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SubclassID is really a small field. Split it into half and let subclasses

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play with the unused part.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20043 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-02-05 01:37:44 +00:00
parent b05a76c67d
commit 8f0d403926
1 changed files with 7 additions and 1 deletions
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8
include/llvm/Value.h
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@ -41,7 +41,13 @@ class SymbolTable;
/// as operands to other values.
///
class Value {
unsigned SubclassID; // Subclass identifier (for isa/dyn_cast)
unsigned short SubclassID; // Subclass identifier (for isa/dyn_cast)
protected:
/// SubclassData - This member is defined by this class, but is not used for
/// anything. Subclasses can use it to hold whatever state they find useful.
/// This field is initialized to zero by the ctor.
unsigned short SubclassData;
private:
PATypeHolder Ty;
Use *UseList;
std::string Name;