SuccessChanges

Summary

  1. [X86] Allow 32-bit mode only CPUs with -mtune on 64-bit targets (details)
Commit cc7bf9bcbfbc8d8188d9fe540c2bc1aee23824af by craig.topper
[X86] Allow 32-bit mode only CPUs with -mtune on 64-bit targets

gcc errors on this, but I'm nervous that since -mtune has been
ignored by clang for so long that there may be code bases out
there that pass 32-bit cpus to clang.
The file was modifiedllvm/include/llvm/Support/X86TargetParser.h
The file was modifiedclang/include/clang/Basic/TargetInfo.h
The file was modifiedclang/test/Driver/x86-mtune.c
The file was modifiedclang/lib/Basic/Targets.cpp
The file was modifiedclang/lib/Basic/Targets/X86.cpp
The file was modifiedclang/lib/Basic/Targets/X86.h
The file was modifiedclang/test/Misc/target-invalid-cpu-note.c