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c2de5980d3
All of these existed because MSVC 2013 was unable to synthesize default move ctors. We recently dropped support for it so all that error-prone boilerplate can go. No functionality change intended. llvm-svn: 284721
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
//===- InstCombine.h - InstCombine pass -------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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/// \file
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///
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/// This file provides the primary interface to the instcombine pass. This pass
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/// is suitable for use in the new pass manager. For a pass that works with the
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/// legacy pass manager, please look for \c createInstructionCombiningPass() in
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/// Scalar.h.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_INSTCOMBINE_INSTCOMBINE_H
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#define LLVM_TRANSFORMS_INSTCOMBINE_INSTCOMBINE_H
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#include "llvm/IR/Function.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/Transforms/InstCombine/InstCombineWorklist.h"
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namespace llvm {
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class InstCombinePass : public PassInfoMixin<InstCombinePass> {
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InstCombineWorklist Worklist;
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bool ExpensiveCombines;
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public:
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static StringRef name() { return "InstCombinePass"; }
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explicit InstCombinePass(bool ExpensiveCombines = true)
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: ExpensiveCombines(ExpensiveCombines) {}
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PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
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};
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/// \brief The legacy pass manager's instcombine pass.
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///
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/// This is a basic whole-function wrapper around the instcombine utility. It
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/// will try to combine all instructions in the function.
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class InstructionCombiningPass : public FunctionPass {
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InstCombineWorklist Worklist;
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const bool ExpensiveCombines;
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public:
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static char ID; // Pass identification, replacement for typeid
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InstructionCombiningPass(bool ExpensiveCombines = true)
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: FunctionPass(ID), ExpensiveCombines(ExpensiveCombines) {
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initializeInstructionCombiningPassPass(*PassRegistry::getPassRegistry());
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}
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void getAnalysisUsage(AnalysisUsage &AU) const override;
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bool runOnFunction(Function &F) override;
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};
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}
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#endif
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