LCOV - code coverage report
Current view: top level - include/llvm/Transforms/Scalar - Float2Int.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 1 1 100.0 %
Date: 2017-09-14 15:23:50 Functions: 3 3 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===-- Float2Int.h - Demote floating point ops to work on integers -------===//
       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 provides the Float2Int pass, which aims to demote floating
      11             : // point operations to work on integers, where that is losslessly possible.
      12             : //
      13             : //===----------------------------------------------------------------------===//
      14             : 
      15             : #ifndef LLVM_TRANSFORMS_SCALAR_FLOAT2INT_H
      16             : #define LLVM_TRANSFORMS_SCALAR_FLOAT2INT_H
      17             : 
      18             : #include "llvm/ADT/EquivalenceClasses.h"
      19             : #include "llvm/ADT/MapVector.h"
      20             : #include "llvm/IR/ConstantRange.h"
      21             : #include "llvm/IR/Function.h"
      22             : #include "llvm/IR/PassManager.h"
      23             : 
      24             : namespace llvm {
      25        8928 : class Float2IntPass : public PassInfoMixin<Float2IntPass> {
      26             : public:
      27             :   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
      28             : 
      29             :   // Glue for old PM.
      30             :   bool runImpl(Function &F);
      31             : 
      32             : private:
      33             :   void findRoots(Function &F, SmallPtrSet<Instruction *, 8> &Roots);
      34             :   void seen(Instruction *I, ConstantRange R);
      35             :   ConstantRange badRange();
      36             :   ConstantRange unknownRange();
      37             :   ConstantRange validateRange(ConstantRange R);
      38             :   void walkBackwards(const SmallPtrSetImpl<Instruction *> &Roots);
      39             :   void walkForwards();
      40             :   bool validateAndTransform();
      41             :   Value *convert(Instruction *I, Type *ToTy);
      42             :   void cleanup();
      43             : 
      44             :   MapVector<Instruction *, ConstantRange> SeenInsts;
      45             :   SmallPtrSet<Instruction *, 8> Roots;
      46             :   EquivalenceClasses<Instruction *> ECs;
      47             :   MapVector<Instruction *, Value *> ConvertedInsts;
      48             :   LLVMContext *Ctx;
      49             : };
      50             : }
      51             : #endif // LLVM_TRANSFORMS_SCALAR_FLOAT2INT_H

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