//
//===----------------------------------------------------------------------===//
-#include "llvm/DebugInfo.h"
+#include "llvm/IR/DebugInfo.h"
+#include "LLVMContextImpl.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Module.h"
+#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Dwarf.h"
-#include "llvm/Support/ValueHandle.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
using namespace llvm::dwarf;
DILexicalBlockFile(DbgNode).Verify() ||
DISubrange(DbgNode).Verify() || DIEnumerator(DbgNode).Verify() ||
DIObjCProperty(DbgNode).Verify() ||
+ DIUnspecifiedParameter(DbgNode).Verify() ||
DITemplateTypeParameter(DbgNode).Verify() ||
DITemplateValueParameter(DbgNode).Verify() ||
DIImportedEntity(DbgNode).Verify());
if (getFilename().empty())
return false;
- return DbgNode->getNumOperands() == 13;
+ return DbgNode->getNumOperands() == 14;
}
/// Verify - Verify that an ObjC property is well formed.
/// Check if a value can be a ScopeRef.
static bool isScopeRef(const Value *Val) {
return !Val ||
- (isa<MDString>(Val) && !cast<MDString>(Val)->getString().empty()) ||
- (isa<MDNode>(Val) && DIScope(cast<MDNode>(Val)).isScope());
+ (isa<MDString>(Val) && !cast<MDString>(Val)->getString().empty()) ||
+ // Not checking for Val->isScope() here, because it would work
+ // only for lexical scopes and not all subclasses of DIScope.
+ isa<MDNode>(Val);
}
/// Check if a field at position Elt of a MDNode can be a ScopeRef.
// DIType is abstract, it should be a BasicType, a DerivedType or
// a CompositeType.
if (isBasicType())
- DIBasicType(DbgNode).Verify();
+ return DIBasicType(DbgNode).Verify();
else if (isCompositeType())
- DICompositeType(DbgNode).Verify();
+ return DICompositeType(DbgNode).Verify();
else if (isDerivedType())
- DIDerivedType(DbgNode).Verify();
+ return DIDerivedType(DbgNode).Verify();
else
return false;
- return true;
}
/// Verify - Verify that a basic type descriptor is well formed.
if (!fieldIsMDString(DbgNode, 14))
return false;
+ // A subroutine type can't be both & and &&.
+ if (isLValueReference() && isRValueReference())
+ return false;
+
return DbgNode->getNumOperands() == 15;
}
// Containing type @ field 12.
if (!fieldIsTypeRef(DbgNode, 12))
return false;
+
+ // A subprogram can't be both & and &&.
+ if (isLValueReference() && isRValueReference())
+ return false;
+
return DbgNode->getNumOperands() == 20;
}
if (getDisplayName().empty())
return false;
- // Make sure context @ field 2 and type @ field 8 are MDNodes.
+ // Make sure context @ field 2 is an MDNode.
if (!fieldIsMDNode(DbgNode, 2))
return false;
- if (!fieldIsMDNode(DbgNode, 8))
+ // Make sure that type @ field 8 is a DITypeRef.
+ if (!fieldIsTypeRef(DbgNode, 8))
return false;
// Make sure StaticDataMemberDeclaration @ field 12 is MDNode.
if (!fieldIsMDNode(DbgNode, 12))
if (!isVariable())
return false;
- // Make sure context @ field 1 and type @ field 5 are MDNodes.
+ // Make sure context @ field 1 is an MDNode.
if (!fieldIsMDNode(DbgNode, 1))
return false;
- if (!fieldIsMDNode(DbgNode, 5))
+ // Make sure that type @ field 5 is a DITypeRef.
+ if (!fieldIsTypeRef(DbgNode, 5))
return false;
return DbgNode->getNumOperands() >= 8;
}
/// \brief Verify that the lexical block descriptor is well formed.
bool DILexicalBlock::Verify() const {
- return isLexicalBlock() && DbgNode->getNumOperands() == 6;
+ return isLexicalBlock() && DbgNode->getNumOperands() == 7;
}
/// \brief Verify that the file-scoped lexical block descriptor is well formed.
return isLexicalBlockFile() && DbgNode->getNumOperands() == 3;
}
+/// \brief Verify that an unspecified parameter descriptor is well formed.
+bool DIUnspecifiedParameter::Verify() const {
+ return isUnspecifiedParameter() && DbgNode->getNumOperands() == 1;
+}
+
/// \brief Verify that the template type parameter descriptor is well formed.
bool DITemplateTypeParameter::Verify() const {
return isTemplateTypeParameter() && DbgNode->getNumOperands() == 7;
DbgNode = N;
}
-void DICompositeType::addMember(DIDescriptor D) {
- SmallVector<llvm::Value *, 16> M;
- DIArray OrigM = getTypeArray();
- unsigned Elements = OrigM.getNumElements();
- if (Elements == 1 && !OrigM.getElement(0))
- Elements = 0;
- M.reserve(Elements + 1);
- for (unsigned i = 0; i != Elements; ++i)
- M.push_back(OrigM.getElement(i));
- M.push_back(D);
- setTypeArray(DIArray(MDNode::get(DbgNode->getContext(), M)));
-}
-
/// Generate a reference to this DIType. Uses the type identifier instead
/// of the actual MDNode if possible, to help type uniquing.
DIScopeRef DIScope::getRef() const {
return DIArray(getNodeField(DbgNode, 11));
}
+/// copyWithNewScope - Return a copy of this location, replacing the
+/// current scope with the given one.
