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Give the SCEV class a SubclassData field.

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llvm-svn: 76927
This commit is contained in:
Dan Gohman 2009-07-24 00:59:53 +00:00
parent fba3931c31
commit 7b9e8b26db
1 changed files with 9 additions and 2 deletions
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11
include/llvm/Analysis/ScalarEvolution.h
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@ -50,15 +50,22 @@ namespace llvm {
/// directly.
///
class SCEV : public FastFoldingSetNode {
const unsigned SCEVType; // The SCEV baseclass this node corresponds to
// The SCEV baseclass this node corresponds to
const unsigned short SCEVType;
protected:
/// SubclassData - This field is initialized to zero and may be used in
/// subclasses to store miscelaneous information.
unsigned short SubclassData;
private:
SCEV(const SCEV &); // DO NOT IMPLEMENT
void operator=(const SCEV &); // DO NOT IMPLEMENT
protected:
virtual ~SCEV();
public:
explicit SCEV(const FoldingSetNodeID &ID, unsigned SCEVTy) :
FastFoldingSetNode(ID), SCEVType(SCEVTy) {}
FastFoldingSetNode(ID), SCEVType(SCEVTy), SubclassData(0) {}
unsigned getSCEVType() const { return SCEVType; }