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  1. //===- InlineOrder.h - Inlining order abstraction -*- 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. #ifndef LLVM_ANALYSIS_INLINEORDER_H
  10. #define LLVM_ANALYSIS_INLINEORDER_H
  11.  
  12. #include "llvm/ADT/STLFunctionalExtras.h"
  13. #include "llvm/Analysis/InlineCost.h"
  14. #include <utility>
  15.  
  16. namespace llvm {
  17. class CallBase;
  18.  
  19. template <typename T> class InlineOrder {
  20. public:
  21.   virtual ~InlineOrder() = default;
  22.  
  23.   virtual size_t size() = 0;
  24.  
  25.   virtual void push(const T &Elt) = 0;
  26.  
  27.   virtual T pop() = 0;
  28.  
  29.   virtual void erase_if(function_ref<bool(T)> Pred) = 0;
  30.  
  31.   bool empty() { return !size(); }
  32. };
  33.  
  34. std::unique_ptr<InlineOrder<std::pair<CallBase *, int>>>
  35. getInlineOrder(FunctionAnalysisManager &FAM, const InlineParams &Params);
  36.  
  37. } // namespace llvm
  38. #endif // LLVM_ANALYSIS_INLINEORDER_H
  39.