[PATCH] D129561: [RS4GC] Handle special cases in unreachable code for memcpy/memmov

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev added inline comments.


================
Comment at: llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp:1711
+              ConstantPointerNull::get(cast<PointerType>(Derived->getType()));
+        else if (isa<UndefValue, PoisonValue>(Derived))
+          Base = Derived;
----------------
apilipenko wrote:
> Undef and poison fall under the constant clause. I don't think that they need a special handling. 
Err, you are right.


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  https://reviews.llvm.org/D129561/new/

https://reviews.llvm.org/D129561