/*
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* Copyright 2016, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef RS2SPIRV_RS_ALLOCATION_UTILS_H
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#define RS2SPIRV_RS_ALLOCATION_UTILS_H
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/SmallVector.h"
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#include <string>
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namespace llvm {
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class CallInst;
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class GlobalVariable;
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class Module;
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class Type;
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} // namespace llvm
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namespace rs2spirv {
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struct RSAllocationInfo {
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std::string VarName;
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llvm::Optional<std::string> RSElementType;
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llvm::GlobalVariable *GlobalVar;
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// Assigned unique identifier for this allocation;
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// not the slot #.
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// Represents the index of this allocation's metadata
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// in the global allocation metadata Vulkan buffer
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int ID;
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bool hasID(void) const { return ID >= 0; }
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void assignID(int no) { ID = no; }
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};
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enum class RSAllocAccessKind { GEA, SEA, DIMX };
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struct RSAllocationCallInfo {
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RSAllocationInfo &RSAlloc;
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llvm::CallInst *FCall;
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RSAllocAccessKind Kind;
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std::string RSElementTy;
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};
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bool isRSAllocation(const llvm::GlobalVariable &GV);
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bool getRSAllocationInfo(llvm::Module &M,
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llvm::SmallVectorImpl<RSAllocationInfo> &Allocs);
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bool getRSAllocAccesses(llvm::SmallVectorImpl<RSAllocationInfo> &Allocs,
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llvm::SmallVectorImpl<RSAllocationCallInfo> &Calls);
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bool solidifyRSAllocAccess(llvm::Module &M, RSAllocationCallInfo CallInfo);
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} // namespace rs2spirv
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#endif
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