[PATCH] D22373: [GlobalISel] Introduce a simple instruction selector.

[Ahmed Bougacha via llvm-commits]

ab updated this revision to Diff 64915.
ab marked an inline comment as done.
ab added a comment.

- Rebase onto LLT
- Fail instead of asserting on currently unsupported constructs
- Enforce a few additional constraints (in particular: generic ops can only have vreg operands, that have to be on the same bank)
- Don't constrain with COPYs (as we can't test this right now)


https://reviews.llvm.org/D22373

Files:
  include/llvm/CodeGen/GlobalISel/GISelAccessor.h
  include/llvm/CodeGen/GlobalISel/InstructionSelect.h
  include/llvm/CodeGen/GlobalISel/InstructionSelector.h
  include/llvm/CodeGen/GlobalISel/RegisterBankInfo.h
  include/llvm/CodeGen/TargetPassConfig.h
  include/llvm/InitializePasses.h
  include/llvm/Target/TargetSubtargetInfo.h
  lib/CodeGen/GlobalISel/CMakeLists.txt
  lib/CodeGen/GlobalISel/GlobalISel.cpp
  lib/CodeGen/GlobalISel/InstructionSelect.cpp
  lib/CodeGen/GlobalISel/InstructionSelector.cpp
  lib/CodeGen/GlobalISel/RegisterBankInfo.cpp
  lib/CodeGen/LLVMTargetMachine.cpp
  lib/CodeGen/MachineRegisterInfo.cpp
  lib/Target/AArch64/AArch64InstructionSelector.cpp
  lib/Target/AArch64/AArch64InstructionSelector.h
  lib/Target/AArch64/AArch64Subtarget.cpp
  lib/Target/AArch64/AArch64Subtarget.h
  lib/Target/AArch64/AArch64TargetMachine.cpp
  lib/Target/AArch64/CMakeLists.txt
  lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
  test/CodeGen/AArch64/GlobalISel/arm64-instructionselect.mir

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