+DILocation DILocation::copyWithNewScope(LLVMContext &Ctx,
+ DILexicalBlock NewScope) {
+ SmallVector<Value *, 10> Elts;
+ assert(Verify());
+ for (unsigned I = 0; I < DbgNode->getNumOperands(); ++I) {
+ if (I != 2)
+ Elts.push_back(DbgNode->getOperand(I));
+ else
+ Elts.push_back(NewScope);
+ }
+ MDNode *NewDIL = MDNode::get(Ctx, Elts);
+ return DILocation(NewDIL);
+}
+
+/// computeNewDiscriminator - Generate a new discriminator value for this
+/// file and line location.
+unsigned DILocation::computeNewDiscriminator(LLVMContext &Ctx) {
+ std::pair<const char *, unsigned> Key(getFilename().data(), getLineNumber());
+ return ++Ctx.pImpl->DiscriminatorTable[Key];
+}
+
/// fixupSubprogramName - Replace contains special characters used
/// in a typical Objective-C names with '.' in a given string.
static void fixupSubprogramName(DISubprogram Fn, SmallVectorImpl<char> &Out) {
DIGlobalVariable DIG(GVs.getElement(i));
if (addGlobalVariable(DIG)) {
processScope(DIG.getContext());
- processType(DIG.getType());
+ processType(DIG.getType().resolve(TypeIdentifierMap));
}
}
DIArray SPs = CU.getSubprograms();
DIArray Imports = CU.getImportedEntities();
for (unsigned i = 0, e = Imports.getNumElements(); i != e; ++i) {
DIImportedEntity Import = DIImportedEntity(Imports.getElement(i));
- DIDescriptor Entity = Import.getEntity();
+ DIDescriptor Entity = Import.getEntity().resolve(TypeIdentifierMap);
if (Entity.isType())
processType(DIType(Entity));
else if (Entity.isSubprogram())
}
}
-/// processLexicalBlock
-void DebugInfoFinder::processLexicalBlock(DILexicalBlock LB) {
- DIScope Context = LB.getContext();
- if (Context.isLexicalBlock())
- return processLexicalBlock(DILexicalBlock(Context));
- else if (Context.isLexicalBlockFile()) {
- DILexicalBlockFile DBF = DILexicalBlockFile(Context);
- return processLexicalBlock(DILexicalBlock(DBF.getScope()));
- } else
- return processSubprogram(DISubprogram(Context));
-}
-
/// processSubprogram - Process DISubprogram.
void DebugInfoFinder::processSubprogram(DISubprogram SP) {
if (!addSubprogram(SP))
if (!NodesSeen.insert(DV))
return;
processScope(DIVariable(N).getContext());
- processType(DIVariable(N).getType());
+ processType(DIVariable(N).getType().resolve(TypeIdentifierMap));
}
void DebugInfoFinder::processValue(const Module &M, const DbgValueInst *DVI) {
if (!NodesSeen.insert(DV))
return;
processScope(DIVariable(N).getContext());
- processType(DIVariable(N).getType());
+ processType(DIVariable(N).getType().resolve(TypeIdentifierMap));
}
/// addType - Add type into Tys.
OS << " [vector]";
if (isStaticMember())
OS << " [static]";
+
+ if (isLValueReference())
+ OS << " [reference]";
+
+ if (isRValueReference())
+ OS << " [rvalue reference]";
}
void DIDerivedType::printInternal(raw_ostream &OS) const {
else if (isProtected())
OS << " [protected]";
+ if (isLValueReference())
+ OS << " [reference]";
+
+ if (isRValueReference())
+ OS << " [rvalue reference]";
+
StringRef Res = getName();
if (!Res.empty())
OS << " [" << Res << ']';
template <> DITypeRef DIDescriptor::getFieldAs<DITypeRef>(unsigned Elt) const {
return DITypeRef(getField(DbgNode, Elt));
}
+
+/// Strip debug info in the module if it exists.
+/// To do this, we remove all calls to the debugger intrinsics and any named
+/// metadata for debugging. We also remove debug locations for instructions.
+/// Return true if module is modified.
+bool llvm::StripDebugInfo(Module &M) {
+
+ bool Changed = false;
+
+ // Remove all of the calls to the debugger intrinsics, and remove them from
+ // the module.
+ if (Function *Declare = M.getFunction("llvm.dbg.declare")) {
+ while (!Declare->use_empty()) {
+ CallInst *CI = cast<CallInst>(Declare->user_back());
+ CI->eraseFromParent();
+ }
+ Declare->eraseFromParent();
+ Changed = true;
+ }
+
+ if (Function *DbgVal = M.getFunction("llvm.dbg.value")) {
+ while (!DbgVal->use_empty()) {
+ CallInst *CI = cast<CallInst>(DbgVal->user_back());
+ CI->eraseFromParent();
+ }
+ DbgVal->eraseFromParent();
+ Changed = true;
+ }
+
+ for (Module::named_metadata_iterator NMI = M.named_metadata_begin(),
+ NME = M.named_metadata_end(); NMI != NME;) {
+ NamedMDNode *NMD = NMI;
+ ++NMI;
+ if (NMD->getName().startswith("llvm.dbg.")) {
+ NMD->eraseFromParent();
+ Changed = true;
+ }
+ }
+
+ for (Module::iterator MI = M.begin(), ME = M.end(); MI != ME; ++MI)
+ for (Function::iterator FI = MI->begin(), FE = MI->end(); FI != FE;
+ ++FI)
+ for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); BI != BE;
+ ++BI) {
+ if (!BI->getDebugLoc().isUnknown()) {
+ Changed = true;
+ BI->setDebugLoc(DebugLoc());
+ }
+ }
+
+ return Changed;
+}
+
+/// Return Debug Info Metadata Version by checking module flags.
+unsigned llvm::getDebugMetadataVersionFromModule(const Module &M) {
+ Value *Val = M.getModuleFlag("Debug Info Version");
+ if (!Val)
+ return 0;
+ return cast<ConstantInt>(Val)->getZExtValue();
+}