[PATCH] D103510: [RISCV] Use vmv.v.[v|i] if we know COPY is under the same vl and vtype.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

This test case triggers a conversion for a tuple class

  dead $x0 = PseudoVSETVLI killed renamable $x11, 64, implicit-def $vl, implicit-def $vtype
  renamable $v0_v1 = PseudoVLSEG2E8_V_M1 killed renamable $x10, $noreg, 3, implicit $vl, implicit $vtype
  $v2_v3 = COPY $v0_v1                                                         
  PseudoVSSEG2E8_V_M1 killed renamable $v2_v3, killed renamable $x12, $noreg, 3, implicit $vl, implicit $vtype
  PseudoRET


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https://reviews.llvm.org/D103510