[all-commits] [llvm/llvm-project] 712de9: [AArch64] Add all predecessor archs in target info

[Dani via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 712de9d1716c010e895a578ad86cbd47680a4fdd
      https://github.com/llvm/llvm-project/commit/712de9d1716c010e895a578ad86cbd47680a4fdd
  Author: Daniel Kiss <daniel.kiss at arm.com>
  Date:   2022-09-27 (Tue, 27 Sep 2022)

  Changed paths:
    M clang/lib/Basic/Targets/AArch64.cpp
    M clang/lib/Basic/Targets/AArch64.h
    A clang/test/CodeGen/aarch64-subarch-compatbility.c
    M llvm/include/llvm/Support/AArch64TargetParser.def
    M llvm/include/llvm/Support/AArch64TargetParser.h
    M llvm/lib/Support/AArch64TargetParser.cpp
    M llvm/unittests/Support/TargetParserTest.cpp

  Log Message:
  -----------
  [AArch64] Add all predecessor archs in target info

A given function is compatible with all previous arch versions.
To avoid compering values of the attribute this logic adds all predecessor
architecture values.

Reviewed By: dmgreen, DavidSpickett

Differential Revision: https://reviews.llvm.org/D134353