X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FIR%2FDebugInfo.cpp;h=2e161c2ba6c12a332bbbf87edf05dae793e868a0;hb=872808e946f3f8be1b30a6672697c2ba8e12f9e1;hp=d7f5f6396aa8e7a708b405b8951037e7eb15a38c;hpb=8ca57e685e7452487232c6e12c2e9a76ee3f4638;p=oota-llvm.git

diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index d7f5f6396aa..2e161c2ba6c 100644
--- a/lib/IR/DebugInfo.cpp
+++ b/lib/IR/DebugInfo.cpp
@@ -33,65 +33,13 @@
 using namespace llvm;
 using namespace llvm::dwarf;
 
-//===----------------------------------------------------------------------===//
-// Simple Descriptor Constructors and other Methods
-//===----------------------------------------------------------------------===//
-
-DIScopeRef DIScope::getRef() const { return MDScopeRef::get(get()); }
-
-bool DIVariable::isInlinedFnArgument(const Function *CurFn) {
-  assert(CurFn && "Invalid function");
-  DISubprogram SP = dyn_cast<MDSubprogram>(getContext());
-  if (!SP)
-    return false;
-  // This variable is not inlined function argument if its scope
-  // does not describe current function.
-  return !SP.describes(CurFn);
-}
-
-GlobalVariable *DIGlobalVariable::getGlobal() const {
-  return dyn_cast_or_null<GlobalVariable>(getConstant());
-}
-
-void DICompileUnit::replaceSubprograms(DIArray Subprograms) {
-  get()->replaceSubprograms(MDSubprogramArray(Subprograms));
-}
-
-void DICompileUnit::replaceGlobalVariables(DIArray GlobalVariables) {
-  get()->replaceGlobalVariables(MDGlobalVariableArray(GlobalVariables));
-}
-
-DILocation DILocation::copyWithNewScope(LLVMContext &Ctx,
-                                        DILexicalBlockFile NewScope) {
-  assert(NewScope && "Expected valid scope");
-
-  const auto *Old = cast<MDLocation>(DbgNode);
-  return DILocation(MDLocation::get(Ctx, Old->getLine(), Old->getColumn(),
-                                    NewScope, Old->getInlinedAt()));
-}
-
-unsigned DILocation::computeNewDiscriminator(LLVMContext &Ctx) {
-  std::pair<const char *, unsigned> Key(getFilename().data(), getLineNumber());
-  return ++Ctx.pImpl->DiscriminatorTable[Key];
-}
-
-DIVariable llvm::createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
-                                       LLVMContext &VMContext) {
-  return cast<MDLocalVariable>(DV)
-      ->withInline(cast_or_null<MDLocation>(InlinedScope));
-}
-
-DIVariable llvm::cleanseInlinedVariable(MDNode *DV, LLVMContext &VMContext) {
-  return cast<MDLocalVariable>(DV)->withoutInline();
-}
-
-DISubprogram llvm::getDISubprogram(const MDNode *Scope) {
-  if (auto *LocalScope = dyn_cast_or_null<MDLocalScope>(Scope))
+DISubprogram *llvm::getDISubprogram(const MDNode *Scope) {
+  if (auto *LocalScope = dyn_cast_or_null<DILocalScope>(Scope))
     return LocalScope->getSubprogram();
   return nullptr;
 }
 
-DISubprogram llvm::getDISubprogram(const Function *F) {
+DISubprogram *llvm::getDISubprogram(const Function *F) {
   // We look for the first instr that has a debug annotation leading back to F.
   for (auto &BB : *F) {
     auto Inst = std::find_if(BB.begin(), BB.end(), [](const Instruction &Inst) {
@@ -101,24 +49,23 @@ DISubprogram llvm::getDISubprogram(const Function *F) {
       continue;
     DebugLoc DLoc = Inst->getDebugLoc();
     const MDNode *Scope = DLoc.getInlinedAtScope();
-    DISubprogram Subprogram = getDISubprogram(Scope);
-    return Subprogram.describes(F) ? Subprogram : DISubprogram();
+    auto *Subprogram = getDISubprogram(Scope);
+    return Subprogram->describes(F) ? Subprogram : nullptr;
   }
 
