Make libbcc public.
This commit is not expected to change any functionality.
diff --git a/lib/RenderScript/RSCompiler.cpp b/lib/RenderScript/RSCompiler.cpp
new file mode 100644
index 0000000..4325f11
--- /dev/null
+++ b/lib/RenderScript/RSCompiler.cpp
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2012, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "bcc/RenderScript/RSCompiler.h"
+
+#include <llvm/Module.h>
+#include <llvm/PassManager.h>
+#include <llvm/Transforms/IPO.h>
+
+#include "bcc/RenderScript/RSExecutable.h"
+#include "bcc/RenderScript/RSInfo.h"
+#include "bcc/RenderScript/RSScript.h"
+#include "bcc/RenderScript/RSTransforms.h"
+#include "bcc/Source.h"
+#include "bcc/Support/DebugHelper.h"
+
+using namespace bcc;
+
+bool RSCompiler::beforeAddLTOPasses(Script &pScript, llvm::PassManager &pPM) {
+ // Add a pass to internalize the symbols that don't need to have global
+ // visibility.
+ RSScript &script = static_cast<RSScript &>(pScript);
+ const RSInfo *info = script.getInfo();
+
+ // The vector contains the symbols that should not be internalized.
+ std::vector<const char *> export_symbols;
+
+ // Special RS functions should always be global symbols.
+ const char **special_functions = RSExecutable::SpecialFunctionNames;
+ while (*special_functions != NULL) {
+ export_symbols.push_back(*special_functions);
+ special_functions++;
+ }
+
+ // Visibility of symbols appeared in rs_export_var and rs_export_func should
+ // also be preserved.
+ const RSInfo::ExportVarNameListTy &export_vars = info->getExportVarNames();
+ const RSInfo::ExportFuncNameListTy &export_funcs = info->getExportFuncNames();
+
+ for (RSInfo::ExportVarNameListTy::const_iterator
+ export_var_iter = export_vars.begin(),
+ export_var_end = export_vars.end();
+ export_var_iter != export_var_end; export_var_iter++) {
+ export_symbols.push_back(*export_var_iter);
+ }
+
+ for (RSInfo::ExportFuncNameListTy::const_iterator
+ export_func_iter = export_funcs.begin(),
+ export_func_end = export_funcs.end();
+ export_func_iter != export_func_end; export_func_iter++) {
+ export_symbols.push_back(*export_func_iter);
+ }
+
+ // Expanded foreach functions should not be internalized, too.
+ const RSInfo::ExportForeachFuncListTy &export_foreach_func =
+ info->getExportForeachFuncs();
+ std::vector<std::string> expanded_foreach_funcs;
+ for (RSInfo::ExportForeachFuncListTy::const_iterator
+ foreach_func_iter = export_foreach_func.begin(),
+ foreach_func_end = export_foreach_func.end();
+ foreach_func_iter != foreach_func_end; foreach_func_iter++) {
+ std::string name(foreach_func_iter->first);
+ expanded_foreach_funcs.push_back(name.append(".expand"));
+ export_symbols.push_back(expanded_foreach_funcs.back().c_str());
+ }
+
+ pPM.add(llvm::createInternalizePass(export_symbols));
+
+ return true;
+}
+
+bool RSCompiler::beforeExecuteLTOPasses(Script &pScript,
+ llvm::PassManager &pPM) {
+ // Execute a pass to expand foreach-able functions
+ llvm::PassManager rs_passes;
+
+ // Script passed to RSCompiler must be a RSScript.
+ RSScript &script = static_cast<RSScript &>(pScript);
+ const RSInfo *info = script.getInfo();
+ llvm::Module &module = script.getSource().getModule();
+
+ if (info == NULL) {
+ ALOGE("Missing RSInfo in RSScript to run the pass for foreach expansion on "
+ "%s!", module.getModuleIdentifier().c_str());
+ return false;
+ }
+
+ // Expand ForEach on CPU path to reduce launch overhead.
+ rs_passes.add(createRSForEachExpandPass(info->getExportForeachFuncs()));
+
+ // Execute the pass.
+ rs_passes.run(module);
+
+ return true;
+}