[PATCH] D103408: Teach peephole optimizer to not emit sub-register defs

[Ahsan Saghir via Phabricator via llvm-commits]

saghir added a comment.

In D103408#2789491 <https://reviews.llvm.org/D103408#2789491>, @lebedev.ri wrote:

> Does it trigger on any of the existing tests in `Codegen/PowerPC/`?

Sorry for the late reply, I did not see any of the existing test cases trigger on the subreg definition that peephole opt was introducing. I observed it when using `-ppc-track-subreg-liveness` option for certain test cases.


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https://reviews.llvm.org/D103408