[PATCH] Simplify getARMCPUForMArch() and make it more consistent

[Jon Roelofs]

================
Comment at: lib/Driver/Tools.cpp:4887
@@ +4886,3 @@
+  if (MArch.startswith("arm") || MArch.startswith("thumb"))
+    result = llvm::StringSwitch<const char *>(MArch)
+      .EndsWith("v2", "arm2")
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On second thought, this would allow things like "armblahblahblahv4" to be matched as "strongarm".

Maybe it is better to substr MArch to take off the arm/thumb part, then check for eb, chomp that off as well, and finally check that whats left is one of those suffixes.


http://reviews.llvm.org/D3409