[PATCH] D57504: RFC: Prototype & Roadmap for vector predication in LLVM

Tue Apr 16 14:27:06 PDT 2019

hsaito added a comment.

In D57504#1468510 <https://reviews.llvm.org/D57504#1468510>, @simoll wrote:

>   1. Updates
> - added constrained fp intrinsics (IR level only).
> - initial support for mapping `llvm.experimental.constrained.*` intrinsics to `llvm.vp.constrained.*`.

Do we really need both vp.fadd() and vp.constrained.fadd()? Can't we just use the latter with rmInvalid/ebInvalid? That should prevent vp.constrained.fadd from losing optimizations w/o good reasons.
Do we have enough upside in having both?

Repository:
  rL LLVM

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  https://reviews.llvm.org/D57504/new/

https://reviews.llvm.org/D57504