[PATCH] D156154: [clang][ConstExprEmitter] handle IntegerLiterals

Nick Desaulniers via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Jul 24 15:30:50 PDT 2023


nickdesaulniers added a comment.

In D156154#4529889 <https://reviews.llvm.org/D156154#4529889>, @shafik wrote:

> What practical effects will this have?

As of D151587 <https://reviews.llvm.org/D151587>...

>From the commit message `Improves the ability of ConstExprEmitter to evaluate constants.` Stated another way:
Should speed up "is the below expression a constant expression?"

> What kind of code do this effect?



  int y = 2;
          ^ is 2 a constant expression?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D156154/new/

https://reviews.llvm.org/D156154



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