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Devirtualize User::dropAllReferences

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2001-07-07 19:00:36 +00:00
parent f229ed5248
commit 30f24a402c
1 changed files with 3 additions and 3 deletions
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6
include/llvm/User.h
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@@ -48,15 +48,15 @@ public:
inline op_iterator op_end() { return Operands.end(); } inline op_iterator op_end() { return Operands.end(); }
inline op_const_iterator op_end() const { return Operands.end(); } inline op_const_iterator op_end() const { return Operands.end(); }
// dropAllReferences() - This virtual function should be overridden to "let // dropAllReferences() - This function is in charge of "letting go" of all
// go" of all references that this user is maintaining. This allows one to // objects that this User refers to. This allows one to
// 'delete' a whole class at a time, even though there may be circular // 'delete' a whole class at a time, even though there may be circular
// references... first all references are dropped, and all use counts go to // references... first all references are dropped, and all use counts go to
// zero. Then everything is delete'd for real. Note that no operations are // zero. Then everything is delete'd for real. Note that no operations are
// valid on an object that has "dropped all references", except operator // valid on an object that has "dropped all references", except operator
// delete. // delete.
// //
virtual void dropAllReferences() { inline void dropAllReferences() {
Operands.clear(); Operands.clear();
} }