45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
//===- ReplaceConstant.h - Replacing LLVM constant expressions --*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the utility function for replacing LLVM constant
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// expressions by instructions.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IR_REPLACECONSTANT_H
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#define LLVM_IR_REPLACECONSTANT_H
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#include "llvm/Support/Compiler.h"
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namespace llvm {
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template <typename T> class ArrayRef;
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class Constant;
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class Function;
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/// Replace constant expressions users of the given constants with
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/// instructions. Return whether anything was changed.
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///
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/// Passing RestrictToFunc will restrict the constant replacement
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/// to the passed in functions scope, as opposed to the replacements
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/// occurring at module scope.
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///
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/// RemoveDeadConstants by default will remove all dead constants as
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/// the final step of the function after replacement, when passed
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/// false it will skip this final step.
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///
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/// If \p IncludeSelf is enabled, also convert the passed constants themselves
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/// to instructions, rather than only their users.
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LLVM_ABI bool convertUsersOfConstantsToInstructions(
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ArrayRef<Constant *> Consts, Function *RestrictToFunc = nullptr,
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bool RemoveDeadConstants = true, bool IncludeSelf = false);
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} // end namespace llvm
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#endif // LLVM_IR_REPLACECONSTANT_H
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