[PATCH] D153432: [SDAGBuilder] Handle multi-part arguments in argument copy elision (PR63430)

[Nikita Popov via Phabricator via llvm-commits]

nikic added inline comments.


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Comment at: llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp:10928
+      for (EVT VT : ValueVTs)
+        NumParts += TLI->getNumRegistersForCallingConv(*CurDAG->getContext(),
+                                                       F.getCallingConv(), VT);
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arsenm wrote:
> For some reason this is split into two hooks for the register type and the number of registers. Wouldn't you need to account for the split and promoted / demoted case?
Not sure which case you have in mind here, but this is doing the same as the code below (line 10954).


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D153432/new/

https://reviews.llvm.org/D153432