ }
+ }
+}
+
+void DebugInfoFinder::processDeclare(const Module &M,
+ const DbgDeclareInst *DDI) {
+ auto *N = dyn_cast<MDNode>(DDI->getVariable());
+ if (!N)
+ return;
+
+ auto *DV = dyn_cast<DILocalVariable>(N);
+ if (!DV)
+ return;
+
+ if (!NodesSeen.insert(DV).second)
+ return;
+ processScope(DV->getScope());
+ processType(DV->getType());
+}
+
+void DebugInfoFinder::processValue(const Module &M, const DbgValueInst *DVI) {
+ auto *N = dyn_cast<MDNode>(DVI->getVariable());
+ if (!N)
+ return;
+
+ auto *DV = dyn_cast<DILocalVariable>(N);
+ if (!DV)
+ return;
+
+ if (!NodesSeen.insert(DV).second)
+ return;
+ processScope(DV->getScope());
+ processType(DV->getType());
+}
+
+bool DebugInfoFinder::addType(DIType *DT) {
+ if (!DT)
+ return false;
+
+ if (!NodesSeen.insert(DT).second)
+ return false;
+
+ TYs.push_back(const_cast<DIType *>(DT));
+ return true;
+}
+
+bool DebugInfoFinder::addCompileUnit(DICompileUnit *CU) {
+ if (!CU)
+ return false;
+ if (!NodesSeen.insert(CU).second)
+ return false;
+
+ CUs.push_back(CU);
+ return true;
+}
+
+bool DebugInfoFinder::addGlobalVariable(DIGlobalVariableExpression *DIG) {
+ if (!NodesSeen.insert(DIG).second)
+ return false;
+
+ GVs.push_back(DIG);
+ return true;
+}
+
+bool DebugInfoFinder::addSubprogram(DISubprogram *SP) {
+ if (!SP)
+ return false;
+
+ if (!NodesSeen.insert(SP).second)
+ return false;
+
+ SPs.push_back(SP);
+ return true;
+}
+
+bool DebugInfoFinder::addScope(DIScope *Scope) {
+ if (!Scope)
+ return false;
+ // FIXME: Ocaml binding generates a scope with no content, we treat it
+ // as null for now.
+ if (Scope->getNumOperands() == 0)
+ return false;
+ if (!NodesSeen.insert(Scope).second)
+ return false;
+ Scopes.push_back(Scope);
+ return true;
+}
+
+static MDNode *stripDebugLocFromLoopID(MDNode *N) {
+ assert(!N->operands().empty() && "Missing self reference?");
+
+ // if there is no debug location, we do not have to rewrite this MDNode.
+ if (std::none_of(N->op_begin() + 1, N->op_end(), [](const MDOperand &Op) {
+ return isa<DILocation>(Op.get());
+ }))
+ return N;
+
+ // If there is only the debug location without any actual loop metadata, we
+ // can remove the metadata.
+ if (std::none_of(N->op_begin() + 1, N->op_end(), [](const MDOperand &Op) {
+ return !isa<DILocation>(Op.get());
+ }))
+ return nullptr;
+
+ SmallVector<Metadata *, 4> Args;
+ // Reserve operand 0 for loop id self reference.
+ auto TempNode = MDNode::getTemporary(N->getContext(), None);
+ Args.push_back(TempNode.get());
+ // Add all non-debug location operands back.
+ for (auto Op = N->op_begin() + 1; Op != N->op_end(); Op++) {
+ if (!isa<DILocation>(*Op))
+ Args.push_back(*Op);
+ }
+
+ // Set the first operand to itself.
+ MDNode *LoopID = MDNode::get(N->getContext(), Args);
+ LoopID->replaceOperandWith(0, LoopID);
+ return LoopID;
+}
+
+bool llvm::stripDebugInfo(Function &F) {
+ bool Changed = false;
+ if (F.hasMetadata(LLVMContext::MD_dbg)) {
+ Changed = true;
+ F.setSubprogram(nullptr);
+ }
+
+ DenseMap<MDNode*, MDNode*> LoopIDsMap;
+ for (BasicBlock &BB : F) {
+ for (auto II = BB.begin(), End = BB.end(); II != End;) {
+ Instruction &I = *II++; // We may delete the instruction, increment now.
+ if (isa<DbgInfoIntrinsic>(&I)) {
+ I.eraseFromParent();
+ Changed = true;
+ continue;
+ }
+ if (I.getDebugLoc()) {
+ Changed = true;
+ I.setDebugLoc(DebugLoc());
+ }
+ }
+
+ auto *TermInst = BB.getTerminator();
+ if (!TermInst)
+ // This is invalid IR, but we may not have run the verifier yet
+ continue;
+ if (auto *LoopID = TermInst->getMetadata(LLVMContext::MD_loop)) {
+ auto *NewLoopID = LoopIDsMap.lookup(LoopID);
+ if (!NewLoopID)
+ NewLoopID = LoopIDsMap[LoopID] = stripDebugLocFromLoopID(LoopID);
+ if (NewLoopID != LoopID)
+ TermInst->setMetadata(LLVMContext::MD_loop, NewLoopID);
+ }
+ }
+ return Changed;
+}
+
+bool llvm::StripDebugInfo(Module &M) {
+ bool Changed = false;
+
+ for (Module::named_metadata_iterator NMI = M.named_metadata_begin(),
+ NME = M.named_metadata_end(); NMI != NME;) {
+ NamedMDNode *NMD = &*NMI;
+ ++NMI;
+
+ // We're stripping debug info, and without them, coverage information
+ // doesn't quite make sense.
+ if (NMD->getName().startswith("llvm.dbg.") ||
+ NMD->getName() == "llvm.gcov") {
+ NMD->eraseFromParent();
+ Changed = true;
+ }
+ }
+
+ for (Function &F : M)
+ Changed |= stripDebugInfo(F);
+
+ for (auto &GV : M.globals()) {
+ Changed |= GV.eraseMetadata(LLVMContext::MD_dbg);
+ }
+
+ if (GVMaterializer *Materializer = M.getMaterializer())
+ Materializer->setStripDebugInfo();
+
+ return Changed;
+}
+
+namespace {
+
+/// Helper class to downgrade -g metadata to -gline-tables-only metadata.
+class DebugTypeInfoRemoval {
+ DenseMap<Metadata *, Metadata *> Replacements;
+
+public:
+ /// The (void)() type.
+ MDNode *EmptySubroutineType;
+
+private:
+ /// Remember what linkage name we originally had before stripping. If we end
+ /// up making two subprograms identical who originally had different linkage
+ /// names, then we need to make one of them distinct, to avoid them getting
+ /// uniqued. Maps the new node to the old linkage name.
