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DebugInfo: Move DIExpression bit-piece API to MDExpression

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234286 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2015-04-07 03:49:59 +00:00
parent fb2e97e4aa
commit c6ac80b701
4 changed files with 30 additions and 25 deletions
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13
include/llvm/IR/DebugInfo.h
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@ -860,18 +860,11 @@ public:
return *get();
}
/// \brief Return the number of elements in the complex expression.
unsigned getNumElements() const { return get()->getNumElements(); }
/// \brief return the Idx'th complex address element.
uint64_t getElement(unsigned I) const { return get()->getElement(I); }
/// \brief Return whether this is a piece of an aggregate variable.
bool isBitPiece() const;
/// \brief Return the offset of this piece in bits.
uint64_t getBitPieceOffset() const;
/// \brief Return the size of this piece in bits.
uint64_t getBitPieceSize() const;
bool isBitPiece() const { return get()->isBitPiece(); }
uint64_t getBitPieceOffset() const { return get()->getBitPieceOffset(); }
uint64_t getBitPieceSize() const { return get()->getBitPieceSize(); }
};
/// \brief This object holds location information.

9
include/llvm/IR/DebugInfoMetadata.h
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@ -1831,6 +1831,15 @@ public:
return Elements[I];
}
/// \brief Return whether this is a piece of an aggregate variable.
bool isBitPiece() const;
/// \brief Return the offset of this piece in bits.
uint64_t getBitPieceOffset() const;
/// \brief Return the size of this piece in bits.
uint64_t getBitPieceSize() const;
typedef ArrayRef<uint64_t>::iterator element_iterator;
element_iterator elements_begin() const { return getElements().begin(); }
element_iterator elements_end() const { return getElements().end(); }

15
lib/IR/DebugInfo.cpp
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@ -65,21 +65,6 @@ unsigned DIVariable::getSizeInBits(const DITypeIdentifierMap &Map) {
return Ty.getSizeInBits();
}
bool DIExpression::isBitPiece() const {
unsigned N = getNumElements();
return N >=3 && getElement(N-3) == dwarf::DW_OP_bit_piece;
}
uint64_t DIExpression::getBitPieceOffset() const {
assert(isBitPiece() && "not a piece");
return getElement(getNumElements()-2);
}
uint64_t DIExpression::getBitPieceSize() const {
assert(isBitPiece() && "not a piece");
return getElement(getNumElements()-1);
}
//===----------------------------------------------------------------------===//
// Simple Descriptor Constructors and other Methods
//===----------------------------------------------------------------------===//

18
lib/IR/DebugInfoMetadata.cpp
View File

@ -445,6 +445,24 @@ bool MDExpression::isValid() const {
return true;
}
bool MDExpression::isBitPiece() const {
assert(isValid() && "Expected valid expression");
if (unsigned N = getNumElements())
if (N >= 3)
return getElement(N - 3) == dwarf::DW_OP_bit_piece;
return false;
}
uint64_t MDExpression::getBitPieceOffset() const {
assert(isBitPiece() && "Expected bit piece");
return getElement(getNumElements() - 2);
}
uint64_t MDExpression::getBitPieceSize() const {
assert(isBitPiece() && "Expected bit piece");
return getElement(getNumElements() - 1);
}
MDObjCProperty *MDObjCProperty::getImpl(
LLVMContext &Context, MDString *Name, Metadata *File, unsigned Line,
MDString *GetterName, MDString *SetterName, unsigned Attributes,