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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
//===- BitSetUtils.h - Utilities related to pointer bitsets ------*- 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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// This file contains functions that make it easier to manipulate bitsets for
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// devirtualization.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ANALYSIS_BITSETUTILS_H
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#define LLVM_ANALYSIS_BITSETUTILS_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/IR/CallSite.h"
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namespace llvm {
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/// A call site that could be devirtualized.
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struct DevirtCallSite {
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/// The offset from the address point to the virtual function.
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uint64_t Offset;
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/// The call site itself.
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CallSite CS;
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};
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/// Given a call to the intrinsic @llvm.bitset.test, find all devirtualizable
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/// call sites based on the call and return them in DevirtCalls.
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void findDevirtualizableCalls(SmallVectorImpl<DevirtCallSite> &DevirtCalls,
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SmallVectorImpl<CallInst *> &Assumes,
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CallInst *CI);
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}
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#endif
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