-  return DISubprogram();
+  return nullptr;
 }
 
-DICompositeType llvm::getDICompositeType(DIType T) {
-  if (auto *C = dyn_cast_or_null<MDCompositeTypeBase>(T))
+DICompositeTypeBase *llvm::getDICompositeType(DIType *T) {
+  if (auto *C = dyn_cast_or_null<DICompositeTypeBase>(T))
     return C;
 
-  if (auto *D = dyn_cast_or_null<MDDerivedTypeBase>(T)) {
+  if (auto *D = dyn_cast_or_null<DIDerivedTypeBase>(T)) {
     // This function is currently used by dragonegg and dragonegg does
     // not generate identifier for types, so using an empty map to resolve
     // DerivedFrom should be fine.
     DITypeIdentifierMap EmptyMap;
-    return getDICompositeType(
-        DIDerivedType(D).getTypeDerivedFrom().resolve(EmptyMap));
+    return getDICompositeType(D->getBaseType().resolve(EmptyMap));
   }
 
   return nullptr;
@@ -128,20 +75,20 @@ DITypeIdentifierMap
 llvm::generateDITypeIdentifierMap(const NamedMDNode *CU_Nodes) {
   DITypeIdentifierMap Map;
   for (unsigned CUi = 0, CUe = CU_Nodes->getNumOperands(); CUi != CUe; ++CUi) {
-    DICompileUnit CU = cast<MDCompileUnit>(CU_Nodes->getOperand(CUi));
-    DIArray Retain = CU.getRetainedTypes();
+    auto *CU = cast<DICompileUnit>(CU_Nodes->getOperand(CUi));
+    DINodeArray Retain = CU->getRetainedTypes();
     for (unsigned Ti = 0, Te = Retain.size(); Ti != Te; ++Ti) {
-      if (!isa<MDCompositeType>(Retain[Ti]))
+      if (!isa<DICompositeType>(Retain[Ti]))
         continue;
-      DICompositeType Ty = cast<MDCompositeType>(Retain[Ti]);
-      if (MDString *TypeId = Ty.getIdentifier()) {
+      auto *Ty = cast<DICompositeType>(Retain[Ti]);
+      if (MDString *TypeId = Ty->getRawIdentifier()) {
         // Definition has priority over declaration.
         // Try to insert (TypeId, Ty) to Map.
         std::pair<DITypeIdentifierMap::iterator, bool> P =
             Map.insert(std::make_pair(TypeId, Ty));
         // If TypeId already exists in Map and this is a definition, replace
         // whatever we had (declaration or definition) with the definition.
-        if (!P.second && !Ty.isForwardDecl())
+        if (!P.second && !Ty->isForwardDecl())
           P.first->second = Ty;
       }
     }
@@ -176,12 +123,12 @@ void DebugInfoFinder::processModule(const Module &M) {
   InitializeTypeMap(M);
   if (NamedMDNode *CU_Nodes = M.getNamedMetadata("llvm.dbg.cu")) {
     for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
-      DICompileUnit CU = cast<MDCompileUnit>(CU_Nodes->getOperand(i));
+      auto *CU = cast<DICompileUnit>(CU_Nodes->getOperand(i));
       addCompileUnit(CU);
-      for (DIGlobalVariable DIG : CU->getGlobalVariables()) {
+      for (auto *DIG : CU->getGlobalVariables()) {
         if (addGlobalVariable(DIG)) {
-          processScope(DIG.getContext());
-          processType(DIG.getType().resolve(TypeIdentifierMap));
+          processScope(DIG->getScope());
+          processType(DIG->getType().resolve(TypeIdentifierMap));
         }
       }
       for (auto *SP : CU->getSubprograms())
@@ -190,134 +137,132 @@ void DebugInfoFinder::processModule(const Module &M) {
         processType(ET);
       for (auto *RT : CU->getRetainedTypes())
         processType(RT);
-      for (DIImportedEntity Import : CU->getImportedEntities()) {
-        DIDescriptor Entity = Import.getEntity().resolve(TypeIdentifierMap);
-        if (auto *T = dyn_cast<MDType>(Entity))
+      for (auto *Import : CU->getImportedEntities()) {
+        auto *Entity = Import->getEntity().resolve(TypeIdentifierMap);
+        if (auto *T = dyn_cast<DIType>(Entity))
           processType(T);
-        else if (auto *SP = dyn_cast<MDSubprogram>(Entity))
+        else if (auto *SP = dyn_cast<DISubprogram>(Entity))
           processSubprogram(SP);
-        else if (auto *NS = dyn_cast<MDNamespace>(Entity))
+        else if (auto *NS = dyn_cast<DINamespace>(Entity))
           processScope(NS->getScope());
       }
     }
   }
 }
 
