[all-commits] [llvm/llvm-project] a6e50e: [RISCV] Improve assembler missing feature warnings

[Simon Cook via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: a6e50e40e6ddaaefff944dc97379b51af7687cae
      https://github.com/llvm/llvm-project/commit/a6e50e40e6ddaaefff944dc97379b51af7687cae
  Author: Simon Cook <simon.cook at embecosm.com>
  Date:   2019-12-10 (Tue, 10 Dec 2019)

  Changed paths:
    M llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
    M llvm/lib/Target/RISCV/RISCV.td
    M llvm/test/MC/RISCV/rv32c-invalid.s
    M llvm/test/MC/RISCV/rv32c-only-valid.s
    M llvm/test/MC/RISCV/rv32dc-valid.s
    M llvm/test/MC/RISCV/rv32f-invalid.s
    M llvm/test/MC/RISCV/rv32fc-valid.s
    M llvm/test/MC/RISCV/rv32i-aliases-invalid.s
    M llvm/test/MC/RISCV/rv32i-invalid.s
    M llvm/test/MC/RISCV/rv32m-invalid.s
    M llvm/test/MC/RISCV/rv64a-valid.s
    M llvm/test/MC/RISCV/rv64c-valid.s
    M llvm/test/MC/RISCV/rv64d-valid.s
    M llvm/test/MC/RISCV/rv64dc-valid.s
    M llvm/test/MC/RISCV/rv64f-valid.s
    M llvm/test/MC/RISCV/rv64i-aliases-invalid.s

  Log Message:
  -----------
  [RISCV] Improve assembler missing feature warnings

This adds support for printing improved missing feature error messages
from the assembler, which now indicates which feature caused the parse
to fail.

Differential Revision: https://reviews.llvm.org/D69899