+ DenseMap<DISubprogram *, StringRef> NewToLinkageName;
+
+ // TODO: Remember the distinct subprogram we created for a given linkage name,
+ // so that we can continue to unique whenever possible. Map <newly created
+ // node, old linkage name> to the first (possibly distinct) mdsubprogram
+ // created for that combination. This is not strictly needed for correctness,
+ // but can cut down on the number of MDNodes and let us diff cleanly with the
+ // output of -gline-tables-only.
+
+public:
+ DebugTypeInfoRemoval(LLVMContext &C)
+ : EmptySubroutineType(DISubroutineType::get(C, DINode::FlagZero, 0,
+ MDNode::get(C, {}))) {}
+
+ Metadata *map(Metadata *M) {
+ if (!M)
+ return nullptr;
+ auto Replacement = Replacements.find(M);
+ if (Replacement != Replacements.end())
+ return Replacement->second;
+
+ return M;
+ }
+ MDNode *mapNode(Metadata *N) { return dyn_cast_or_null<MDNode>(map(N)); }
+
+ /// Recursively remap N and all its referenced children. Does a DF post-order
+ /// traversal, so as to remap bottoms up.
+ void traverseAndRemap(MDNode *N) { traverse(N); }
+
+private:
+ // Create a new DISubprogram, to replace the one given.
+ DISubprogram *getReplacementSubprogram(DISubprogram *MDS) {
+ auto *FileAndScope = cast_or_null<DIFile>(map(MDS->getFile()));
+ StringRef LinkageName = MDS->getName().empty() ? MDS->getLinkageName() : "";
+ DISubprogram *Declaration = nullptr;
+ auto *Type = cast_or_null<DISubroutineType>(map(MDS->getType()));
+ DIType *ContainingType =
+ cast_or_null<DIType>(map(MDS->getContainingType()));
+ auto *Unit = cast_or_null<DICompileUnit>(map(MDS->getUnit()));
+ auto Variables = nullptr;
+ auto TemplateParams = nullptr;
+
+ // Make a distinct DISubprogram, for situations that warrent it.
+ auto distinctMDSubprogram = [&]() {
+ return DISubprogram::getDistinct(
+ MDS->getContext(), FileAndScope, MDS->getName(), LinkageName,
+ FileAndScope, MDS->getLine(), Type, MDS->getScopeLine(),
+ ContainingType, MDS->getVirtualIndex(), MDS->getThisAdjustment(),
+ MDS->getFlags(), MDS->getSPFlags(), Unit, TemplateParams, Declaration,
+ Variables);
+ };
+
+ if (MDS->isDistinct())
+ return distinctMDSubprogram();
+
+ auto *NewMDS = DISubprogram::get(
+ MDS->getContext(), FileAndScope, MDS->getName(), LinkageName,
+ FileAndScope, MDS->getLine(), Type, MDS->getScopeLine(), ContainingType,
+ MDS->getVirtualIndex(), MDS->getThisAdjustment(), MDS->getFlags(),
+ MDS->getSPFlags(), Unit, TemplateParams, Declaration, Variables);
+
+ StringRef OldLinkageName = MDS->getLinkageName();
+
+ // See if we need to make a distinct one.
+ auto OrigLinkage = NewToLinkageName.find(NewMDS);
+ if (OrigLinkage != NewToLinkageName.end()) {
+ if (OrigLinkage->second == OldLinkageName)
+ // We're good.
+ return NewMDS;
+
+ // Otherwise, need to make a distinct one.
+ // TODO: Query the map to see if we already have one.
+ return distinctMDSubprogram();
+ }
+
+ NewToLinkageName.insert({NewMDS, MDS->getLinkageName()});
+ return NewMDS;
+ }
+
+ /// Create a new compile unit, to replace the one given
+ DICompileUnit *getReplacementCU(DICompileUnit *CU) {
+ // Drop skeleton CUs.
+ if (CU->getDWOId())
+ return nullptr;
+
+ auto *File = cast_or_null<DIFile>(map(CU->getFile()));
+ MDTuple *EnumTypes = nullptr;
+ MDTuple *RetainedTypes = nullptr;
+ MDTuple *GlobalVariables = nullptr;
+ MDTuple *ImportedEntities = nullptr;
+ return DICompileUnit::getDistinct(
+ CU->getContext(), CU->getSourceLanguage(), File, CU->getProducer(),
+ CU->isOptimized(), CU->getFlags(), CU->getRuntimeVersion(),
+ CU->getSplitDebugFilename(), DICompileUnit::LineTablesOnly, EnumTypes,
+ RetainedTypes, GlobalVariables, ImportedEntities, CU->getMacros(),
+ CU->getDWOId(), CU->getSplitDebugInlining(),
+ CU->getDebugInfoForProfiling(), CU->getNameTableKind(),
+ CU->getRangesBaseAddress());
+ }
+
+ DILocation *getReplacementMDLocation(DILocation *MLD) {
+ auto *Scope = map(MLD->getScope());
+ auto *InlinedAt = map(MLD->getInlinedAt());
+ if (MLD->isDistinct())
+ return DILocation::getDistinct(MLD->getContext(), MLD->getLine(),
+ MLD->getColumn(), Scope, InlinedAt);
+ return DILocation::get(MLD->getContext(), MLD->getLine(), MLD->getColumn(),
+ Scope, InlinedAt);
+ }
+
+ /// Create a new generic MDNode, to replace the one given
+ MDNode *getReplacementMDNode(MDNode *N) {
+ SmallVector<Metadata *, 8> Ops;
+ Ops.reserve(N->getNumOperands());
+ for (auto &I : N->operands())
+ if (I)
+ Ops.push_back(map(I));
+ auto *Ret = MDNode::get(N->getContext(), Ops);
+ return Ret;
+ }
+
+ /// Attempt to re-map N to a newly created node.
+ void remap(MDNode *N) {
+ if (Replacements.count(N))
+ return;
+
+ auto doRemap = [&](MDNode *N) -> MDNode * {
+ if (!N)
+ return nullptr;
+ if (auto *MDSub = dyn_cast<DISubprogram>(N)) {
+ remap(MDSub->getUnit());
+ return getReplacementSubprogram(MDSub);
+ }
+ if (isa<DISubroutineType>(N))
+ return EmptySubroutineType;
+ if (auto *CU = dyn_cast<DICompileUnit>(N))
+ return getReplacementCU(CU);
+ if (isa<DIFile>(N))
+ return N;
+ if (auto *MDLB = dyn_cast<DILexicalBlockBase>(N))
+ // Remap to our referenced scope (recursively).
+ return mapNode(MDLB->getScope());
+ if (auto *MLD = dyn_cast<DILocation>(N))
+ return getReplacementMDLocation(MLD);
+
+ // Otherwise, if we see these, just drop them now. Not strictly necessary,
+ // but this speeds things up a little.
