[PATCH] D11824: Make target feature 'arm' cover both 32 and 64 bit architecutres

[Ben Langmuir via cfe-commits]

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    ... and add aarch32 to specifically refer to the 32-bit ones.
    
    Previously, 'arm' meant only 32-bit architectures and there was no way
    for a module to build with both 32 and 64 bit ARM architectures.
    
    Now a module that is intended to work on both architectures can specify
        requires arm
    whereas a module only for 32-bit platforms can say
        requires aarch32
    and just like before, 64-bit only can say
        requires aarch64


Repository:
  rL LLVM

http://reviews.llvm.org/D11824

Files:
  lib/Basic/Targets.cpp
  test/Modules/Inputs/module.map
  test/Modules/compiler_builtins_aarch64.m
  test/Modules/target-features.m

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