tbaeder added inline comments.
================
Comment at: clang/lib/AST/Interp/Function.h:180
+ // FIXME: Is there a better way to get this information?
+ if (getName() == "__builtin_isnan")
+ return true;
----------------
cor3ntin wrote:
> You can compare getBuiltinID(), which is better than using strings, it's what
> we seem to be doing elsewhere
Yeah but that still sucks. Is there no way to query whether the builtin has `t`
set ("signature is meaningless, use custom typechecking"), regardless of the ID
or name?
================
Comment at: clang/lib/AST/Interp/InterpBuiltin.cpp:169
+ // refactor this into a different function that checks things are valid.
+ const Floating &Arg = S.Stk.peek<Floating>();
+
----------------
cor3ntin wrote:
> There are only a few functions created by SemaBuiltinFPClassification - only
> two of which are not unary. this looks fine, fpclassify and isfpclass can
> have their own logic.
> I don't suppose there is a way to assert we have one argument there?
We could (and maybe want) to pass along the `CallExpr`, but the arguments and
their number are already checked in `Sema`.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D155369/new/
https://reviews.llvm.org/D155369
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