Initial open source release of OpenCL 2.2 CTS.

readme-spir-v-binaries.txt

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+To run the 2.2 conformance tests test suite for the C++ features you need need 
+SPIR-V binaries.
+
+If you are using a conformance package then the binaries are included in the 
+package. If you are using conformance tests from gitlab repositories then the
+binaries need to be picked up from Khronos SVN URL mentioned below:
+
+https://cvs.khronos.org/svn/repos/OpenCL/trunk/Khronos/spirv/spirv10_2015.11.25.zip
+
+
+Alternatively you can check out and build all of the below repositories.
+
+1. SPIRV-LLVM
+LLVM with support for SPIR-V (required by clang compiler)
+Repository: https://gitlab.khronos.org/opencl/SPIRV-LLVM
+Branch: spec_constants 
+Notes: spirv-3.6.1 is a main branch with support for OpenCL C++ kernel language,
+  spec_constants is based on it, but it adds support for specialization constants.
+
+2. Clang 
+Clang with support for OpenCL C++ kernel language
+Repository: https://gitlab.khronos.org/opencl/clang
+Branch: spec_constants 
+Notes: spirv-1.1 is a main branch with support for OpenCL C++ kernel language, 
+  spec_constants is based on it, but it adds support for specialization constants.
+
+3. libclcxx
+OpenCL C++ Standard Library
+Repository: https://gitlab.khronos.org/opencl/libclcxx 
+Branch: lit_tests_cl22   
+Notes: lit_tests_cl22 branch includes both LIT tests and changes introduced in 
+  spec_constants branch, that is, implementation of Specialization Constants Library.   
+
+4. OpenCL 2.2 headers
+OpenCL 2.2 headers
+Repository: https://gitlab.khronos.org/opencl/headers 
+Branch: opencl22 
+
+5. OpenCL ICD (with 2.2 support)
+OpenCL ICD 
+Repository: https://gitlab.khronos.org/opencl/icd 
+Branch: dev_cl22