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Remove trailing spaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174791 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -34,14 +34,14 @@ namespace llvm {
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class PredIteratorCache;
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class DominatorTree;
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class PHITransAddr;
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/// MemDepResult - A memory dependence query can return one of three different
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/// answers, described below.
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class MemDepResult {
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enum DepType {
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/// Invalid - Clients of MemDep never see this.
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Invalid = 0,
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/// Clobber - This is a dependence on the specified instruction which
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/// clobbers the desired value. The pointer member of the MemDepResult
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/// pair holds the instruction that clobbers the memory. For example,
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@ -72,7 +72,7 @@ namespace llvm {
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/// and no intervening clobbers. No validation is done that the
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/// operands to the calls are the same.
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Def,
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/// Other - This marker indicates that the query has no known dependency
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/// in the specified block. More detailed state info is encoded in the
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/// upper part of the pair (i.e. the Instruction*)
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@ -99,7 +99,7 @@ namespace llvm {
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explicit MemDepResult(PairTy V) : Value(V) {}
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public:
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MemDepResult() : Value(0, Invalid) {}
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/// get methods: These are static ctor methods for creating various
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/// MemDepResult kinds.
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static MemDepResult getDef(Instruction *Inst) {
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@ -130,7 +130,7 @@ namespace llvm {
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/// isDef - Return true if this MemDepResult represents a query that is
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/// an instruction definition dependency.
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bool isDef() const { return Value.getInt() == Def; }
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/// isNonLocal - Return true if this MemDepResult represents a query that
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/// is transparent to the start of the block, but where a non-local hasn't
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/// been done.
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@ -145,7 +145,7 @@ namespace llvm {
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return Value.getInt() == Other
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&& Value.getPointer() == reinterpret_cast<Instruction*>(NonFuncLocal);
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}
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/// isUnknown - Return true if this MemDepResult represents a query which
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/// cannot and/or will not be computed.
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bool isUnknown() const {
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@ -159,7 +159,7 @@ namespace llvm {
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if (Value.getInt() == Other) return NULL;
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return Value.getPointer();
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}
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bool operator==(const MemDepResult &M) const { return Value == M.Value; }
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bool operator!=(const MemDepResult &M) const { return Value != M.Value; }
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bool operator<(const MemDepResult &M) const { return Value < M.Value; }
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@ -175,11 +175,11 @@ namespace llvm {
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/// In a default-constructed MemDepResult object, the type will be Dirty
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/// and the instruction pointer will be null.
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///
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/// isDirty - Return true if this is a MemDepResult in its dirty/invalid.
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/// state.
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bool isDirty() const { return Value.getInt() == Invalid; }
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static MemDepResult getDirty(Instruction *Inst) {
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return MemDepResult(PairTy(Inst, Invalid));
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}
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@ -199,16 +199,16 @@ namespace llvm {
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// BB is the sort key, it can't be changed.
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BasicBlock *getBB() const { return BB; }
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void setResult(const MemDepResult &R) { Result = R; }
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const MemDepResult &getResult() const { return Result; }
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bool operator<(const NonLocalDepEntry &RHS) const {
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return BB < RHS.BB;
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}
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};
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/// NonLocalDepResult - This is a result from a NonLocal dependence query.
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/// For each BasicBlock (the BB entry) it keeps a MemDepResult and the
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/// (potentially phi translated) address that was live in the block.
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@ -218,17 +218,17 @@ namespace llvm {
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public:
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NonLocalDepResult(BasicBlock *bb, MemDepResult result, Value *address)
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: Entry(bb, result), Address(address) {}
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// BB is the sort key, it can't be changed.
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BasicBlock *getBB() const { return Entry.getBB(); }
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void setResult(const MemDepResult &R, Value *Addr) {
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Entry.setResult(R);
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Address = Addr;
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}
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const MemDepResult &getResult() const { return Entry.getResult(); }
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/// getAddress - Return the address of this pointer in this block. This can
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/// be different than the address queried for the non-local result because
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/// of phi translation. This returns null if the address was not available
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@ -238,7 +238,7 @@ namespace llvm {
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/// The address is always null for a non-local 'call' dependence.
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Value *getAddress() const { return Address; }
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};
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/// MemoryDependenceAnalysis - This is an analysis that determines, for a
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/// given memory operation, what preceding memory operations it depends on.
