[PATCH] D125247: [ValueTypes] Define MVTs for v128i2/v64i4 as well as i2 and i4.

[Hendrik Greving via Phabricator via llvm-commits]

hgreving created this revision.
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Adds MVT::v128i2, MVT::v64i4, and implied MVT::i2, MVT::i4 to support
for downstream targets.

Keeps MVT::i2, MVT::i4 lowering actions to `expand`, which should be
removed once target explicitly set its action.

Adjusts the remaining 11 lit tests to reflect slightly different
behavior during DAG combine.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D125247

Files:
  llvm/include/llvm/CodeGen/ValueTypes.td
  llvm/include/llvm/Support/MachineValueType.h
  llvm/lib/CodeGen/TargetLoweringBase.cpp
  llvm/lib/CodeGen/ValueTypes.cpp
  llvm/lib/IR/Function.cpp
  llvm/test/CodeGen/AArch64/srem-seteq-illegal-types.ll
  llvm/test/CodeGen/AMDGPU/srem-seteq-illegal-types.ll
  llvm/test/CodeGen/ARM/srem-seteq-illegal-types.ll
  llvm/test/CodeGen/Mips/srem-seteq-illegal-types.ll
  llvm/test/CodeGen/PowerPC/srem-seteq-illegal-types.ll
  llvm/test/CodeGen/RISCV/srem-seteq-illegal-types.ll
  llvm/test/CodeGen/Thumb/srem-seteq-illegal-types.ll
  llvm/test/CodeGen/Thumb2/srem-seteq-illegal-types.ll
  llvm/test/CodeGen/X86/bitreverse.ll
  llvm/test/CodeGen/X86/srem-seteq-illegal-types.ll
  llvm/test/TableGen/intrinsic-pointer-to-any.td
  llvm/utils/TableGen/CodeGenTarget.cpp
  llvm/utils/TableGen/IntrinsicEmitter.cpp

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