#include "llvm/ADT/SmallString.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/Constants.h"
+#include "llvm/IR/DIBuilder.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
DILexicalBlockFile(DbgNode).Verify() ||
DISubrange(DbgNode).Verify() || DIEnumerator(DbgNode).Verify() ||
DIObjCProperty(DbgNode).Verify() ||
- DIUnspecifiedParameter(DbgNode).Verify() ||
DITemplateTypeParameter(DbgNode).Verify() ||
DITemplateValueParameter(DbgNode).Verify() ||
DIImportedEntity(DbgNode).Verify());
/// getInlinedAt - If this variable is inlined then return inline location.
MDNode *DIVariable::getInlinedAt() const { return getNodeField(DbgNode, 7); }
+bool DIVariable::isVariablePiece() const {
+ return hasComplexAddress() && getAddrElement(0) == DIBuilder::OpPiece;
+}
+
+uint64_t DIVariable::getPieceOffset() const {
+ assert(isVariablePiece());
+ return getAddrElement(1);
+}
+
+uint64_t DIVariable::getPieceSize() const {
+ assert(isVariablePiece());
+ return getAddrElement(2);
+}
+
+/// Return the size reported by the variable's type.
+unsigned DIVariable::getSizeInBits(const DITypeIdentifierMap &Map) {
+ DIType Ty = getType().resolve(Map);
+ // Follow derived types until we reach a type that
+ // reports back a size.
+ while (Ty.isDerivedType() && !Ty.getSizeInBits()) {
+ DIDerivedType DT(&*Ty);
+ Ty = DT.getTypeDerivedFrom().resolve(Map);
+ }
+ assert(Ty.getSizeInBits() && "type with size 0");
+ return Ty.getSizeInBits();
+}
+
+
+
+
//===----------------------------------------------------------------------===//
// Predicates
//===----------------------------------------------------------------------===//
+bool DIDescriptor::isSubroutineType() const {
+ return isCompositeType() && getTag() == dwarf::DW_TAG_subroutine_type;
+}
+
/// isBasicType - Return true if the specified tag is legal for
/// DIBasicType.
bool DIDescriptor::isBasicType() const {
getTag() == dwarf::DW_TAG_constant);
}
-/// isUnspecifiedParmeter - Return true if the specified tag is
-/// DW_TAG_unspecified_parameters.
-bool DIDescriptor::isUnspecifiedParameter() const {
- return DbgNode && getTag() == dwarf::DW_TAG_unspecified_parameters;
-}
-
/// isScope - Return true if the specified tag is one of the scope
/// related tag.
bool DIDescriptor::isScope() const {
/// lexical block with an extra file.
bool DIDescriptor::isLexicalBlockFile() const {
return DbgNode && getTag() == dwarf::DW_TAG_lexical_block &&
- (DbgNode->getNumOperands() == 3);
+ (DbgNode->getNumOperands() == 4);
}
/// isLexicalBlock - Return true if the specified tag is DW_TAG_lexical_block.
// Simple Descriptor Constructors and other Methods
//===----------------------------------------------------------------------===//
-unsigned DIArray::getNumElements() const {
- if (!DbgNode)
- return 0;
- return DbgNode->getNumOperands();
-}
-
/// replaceAllUsesWith - Replace all uses of the MDNode used by this
/// type with the one in the passed descriptor.
void DIType::replaceAllUsesWith(LLVMContext &VMContext, DIDescriptor D) {
Tag != dwarf::DW_TAG_inheritance && Tag != dwarf::DW_TAG_friend &&
getFilename().empty())
return false;
+
// DIType is abstract, it should be a BasicType, a DerivedType or
// a CompositeType.
if (isBasicType())
if (isLValueReference() && isRValueReference())
return false;
- if (auto *F = getFunction()) {
- LLVMContext &Ctxt = F->getContext();
- for (auto &BB : *F) {
- for (auto &I : BB) {
- DebugLoc DL = I.getDebugLoc();
- if (DL.isUnknown())
- continue;
-
- MDNode *Scope = nullptr;
- MDNode *IA = nullptr;
- // walk the inlined-at scopes
- while (DL.getScopeAndInlinedAt(Scope, IA, F->getContext()), IA)
- DL = DebugLoc::getFromDILocation(IA);
- DL.getScopeAndInlinedAt(Scope, IA, Ctxt);
- assert(!IA);
- while (!DIDescriptor(Scope).isSubprogram()) {
- DILexicalBlockFile D(Scope);
- Scope = D.isLexicalBlockFile()
- ? D.getScope()
- : DebugLoc::getFromDILexicalBlock(Scope).getScope(Ctxt);
- }
- if (!DISubprogram(Scope).describes(F))
- return false;
- }
- }
- }
return DbgNode->getNumOperands() == 20;
}
/// \brief Verify that the lexical block descriptor is well formed.
