[PATCH] D142087: [AArch64] Armv9-A implies FP16

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: ilinpv, danielkiss, DavidSpickett, ostannard, efriedma, tmatheson, lenary, pratlucas.
Herald added subscribers: ctetreau, kristof.beyls.
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dmgreen requested review of this revision.
Herald added a project: LLVM.

As Armv9-a implies SVE2 it implies SVE (added in D141411 <https://reviews.llvm.org/D141411>) and so it should also imply FP16, which this patch adds. This helps get the target features correct when using `target("arch=armv9-a")` attributes.

There is also an adjustment to AssertSameExtensionFlags in this patch to make it print cpu names, useful when the TargetParser unit tests are run through lit to distinguish which cpu is failing.


https://reviews.llvm.org/D142087

Files:
  clang/test/CodeGen/aarch64-targetattr-arch.c
  clang/test/CodeGen/aarch64-targetattr.c
  llvm/include/llvm/TargetParser/AArch64TargetParser.h
  llvm/unittests/TargetParser/TargetParserTest.cpp

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