llvm-6502

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Duncan P. N. Exon Smith ae9e15f914 IR: Split GenericMDNode into MDTuple and UniquableMDNode

Split `GenericMDNode` into two classes (with more descriptive names).

  - `UniquableMDNode` will be a common subclass for `MDNode`s that are
    sometimes uniqued like constants, and sometimes 'distinct'.

    This class gets the (short-lived) RAUW support and related API.

  - `MDTuple` is the basic tuple that has always been returned by
    `MDNode::get()`.  This is as opposed to more specific nodes to be
    added soon, which have additional fields, custom assembly syntax,
    and extra semantics.

    This class gets the hash-related logic, since other sublcasses of
    `UniquableMDNode` may need to hash based on other fields.

To keep this diff from getting too big, I've added casts to `MDTuple`
that won't really scale as new subclasses of `UniquableMDNode` are
added, but I'll clean those up incrementally.

(No functionality change intended.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225682 91177308-0d34-0410-b5e6-96231b3b80d8

2015-01-12 20:09:34 +00:00

BitcodeReader.cpp

IR: Split GenericMDNode into MDTuple and UniquableMDNode

2015-01-12 20:09:34 +00:00

BitcodeReader.h

Use the DiagnosticHandler to print diagnostics when reading bitcode.

2015-01-10 00:07:30 +00:00

BitReader.cpp

Pass a && to getLazyBitcodeModule.

2014-09-03 17:31:46 +00:00

BitstreamReader.cpp

Silence MSVC warning on missing return after fully covered switch