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diff --git a/src/gallium/frontends/clover/spirv/invocation.hpp b/src/gallium/frontends/clover/spirv/invocation.hpp
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+++ b/src/gallium/frontends/clover/spirv/invocation.hpp
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+//
+// Copyright 2018 Pierre Moreau
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#ifndef CLOVER_SPIRV_INVOCATION_HPP
+#define CLOVER_SPIRV_INVOCATION_HPP
+
+#include "core/context.hpp"
+#include "core/module.hpp"
+#include "core/program.hpp"
+
+namespace clover {
+   namespace spirv {
+      // Returns whether the given binary is considered valid for the given
+      // OpenCL version.
+      //
+      // It uses SPIRV-Tools validator to do the validation, and potential
+      // warnings and errors are appended to |r_log|.
+      bool is_valid_spirv(const std::vector<char> &binary,
+                          const std::string &opencl_version,
+                          std::string &r_log);
+
+      // Creates a clover module out of the given SPIR-V binary.
+      module compile_program(const std::vector<char> &binary,
+                             const device &dev, std::string &r_log);
+
+      // Combines multiple clover modules into a single one, resolving
+      // link dependencies between them.
+      module link_program(const std::vector<module> &modules, const device &dev,
+                          const std::string &opts, std::string &r_log);
+
+      // Returns a textual representation of the given binary.
+      std::string print_module(const std::vector<char> &binary,
+                               const std::string &opencl_version);
+   }
+}
+
+#endif