Home | History | Annotate | Download | only in InstCombine
      1 //===- InstCombine.h - InstCombine 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 ///
     11 /// This file provides the primary interface to the instcombine pass. This pass
     12 /// is suitable for use in the new pass manager. For a pass that works with the
     13 /// legacy pass manager, please look for \c createInstructionCombiningPass() in
     14 /// Scalar.h.
     15 ///
     16 //===----------------------------------------------------------------------===//
     17 
     18 #ifndef LLVM_TRANSFORMS_INSTCOMBINE_INSTCOMBINE_H
     19 #define LLVM_TRANSFORMS_INSTCOMBINE_INSTCOMBINE_H
     20 
     21 #include "llvm/IR/Function.h"
     22 #include "llvm/IR/PassManager.h"
     23 #include "llvm/Transforms/InstCombine/InstCombineWorklist.h"
     24 
     25 namespace llvm {
     26 
     27 class InstCombinePass {
     28   InstCombineWorklist Worklist;
     29 
     30 public:
     31   static StringRef name() { return "InstCombinePass"; }
     32 
     33   // Explicitly define constructors for MSVC.
     34   InstCombinePass() {}
     35   InstCombinePass(InstCombinePass &&Arg) : Worklist(std::move(Arg.Worklist)) {}
     36   InstCombinePass &operator=(InstCombinePass &&RHS) {
     37     Worklist = std::move(RHS.Worklist);
     38     return *this;
     39   }
     40 
     41   PreservedAnalyses run(Function &F, AnalysisManager<Function> *AM);
     42 };
     43 
     44 }
     45 
     46 #endif
     47