LCOV - code coverage report
Current view: top level - include/llvm/Transforms/Scalar - AlignmentFromAssumptions.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 1 1 100.0 %
Date: 2018-05-20 00:06:23 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===---- AlignmentFromAssumptions.h ----------------------------*- 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             : // This file implements a ScalarEvolution-based transformation to set
      11             : // the alignments of load, stores and memory intrinsics based on the truth
      12             : // expressions of assume intrinsics. The primary motivation is to handle
      13             : // complex alignment assumptions that apply to vector loads and stores that
      14             : // appear after vectorization and unrolling.
      15             : //
      16             : //===----------------------------------------------------------------------===//
      17             : 
      18             : #ifndef LLVM_TRANSFORMS_SCALAR_ALIGNMENTFROMASSUMPTIONS_H
      19             : #define LLVM_TRANSFORMS_SCALAR_ALIGNMENTFROMASSUMPTIONS_H
      20             : 
      21             : #include "llvm/Analysis/ScalarEvolution.h"
      22             : #include "llvm/IR/Function.h"
      23             : #include "llvm/IR/IntrinsicInst.h"
      24             : #include "llvm/IR/PassManager.h"
      25             : 
      26             : namespace llvm {
      27             : 
      28        1392 : struct AlignmentFromAssumptionsPass
      29             :     : public PassInfoMixin<AlignmentFromAssumptionsPass> {
      30             :   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
      31             : 
      32             :   // Glue for old PM.
      33             :   bool runImpl(Function &F, AssumptionCache &AC, ScalarEvolution *SE_,
      34             :                DominatorTree *DT_);
      35             : 
      36             :   ScalarEvolution *SE = nullptr;
      37             :   DominatorTree *DT = nullptr;
      38             : 
      39             :   bool extractAlignmentInfo(CallInst *I, Value *&AAPtr, const SCEV *&AlignSCEV,
      40             :                             const SCEV *&OffSCEV);
      41             :   bool processAssumption(CallInst *I);
      42             : };
      43             : }
      44             : 
      45             : #endif // LLVM_TRANSFORMS_SCALAR_ALIGNMENTFROMASSUMPTIONS_H

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