LCOV - code coverage report
Current view: top level - include/llvm/Transforms/Scalar - EarlyCSE.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 1 1 100.0 %
Date: 2017-09-14 15:23:50 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- EarlyCSE.h - Simple and fast CSE pass --------------------*- C++ -*-===//
       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             : /// This file provides the interface for a simple, fast CSE pass.
      11             : ///
      12             : //===----------------------------------------------------------------------===//
      13             : 
      14             : #ifndef LLVM_TRANSFORMS_SCALAR_EARLYCSE_H
      15             : #define LLVM_TRANSFORMS_SCALAR_EARLYCSE_H
      16             : 
      17             : #include "llvm/IR/Function.h"
      18             : #include "llvm/IR/PassManager.h"
      19             : 
      20             : namespace llvm {
      21             : 
      22             : /// \brief A simple and fast domtree-based CSE pass.
      23             : ///
      24             : /// This pass does a simple depth-first walk over the dominator tree,
      25             : /// eliminating trivially redundant instructions and using instsimplify to
      26             : /// canonicalize things as it goes. It is intended to be fast and catch obvious
      27             : /// cases so that instcombine and other passes are more effective. It is
      28             : /// expected that a later pass of GVN will catch the interesting/hard cases.
      29             : struct EarlyCSEPass : PassInfoMixin<EarlyCSEPass> {
      30         114 :   EarlyCSEPass(bool UseMemorySSA = false) : UseMemorySSA(UseMemorySSA) {}
      31             : 
      32             :   /// \brief Run the pass over the function.
      33             :   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
      34             : 
      35             :   bool UseMemorySSA;
      36             : };
      37             : 
      38             : }
      39             : 
      40             : #endif

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