[PATCH] D78098: [CGExprAgg] Fix infinite loop in `findPeephole`

John McCall via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Tue Apr 14 14:39:21 PDT 2020


rjmccall added inline comments.


================
Comment at: clang/lib/CodeGen/CGExprAgg.cpp:688
+
+    op = castE;
   }
----------------
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.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D78098/new/

https://reviews.llvm.org/D78098





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