-void DebugInfoFinder::processLocation(const Module &M, DILocation Loc) {
+void DebugInfoFinder::processLocation(const Module &M, const DILocation *Loc) {
   if (!Loc)
     return;
   InitializeTypeMap(M);
-  processScope(Loc.getScope());
-  processLocation(M, Loc.getOrigLocation());
+  processScope(Loc->getScope());
+  processLocation(M, Loc->getInlinedAt());
 }
 
-void DebugInfoFinder::processType(DIType DT) {
+void DebugInfoFinder::processType(DIType *DT) {
   if (!addType(DT))
     return;
-  processScope(DT.getContext().resolve(TypeIdentifierMap));
-  if (DICompositeType DCT = dyn_cast<MDCompositeTypeBase>(DT)) {
-    processType(DCT.getTypeDerivedFrom().resolve(TypeIdentifierMap));
-    if (DISubroutineType ST = dyn_cast<MDSubroutineType>(DCT)) {
-      for (MDTypeRef Ref : ST->getTypeArray())
+  processScope(DT->getScope().resolve(TypeIdentifierMap));
+  if (auto *DCT = dyn_cast<DICompositeTypeBase>(DT)) {
+    processType(DCT->getBaseType().resolve(TypeIdentifierMap));
+    if (auto *ST = dyn_cast<DISubroutineType>(DCT)) {
+      for (DITypeRef Ref : ST->getTypeArray())
         processType(Ref.resolve(TypeIdentifierMap));
       return;
     }
-    for (Metadata *D : DCT->getElements()->operands()) {
-      if (DIType T = dyn_cast<MDType>(D))
+    for (Metadata *D : DCT->getElements()) {
+      if (auto *T = dyn_cast<DIType>(D))
         processType(T);
-      else if (DISubprogram SP = dyn_cast<MDSubprogram>(D))
+      else if (auto *SP = dyn_cast<DISubprogram>(D))
         processSubprogram(SP);
     }
-  } else if (DIDerivedType DDT = dyn_cast<MDDerivedTypeBase>(DT)) {
-    processType(DDT.getTypeDerivedFrom().resolve(TypeIdentifierMap));
+  } else if (auto *DDT = dyn_cast<DIDerivedTypeBase>(DT)) {
+    processType(DDT->getBaseType().resolve(TypeIdentifierMap));
   }
 }
 
-void DebugInfoFinder::processScope(DIScope Scope) {
+void DebugInfoFinder::processScope(DIScope *Scope) {
   if (!Scope)
     return;
-  if (DIType Ty = dyn_cast<MDType>(Scope)) {
+  if (auto *Ty = dyn_cast<DIType>(Scope)) {
     processType(Ty);
     return;
   }
-  if (DICompileUnit CU = dyn_cast<MDCompileUnit>(Scope)) {
+  if (auto *CU = dyn_cast<DICompileUnit>(Scope)) {
     addCompileUnit(CU);
     return;
   }
-  if (DISubprogram SP = dyn_cast<MDSubprogram>(Scope)) {
+  if (auto *SP = dyn_cast<DISubprogram>(Scope)) {
     processSubprogram(SP);
     return;
   }
   if (!addScope(Scope))
     return;
-  if (DILexicalBlock LB = dyn_cast<MDLexicalBlockBase>(Scope)) {
-    processScope(LB.getContext());
-  } else if (DINameSpace NS = dyn_cast<MDNamespace>(Scope)) {
-    processScope(NS.getContext());
+  if (auto *LB = dyn_cast<DILexicalBlockBase>(Scope)) {
+    processScope(LB->getScope());
+  } else if (auto *NS = dyn_cast<DINamespace>(Scope)) {
+    processScope(NS->getScope());
   }
 }
 
