mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-19 17:33:29 +00:00
e2a5fb0e08
bytecode reading. This code is crufty, the result of much hacking to get things working correctly. Cleanup patches will follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25682 91177308-0d34-0410-b5e6-96231b3b80d8
78 lines
3.5 KiB
C++
78 lines
3.5 KiB
C++
//===-- 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 determines if the \p Name provides is a name for which the
|
|
/// auto-upgrade to a non-overloaded name applies.
|
|
/// @returns True if the function name is upgradeable, false otherwise.
|
|
/// @brief Determine if a name is an upgradeable intrinsic name.
|
|
bool IsUpgradeableIntrinsicName(const std::string& Name);
|
|
|
|
/// 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);
|
|
|
|
Instruction* MakeUpgradedCall(
|
|
Function* F, ///< The function to call
|
|
const std::vector<Value*>& Params, ///< Operands of the call
|
|
BasicBlock* BB, ///< Basic block the caller will insert result to
|
|
bool isTailCall = false, ///< True if this is a tail call.
|
|
unsigned CallingConv = 0 ///< Calling convention to use
|
|
);
|
|
|
|
/// 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. The caller can use the
|
|
/// returned Instruction to replace the existing one. Note that the
|
|
/// Instruction* returned could be a CallInst or a CastInst depending on
|
|
/// whether casting was necessary.
|
|
/// @param CI The CallInst to potentially auto-upgrade.
|
|
/// @returns An instrution to replace \p CI with.
|
|
/// @brief Get replacement instruction for overloaded intrinsic function call.
|
|
Instruction* UpgradeIntrinsicCall(CallInst* CI, Function* newF = 0);
|
|
|
|
/// 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
|