[PATCH] D125648: [ARM SEH 6] [ARM] Add SEH opcodes in frame lowering

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo added a comment.

In D125648#3531768 <https://reviews.llvm.org/D125648#3531768>, @efriedma wrote:

> For scheduling, the AArch64 backend overrides "isSchedulingBoundary()" for SEH instructions.

Oh, thanks, that does fix the issue with PostRAScheduling - thanks!

> I don't think we ever ran into issues with tail merge... maybe setting MachineInstr:::NoMerge would work?

Yup, that does seem to do the trick too. Thanks!


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