[PATCH] D153098: [AArch64] Emit fewer CFI instructions for synchronous unwind tables

[Igor Kudrin via Phabricator via llvm-commits]

ikudrin added a comment.

In D153098#4427379 <https://reviews.llvm.org/D153098#4427379>, @efriedma wrote:

> Do you know what's causing the changes in instruction scheduling in some testcases?  For example, sve-fixed-length-permute-zip-uzp-trn.ll and sve-split-int-pred-reduce.ll.

I did not investigate that; it looks like the CFI instructions work like a barrier. Anyway, these tests are just returning to the state they were before D111411 <https://reviews.llvm.org/D111411>.


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https://reviews.llvm.org/D153098