1 //===- OCLTypeToSPIRV.h - Adapt types from OCL for SPIRV --------*- C++ -*-===// 2 // 3 // The LLVM/SPIRV Translator 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 // Copyright (c) 2014 Advanced Micro Devices, Inc. All rights reserved. 9 // 10 // Permission is hereby granted, free of charge, to any person obtaining a 11 // copy of this software and associated documentation files (the "Software"), 12 // to deal with the Software without restriction, including without limitation 13 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 14 // and/or sell copies of the Software, and to permit persons to whom the 15 // Software is furnished to do so, subject to the following conditions: 16 // 17 // Redistributions of source code must retain the above copyright notice, 18 // this list of conditions and the following disclaimers. 19 // Redistributions in binary form must reproduce the above copyright notice, 20 // this list of conditions and the following disclaimers in the documentation 21 // and/or other materials provided with the distribution. 22 // Neither the names of Advanced Micro Devices, Inc., nor the names of its 23 // contributors may be used to endorse or promote products derived from this 24 // Software without specific prior written permission. 25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 26 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 27 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 28 // CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 29 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 30 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH 31 // THE SOFTWARE. 32 // 33 //===----------------------------------------------------------------------===// 34 // 35 // This file implements adaptation of OCL types for SPIRV. It does not modify 36 // the module. Instead, it returns adapted function type based on kernel 37 // argument metadata. Later LLVM/SPIRV translator will translate the adapted 38 // type instead of the original type. 39 // 40 //===----------------------------------------------------------------------===// 41 #include "llvm/Support/SPIRV.h" 42 #include "llvm/Pass.h" 43 #include "llvm/IR/LLVMContext.h" 44 #include "llvm/IR/Function.h" 45 46 #include <map> 47 #include <set> 48 49 using namespace llvm; 50 51 namespace SPIRV { 52 53 class OCLTypeToSPIRV: public ModulePass { 54 public: 55 OCLTypeToSPIRV(); 56 virtual void getAnalysisUsage(AnalysisUsage &AU) const; 57 virtual bool runOnModule(Module &M); 58 59 /// \return Adapted type based on kernel argument metadata. If \p V is 60 /// a function, returns function type. 61 /// E.g. for a function with argument of read only opencl.image_2d_t* type 62 /// returns a function with argument of type opencl.image2d_t.read_only*. 63 Type *getAdaptedType(Value *V); 64 65 static char ID; 66 private: 67 Module *M; 68 LLVMContext *Ctx; 69 std::map<Value*, Type*> AdaptedTy; // Adapted types for values 70 std::set<Function *> WorkSet; // Functions to be adapted 71 72 MDNode *getArgBaseTypeMetadata(Function *); 73 MDNode *getArgAccessQualifierMetadata(Function *); 74 MDNode *getArgMetadata(Function *, const std::string& MDName); 75 MDNode *getKernelMetadata(Function *F); 76 void adaptArgumentsByMetadata(Function* F); 77 void adaptArgumentsBySamplerUse(Module &M); 78 void adaptFunction(Function *F); 79 void addAdaptedType(Value *V, Type *T); 80 void addWork(Function *F); 81 }; 82 83 } 84
