ekatz marked an inline comment as done.
ekatz added inline comments.
================
Comment at: clang/lib/CodeGen/CGExprAgg.cpp:688
+
+ op = castE;
}
----------------
rjmccall wrote:
> ekatz wrote:
> > rjmccall wrote:
> > > ekatz wrote:
> > > > rjmccall wrote:
> > > > > I liked the structure of the old code better, in case we want to look
> > > > > through other kinds of expressions. Please just add `op =
> > > > > castE->getSubExpr()` before the `continue`.
> > > > I see your point. I'll change that.
> > > > Though I must say that the old structure is a little strange with the
> > > > `return nullptr` in the end of the loop...
> > > Oh, you know, there's also an `IgnoreParenNoopCasts` that we could just
> > > use instead of this loop if we're willing to ignore other possible
> > > expressions we might want to look through.
> > I am not familiar enough with clang's code to make the decision to remove
> > this function.
> > Personally I wanted to fix the bug, and I guess this function is here for a
> > reason..?
> I don't think there's anything here really worth keeping. Please keep the
> function around but replace its body with something like:
>
> ```
> op = op->IgnoreParenNoopCasts();
> if (auto castE = dyn_cast<CastExpr>(op)) {
> if (castE->getCastKind() == kind)
> return castE->getSubExpr();
> }
> return nullptr;
> ```
Sorry, I, kinda, misunderstood you suggestion before.
This is a really good implementation, but as you said, this function should,
and I quote from its description, "look through various unimportant
expressions". So I guess it is better to leave it this way (with the loop), as
it is already in the base code. What do you say?
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D78098/new/
https://reviews.llvm.org/D78098
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