[PATCH] D106053: [CodeGen] Remove pending AssertZext AssertSext in promoting FP_TO_INT

Xiang Zhang via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 15 17:38:32 PDT 2021


xiangzhangllvm added a comment.

In D106053#2881925 <https://reviews.llvm.org/D106053#2881925>, @xiangzhangllvm wrote:

> And for "AssertZext ", both following DAG optimizations and ISel will **not **try generate node/MIR to clear its high N bits to zero. ISel will directly ignore it.
>
>   (I think it make sense, because it is just a flag/mark, it means its operand's high N bits already be 0)




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