[all-commits] [llvm/llvm-project] ee2add: [GISEL] Fix bugs and clarify spec of G_EXTRACT_SUB...

[Michael Maitland via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ee2add06836afdda6c86792441e6afdf6993f770
      https://github.com/llvm/llvm-project/commit/ee2add06836afdda6c86792441e6afdf6993f770
  Author: Michael Maitland <michaeltmaitland at gmail.com>
  Date:   2024-09-17 (Tue, 17 Sep 2024)

  Changed paths:
    M llvm/docs/GlobalISel/GenericOpcode.rst
    M llvm/include/llvm/Target/GenericOpcodes.td
    M llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
    M llvm/lib/CodeGen/MachineVerifier.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
    M llvm/test/MachineVerifier/test_g_extract_subvector.mir
    M llvm/unittests/CodeGen/GlobalISel/MachineIRBuilderTest.cpp

  Log Message:
  -----------
  [GISEL] Fix bugs and clarify spec of G_EXTRACT_SUBVECTOR (#108848)

The implementation was missing the fact that `G_EXTRACT_SUBVECTOR`
destination and source vector can be different types.

Also fix a bug in the MIR builder for `G_EXTRACT_SUBVECTOR` to generate
the correct opcode.

Clarify the G_EXTRACT_SUBVECTOR specification.



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