Pirama Arumuga Nainar | 9fe081b | 2015-01-27 14:09:19 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015, 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 | |
Jean-Luc Brouillet | a2dd52f | 2017-02-16 20:57:26 -0800 | [diff] [blame] | 17 | #include "Log.h" |
| 18 | #include "RSTransforms.h" |
Pirama Arumuga Nainar | 9fe081b | 2015-01-27 14:09:19 -0800 | [diff] [blame] | 19 | |
| 20 | #include <cstdlib> |
| 21 | |
| 22 | #include <llvm/IR/Instructions.h> |
| 23 | #include <llvm/IR/Metadata.h> |
| 24 | #include <llvm/IR/Module.h> |
| 25 | #include <llvm/IR/Function.h> |
| 26 | #include <llvm/Pass.h> |
| 27 | |
| 28 | namespace { // anonymous namespace |
| 29 | |
| 30 | // Create a Module pass that screens all the global functions in the module and |
| 31 | // check if any non-threadable function is callable. If so, we mark the |
| 32 | // Module as non-threadable by adding a metadata flag '#rs_is_threadable' |
| 33 | |
| 34 | class RSIsThreadablePass : public llvm::ModulePass { |
| 35 | private: |
| 36 | static char ID; |
| 37 | |
| 38 | std::vector<std::string> nonThreadableFns = { |
| 39 | "_Z22rsgBindProgramFragment19rs_program_fragment", |
| 40 | "_Z19rsgBindProgramStore16rs_program_store", |
| 41 | "_Z20rsgBindProgramVertex17rs_program_vertex", |
| 42 | "_Z20rsgBindProgramRaster17rs_program_raster", |
| 43 | "_Z14rsgBindSampler19rs_program_fragmentj10rs_sampler", |
| 44 | "_Z14rsgBindTexture19rs_program_fragmentj13rs_allocation", |
| 45 | "_Z15rsgBindConstant19rs_program_fragmentj13rs_allocation", |
| 46 | "_Z15rsgBindConstant17rs_program_vertexj13rs_allocation", |
| 47 | "_Z36rsgProgramVertexLoadProjectionMatrixPK12rs_matrix4x4", |
| 48 | "_Z31rsgProgramVertexLoadModelMatrixPK12rs_matrix4x4", |
| 49 | "_Z33rsgProgramVertexLoadTextureMatrixPK12rs_matrix4x4", |
| 50 | "_Z35rsgProgramVertexGetProjectionMatrixP12rs_matrix4x4", |
| 51 | "_Z31rsgProgramFragmentConstantColor19rs_program_fragmentffff", |
| 52 | "_Z11rsgGetWidthv", |
| 53 | "_Z12rsgGetHeightv", |
| 54 | "_Z11rsgDrawRectfffff", |
| 55 | "_Z11rsgDrawQuadffffffffffff", |
| 56 | "_Z20rsgDrawQuadTexCoordsffffffffffffffffffff", |
| 57 | "_Z24rsgDrawSpriteScreenspacefffff", |
| 58 | "_Z11rsgDrawMesh7rs_mesh", |
| 59 | "_Z11rsgDrawMesh7rs_meshj", |
| 60 | "_Z11rsgDrawMesh7rs_meshjjj", |
| 61 | "_Z25rsgMeshComputeBoundingBox7rs_meshPfS0_S0_S0_S0_S0_", |
| 62 | "_Z11rsgDrawPath7rs_path", |
| 63 | "_Z13rsgClearColorffff", |
| 64 | "_Z13rsgClearDepthf", |
| 65 | "_Z11rsgDrawTextPKcii", |
| 66 | "_Z11rsgDrawText13rs_allocationii", |
| 67 | "_Z14rsgMeasureTextPKcPiS1_S1_S1_", |
| 68 | "_Z14rsgMeasureText13rs_allocationPiS0_S0_S0_", |
| 69 | "_Z11rsgBindFont7rs_font", |
| 70 | "_Z12rsgFontColorffff", |
| 71 | "_Z18rsgBindColorTarget13rs_allocationj", |
| 72 | "_Z18rsgBindDepthTarget13rs_allocation", |
| 73 | "_Z19rsgClearColorTargetj", |
| 74 | "_Z19rsgClearDepthTargetv", |
| 75 | "_Z24rsgClearAllRenderTargetsv", |
| 76 | "_Z7rsGetDtv", |
| 77 | "_Z5colorffff", |
| 78 | "_Z9rsgFinishv", |
| 79 | }; |
| 80 | |
Chih-Hung Hsieh | 8a019dd | 2016-08-12 15:49:55 -0700 | [diff] [blame] | 81 | bool isPresent(std::vector<std::string> &list, const std::string &name) { |
Pirama Arumuga Nainar | 9fe081b | 2015-01-27 14:09:19 -0800 | [diff] [blame] | 82 | auto lower = std::lower_bound(list.begin(), |
| 83 | list.end(), |
| 84 | name); |
| 85 | |
| 86 | if (lower != list.end() && name.compare(*lower) == 0) |
| 87 | return true; |
| 88 | return false; |
| 89 | } |
| 90 | |
| 91 | public: |
| 92 | RSIsThreadablePass() |
| 93 | : ModulePass (ID) { |
| 94 | std::sort(nonThreadableFns.begin(), nonThreadableFns.end()); |
| 95 | } |
| 96 | |
| 97 | virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override { |
| 98 | AU.setPreservesAll(); |
| 99 | } |
| 100 | |
| 101 | bool runOnModule(llvm::Module &M) override { |
| 102 | bool threadable = true; |
| 103 | |
| 104 | auto &FunctionList(M.getFunctionList()); |
| 105 | for (auto &F: FunctionList) { |
| 106 | if (isPresent(nonThreadableFns, F.getName().str())) { |
| 107 | threadable = false; |
| 108 | break; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | llvm::LLVMContext &context = M.getContext(); |
| 113 | llvm::MDString *val = |
| 114 | llvm::MDString::get(context, (threadable) ? "yes" : "no"); |
| 115 | llvm::NamedMDNode *node = |
| 116 | M.getOrInsertNamedMetadata("#rs_is_threadable"); |
| 117 | node->addOperand(llvm::MDNode::get(context, val)); |
| 118 | |
| 119 | return false; |
| 120 | } |
| 121 | |
| 122 | }; |
| 123 | |
| 124 | } |
| 125 | |
| 126 | char RSIsThreadablePass::ID = 0; |
| 127 | |
| 128 | namespace bcc { |
| 129 | |
| 130 | llvm::ModulePass * |
| 131 | createRSIsThreadablePass () { |
| 132 | return new RSIsThreadablePass(); |
| 133 | } |
| 134 | |
| 135 | } |