[PATCH] D134127: [ARM] Check target feature support for __builtin_arm_crc*

[Dave Green via Phabricator via cfe-commits]

dmgreen added a comment.

The arm_acle.h header is shared across Arm and AArch64 - they use the same builtin names even if they are replicated to a certain degree across the backends. As this is used in both it would be good to fix them at the same time. It doesn't need to change the guards as D133359 <https://reviews.llvm.org/D133359> does, the better error message from TARGET_BUILTIN is a good starts (and helps to simplify D133359 <https://reviews.llvm.org/D133359>).


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  https://reviews.llvm.org/D134127/new/

https://reviews.llvm.org/D134127