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: 2018-06-17 00:07:59 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             : //
      10             : /// \file
      11             : /// This file provides the interface for a simple, fast CSE pass.
      12             : //
      13             : //===----------------------------------------------------------------------===//
      14             : 
      15             : #ifndef LLVM_TRANSFORMS_SCALAR_EARLYCSE_H
      16             : #define LLVM_TRANSFORMS_SCALAR_EARLYCSE_H
      17             : 
      18             : #include "llvm/IR/PassManager.h"
      19             : 
      20             : namespace llvm {
      21             : 
      22             : class Function;
      23             : 
      24             : /// A simple and fast domtree-based CSE pass.
      25             : ///
      26             : /// This pass does a simple depth-first walk over the dominator tree,
      27             : /// eliminating trivially redundant instructions and using instsimplify to
      28             : /// canonicalize things as it goes. It is intended to be fast and catch obvious
      29             : /// cases so that instcombine and other passes are more effective. It is
      30             : /// expected that a later pass of GVN will catch the interesting/hard cases.
      31             : struct EarlyCSEPass : PassInfoMixin<EarlyCSEPass> {
      32         140 :   EarlyCSEPass(bool UseMemorySSA = false) : UseMemorySSA(UseMemorySSA) {}
      33             : 
      34             :   /// Run the pass over the function.
      35             :   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
      36             : 
      37             :   bool UseMemorySSA;
      38             : };
      39             : 
      40             : } // end namespace llvm
      41             : 
      42             : #endif // LLVM_TRANSFORMS_SCALAR_EARLYCSE_H

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