[PATCH] D33665: [GlobalISel][X86] support G_MERGE_VALUES/G_UNMERGE_VALUES selection.

[Igor Breger via Phabricator via llvm-commits]

igorb created this revision.
Herald added subscribers: kristof.beyls, rovka.

Support G_MERGE_VALUES, G_UNMERGE_VALUES, G_INSERT, G_EXTRACT selection for
vector types. Implement G_MERGE_VALUES/G_UNMERGE_VALUES selection by spliting nodes to
G_INSERT/G_EXTRACT sequense.


https://reviews.llvm.org/D33665

Files:
  lib/Target/X86/X86InstructionSelector.cpp
  lib/Target/X86/X86LegalizerInfo.cpp
  test/CodeGen/X86/GlobalISel/add-vec.ll
  test/CodeGen/X86/GlobalISel/select-extract-vec256.mir
  test/CodeGen/X86/GlobalISel/select-extract-vec512.mir
  test/CodeGen/X86/GlobalISel/select-insert-vec256.mir
  test/CodeGen/X86/GlobalISel/select-insert-vec512.mir
  test/CodeGen/X86/GlobalISel/select-memop-scalar.mir
  test/CodeGen/X86/GlobalISel/select-merge-vec256.mir
  test/CodeGen/X86/GlobalISel/select-merge-vec512.mir

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