[PATCH] D86952: [MIRVRegNamer] MachineInstr StableHashing.

Nathan Lanza via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 2 10:44:11 PDT 2020


lanza added a comment.

Other than the one comment LGTM.



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Comment at: llvm/lib/CodeGen/MachineStableHash.cpp:151
+/// A stable hash value for machine instructions.
+/// Returns 0 if no stable hash could be computed.
+/// The hashing and equality testing functions ignore definitions so this is
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That seems kinda error prone. `VRegRenamer::getInstructionOpcodeHash` would just propagate forward a failure blindly.


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  https://reviews.llvm.org/D86952/new/

https://reviews.llvm.org/D86952



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