-void DebugInfoFinder::processSubprogram(DISubprogram SP) {
+void DebugInfoFinder::processSubprogram(DISubprogram *SP) {
   if (!addSubprogram(SP))
     return;
-  processScope(SP.getContext().resolve(TypeIdentifierMap));
-  processType(SP.getType());
-  for (auto *Element : SP.getTemplateParams()) {
-    if (DITemplateTypeParameter TType =
-            dyn_cast<MDTemplateTypeParameter>(Element)) {
-      processType(TType.getType().resolve(TypeIdentifierMap));
-    } else if (DITemplateValueParameter TVal =
-                   dyn_cast<MDTemplateValueParameter>(Element)) {
-      processType(TVal.getType().resolve(TypeIdentifierMap));
+  processScope(SP->getScope().resolve(TypeIdentifierMap));
+  processType(SP->getType());
+  for (auto *Element : SP->getTemplateParams()) {
+    if (auto *TType = dyn_cast<DITemplateTypeParameter>(Element)) {
+      processType(TType->getType().resolve(TypeIdentifierMap));
+    } else if (auto *TVal = dyn_cast<DITemplateValueParameter>(Element)) {
+      processType(TVal->getType().resolve(TypeIdentifierMap));
     }
   }
 }
 
 void DebugInfoFinder::processDeclare(const Module &M,
                                      const DbgDeclareInst *DDI) {
-  MDNode *N = dyn_cast<MDNode>(DDI->getVariable());
+  auto *N = dyn_cast<MDNode>(DDI->getVariable());
   if (!N)
     return;
   InitializeTypeMap(M);
 
-  DIVariable DV = dyn_cast<MDLocalVariable>(N);
+  auto *DV = dyn_cast<DILocalVariable>(N);
   if (!DV)
     return;
 
   if (!NodesSeen.insert(DV).second)
     return;
-  processScope(DV.getContext());
-  processType(DV.getType().resolve(TypeIdentifierMap));
+  processScope(DV->getScope());
+  processType(DV->getType().resolve(TypeIdentifierMap));
 }
 
 void DebugInfoFinder::processValue(const Module &M, const DbgValueInst *DVI) {
-  MDNode *N = dyn_cast<MDNode>(DVI->getVariable());
+  auto *N = dyn_cast<MDNode>(DVI->getVariable());
   if (!N)
     return;
   InitializeTypeMap(M);
 
-  DIVariable DV = dyn_cast<MDLocalVariable>(N);
+  auto *DV = dyn_cast<DILocalVariable>(N);
   if (!DV)
     return;
 
   if (!NodesSeen.insert(DV).second)
     return;
-  processScope(DV.getContext());
-  processType(DV.getType().resolve(TypeIdentifierMap));
+  processScope(DV->getScope());
+  processType(DV->getType().resolve(TypeIdentifierMap));
 }
 
-bool DebugInfoFinder::addType(DIType DT) {
+bool DebugInfoFinder::addType(DIType *DT) {
   if (!DT)
     return false;
 
   if (!NodesSeen.insert(DT).second)
     return false;
 
-  TYs.push_back(DT);
+  TYs.push_back(const_cast<DIType *>(DT));
   return true;
 }
 
-bool DebugInfoFinder::addCompileUnit(DICompileUnit CU) {
+bool DebugInfoFinder::addCompileUnit(DICompileUnit *CU) {
   if (!CU)
     return false;
   if (!NodesSeen.insert(CU).second)
@@ -327,7 +272,7 @@ bool DebugInfoFinder::addCompileUnit(DICompileUnit CU) {
   return true;
 }
 
-bool DebugInfoFinder::addGlobalVariable(DIGlobalVariable DIG) {
+bool DebugInfoFinder::addGlobalVariable(DIGlobalVariable *DIG) {
   if (!DIG)
     return false;
 
@@ -338,7 +283,7 @@ bool DebugInfoFinder::addGlobalVariable(DIGlobalVariable DIG) {
   return true;
 }
 