+ if (isa<DINode>(N))
+ return nullptr;
+
+ return getReplacementMDNode(N);
+ };
+ Replacements[N] = doRemap(N);
+ }
+
+ /// Do the remapping traversal.
+ void traverse(MDNode *);
+};
+
+} // end anonymous namespace
+
+void DebugTypeInfoRemoval::traverse(MDNode *N) {
+ if (!N || Replacements.count(N))
+ return;
+
+ // To avoid cycles, as well as for efficiency sake, we will sometimes prune
+ // parts of the graph.
+ auto prune = [](MDNode *Parent, MDNode *Child) {
+ if (auto *MDS = dyn_cast<DISubprogram>(Parent))
+ return Child == MDS->getRetainedNodes().get();
+ return false;
+ };
+
+ SmallVector<MDNode *, 16> ToVisit;
+ DenseSet<MDNode *> Opened;
+
+ // Visit each node starting at N in post order, and map them.
+ ToVisit.push_back(N);
+ while (!ToVisit.empty()) {
+ auto *N = ToVisit.back();
+ if (!Opened.insert(N).second) {
+ // Close it.
+ remap(N);
+ ToVisit.pop_back();
+ continue;
+ }
+ for (auto &I : N->operands())
+ if (auto *MDN = dyn_cast_or_null<MDNode>(I))
+ if (!Opened.count(MDN) && !Replacements.count(MDN) && !prune(N, MDN) &&
+ !isa<DICompileUnit>(MDN))
+ ToVisit.push_back(MDN);
+ }
+}
+
+bool llvm::stripNonLineTableDebugInfo(Module &M) {
+ bool Changed = false;
+
+ // First off, delete the debug intrinsics.
+ auto RemoveUses = [&](StringRef Name) {
+ if (auto *DbgVal = M.getFunction(Name)) {
+ while (!DbgVal->use_empty())
+ cast<Instruction>(DbgVal->user_back())->eraseFromParent();
+ DbgVal->eraseFromParent();
+ Changed = true;
+ }
+ };
+ RemoveUses("llvm.dbg.declare");
+ RemoveUses("llvm.dbg.value");
+
+ // Delete non-CU debug info named metadata nodes.
+ for (auto NMI = M.named_metadata_begin(), NME = M.named_metadata_end();
+ NMI != NME;) {
+ NamedMDNode *NMD = &*NMI;
+ ++NMI;
+ // Specifically keep dbg.cu around.
+ if (NMD->getName() == "llvm.dbg.cu")
+ continue;
+ }
+
+ // Drop all dbg attachments from global variables.
+ for (auto &GV : M.globals())
+ GV.eraseMetadata(LLVMContext::MD_dbg);
+
+ DebugTypeInfoRemoval Mapper(M.getContext());
+ auto remap = [&](MDNode *Node) -> MDNode * {
+ if (!Node)
+ return nullptr;
+ Mapper.traverseAndRemap(Node);
+ auto *NewNode = Mapper.mapNode(Node);
+ Changed |= Node != NewNode;
+ Node = NewNode;
+ return NewNode;
+ };
+
+ // Rewrite the DebugLocs to be equivalent to what
+ // -gline-tables-only would have created.
+ for (auto &F : M) {
+ if (auto *SP = F.getSubprogram()) {
+ Mapper.traverseAndRemap(SP);
+ auto *NewSP = cast<DISubprogram>(Mapper.mapNode(SP));
+ Changed |= SP != NewSP;
+ F.setSubprogram(NewSP);
+ }
+ for (auto &BB : F) {
+ for (auto &I : BB) {
+ auto remapDebugLoc = [&](DebugLoc DL) -> DebugLoc {
+ auto *Scope = DL.getScope();
+ MDNode *InlinedAt = DL.getInlinedAt();
+ Scope = remap(Scope);
+ InlinedAt = remap(InlinedAt);
+ return DebugLoc::get(DL.getLine(), DL.getCol(), Scope, InlinedAt);
+ };
+
+ if (I.getDebugLoc() != DebugLoc())
+ I.setDebugLoc(remapDebugLoc(I.getDebugLoc()));
+
+ // Remap DILocations in untyped MDNodes (e.g., llvm.loop).
+ SmallVector<std::pair<unsigned, MDNode *>, 2> MDs;
+ I.getAllMetadata(MDs);
+ for (auto Attachment : MDs)
+ if (auto *T = dyn_cast_or_null<MDTuple>(Attachment.second))
+ for (unsigned N = 0; N < T->getNumOperands(); ++N)
+ if (auto *Loc = dyn_cast_or_null<DILocation>(T->getOperand(N)))
+ if (Loc != DebugLoc())
+ T->replaceOperandWith(N, remapDebugLoc(Loc));
+ }
+ }
+ }
+
+ // Create a new llvm.dbg.cu, which is equivalent to the one
+ // -gline-tables-only would have created.
+ for (auto &NMD : M.getNamedMDList()) {
+ SmallVector<MDNode *, 8> Ops;
+ for (MDNode *Op : NMD.operands())
+ Ops.push_back(remap(Op));
+
+ if (!Changed)
+ continue;
+
+ NMD.clearOperands();
+ for (auto *Op : Ops)
+ if (Op)
+ NMD.addOperand(Op);
+ }
+ return Changed;
+}
+
+unsigned llvm::getDebugMetadataVersionFromModule(const Module &M) {
+ if (auto *Val = mdconst::dyn_extract_or_null<ConstantInt>(
+ M.getModuleFlag("Debug Info Version")))
+ return Val->getZExtValue();
+ return 0;
+}
+
+void Instruction::applyMergedLocation(const DILocation *LocA,
+ const DILocation *LocB) {
+ setDebugLoc(DILocation::getMergedLocation(LocA, LocB));
+}
+
+//===----------------------------------------------------------------------===//
+// LLVM C API implementations.
