Nuno Lopes 5fc9449c96 [DeadArgElim] Use poison instead of undef as placeholder for dead arguments ...

It doesn't matter which value we use for dead args, so let's switch
to poison, so we can eventually kill undef.

Reviewed By: aeubanks, fhahn

Differential Revision: https://reviews.llvm.org/D125983

2022-05-19 18:00:24 +01:00

43 KiB

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