[PATCH] D52709: Add -instcombine-code-sinking option

[Gabor Buella via Phabricator via llvm-commits]

GBuella added a comment.

In https://reviews.llvm.org/D52709#1251147, @andrew.w.kaylor wrote:

> Can you update this review with a summary that describes the problem your are trying to fix by disabling instruction sinking here?


Hi, Intel Graphics Compiler compiles uses LLVM to optimize scalar IR code, which is vectorized later on. It is pretty difficult to explain the exact problems code sinking can create.


https://reviews.llvm.org/D52709