[PATCH] Add HSAIL support

[Matt Arsenault]

================
Comment at: lib/Basic/Targets.cpp:5416
@@ +5415,3 @@
+    HSAIL_NONE,
+    HSAIL_KAVERI
+  } Device;
----------------
tstellarAMD wrote:
> Do we need an HSAIL_CARRIZO target too?
There need to be a lot more than that, I have just been using kaveri as the example. Later all the other device names need to be added

http://reviews.llvm.org/D10586

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