[PATCH] Add HSAIL support

[Tom Stellard]

================
Comment at: lib/Basic/Targets.cpp:5416
@@ +5415,3 @@
+    HSAIL_NONE,
+    HSAIL_KAVERI
+  } Device;
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Do we need an HSAIL_CARRIZO target too?

================
Comment at: lib/Basic/Targets.cpp:5482
@@ +5481,3 @@
+    if (FullProfile && Opts.OpenCL) {
+      Builder.defineMacro("cl_khr_fp64");
+    }
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There should be more defines here, like in this patch: http://reviews.llvm.org/D10601

http://reviews.llvm.org/D10586

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