1 /* Copyright 2020 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 #ifndef TENSORFLOW_COMPILER_MLIR_TOOLS_KERNEL_GEN_TRANSFORMS_REWRITERS_H_ 17 #define TENSORFLOW_COMPILER_MLIR_TOOLS_KERNEL_GEN_TRANSFORMS_REWRITERS_H_ 18 19 #include "mlir/IR/MLIRContext.h" // from @llvm-project 20 21 namespace mlir { 22 23 class BufferizeTypeConverter; 24 class LLVMTypeConverter; 25 class MLIRContext; 26 class RewritePatternSet; 27 class TypeConverter; 28 29 namespace kernel_gen { 30 namespace tf_framework { 31 32 /// Collects a set of patterns to convert from the TF Framework dialect to LLVM. 33 void PopulateTFFrameworkToLLVMConversionPatterns(LLVMTypeConverter *converter, 34 RewritePatternSet *patterns); 35 36 /// Collects a set of patterns to rewrite functions for use with TF framework 37 /// and also replace `alloc`, `dealloc` and `assert`. 38 void PopulateEmbedTFFrameworkPatterns(RewritePatternSet *patterns); 39 void PopulateEmbedTFFrameworkAssertPattern(RewritePatternSet *patterns); 40 41 } // namespace tf_framework 42 43 namespace transforms { 44 45 /// Collects a set of patterns that bufferize operations from the standard and 46 /// other dialects. 47 void populateExtraBufferizePatterns(MLIRContext *context, 48 BufferizeTypeConverter *converter, 49 RewritePatternSet *patterns); 50 51 /// Populate patterns to rewrite TF operations to TF framework JIT invocations. 52 void PopulateTFToJITInvocationPatterns(MLIRContext *ctx, 53 RewritePatternSet *patterns, 54 llvm::ArrayRef<StringRef> architectures, 55 llvm::ArrayRef<int64_t> tile_sizes, 56 llvm::ArrayRef<int64_t> unroll_factors, 57 int64_t max_supported_rank, 58 bool enable_ftz, bool cpu_codegen); 59 60 } // namespace transforms 61 } // namespace kernel_gen 62 } // namespace mlir 63 64 #endif // TENSORFLOW_COMPILER_MLIR_TOOLS_KERNEL_GEN_TRANSFORMS_REWRITERS_H_ 65