-bool DebugInfoFinder::addSubprogram(DISubprogram SP) {
+bool DebugInfoFinder::addSubprogram(DISubprogram *SP) {
   if (!SP)
     return false;
 
@@ -349,7 +294,7 @@ bool DebugInfoFinder::addSubprogram(DISubprogram SP) {
   return true;
 }
 
-bool DebugInfoFinder::addScope(DIScope Scope) {
+bool DebugInfoFinder::addScope(DIScope *Scope) {
   if (!Scope)
     return false;
   // FIXME: Ocaml binding generates a scope with no content, we treat it
@@ -362,70 +307,6 @@ bool DebugInfoFinder::addScope(DIScope Scope) {
   return true;
 }
 
-//===----------------------------------------------------------------------===//
-// DIDescriptor: dump routines for all descriptors.
-//===----------------------------------------------------------------------===//
-
-void DIDescriptor::dump() const {
-  print(dbgs());
-  dbgs() << '\n';
-}
-
-void DIDescriptor::print(raw_ostream &OS) const {
-  if (!get())
-    return;
-  get()->print(OS);
-}
-
-static void printDebugLoc(DebugLoc DL, raw_ostream &CommentOS,
-                          const LLVMContext &Ctx) {
-  if (!DL)
-    return;
-
-  DIScope Scope = cast<MDScope>(DL.getScope());
-  // Omit the directory, because it's likely to be long and uninteresting.
-  CommentOS << Scope.getFilename();
-  CommentOS << ':' << DL.getLine();
-  if (DL.getCol() != 0)
-    CommentOS << ':' << DL.getCol();
-
-  DebugLoc InlinedAtDL = DL.getInlinedAt();
-  if (!InlinedAtDL)
-    return;
-
-  CommentOS << " @[ ";
-  printDebugLoc(InlinedAtDL, CommentOS, Ctx);
-  CommentOS << " ]";
-}
-
-void DIVariable::printExtendedName(raw_ostream &OS) const {
-  const LLVMContext &Ctx = DbgNode->getContext();
-  StringRef Res = getName();
-  if (!Res.empty())
-    OS << Res << "," << getLineNumber();
-  if (auto *InlinedAt = get()->getInlinedAt()) {
-    if (DebugLoc InlinedAtDL = InlinedAt) {
-      OS << " @[";
-      printDebugLoc(InlinedAtDL, OS, Ctx);
-      OS << "]";
-    }
-  }
-}
-
-template <>
-DIDescriptor
-DIRef<DIDescriptor>::resolve(const DITypeIdentifierMap &Map) const {
-  return DIDescriptor(DebugNodeRef(Val).resolve(Map));
-}
-template <>
-DIScope DIRef<DIScope>::resolve(const DITypeIdentifierMap &Map) const {
-  return MDScopeRef(Val).resolve(Map);
-}
-template <>
-DIType DIRef<DIType>::resolve(const DITypeIdentifierMap &Map) const {
-  return MDTypeRef(Val).resolve(Map);
-}
-
 bool llvm::stripDebugInfo(Function &F) {
   bool Changed = false;
   for (BasicBlock &BB : F) {
@@ -488,18 +369,18 @@ unsigned llvm::getDebugMetadataVersionFromModule(const Module &M) {
   return 0;
 }
 
-llvm::DenseMap<const llvm::Function *, llvm::DISubprogram>
+DenseMap<const llvm::Function *, DISubprogram *>
 llvm::makeSubprogramMap(const Module &M) {
-  DenseMap<const Function *, DISubprogram> R;
+  DenseMap<const Function *, DISubprogram *> R;
 
   NamedMDNode *CU_Nodes = M.getNamedMetadata("llvm.dbg.cu");
   if (!CU_Nodes)
     return R;
 
   for (MDNode *N : CU_Nodes->operands()) {
-    DICompileUnit CUNode = cast<MDCompileUnit>(N);
-    for (DISubprogram SP : CUNode->getSubprograms()) {
-      if (Function *F = SP.getFunction())
+    auto *CUNode = cast<DICompileUnit>(N);
+    for (auto *SP : CUNode->getSubprograms()) {
+      if (Function *F = SP->getFunction())
         R.insert(std::make_pair(F, SP));
     }
   }