[PATCH] D63111: [GlobalISel] Add a G_JUMP_TABLE opcode

[Amara Emerson via Phabricator via llvm-commits]

aemerson created this revision.
aemerson added reviewers: jpaquette, qcolombet, dsanders, arsenm, Petar.Avramovic.
aemerson added a project: LLVM.
Herald added subscribers: volkan, hiraditya, kristof.beyls, rovka, wdng.
Herald added a reviewer: paquette.

This opcode generates a pointer to the address of the jump table specified by the source operand, which is a jump table index.

It will be used in conjunction with an upcoming G_BRJT opcode to support jump table codegen with GlobalISel.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D63111

Files:
  llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
  llvm/include/llvm/Support/TargetOpcodes.def
  llvm/include/llvm/Target/GenericOpcodes.td
  llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
  llvm/lib/CodeGen/MachineVerifier.cpp
  llvm/test/MachineVerifier/test_g_jump_table.mir

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