MVE VCMP instructions can use a general purpose register as the second operand. This adds the combines for it, selecting from a compare of a vdup.
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[ARM] MVE compare vector splat combine ClosedPublic Authored by dmgreen on Jul 21 2019, 11:09 AM.
Details Summary MVE VCMP instructions can use a general purpose register as the second operand. This adds the combines for it, selecting from a compare of a vdup.
Diff Detail
Event Timelinedmgreen added a child revision: D65062: [ARM] More MVE compare vector splat combines for AND's.Jul 21 2019, 11:19 AM This revision is now accepted and ready to land.Jul 22 2019, 1:03 AM Closed by commit rL366924: [ARM] MVE compare vector splat combine (authored by dmgreen). · Explain WhyJul 24 2019, 10:02 AM This revision was automatically updated to reflect the committed changes.
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Diff 211542 llvm/trunk/lib/Target/ARM/ARMInstrMVE.td
llvm/trunk/test/CodeGen/Thumb2/mve-vcmpfr.ll
llvm/trunk/test/CodeGen/Thumb2/mve-vcmpr.ll
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