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8b351e4040
There are now 2 versions of User::new. The first takes a size_t and is the current implementation for subclasses which need 0 or more Use's allocated for their operands. The new version takes no extra arguments to say that this subclass needs 'hung off uses'. The HungOffUses bool is now set in this version of User::new and we can assert in allocHungOffUses that we are allowed to have hung off uses. This ensures we call the correct version of User::new for subclasses which need hung off uses. A future commit will then allocate space for a single Use* which will be used in place of User::OperandList once that field has been removed. Reviewed by Duncan Exon Smith. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239622 91177308-0d34-0410-b5e6-96231b3b80d8
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