+//===----------------------------------------------------------------------===//
+
+static unsigned map_from_llvmDWARFsourcelanguage(LLVMDWARFSourceLanguage lang) {
+ switch (lang) {
+#define HANDLE_DW_LANG(ID, NAME, LOWER_BOUND, VERSION, VENDOR) \
+ case LLVMDWARFSourceLanguage##NAME: \
+ return ID;
+#include "llvm/BinaryFormat/Dwarf.def"
+#undef HANDLE_DW_LANG
+ }
+ llvm_unreachable("Unhandled Tag");
+}
+
+template <typename DIT> DIT *unwrapDI(LLVMMetadataRef Ref) {
+ return (DIT *)(Ref ? unwrap<MDNode>(Ref) : nullptr);
+}
+
+static DINode::DIFlags map_from_llvmDIFlags(LLVMDIFlags Flags) {
+ return static_cast<DINode::DIFlags>(Flags);
+}
+
+static LLVMDIFlags map_to_llvmDIFlags(DINode::DIFlags Flags) {
+ return static_cast<LLVMDIFlags>(Flags);
+}
+
+static DISubprogram::DISPFlags
+pack_into_DISPFlags(bool IsLocalToUnit, bool IsDefinition, bool IsOptimized) {
+ return DISubprogram::toSPFlags(IsLocalToUnit, IsDefinition, IsOptimized);
+}
+
+unsigned LLVMDebugMetadataVersion() {
+ return DEBUG_METADATA_VERSION;
+}
+
+LLVMDIBuilderRef LLVMCreateDIBuilderDisallowUnresolved(LLVMModuleRef M) {
+ return wrap(new DIBuilder(*unwrap(M), false));
+}
+
+LLVMDIBuilderRef LLVMCreateDIBuilder(LLVMModuleRef M) {
+ return wrap(new DIBuilder(*unwrap(M)));
+}
+
+unsigned LLVMGetModuleDebugMetadataVersion(LLVMModuleRef M) {
+ return getDebugMetadataVersionFromModule(*unwrap(M));
+}
+
+LLVMBool LLVMStripModuleDebugInfo(LLVMModuleRef M) {
+ return StripDebugInfo(*unwrap(M));
+}
+
+void LLVMDisposeDIBuilder(LLVMDIBuilderRef Builder) {
+ delete unwrap(Builder);
+}
+
+void LLVMDIBuilderFinalize(LLVMDIBuilderRef Builder) {
+ unwrap(Builder)->finalize();
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateCompileUnit(
+ LLVMDIBuilderRef Builder, LLVMDWARFSourceLanguage Lang,
+ LLVMMetadataRef FileRef, const char *Producer, size_t ProducerLen,
+ LLVMBool isOptimized, const char *Flags, size_t FlagsLen,
+ unsigned RuntimeVer, const char *SplitName, size_t SplitNameLen,
+ LLVMDWARFEmissionKind Kind, unsigned DWOId, LLVMBool SplitDebugInlining,
+ LLVMBool DebugInfoForProfiling) {
+ auto File = unwrapDI<DIFile>(FileRef);
+
+ return wrap(unwrap(Builder)->createCompileUnit(
+ map_from_llvmDWARFsourcelanguage(Lang), File,
+ StringRef(Producer, ProducerLen), isOptimized,
+ StringRef(Flags, FlagsLen), RuntimeVer,
+ StringRef(SplitName, SplitNameLen),
+ static_cast<DICompileUnit::DebugEmissionKind>(Kind), DWOId,
+ SplitDebugInlining, DebugInfoForProfiling));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateFile(LLVMDIBuilderRef Builder, const char *Filename,
+ size_t FilenameLen, const char *Directory,
+ size_t DirectoryLen) {
+ return wrap(unwrap(Builder)->createFile(StringRef(Filename, FilenameLen),
+ StringRef(Directory, DirectoryLen)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateModule(LLVMDIBuilderRef Builder, LLVMMetadataRef ParentScope,
+ const char *Name, size_t NameLen,
+ const char *ConfigMacros, size_t ConfigMacrosLen,
+ const char *IncludePath, size_t IncludePathLen,
+ const char *ISysRoot, size_t ISysRootLen) {
+ return wrap(unwrap(Builder)->createModule(
+ unwrapDI<DIScope>(ParentScope), StringRef(Name, NameLen),
+ StringRef(ConfigMacros, ConfigMacrosLen),
+ StringRef(IncludePath, IncludePathLen),
+ StringRef(ISysRoot, ISysRootLen)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateNameSpace(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef ParentScope,
+ const char *Name, size_t NameLen,
+ LLVMBool ExportSymbols) {
+ return wrap(unwrap(Builder)->createNameSpace(
+ unwrapDI<DIScope>(ParentScope), StringRef(Name, NameLen), ExportSymbols));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateFunction(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+ size_t NameLen, const char *LinkageName, size_t LinkageNameLen,
+ LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty,
+ LLVMBool IsLocalToUnit, LLVMBool IsDefinition,
+ unsigned ScopeLine, LLVMDIFlags Flags, LLVMBool IsOptimized) {
+ return wrap(unwrap(Builder)->createFunction(
+ unwrapDI<DIScope>(Scope), {Name, NameLen}, {LinkageName, LinkageNameLen},
+ unwrapDI<DIFile>(File), LineNo, unwrapDI<DISubroutineType>(Ty), ScopeLine,
+ map_from_llvmDIFlags(Flags),
+ pack_into_DISPFlags(IsLocalToUnit, IsDefinition, IsOptimized), nullptr,
+ nullptr, nullptr));
+}
+
+
+LLVMMetadataRef LLVMDIBuilderCreateLexicalBlock(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope,
+ LLVMMetadataRef File, unsigned Line, unsigned Col) {
+ return wrap(unwrap(Builder)->createLexicalBlock(unwrapDI<DIScope>(Scope),
+ unwrapDI<DIFile>(File),
+ Line, Col));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateLexicalBlockFile(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef Scope,
+ LLVMMetadataRef File,
+ unsigned Discriminator) {
+ return wrap(unwrap(Builder)->createLexicalBlockFile(unwrapDI<DIScope>(Scope),
+ unwrapDI<DIFile>(File),
+ Discriminator));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateImportedModuleFromNamespace(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef Scope,
+ LLVMMetadataRef NS,
+ LLVMMetadataRef File,
+ unsigned Line) {
+ return wrap(unwrap(Builder)->createImportedModule(unwrapDI<DIScope>(Scope),
+ unwrapDI<DINamespace>(NS),
+ unwrapDI<DIFile>(File),
+ Line));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateImportedModuleFromAlias(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef Scope,
+ LLVMMetadataRef ImportedEntity,
+ LLVMMetadataRef File,
+ unsigned Line) {
+ return wrap(unwrap(Builder)->createImportedModule(
+ unwrapDI<DIScope>(Scope),
