[all-commits] [llvm/llvm-project] 6523ff: [ValueTypes] Add MVTs for v256i16 and v256f16

[Fraser Cormack via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6523ff6d4759b2bca7a0c056e31e4bb76caf7324
      https://github.com/llvm/llvm-project/commit/6523ff6d4759b2bca7a0c056e31e4bb76caf7324
  Author: Fraser Cormack <fraser at codeplay.com>
  Date:   2021-05-04 (Tue, 04 May 2021)

  Changed paths:
    M llvm/include/llvm/CodeGen/ValueTypes.td
    M llvm/include/llvm/Support/MachineValueType.h
    M llvm/lib/CodeGen/ValueTypes.cpp
    A llvm/test/CodeGen/RISCV/rvv/interleave-crash.ll

  Log Message:
  -----------
  [ValueTypes] Add MVTs for v256i16 and v256f16

This patch adds the two MVTs to fix a legalizer crash when using vector
shuffles of <256 x i16> and <128 x i16> on RISC-V. The legalizer can't
promote the operand of `v256i32 = any_extend_vector_inreg v128i16`.

Reviewed By: craig.topper, RKSimon

Differential Revision: https://reviews.llvm.org/D101769