[PATCH] D98884: [IR] Ignore bitcasts of function pointers which are only used as callees in callbase instruction

Fri Mar 26 10:53:17 PDT 2021

rampitec added a comment.

In D98884#2653361 <https://reviews.llvm.org/D98884#2653361>, @madhur13490 wrote:

> In D98884#2653291 <https://reviews.llvm.org/D98884#2653291>, @rampitec wrote:
>
>> This should work I guess. It needs tests for non-callee use and non call base uses. I would also prefer to GlobalOpt change to be extracted into a separate patch.
>
> non call base users - What all such cases possible?We can use invoke but that is also CallBase.

That is more than possible. Take a pointer and store it, compare to another pointer, bitcast and store or compare.

> non callee - ignore-bitcast-call-argument-callee.ll is similar to what to suggest.

Yes, but this is not for global opt.

Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D98884/new/

https://reviews.llvm.org/D98884