Initial backend compiler for RSoV
Bug: 30964317
This compiler compiles RenderScript LLVM bitcode into SPIR-V.
This was done by Jakub Kuderski as part of his 2016 summer internship
at Google.
Test: build
Change-Id: I395cdab2b97451b9e0a9b866af2d112ead73ab72
diff --git a/rsov/compiler/RSAllocationUtils.h b/rsov/compiler/RSAllocationUtils.h
new file mode 100644
index 0000000..5b5b818
--- /dev/null
+++ b/rsov/compiler/RSAllocationUtils.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2016, 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.
+ */
+
+#ifndef RS2SPIRV_RS_ALLOCATION_UTILS_H
+#define RS2SPIRV_RS_ALLOCATION_UTILS_H
+
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
+
+namespace llvm {
+class CallInst;
+class GlobalVariable;
+class Module;
+class Type;
+}
+
+namespace rs2spirv {
+
+struct RSAllocationInfo {
+ std::string VarName;
+ llvm::Optional<std::string> RSElementType;
+ llvm::GlobalVariable *GlobalVar;
+};
+
+enum class RSAllocAccessKind { GEA, SEA };
+
+struct RSAllocationCallInfo {
+ RSAllocationInfo &RSAlloc;
+ llvm::CallInst *FCall;
+ RSAllocAccessKind Kind;
+ std::string RSElementTy;
+};
+
+bool isRSAllocation(const llvm::GlobalVariable &GV);
+llvm::Optional<llvm::StringRef> getRSTypeName(const llvm::GlobalVariable &GV);
+bool getRSAllocationInfo(llvm::Module &M,
+ llvm::SmallVectorImpl<RSAllocationInfo> &Allocs);
+bool getRSAllocAccesses(llvm::SmallVectorImpl<RSAllocationInfo> &Allocs,
+ llvm::SmallVectorImpl<RSAllocationCallInfo> &Calls);
+bool solidifyRSAllocAccess(llvm::Module &M, RSAllocationCallInfo CallInfo);
+
+} // namespace rs2spirv
+
+#endif