[PATCH] D103458: [SLP]Improve gathering of scalar elements.

Jordan Rupprecht via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jun 30 12:16:59 PDT 2021


rupprecht added a comment.

In D103458#2851005 <https://reviews.llvm.org/D103458#2851005>, @ABataev wrote:

> To me, the code is strange. You're allocating a variable on the stack, initialize it and then just exit from the function and the variable is not used anyware.

Are you referring to `d_inlineNv`? That is a class member, not a stack variable.

> Of course optimizer optimizes it out and all operations with it. To me, looks like something wrong with the code or other transformations, if the code is correct, SLP just reveals it.

I still haven't ruled out that something is wrong with the code, but it looks totally correct to me. There is also nothing that ubsan/msan/asan catch, not that those are perfect though.


Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D103458/new/

https://reviews.llvm.org/D103458



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