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Add interface for mod/ref info to be captures by dsgraphs 

llvm-svn: 4222
This commit is contained in:
Chris Lattner 2002-10-17 21:03:49 +00:00
parent bf25578f02
commit 3d1fddea22
1 changed files with 14 additions and 2 deletions
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16
llvm/include/llvm/Analysis/DSGraph.h
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@ -136,6 +136,8 @@ public:
NewNode = 1 << 2, // This node was allocated with malloc NewNode = 1 << 2, // This node was allocated with malloc
GlobalNode = 1 << 3, // This node was allocated by a global var decl GlobalNode = 1 << 3, // This node was allocated by a global var decl
Incomplete = 1 << 4, // This node may not be complete Incomplete = 1 << 4, // This node may not be complete
Modified = 1 << 5, // This node is modified in this context
Read = 1 << 6, // This node is read in this context
}; };
/// NodeType - A union of the above bits. "Shadow" nodes do not add any flags /// NodeType - A union of the above bits. "Shadow" nodes do not add any flags
@ -164,15 +166,25 @@ public:
//===-------------------------------------------------- //===--------------------------------------------------
// Accessors // Accessors
// getSize - Return the maximum number of bytes occupied by this object... /// getSize - Return the maximum number of bytes occupied by this object...
///
unsigned getSize() const { return MergeMap.size(); } unsigned getSize() const { return MergeMap.size(); }
// getTypeEntries - Return the possible types and their offsets in this object // getTypeEntries - Return the possible types and their offsets in this object
const std::vector<TypeRec> &getTypeEntries() const { return TypeEntries; } const std::vector<TypeRec> &getTypeEntries() const { return TypeEntries; }
// getReferrers - Return a list of the pointers to this node... /// getReferrers - Return a list of the pointers to this node...
///
const std::vector<DSNodeHandle*> &getReferrers() const { return Referrers; } const std::vector<DSNodeHandle*> &getReferrers() const { return Referrers; }
/// isModified - Return true if this node may be modified in this context
///
bool isModified() const { return (NodeType & Modified) != 0; }
/// isRead - Return true if this node may be read in this context
///
bool isRead() const { return (NodeType & Read) != 0; }
/// hasLink - Return true if this memory object has a link at the specified /// hasLink - Return true if this memory object has a link at the specified
/// location. /// location.