[PATCH] D91257: [ARM] Deliberately prevent inline asm in low overhead loops. NFC

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: SjoerdMeijer, samtebbs, samparker, simon_tatham.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.
dmgreen requested review of this revision.

This was already something that was handled by one of the "else" branches in maybeLoweredToCall, so this patch is an NFC but makes it explicit and adds a test. We may in the future want to support this under certain situations but for the moment just don't try and create low overhead loops with inline asm in them.


https://reviews.llvm.org/D91257

Files:
  llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/inlineasm.ll

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