bool DILexicalBlock::Verify() const {
- return isLexicalBlock() && DbgNode->getNumOperands() == 7;
+ return isLexicalBlock() && DbgNode->getNumOperands() == 6;
}
/// \brief Verify that the file-scoped lexical block descriptor is well formed.
bool DILexicalBlockFile::Verify() const {
- return isLexicalBlockFile() && DbgNode->getNumOperands() == 3;
-}
-
-/// \brief Verify that an unspecified parameter descriptor is well formed.
-bool DIUnspecifiedParameter::Verify() const {
- return isUnspecifiedParameter() && DbgNode->getNumOperands() == 1;
+ return isLexicalBlockFile() && DbgNode->getNumOperands() == 4;
}
/// \brief Verify that the template type parameter descriptor is well formed.
#endif
/// \brief Set the array of member DITypes.
-void DICompositeType::setTypeArray(DIArray Elements, DIArray TParams) {
- assert((!TParams || DbgNode->getNumOperands() == 15) &&
- "If you're setting the template parameters this should include a slot "
- "for that!");
+void DICompositeType::setArraysHelper(MDNode *Elements, MDNode *TParams) {
TrackingVH<MDNode> N(*this);
if (Elements) {
#ifndef NDEBUG
/// copyWithNewScope - Return a copy of this location, replacing the
/// current scope with the given one.
DILocation DILocation::copyWithNewScope(LLVMContext &Ctx,
- DILexicalBlock NewScope) {
+ DILexicalBlockFile NewScope) {
SmallVector<Value *, 10> Elts;
assert(Verify());
for (unsigned I = 0; I < DbgNode->getNumOperands(); ++I) {
return DIVariable(MDNode::get(VMContext, Elts));
}
+
+/// getEntireVariable - Remove OpPiece exprs from the variable.
+DIVariable llvm::getEntireVariable(DIVariable DV) {
+ if (!DV.isVariablePiece())
+ return DV;
+
+ SmallVector<Value *, 8> Elts;
+ for (unsigned i = 0; i < 8; ++i)
+ Elts.push_back(DV->getOperand(i));
+
+ return DIVariable(MDNode::get(DV->getContext(), Elts));
+}
+
/// getDISubprogram - Find subprogram that is enclosing this scope.
DISubprogram llvm::getDISubprogram(const MDNode *Scope) {
DIDescriptor D(Scope);
if (DT.isCompositeType()) {
DICompositeType DCT(DT);
processType(DCT.getTypeDerivedFrom().resolve(TypeIdentifierMap));
- DIArray DA = DCT.getTypeArray();
+ if (DT.isSubroutineType()) {
+ DITypeArray DTA = DISubroutineType(DT).getTypeArray();
+ for (unsigned i = 0, e = DTA.getNumElements(); i != e; ++i)
+ processType(DTA.getElement(i).resolve(TypeIdentifierMap));
+ return;
+ }
+ DIArray DA = DCT.getElements();
for (unsigned i = 0, e = DA.getNumElements(); i != e; ++i) {
DIDescriptor D = DA.getElement(i);
if (D.isType())
OS << " [private]";
else if (isProtected())
OS << " [protected]";
+ else if (isPublic())
+ OS << " [public]";
if (isArtificial())
OS << " [artificial]";
void DICompositeType::printInternal(raw_ostream &OS) const {
DIType::printInternal(OS);
- DIArray A = getTypeArray();
+ DIArray A = getElements();
OS << " [" << A.getNumElements() << " elements]";
}
OS << " [private]";
else if (isProtected())
OS << " [protected]";
+ else if (isPublic())
+ OS << " [public]";
if (isLValueReference())
OS << " [reference]";
OS << " [" << Res << ']';
OS << " [line " << getLineNumber() << ']';
+
+ if (isVariablePiece())
+ OS << " [piece, size " << getPieceSize()
+ << ", offset " << getPieceOffset() << ']';
}
void DIObjCProperty::printInternal(raw_ostream &OS) const {