1 /* 2 * Copyright 2016, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "InlinePreparationPass.h" 18 19 #include "llvm/IR/Module.h" 20 #include "llvm/Pass.h" 21 #include "llvm/Support/Debug.h" 22 #include "llvm/Support/raw_ostream.h" 23 24 #include "Context.h" 25 26 #define DEBUG_TYPE "rs2spirv-inline" 27 28 using namespace llvm; 29 30 namespace rs2spirv { 31 32 namespace { 33 34 class InlinePreparationPass : public ModulePass { 35 public: 36 static char ID; 37 explicit InlinePreparationPass() : ModulePass(ID) {} 38 39 const char *getPassName() const override { return "InlinePreparationPass"; } 40 41 bool runOnModule(Module &M) override { 42 DEBUG(dbgs() << "InlinePreparationPass\n"); 43 44 rs2spirv::Context &Ctxt = rs2spirv::Context::getInstance(); 45 46 for (auto &F : M.functions()) { 47 if (F.isDeclaration()) { 48 continue; 49 } 50 51 if (Ctxt.isForEachKernel(F.getName())) { 52 continue; // Skip kernels. 53 } 54 55 F.addFnAttr(Attribute::AlwaysInline); 56 F.setLinkage(GlobalValue::InternalLinkage); 57 58 DEBUG(dbgs() << "Marked as alwaysinline:\t" << F.getName() << '\n'); 59 } 60 61 // Returns true, because this pass modifies the Module. 62 return true; 63 } 64 }; 65 66 } // namespace 67 68 char InlinePreparationPass::ID = 0; 69 70 ModulePass *createInlinePreparationPass() { 71 return new InlinePreparationPass(); 72 } 73 74 } // namespace rs2spirv 75
