[PATCH] D55572: [AArch64] Add patterns for zext/sext of shift amount.

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

update_llc_test_checks is a useful starting point because it generates the right checks to ensure you're checking the whole function, which is inconvenient to do by hand (trying to CHECK-NOT your way to checking the whole function is a bad idea).

I can replace the explicit reference to r8 with a regex, sure.  (We could look at modifying update_llc_test_checks to generate a regex where appropriate, I guess... but it might be tricky to distinguish when a value is ABI-significant.)


Repository:
  rL LLVM

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  https://reviews.llvm.org/D55572/new/

https://reviews.llvm.org/D55572