Summary:
This CL adds clang declarations of built-in functions for AMDGPU MFMA intrinsics and instructions.
OpenCL tests for new built-ins are included.

Differential Revision: https://reviews.llvm.org/D72723
diff --git a/clang/lib/Basic/Targets/AMDGPU.cpp b/clang/lib/Basic/Targets/AMDGPU.cpp
index 249a123..0aaf681 100644
--- a/clang/lib/Basic/Targets/AMDGPU.cpp
+++ b/clang/lib/Basic/Targets/AMDGPU.cpp
@@ -163,6 +163,7 @@
       Features["dot4-insts"] = true;
       Features["dot5-insts"] = true;
       Features["dot6-insts"] = true;
+      Features["mai-insts"] = true;
       LLVM_FALLTHROUGH;
     case GK_GFX906:
       Features["dl-insts"] = true;