+ unwrapDI<DIImportedEntity>(ImportedEntity),
+ unwrapDI<DIFile>(File), Line));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateImportedModuleFromModule(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef Scope,
+ LLVMMetadataRef M,
+ LLVMMetadataRef File,
+ unsigned Line) {
+ return wrap(unwrap(Builder)->createImportedModule(unwrapDI<DIScope>(Scope),
+ unwrapDI<DIModule>(M),
+ unwrapDI<DIFile>(File),
+ Line));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateImportedDeclaration(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef Scope,
+ LLVMMetadataRef Decl,
+ LLVMMetadataRef File,
+ unsigned Line,
+ const char *Name, size_t NameLen) {
+ return wrap(unwrap(Builder)->createImportedDeclaration(
+ unwrapDI<DIScope>(Scope),
+ unwrapDI<DINode>(Decl),
+ unwrapDI<DIFile>(File), Line, {Name, NameLen}));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateDebugLocation(LLVMContextRef Ctx, unsigned Line,
+ unsigned Column, LLVMMetadataRef Scope,
+ LLVMMetadataRef InlinedAt) {
+ return wrap(DILocation::get(*unwrap(Ctx), Line, Column, unwrap(Scope),
+ unwrap(InlinedAt)));
+}
+
+unsigned LLVMDILocationGetLine(LLVMMetadataRef Location) {
+ return unwrapDI<DILocation>(Location)->getLine();
+}
+
+unsigned LLVMDILocationGetColumn(LLVMMetadataRef Location) {
+ return unwrapDI<DILocation>(Location)->getColumn();
+}
+
+LLVMMetadataRef LLVMDILocationGetScope(LLVMMetadataRef Location) {
+ return wrap(unwrapDI<DILocation>(Location)->getScope());
+}
+
+LLVMMetadataRef LLVMDILocationGetInlinedAt(LLVMMetadataRef Location) {
+ return wrap(unwrapDI<DILocation>(Location)->getInlinedAt());
+}
+
+LLVMMetadataRef LLVMDIScopeGetFile(LLVMMetadataRef Scope) {
+ return wrap(unwrapDI<DIScope>(Scope)->getFile());
+}
+
+const char *LLVMDIFileGetDirectory(LLVMMetadataRef File, unsigned *Len) {
+ auto Dir = unwrapDI<DIFile>(File)->getDirectory();
+ *Len = Dir.size();
+ return Dir.data();
+}
+
+const char *LLVMDIFileGetFilename(LLVMMetadataRef File, unsigned *Len) {
+ auto Name = unwrapDI<DIFile>(File)->getFilename();
+ *Len = Name.size();
+ return Name.data();
+}
+
+const char *LLVMDIFileGetSource(LLVMMetadataRef File, unsigned *Len) {
+ if (auto Src = unwrapDI<DIFile>(File)->getSource()) {
+ *Len = Src->size();
+ return Src->data();
+ }
+ *Len = 0;
+ return "";
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateMacro(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef ParentMacroFile,
+ unsigned Line,
+ LLVMDWARFMacinfoRecordType RecordType,
+ const char *Name, size_t NameLen,
+ const char *Value, size_t ValueLen) {
+ return wrap(
+ unwrap(Builder)->createMacro(unwrapDI<DIMacroFile>(ParentMacroFile), Line,
+ static_cast<MacinfoRecordType>(RecordType),
+ {Name, NameLen}, {Value, ValueLen}));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateTempMacroFile(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef ParentMacroFile, unsigned Line,
+ LLVMMetadataRef File) {
+ return wrap(unwrap(Builder)->createTempMacroFile(
+ unwrapDI<DIMacroFile>(ParentMacroFile), Line, unwrapDI<DIFile>(File)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateEnumerator(LLVMDIBuilderRef Builder,
+ const char *Name, size_t NameLen,
+ int64_t Value,
+ LLVMBool IsUnsigned) {
+ return wrap(unwrap(Builder)->createEnumerator({Name, NameLen}, Value,
+ IsUnsigned != 0));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateEnumerationType(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+ size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
+ uint64_t SizeInBits, uint32_t AlignInBits, LLVMMetadataRef *Elements,
+ unsigned NumElements, LLVMMetadataRef ClassTy) {
+auto Elts = unwrap(Builder)->getOrCreateArray({unwrap(Elements),
+ NumElements});
+return wrap(unwrap(Builder)->createEnumerationType(
+ unwrapDI<DIScope>(Scope), {Name, NameLen}, unwrapDI<DIFile>(File),
+ LineNumber, SizeInBits, AlignInBits, Elts, unwrapDI<DIType>(ClassTy)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateUnionType(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+ size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
+ uint64_t SizeInBits, uint32_t AlignInBits, LLVMDIFlags Flags,
+ LLVMMetadataRef *Elements, unsigned NumElements, unsigned RunTimeLang,
+ const char *UniqueId, size_t UniqueIdLen) {
+ auto Elts = unwrap(Builder)->getOrCreateArray({unwrap(Elements),
+ NumElements});
+ return wrap(unwrap(Builder)->createUnionType(
+ unwrapDI<DIScope>(Scope), {Name, NameLen}, unwrapDI<DIFile>(File),
+ LineNumber, SizeInBits, AlignInBits, map_from_llvmDIFlags(Flags),
+ Elts, RunTimeLang, {UniqueId, UniqueIdLen}));
+}
+
+
+LLVMMetadataRef
+LLVMDIBuilderCreateArrayType(LLVMDIBuilderRef Builder, uint64_t Size,
+ uint32_t AlignInBits, LLVMMetadataRef Ty,
+ LLVMMetadataRef *Subscripts,
+ unsigned NumSubscripts) {
+ auto Subs = unwrap(Builder)->getOrCreateArray({unwrap(Subscripts),
+ NumSubscripts});
+ return wrap(unwrap(Builder)->createArrayType(Size, AlignInBits,
+ unwrapDI<DIType>(Ty), Subs));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateVectorType(LLVMDIBuilderRef Builder, uint64_t Size,
+ uint32_t AlignInBits, LLVMMetadataRef Ty,
+ LLVMMetadataRef *Subscripts,
+ unsigned NumSubscripts) {
+ auto Subs = unwrap(Builder)->getOrCreateArray({unwrap(Subscripts),
+ NumSubscripts});
+ return wrap(unwrap(Builder)->createVectorType(Size, AlignInBits,
+ unwrapDI<DIType>(Ty), Subs));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateBasicType(LLVMDIBuilderRef Builder, const char *Name,
+ size_t NameLen, uint64_t SizeInBits,
+ LLVMDWARFTypeEncoding Encoding,
+ LLVMDIFlags Flags) {
