clover: Import OpenCL state tracker.

src/gallium/state_trackers/clover/llvm/invocation.cpp

@@ -0,0 +1,94 @@
+//
+// Copyright 2012 Francisco Jerez
+//
+// 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 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.
+//
+
+#include "core/compiler.hpp"
+
+#if 0
+#include <clang/Frontend/CompilerInstance.h>
+#include <clang/Frontend/TextDiagnosticPrinter.h>
+#include <clang/CodeGen/CodeGenAction.h>
+#include <llvm/LLVMContext.h>
+#include <llvm/Support/TargetSelect.h>
+#include <llvm/Support/MemoryBuffer.h>
+
+#include <iostream>
+#include <iomanip>
+#include <fstream>
+#include <cstdio>
+#endif
+
+using namespace clover;
+
+#if 0
+namespace {
+   void
+   build_binary(const std::string &source, const std::string &target,
+                const std::string &name) {
+      clang::CompilerInstance c;
+      clang::EmitObjAction act(&llvm::getGlobalContext());
+      std::string log;
+      llvm::raw_string_ostream s_log(log);
+
+      LLVMInitializeTGSITarget();
+      LLVMInitializeTGSITargetInfo();
+      LLVMInitializeTGSITargetMC();
+      LLVMInitializeTGSIAsmPrinter();
+
+      c.getFrontendOpts().Inputs.push_back(
+         std::make_pair(clang::IK_OpenCL, name));
+      c.getHeaderSearchOpts().UseBuiltinIncludes = false;
+      c.getHeaderSearchOpts().UseStandardIncludes = false;
+      c.getLangOpts().NoBuiltin = true;
+      c.getTargetOpts().Triple = target;
+      c.getInvocation().setLangDefaults(clang::IK_OpenCL);
+      c.createDiagnostics(0, NULL, new clang::TextDiagnosticPrinter(
+                             s_log, c.getDiagnosticOpts()));
+
+      c.getPreprocessorOpts().addRemappedFile(
+         name, llvm::MemoryBuffer::getMemBuffer(source));
+
+      if (!c.ExecuteAction(act))
+         throw build_error(log);
+   }
+
+   module
+   load_binary(const char *name) {
+      std::ifstream fs((name));
+      std::vector<unsigned char> str((std::istreambuf_iterator<char>(fs)),
+                                     (std::istreambuf_iterator<char>()));
+      compat::istream cs(str);
+      return module::deserialize(cs);
+   }
+}
+#endif
+
+module
+clover::compile_program_llvm(const compat::string &source,
+                             const compat::string &target) {
+#if 0
+   build_binary(source, target, "cl_input");
+   module m = load_binary("cl_input.o");
+   std::remove("cl_input.o");
+   return m;
+#endif
+   return module();
+}