1 //===- NoInferenceModelRunner.h ---- noop ML model runner  ------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 
10 #ifndef LLVM_ANALYSIS_NOINFERENCEMODELRUNNER_H
11 #define LLVM_ANALYSIS_NOINFERENCEMODELRUNNER_H
12 
13 #include "llvm/Analysis/MLModelRunner.h"
14 #include "llvm/Analysis/TensorSpec.h"
15 #include "llvm/Config/llvm-config.h"
16 namespace llvm {
17 /// A pseudo model runner. We use it to store feature values when collecting
18 /// logs for the default policy, in 'development' mode, but never ask it to
19 /// 'run'.
20 class NoInferenceModelRunner : public MLModelRunner {
21 public:
22   NoInferenceModelRunner(LLVMContext &Ctx,
23                          const std::vector<TensorSpec> &Inputs);
24 
classof(const MLModelRunner * R)25   static bool classof(const MLModelRunner *R) {
26     return R->getKind() == MLModelRunner::Kind::NoOp;
27   }
28 
29 private:
evaluateUntyped()30   void *evaluateUntyped() override {
31     llvm_unreachable("We shouldn't call run on this model runner.");
32   }
33 };
34 } // namespace llvm
35 #endif // LLVM_ANALYSIS_NOINFERENCEMODELRUNNER_H
36