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/// It builds on alias analysis information, and tries to provide a lazy,
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@ -297,30 +297,30 @@ namespace llvm {
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CachedNonLocalPointerInfo NonLocalPointerDeps;
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// A map from instructions to their non-local pointer dependencies.
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typedef DenseMap<Instruction*,
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typedef DenseMap<Instruction*,
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SmallPtrSet<ValueIsLoadPair, 4> > ReverseNonLocalPtrDepTy;
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ReverseNonLocalPtrDepTy ReverseNonLocalPtrDeps;
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/// PerInstNLInfo - This is the instruction we keep for each cached access
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/// that we have for an instruction. The pointer is an owning pointer and
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/// the bool indicates whether we have any dirty bits in the set.
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typedef std::pair<NonLocalDepInfo, bool> PerInstNLInfo;
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// A map from instructions to their non-local dependencies.
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typedef DenseMap<Instruction*, PerInstNLInfo> NonLocalDepMapType;
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NonLocalDepMapType NonLocalDeps;
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// A reverse mapping from dependencies to the dependees. This is
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// used when removing instructions to keep the cache coherent.
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typedef DenseMap<Instruction*,
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SmallPtrSet<Instruction*, 4> > ReverseDepMapType;
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ReverseDepMapType ReverseLocalDeps;
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// A reverse mapping from dependencies to the non-local dependees.
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ReverseDepMapType ReverseNonLocalDeps;
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/// Current AA implementation, just a cache.
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AliasAnalysis *AA;
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DataLayout *TD;
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@ -333,15 +333,15 @@ namespace llvm {
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/// Pass Implementation stuff. This doesn't do any analysis eagerly.
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bool runOnFunction(Function &);
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/// Clean up memory in between runs
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void releaseMemory();
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/// getAnalysisUsage - Does not modify anything. It uses Value Numbering
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/// and Alias Analysis.
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///
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virtual void getAnalysisUsage(AnalysisUsage &AU) const;
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/// getDependency - Return the instruction on which a memory operation
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/// depends. See the class comment for more details. It is illegal to call
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/// this on non-memory instructions.
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@ -360,8 +360,8 @@ namespace llvm {
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/// removed. Clients must copy this data if they want it around longer than
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/// that.
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const NonLocalDepInfo &getNonLocalCallDependency(CallSite QueryCS);
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/// getNonLocalPointerDependency - Perform a full dependency query for an
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/// access to the specified (non-volatile) memory location, returning the
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/// set of instructions that either define or clobber the value.
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@ -374,7 +374,7 @@ namespace llvm {
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/// removeInstruction - Remove an instruction from the dependence analysis,
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/// updating the dependence of instructions that previously depended on it.
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void removeInstruction(Instruction *InstToRemove);
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/// invalidateCachedPointerInfo - This method is used to invalidate cached
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/// information about the specified pointer, because it may be too
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/// conservative in memdep. This is an optional call that can be used when
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@ -387,7 +387,7 @@ namespace llvm {
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/// This needs to be done when the CFG changes, e.g., due to splitting
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/// critical edges.
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void invalidateCachedPredecessors();
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/// getPointerDependencyFrom - Return the instruction on which a memory
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/// location depends. If isLoad is true, this routine ignores may-aliases
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/// with read-only operations. If isLoad is false, this routine ignores
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@ -396,11 +396,11 @@ namespace llvm {
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/// Note that this is an uncached query, and thus may be inefficient.
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///
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MemDepResult getPointerDependencyFrom(const AliasAnalysis::Location &Loc,
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bool isLoad,
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bool isLoad,
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BasicBlock::iterator ScanIt,
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BasicBlock *BB);
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/// getLoadLoadClobberFullWidthSize - This is a little bit of analysis that
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/// looks at a memory location for a load (specified by MemLocBase, Offs,
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/// and Size) and compares it against a load. If the specified load could
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@ -413,7 +413,7 @@ namespace llvm {
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unsigned MemLocSize,
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const LoadInst *LI,
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const DataLayout &TD);
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private:
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MemDepResult getCallSiteDependencyFrom(CallSite C, bool isReadOnlyCall,
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BasicBlock::iterator ScanIt,
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@ -430,11 +430,11 @@ namespace llvm {
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unsigned NumSortedEntries);
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void RemoveCachedNonLocalPointerDependencies(ValueIsLoadPair P);
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/// verifyRemoved - Verify that the specified instruction does not occur
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/// in our internal data structures.
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void verifyRemoved(Instruction *Inst) const;
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};
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} // End llvm namespace
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