[PATCH] [ARM] Fix ARM triple parsing.

[Renato Golin]

REPOSITORY
  rL LLVM

================
Comment at: lib/Support/Triple.cpp:270
@@ -237,5 +269,3 @@
     .Cases("arm", "xscale", Triple::arm)
-    // FIXME: It would be good to replace these with explicit names for all the
-    // various suffixes supported.
-    .StartsWith("armv", Triple::arm)
+    .StartsWith("armv", parseARMArch(ArchName))
     .Case("armeb", Triple::armeb)
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Can't we just say:

    .StartsWith("arm", parseARMArch(ArchName))
    .StartsWith("thumb", parseARMArch(ArchName))

and add "arm64" to parseARMArch?

Maybe even adding "aarch64" to it, too, and having:

    .StartsWith("arm", parseARMArch(ArchName))
    .StartsWith("thumb", parseARMArch(ArchName))
    .StartsWith("aarch64", parseARMArch(ArchName))

I wonder how Tim/James would feel about that...

http://reviews.llvm.org/D6058