[PATCH] D100118: [clang] Add support for new builtin __arithmetic_fence to control floating point optimization, and new clang option fprotect-parens

Melanie Blower via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Wed Jun 23 13:20:04 PDT 2021


mibintc marked 11 inline comments as done.
mibintc added a comment.

some inline replies.  I think this is all set now.



================
Comment at: clang/lib/Sema/SemaExpr.cpp:4026
+      !E->isLValue() &&
+      (ExprTy->isFloatingType() || (ExprTy->isComplexType()))) {
+    return BuildBuiltinCallExpr(R, Builtin::BI__arithmetic_fence, E);
----------------
mibintc wrote:
> aaron.ballman wrote:
> > Do you have to worry about vector types here as well?
> Oh yes, i didn't get this one. 
Yes thanks, i also added a little test case for this


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100118/new/

https://reviews.llvm.org/D100118



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