[llvm] [IR][REVEC] Define llvm.vector.broadcast intrinsic (PR #208212)

[Benjamin Maxwell via llvm-commits]

=?utf-8?q?Gaëtan?= Bossu <gaetan.bossu at arm.com>,
=?utf-8?q?Gaëtan?= Bossu <gaetan.bossu at arm.com>,
=?utf-8?q?Gaëtan?= Bossu <gaetan.bossu at arm.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/208212 at github.com>


https://github.com/MacDue commented:

In `TargetLoweringBase::initActions()` you probably should set the default action for `VECTOR_BROADCAST` to `EXPAND`, as I expect most targets won't support this (at least initially). 

https://github.com/llvm/llvm-project/pull/208212