[PATCH] D36692: [ARM, Asm] Add diagnostics for general-purpose register operands

[Oliver Stannard via Phabricator via llvm-commits]

olista01 created this revision.
Herald added subscribers: kristof.beyls, javed.absar, aemerson.

This adds diagnostic strings for the ARM general-purpose register
classes, which will be used when these classes are expected by the
assembler, but the provided operand is not valid.

One of these, rGPR, requires C++ code to select the correct error
message, as that class contains different registers in pre-v8 and v8
targets. The rest can all have their diagnostic strings stored in the
tablegen description of them.


Repository:
  rL LLVM

https://reviews.llvm.org/D36692

Files:
  lib/Target/ARM/ARMRegisterInfo.td
  lib/Target/ARM/AsmParser/ARMAsmParser.cpp
  test/MC/ARM/basic-thumb2-instructions-v8.s
  test/MC/ARM/diagnostics.s
  test/MC/ARM/ldrd-strd-gnu-thumb-bad-regs.s
  test/MC/ARM/lsl-zero-errors.s
  test/MC/ARM/negative-immediates-fail.s
  test/MC/ARM/negative-immediates-thumb1-fail.s
  test/MC/ARM/register-token-source-loc.s
  test/MC/ARM/thumb-branch-errors.s
  test/MC/ARM/thumb-diagnostics.s
  test/MC/ARM/thumb-mov.s
  test/MC/ARM/thumb2-diagnostics.s
  test/MC/ARM/thumb2-strd.s
  test/MC/ARM/thumbv8m.s

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