diff options
Diffstat (limited to 'lib/Analysis/DebugInfo.cpp')
| -rw-r--r-- | lib/Analysis/DebugInfo.cpp | 105 |
1 files changed, 98 insertions, 7 deletions
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp index 7bb7e9b4af2d..7bff11ec5b45 100644 --- a/lib/Analysis/DebugInfo.cpp +++ b/lib/Analysis/DebugInfo.cpp @@ -84,8 +84,11 @@ DIDescriptor::getStringField(unsigned Elt) const { return NULL; if (Elt < DbgNode->getNumElements()) - if (MDString *MDS = dyn_cast_or_null<MDString>(DbgNode->getElement(Elt))) + if (MDString *MDS = dyn_cast_or_null<MDString>(DbgNode->getElement(Elt))) { + if (MDS->getLength() == 0) + return NULL; return MDS->getString().data(); + } return NULL; } @@ -398,10 +401,10 @@ bool DIVariable::Verify() const { /// getOriginalTypeSize - If this type is derived from a base type then /// return base type size. uint64_t DIDerivedType::getOriginalTypeSize() const { - if (getTag() != dwarf::DW_TAG_member) - return getSizeInBits(); DIType BT = getTypeDerivedFrom(); - if (BT.getTag() != dwarf::DW_TAG_base_type) + if (!BT.isNull() && BT.isDerivedType()) + return DIDerivedType(BT.getNode()).getOriginalTypeSize(); + if (BT.isNull()) return getSizeInBits(); return BT.getSizeInBits(); } @@ -695,6 +698,32 @@ DIBasicType DIFactory::CreateBasicType(DIDescriptor Context, return DIBasicType(MDNode::get(VMContext, &Elts[0], 10)); } + +/// CreateBasicType - Create a basic type like int, float, etc. +DIBasicType DIFactory::CreateBasicTypeEx(DIDescriptor Context, + StringRef Name, + DICompileUnit CompileUnit, + unsigned LineNumber, + Constant *SizeInBits, + Constant *AlignInBits, + Constant *OffsetInBits, unsigned Flags, + unsigned Encoding) { + Value *Elts[] = { + GetTagConstant(dwarf::DW_TAG_base_type), + Context.getNode(), + MDString::get(VMContext, Name), + CompileUnit.getNode(), + ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber), + SizeInBits, + AlignInBits, + OffsetInBits, + ConstantInt::get(Type::getInt32Ty(VMContext), Flags), + ConstantInt::get(Type::getInt32Ty(VMContext), Encoding) + }; + return DIBasicType(MDNode::get(VMContext, &Elts[0], 10)); +} + + /// CreateDerivedType - Create a derived type like const qualified type, /// pointer, typedef, etc. DIDerivedType DIFactory::CreateDerivedType(unsigned Tag, @@ -722,6 +751,35 @@ DIDerivedType DIFactory::CreateDerivedType(unsigned Tag, return DIDerivedType(MDNode::get(VMContext, &Elts[0], 10)); } + +/// CreateDerivedType - Create a derived type like const qualified type, +/// pointer, typedef, etc. +DIDerivedType DIFactory::CreateDerivedTypeEx(unsigned Tag, + DIDescriptor Context, + StringRef Name, + DICompileUnit CompileUnit, + unsigned LineNumber, + Constant *SizeInBits, + Constant *AlignInBits, + Constant *OffsetInBits, + unsigned Flags, + DIType DerivedFrom) { + Value *Elts[] = { + GetTagConstant(Tag), + Context.getNode(), + MDString::get(VMContext, Name), + CompileUnit.getNode(), + ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber), + SizeInBits, + AlignInBits, + OffsetInBits, + ConstantInt::get(Type::getInt32Ty(VMContext), Flags), + DerivedFrom.getNode(), + }; + return DIDerivedType(MDNode::get(VMContext, &Elts[0], 10)); +} + + /// CreateCompositeType - Create a composite type like array, struct, etc. DICompositeType DIFactory::CreateCompositeType(unsigned Tag, DIDescriptor Context, @@ -754,6 +812,38 @@ DICompositeType DIFactory::CreateCompositeType(unsigned Tag, } +/// CreateCompositeType - Create a composite type like array, struct, etc. +DICompositeType DIFactory::CreateCompositeTypeEx(unsigned Tag, + DIDescriptor Context, + StringRef Name, + DICompileUnit CompileUnit, + unsigned LineNumber, + Constant *SizeInBits, + Constant *AlignInBits, + Constant *OffsetInBits, + unsigned Flags, + DIType DerivedFrom, + DIArray Elements, + unsigned RuntimeLang) { + + Value *Elts[] = { + GetTagConstant(Tag), + Context.getNode(), + MDString::get(VMContext, Name), + CompileUnit.getNode(), + ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber), + SizeInBits, + AlignInBits, + OffsetInBits, + ConstantInt::get(Type::getInt32Ty(VMContext), Flags), + DerivedFrom.getNode(), + Elements.getNode(), + ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang) + }; + return DICompositeType(MDNode::get(VMContext, &Elts[0], 12)); +} + + /// CreateSubprogram - Create a new descriptor for the specified subprogram. /// See comments in DISubprogram for descriptions of these fields. This /// method does not unique the generated descriptors. @@ -1217,9 +1307,10 @@ namespace llvm { // Look for the bitcast. for (Value::use_const_iterator I = V->use_begin(), E =V->use_end(); I != E; ++I) - if (isa<BitCastInst>(I)) - return findDbgDeclare(*I, false); - + if (isa<BitCastInst>(I)) { + const DbgDeclareInst *DDI = findDbgDeclare(*I, false); + if (DDI) return DDI; + } return 0; } |