+ return wrap(unwrap(Builder)->createBasicType({Name, NameLen},
+ SizeInBits, Encoding,
+ map_from_llvmDIFlags(Flags)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreatePointerType(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef PointeeTy,
+ uint64_t SizeInBits, uint32_t AlignInBits, unsigned AddressSpace,
+ const char *Name, size_t NameLen) {
+ return wrap(unwrap(Builder)->createPointerType(unwrapDI<DIType>(PointeeTy),
+ SizeInBits, AlignInBits,
+ AddressSpace, {Name, NameLen}));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateStructType(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+ size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
+ uint64_t SizeInBits, uint32_t AlignInBits, LLVMDIFlags Flags,
+ LLVMMetadataRef DerivedFrom, LLVMMetadataRef *Elements,
+ unsigned NumElements, unsigned RunTimeLang, LLVMMetadataRef VTableHolder,
+ const char *UniqueId, size_t UniqueIdLen) {
+ auto Elts = unwrap(Builder)->getOrCreateArray({unwrap(Elements),
+ NumElements});
+ return wrap(unwrap(Builder)->createStructType(
+ unwrapDI<DIScope>(Scope), {Name, NameLen}, unwrapDI<DIFile>(File),
+ LineNumber, SizeInBits, AlignInBits, map_from_llvmDIFlags(Flags),
+ unwrapDI<DIType>(DerivedFrom), Elts, RunTimeLang,
+ unwrapDI<DIType>(VTableHolder), {UniqueId, UniqueIdLen}));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateMemberType(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+ size_t NameLen, LLVMMetadataRef File, unsigned LineNo, uint64_t SizeInBits,
+ uint32_t AlignInBits, uint64_t OffsetInBits, LLVMDIFlags Flags,
+ LLVMMetadataRef Ty) {
+ return wrap(unwrap(Builder)->createMemberType(unwrapDI<DIScope>(Scope),
+ {Name, NameLen}, unwrapDI<DIFile>(File), LineNo, SizeInBits, AlignInBits,
+ OffsetInBits, map_from_llvmDIFlags(Flags), unwrapDI<DIType>(Ty)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateUnspecifiedType(LLVMDIBuilderRef Builder, const char *Name,
+ size_t NameLen) {
+ return wrap(unwrap(Builder)->createUnspecifiedType({Name, NameLen}));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateStaticMemberType(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+ size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
+ LLVMMetadataRef Type, LLVMDIFlags Flags, LLVMValueRef ConstantVal,
+ uint32_t AlignInBits) {
+ return wrap(unwrap(Builder)->createStaticMemberType(
+ unwrapDI<DIScope>(Scope), {Name, NameLen},
+ unwrapDI<DIFile>(File), LineNumber, unwrapDI<DIType>(Type),
+ map_from_llvmDIFlags(Flags), unwrap<Constant>(ConstantVal),
+ AlignInBits));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateObjCIVar(LLVMDIBuilderRef Builder,
+ const char *Name, size_t NameLen,
+ LLVMMetadataRef File, unsigned LineNo,
+ uint64_t SizeInBits, uint32_t AlignInBits,
+ uint64_t OffsetInBits, LLVMDIFlags Flags,
+ LLVMMetadataRef Ty, LLVMMetadataRef PropertyNode) {
+ return wrap(unwrap(Builder)->createObjCIVar(
+ {Name, NameLen}, unwrapDI<DIFile>(File), LineNo,
+ SizeInBits, AlignInBits, OffsetInBits,
+ map_from_llvmDIFlags(Flags), unwrapDI<DIType>(Ty),
+ unwrapDI<MDNode>(PropertyNode)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateObjCProperty(LLVMDIBuilderRef Builder,
+ const char *Name, size_t NameLen,
+ LLVMMetadataRef File, unsigned LineNo,
+ const char *GetterName, size_t GetterNameLen,
+ const char *SetterName, size_t SetterNameLen,
+ unsigned PropertyAttributes,
+ LLVMMetadataRef Ty) {
+ return wrap(unwrap(Builder)->createObjCProperty(
+ {Name, NameLen}, unwrapDI<DIFile>(File), LineNo,
+ {GetterName, GetterNameLen}, {SetterName, SetterNameLen},
+ PropertyAttributes, unwrapDI<DIType>(Ty)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateObjectPointerType(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef Type) {
+ return wrap(unwrap(Builder)->createObjectPointerType(unwrapDI<DIType>(Type)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateTypedef(LLVMDIBuilderRef Builder, LLVMMetadataRef Type,
+ const char *Name, size_t NameLen,
+ LLVMMetadataRef File, unsigned LineNo,
+ LLVMMetadataRef Scope) {
+ return wrap(unwrap(Builder)->createTypedef(
+ unwrapDI<DIType>(Type), {Name, NameLen},
+ unwrapDI<DIFile>(File), LineNo,
+ unwrapDI<DIScope>(Scope)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateInheritance(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef Ty, LLVMMetadataRef BaseTy,
+ uint64_t BaseOffset, uint32_t VBPtrOffset,
+ LLVMDIFlags Flags) {
+ return wrap(unwrap(Builder)->createInheritance(
+ unwrapDI<DIType>(Ty), unwrapDI<DIType>(BaseTy),
+ BaseOffset, VBPtrOffset, map_from_llvmDIFlags(Flags)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateForwardDecl(
+ LLVMDIBuilderRef Builder, unsigned Tag, const char *Name,
+ size_t NameLen, LLVMMetadataRef Scope, LLVMMetadataRef File, unsigned Line,
+ unsigned RuntimeLang, uint64_t SizeInBits, uint32_t AlignInBits,
+ const char *UniqueIdentifier, size_t UniqueIdentifierLen) {
+ return wrap(unwrap(Builder)->createForwardDecl(
+ Tag, {Name, NameLen}, unwrapDI<DIScope>(Scope),
+ unwrapDI<DIFile>(File), Line, RuntimeLang, SizeInBits,
+ AlignInBits, {UniqueIdentifier, UniqueIdentifierLen}));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateReplaceableCompositeType(
+ LLVMDIBuilderRef Builder, unsigned Tag, const char *Name,
+ size_t NameLen, LLVMMetadataRef Scope, LLVMMetadataRef File, unsigned Line,
+ unsigned RuntimeLang, uint64_t SizeInBits, uint32_t AlignInBits,
+ LLVMDIFlags Flags, const char *UniqueIdentifier,
+ size_t UniqueIdentifierLen) {
+ return wrap(unwrap(Builder)->createReplaceableCompositeType(
+ Tag, {Name, NameLen}, unwrapDI<DIScope>(Scope),
