LCOV - code coverage report
Current view: top level - include/llvm/Analysis - AliasAnalysisEvaluator.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 9 9 100.0 %
Date: 2017-09-14 15:23:50 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- AliasAnalysisEvaluator.h - Alias Analysis Accuracy Evaluator -------===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : /// \file
      10             : ///
      11             : /// This file implements a simple N^2 alias analysis accuracy evaluator. The
      12             : /// analysis result is a set of statistics of how many times the AA
      13             : /// infrastructure provides each kind of alias result and mod/ref result when
      14             : /// queried with all pairs of pointers in the function.
      15             : ///
      16             : /// It can be used to evaluate a change in an alias analysis implementation,
      17             : /// algorithm, or the AA pipeline infrastructure itself. It acts like a stable
      18             : /// and easily tested consumer of all AA information exposed.
      19             : ///
      20             : /// This is inspired and adapted from code by: Naveen Neelakantam, Francesco
      21             : /// Spadini, and Wojciech Stryjewski.
      22             : ///
      23             : //===----------------------------------------------------------------------===//
      24             : 
      25             : #ifndef LLVM_ANALYSIS_ALIASANALYSISEVALUATOR_H
      26             : #define LLVM_ANALYSIS_ALIASANALYSISEVALUATOR_H
      27             : 
      28             : #include "llvm/IR/Function.h"
      29             : #include "llvm/IR/PassManager.h"
      30             : 
      31             : namespace llvm {
      32             : class AAResults;
      33             : 
      34             : class AAEvaluator : public PassInfoMixin<AAEvaluator> {
      35             :   int64_t FunctionCount;
      36             :   int64_t NoAliasCount, MayAliasCount, PartialAliasCount, MustAliasCount;
      37             :   int64_t NoModRefCount, ModCount, RefCount, ModRefCount;
      38             : 
      39             : public:
      40             :   AAEvaluator()
      41         145 :       : FunctionCount(), NoAliasCount(), MayAliasCount(), PartialAliasCount(),
      42             :         MustAliasCount(), NoModRefCount(), ModCount(), RefCount(),
      43         145 :         ModRefCount() {}
      44             :   AAEvaluator(AAEvaluator &&Arg)
      45         176 :       : FunctionCount(Arg.FunctionCount), NoAliasCount(Arg.NoAliasCount),
      46          88 :         MayAliasCount(Arg.MayAliasCount),
      47          88 :         PartialAliasCount(Arg.PartialAliasCount),
      48         176 :         MustAliasCount(Arg.MustAliasCount), NoModRefCount(Arg.NoModRefCount),
      49         176 :         ModCount(Arg.ModCount), RefCount(Arg.RefCount),
      50         704 :         ModRefCount(Arg.ModRefCount) {
      51          88 :     Arg.FunctionCount = 0;
      52             :   }
      53             :   ~AAEvaluator();
      54             : 
      55             :   /// \brief Run the pass over the function.
      56             :   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
      57             : 
      58             : private:
      59             :   // Allow the legacy pass to run this using an internal API.
      60             :   friend class AAEvalLegacyPass;
      61             : 
      62             :   void runInternal(Function &F, AAResults &AA);
      63             : };
      64             : 
      65             : /// Create a wrapper of the above for the legacy pass manager.
      66             : FunctionPass *createAAEvalPass();
      67             : 
      68             : }
      69             : 
      70             : #endif

Generated by: LCOV version 1.13