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//===-- llvm/Assembly/AutoUpgrade.h - AutoUpgrade Helpers --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Reid Spencer is distributed under the University
// of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// These functions are implemented by the lib/VMCore/AutoUpgrade.cpp.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ASSEMBLY_AUTOUPGRADE_H
#define LLVM_ASSEMBLY_AUTOUPGRADE_H
#include <string>
#include <vector>
namespace llvm {
class Function;
class CallInst;
class Instruction;
class Value;
class BasicBlock;
/// This function inspects the Function \p F to see if it is an old overloaded
/// intrinsic. If it is, the Function's name is changed to add a suffix that
/// indicates the kind of arguments or result that it accepts. In LLVM release
/// 1.7, the overloading of intrinsic functions was replaced with separate
/// functions for each of the various argument sizes. This function implements
/// the auto-upgrade feature from the old overloaded names to the new
/// non-overloaded names.
/// @param F The Function to potentially auto-upgrade.
/// @returns A corrected version of F, or 0 if no change necessary
/// @brief Remove overloaded intrinsic function names.
Function* UpgradeIntrinsicFunction(Function* F);
/// In LLVM 1.7, the overloading of intrinsic functions was replaced with
/// separate functions for each of the various argument sizes. This function
/// implements the auto-upgrade feature from old overloaded names to the new
/// non-overloaded names. This function inspects the CallInst \p CI to see
/// if it is a call to an old overloaded intrinsic. If it is, a new CallInst
/// is created that uses the correct Function and possibly casts the
/// argument and result to an unsigned type.
/// @brief Get replacement instruction for overloaded intrinsic function call.
void UpgradeIntrinsicCall(
CallInst* CI, ///< The CallInst to potentially auto-upgrade.
Function* newF = 0 ///< The new function for the call replacement.
);
/// Upgrade both the function and all the calls made to it, if that function
/// needs to be upgraded. This is like a combination of the above two
/// functions, UpgradeIntrinsicFunction and UpgradeIntrinsicCall. Note that
/// the calls are replaced so this should only be used in a post-processing
/// manner (i.e. after all assembly/bytecode has been read).
bool UpgradeCallsToIntrinsic(Function* F);
} // End llvm namespace
#endif
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