[PATCH] D84110: [ARM] Constant fold VCTP intrinsics

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: simon_tatham, samparker, SjoerdMeijer, efriedma, ostannard.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.

We can sometimes get into the situation where the operand to a vctp intrinsic becomes constant, such as after a loop is fully unrolled. This adds the constant folding needed for them, allowing them to simplify away and hopefully simplifying remaining instructions.


https://reviews.llvm.org/D84110

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/test/Transforms/InstCombine/ARM/mve-vctp.ll

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