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67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
//===- AutoUpgrade.h - AutoUpgrade Helpers ----------------------*- 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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//
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// These functions are implemented by lib/IR/AutoUpgrade.cpp.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IR_AUTOUPGRADE_H
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#define LLVM_IR_AUTOUPGRADE_H
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namespace llvm {
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class CallInst;
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class Constant;
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class Function;
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class Instruction;
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class Module;
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class GlobalVariable;
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class Type;
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class Value;
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/// This is a more granular function that simply checks an intrinsic function
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/// for upgrading, and returns true if it requires upgrading. It may return
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/// null in NewFn if the all calls to the original intrinsic function
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/// should be transformed to non-function-call instructions.
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bool UpgradeIntrinsicFunction(Function *F, Function *&NewFn);
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/// This is the complement to the above, replacing a specific call to an
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/// intrinsic function with a call to the specified new function.
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void UpgradeIntrinsicCall(CallInst *CI, Function *NewFn);
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/// This is an auto-upgrade hook for any old intrinsic function syntaxes
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/// which need to have both the function updated as well as all calls updated
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/// to the new function. This should only be run in a post-processing fashion
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/// so that it can update all calls to the old function.
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void UpgradeCallsToIntrinsic(Function* F);
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/// This checks for global variables which should be upgraded. It returns true
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/// if it requires upgrading.
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bool UpgradeGlobalVariable(GlobalVariable *GV);
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/// If the TBAA tag for the given instruction uses the scalar TBAA format,
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/// we upgrade it to the struct-path aware TBAA format.
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void UpgradeInstWithTBAATag(Instruction *I);
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/// This is an auto-upgrade for bitcast between pointers with different
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/// address spaces: the instruction is replaced by a pair ptrtoint+inttoptr.
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Instruction *UpgradeBitCastInst(unsigned Opc, Value *V, Type *DestTy,
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Instruction *&Temp);
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/// This is an auto-upgrade for bitcast constant expression between pointers
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/// with different address spaces: the instruction is replaced by a pair
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/// ptrtoint+inttoptr.
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Value *UpgradeBitCastExpr(unsigned Opc, Constant *C, Type *DestTy);
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/// Check the debug info version number, if it is out-dated, drop the debug
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/// info. Return true if module is modified.
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bool UpgradeDebugInfo(Module &M);
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} // End llvm namespace
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#endif
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