barannikov88 added inline comments.

================
Comment at: clang/lib/CodeGen/CGBuiltin.cpp:14742
     Builder.getFastMathFlags().setAllowReassoc();
-    return Builder.CreateCall(F, {Ops[0], Ops[1]});
+    Value *FAdd = Builder.CreateCall(F, {Ops[0], Ops[1]});
+    Builder.getFastMathFlags() &= (FMF);
----------------
barannikov88 wrote:
> Could be just:
> ```
>     return Builder.CreateCall(F, {Ops[0], Ops[1]})
>         ->getFastMathFlags()
>         .setAllowReassoc();
> ```
> so that you don't have to save and restore Builder's flags.
> 
No, it couldn't be, just tried :(


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140467/new/

https://reviews.llvm.org/D140467

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