+ unwrapDI<DIFile>(File), Line, RuntimeLang, SizeInBits,
+ AlignInBits, map_from_llvmDIFlags(Flags),
+ {UniqueIdentifier, UniqueIdentifierLen}));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateQualifiedType(LLVMDIBuilderRef Builder, unsigned Tag,
+ LLVMMetadataRef Type) {
+ return wrap(unwrap(Builder)->createQualifiedType(Tag,
+ unwrapDI<DIType>(Type)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateReferenceType(LLVMDIBuilderRef Builder, unsigned Tag,
+ LLVMMetadataRef Type) {
+ return wrap(unwrap(Builder)->createReferenceType(Tag,
+ unwrapDI<DIType>(Type)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateNullPtrType(LLVMDIBuilderRef Builder) {
+ return wrap(unwrap(Builder)->createNullPtrType());
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateMemberPointerType(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef PointeeType,
+ LLVMMetadataRef ClassType,
+ uint64_t SizeInBits,
+ uint32_t AlignInBits,
+ LLVMDIFlags Flags) {
+ return wrap(unwrap(Builder)->createMemberPointerType(
+ unwrapDI<DIType>(PointeeType),
+ unwrapDI<DIType>(ClassType), AlignInBits, SizeInBits,
+ map_from_llvmDIFlags(Flags)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateBitFieldMemberType(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef Scope,
+ const char *Name, size_t NameLen,
+ LLVMMetadataRef File, unsigned LineNumber,
+ uint64_t SizeInBits,
+ uint64_t OffsetInBits,
+ uint64_t StorageOffsetInBits,
+ LLVMDIFlags Flags, LLVMMetadataRef Type) {
+ return wrap(unwrap(Builder)->createBitFieldMemberType(
+ unwrapDI<DIScope>(Scope), {Name, NameLen},
+ unwrapDI<DIFile>(File), LineNumber,
+ SizeInBits, OffsetInBits, StorageOffsetInBits,
+ map_from_llvmDIFlags(Flags), unwrapDI<DIType>(Type)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateClassType(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef Scope, const char *Name, size_t NameLen,
+ LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
+ uint32_t AlignInBits, uint64_t OffsetInBits, LLVMDIFlags Flags,
+ LLVMMetadataRef DerivedFrom,
+ LLVMMetadataRef *Elements, unsigned NumElements,
+ LLVMMetadataRef VTableHolder, LLVMMetadataRef TemplateParamsNode,
+ const char *UniqueIdentifier, size_t UniqueIdentifierLen) {
+ auto Elts = unwrap(Builder)->getOrCreateArray({unwrap(Elements),
+ NumElements});
+ return wrap(unwrap(Builder)->createClassType(
+ unwrapDI<DIScope>(Scope), {Name, NameLen},
+ unwrapDI<DIFile>(File), LineNumber,
+ SizeInBits, AlignInBits, OffsetInBits,
+ map_from_llvmDIFlags(Flags), unwrapDI<DIType>(DerivedFrom),
+ Elts, unwrapDI<DIType>(VTableHolder),
+ unwrapDI<MDNode>(TemplateParamsNode),
+ {UniqueIdentifier, UniqueIdentifierLen}));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateArtificialType(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef Type) {
+ return wrap(unwrap(Builder)->createArtificialType(unwrapDI<DIType>(Type)));
+}
+
+const char *LLVMDITypeGetName(LLVMMetadataRef DType, size_t *Length) {
+ StringRef Str = unwrap<DIType>(DType)->getName();
+ *Length = Str.size();
+ return Str.data();
+}
+
+uint64_t LLVMDITypeGetSizeInBits(LLVMMetadataRef DType) {
+ return unwrapDI<DIType>(DType)->getSizeInBits();
+}
+
+uint64_t LLVMDITypeGetOffsetInBits(LLVMMetadataRef DType) {
+ return unwrapDI<DIType>(DType)->getOffsetInBits();
+}
+
+uint32_t LLVMDITypeGetAlignInBits(LLVMMetadataRef DType) {
+ return unwrapDI<DIType>(DType)->getAlignInBits();
+}
+
+unsigned LLVMDITypeGetLine(LLVMMetadataRef DType) {
+ return unwrapDI<DIType>(DType)->getLine();
+}
+
+LLVMDIFlags LLVMDITypeGetFlags(LLVMMetadataRef DType) {
+ return map_to_llvmDIFlags(unwrapDI<DIType>(DType)->getFlags());
+}
+
+LLVMMetadataRef LLVMDIBuilderGetOrCreateTypeArray(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef *Types,
+ size_t Length) {
+ return wrap(
+ unwrap(Builder)->getOrCreateTypeArray({unwrap(Types), Length}).get());
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateSubroutineType(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef File,
+ LLVMMetadataRef *ParameterTypes,
+ unsigned NumParameterTypes,
+ LLVMDIFlags Flags) {
+ auto Elts = unwrap(Builder)->getOrCreateTypeArray({unwrap(ParameterTypes),
+ NumParameterTypes});
+ return wrap(unwrap(Builder)->createSubroutineType(
+ Elts, map_from_llvmDIFlags(Flags)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateExpression(LLVMDIBuilderRef Builder,
+ int64_t *Addr, size_t Length) {
+ return wrap(unwrap(Builder)->createExpression(ArrayRef<int64_t>(Addr,
+ Length)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateConstantValueExpression(LLVMDIBuilderRef Builder,
+ int64_t Value) {
+ return wrap(unwrap(Builder)->createConstantValueExpression(Value));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateGlobalVariableExpression(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+ size_t NameLen, const char *Linkage, size_t LinkLen, LLVMMetadataRef File,
+ unsigned LineNo, LLVMMetadataRef Ty, LLVMBool LocalToUnit,
+ LLVMMetadataRef Expr, LLVMMetadataRef Decl, uint32_t AlignInBits) {
+ return wrap(unwrap(Builder)->createGlobalVariableExpression(
+ unwrapDI<DIScope>(Scope), {Name, NameLen}, {Linkage, LinkLen},
+ unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), LocalToUnit,
+ unwrap<DIExpression>(Expr), unwrapDI<MDNode>(Decl),
+ nullptr, AlignInBits));
+}
+
+LLVMMetadataRef LLVMDIGlobalVariableExpressionGetVariable(LLVMMetadataRef GVE) {
+ return wrap(unwrapDI<DIGlobalVariableExpression>(GVE)->getVariable());
+}
+
+LLVMMetadataRef LLVMDIGlobalVariableExpressionGetExpression(
+ LLVMMetadataRef GVE) {
