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47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
//===-- llvm/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/VMCore/AutoUpgrade.cpp.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_AUTOUPGRADE_H
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#define LLVM_AUTOUPGRADE_H
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namespace llvm {
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class Function;
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class CallInst;
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class BasicBlock;
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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 is an auto-upgrade hook for mutiple-value return statements.
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/// This function auto-upgrades all such return statements in the given
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/// function to use aggregate return values built with insertvalue
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/// instructions.
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void UpgradeMultipleReturnValues(Function *F);
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} // End llvm namespace
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#endif
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