+ return wrap(unwrapDI<DIGlobalVariableExpression>(GVE)->getExpression());
+}
+
+LLVMMetadataRef LLVMDIVariableGetFile(LLVMMetadataRef Var) {
+ return wrap(unwrapDI<DIVariable>(Var)->getFile());
+}
+
+LLVMMetadataRef LLVMDIVariableGetScope(LLVMMetadataRef Var) {
+ return wrap(unwrapDI<DIVariable>(Var)->getScope());
+}
+
+unsigned LLVMDIVariableGetLine(LLVMMetadataRef Var) {
+ return unwrapDI<DIVariable>(Var)->getLine();
+}
+
+LLVMMetadataRef LLVMTemporaryMDNode(LLVMContextRef Ctx, LLVMMetadataRef *Data,
+ size_t Count) {
+ return wrap(
+ MDTuple::getTemporary(*unwrap(Ctx), {unwrap(Data), Count}).release());
+}
+
+void LLVMDisposeTemporaryMDNode(LLVMMetadataRef TempNode) {
+ MDNode::deleteTemporary(unwrapDI<MDNode>(TempNode));
+}
+
+void LLVMMetadataReplaceAllUsesWith(LLVMMetadataRef TargetMetadata,
+ LLVMMetadataRef Replacement) {
+ auto *Node = unwrapDI<MDNode>(TargetMetadata);
+ Node->replaceAllUsesWith(unwrap<Metadata>(Replacement));
+ MDNode::deleteTemporary(Node);
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateTempGlobalVariableFwdDecl(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+ size_t NameLen, const char *Linkage, size_t LnkLen, LLVMMetadataRef File,
+ unsigned LineNo, LLVMMetadataRef Ty, LLVMBool LocalToUnit,
+ LLVMMetadataRef Decl, uint32_t AlignInBits) {
+ return wrap(unwrap(Builder)->createTempGlobalVariableFwdDecl(
+ unwrapDI<DIScope>(Scope), {Name, NameLen}, {Linkage, LnkLen},
+ unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), LocalToUnit,
+ unwrapDI<MDNode>(Decl), nullptr, AlignInBits));
+}
+
+LLVMValueRef
+LLVMDIBuilderInsertDeclareBefore(LLVMDIBuilderRef Builder, LLVMValueRef Storage,
+ LLVMMetadataRef VarInfo, LLVMMetadataRef Expr,
+ LLVMMetadataRef DL, LLVMValueRef Instr) {
+ return wrap(unwrap(Builder)->insertDeclare(
+ unwrap(Storage), unwrap<DILocalVariable>(VarInfo),
+ unwrap<DIExpression>(Expr), unwrap<DILocation>(DL),
+ unwrap<Instruction>(Instr)));
+}
+
+LLVMValueRef LLVMDIBuilderInsertDeclareAtEnd(
+ LLVMDIBuilderRef Builder, LLVMValueRef Storage, LLVMMetadataRef VarInfo,
+ LLVMMetadataRef Expr, LLVMMetadataRef DL, LLVMBasicBlockRef Block) {
+ return wrap(unwrap(Builder)->insertDeclare(
+ unwrap(Storage), unwrap<DILocalVariable>(VarInfo),
+ unwrap<DIExpression>(Expr), unwrap<DILocation>(DL),
+ unwrap(Block)));
+}
+
+LLVMValueRef LLVMDIBuilderInsertDbgValueBefore(LLVMDIBuilderRef Builder,
+ LLVMValueRef Val,
+ LLVMMetadataRef VarInfo,
+ LLVMMetadataRef Expr,
+ LLVMMetadataRef DebugLoc,
+ LLVMValueRef Instr) {
+ return wrap(unwrap(Builder)->insertDbgValueIntrinsic(
+ unwrap(Val), unwrap<DILocalVariable>(VarInfo),
+ unwrap<DIExpression>(Expr), unwrap<DILocation>(DebugLoc),
+ unwrap<Instruction>(Instr)));
+}
+
+LLVMValueRef LLVMDIBuilderInsertDbgValueAtEnd(LLVMDIBuilderRef Builder,
+ LLVMValueRef Val,
+ LLVMMetadataRef VarInfo,
+ LLVMMetadataRef Expr,
+ LLVMMetadataRef DebugLoc,
+ LLVMBasicBlockRef Block) {
+ return wrap(unwrap(Builder)->insertDbgValueIntrinsic(
+ unwrap(Val), unwrap<DILocalVariable>(VarInfo),
+ unwrap<DIExpression>(Expr), unwrap<DILocation>(DebugLoc),
+ unwrap(Block)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateAutoVariable(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+ size_t NameLen, LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty,
+ LLVMBool AlwaysPreserve, LLVMDIFlags Flags, uint32_t AlignInBits) {
+ return wrap(unwrap(Builder)->createAutoVariable(
+ unwrap<DIScope>(Scope), {Name, NameLen}, unwrap<DIFile>(File),
+ LineNo, unwrap<DIType>(Ty), AlwaysPreserve,
+ map_from_llvmDIFlags(Flags), AlignInBits));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateParameterVariable(
+ LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+ size_t NameLen, unsigned ArgNo, LLVMMetadataRef File, unsigned LineNo,
+ LLVMMetadataRef Ty, LLVMBool AlwaysPreserve, LLVMDIFlags Flags) {
+ return wrap(unwrap(Builder)->createParameterVariable(
+ unwrap<DIScope>(Scope), {Name, NameLen}, ArgNo, unwrap<DIFile>(File),
+ LineNo, unwrap<DIType>(Ty), AlwaysPreserve,
+ map_from_llvmDIFlags(Flags)));
+}
+
+LLVMMetadataRef LLVMDIBuilderGetOrCreateSubrange(LLVMDIBuilderRef Builder,
+ int64_t Lo, int64_t Count) {
+ return wrap(unwrap(Builder)->getOrCreateSubrange(Lo, Count));
+}
+
+LLVMMetadataRef LLVMDIBuilderGetOrCreateArray(LLVMDIBuilderRef Builder,
+ LLVMMetadataRef *Data,
+ size_t Length) {
+ Metadata **DataValue = unwrap(Data);
+ return wrap(unwrap(Builder)->getOrCreateArray({DataValue, Length}).get());
+}
+
+LLVMMetadataRef LLVMGetSubprogram(LLVMValueRef Func) {
+ return wrap(unwrap<Function>(Func)->getSubprogram());
+}
+
+void LLVMSetSubprogram(LLVMValueRef Func, LLVMMetadataRef SP) {
+ unwrap<Function>(Func)->setSubprogram(unwrap<DISubprogram>(SP));
+}
+
+unsigned LLVMDISubprogramGetLine(LLVMMetadataRef Subprogram) {
+ return unwrapDI<DISubprogram>(Subprogram)->getLine();
+}
+
+LLVMMetadataRef LLVMInstructionGetDebugLoc(LLVMValueRef Inst) {
+ return wrap(unwrap<Instruction>(Inst)->getDebugLoc().getAsMDNode());
+}
+
+void LLVMInstructionSetDebugLoc(LLVMValueRef Inst, LLVMMetadataRef Loc) {
+ if (Loc)
+ unwrap<Instruction>(Inst)->setDebugLoc(DebugLoc(unwrap<MDNode>(Loc)));
+ else
+ unwrap<Instruction>(Inst)->setDebugLoc(DebugLoc());
+}
+
+LLVMMetadataKind LLVMGetMetadataKind(LLVMMetadataRef Metadata) {
+ switch(unwrap(Metadata)->getMetadataID()) {
+#define HANDLE_METADATA_LEAF(CLASS) \
+ case Metadata::CLASS##Kind: \
+ return (LLVMMetadataKind)LLVM##CLASS##MetadataKind;
+#include "llvm/IR/Metadata.def"
+ default:
+ return (LLVMMetadataKind)LLVMGenericDINodeMetadataKind;
+ }
+}