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SROA: Use CRTP for OpSplitter to get rid of virtual dispatch and the virtual-dtor warnings that come with it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164140 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -2466,6 +2466,7 @@ private:
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bool visitInstruction(Instruction &I) { return false; }
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/// \brief Generic recursive split emission class.
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template <typename Derived>
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class OpSplitter {
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protected:
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/// The builder used to form new instructions.
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@ -2483,11 +2484,9 @@ private:
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/// Initialize the splitter with an insertion point, Ptr and start with a
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/// single zero GEP index.
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OpSplitter(Instruction *InsertionPoint, Value *Ptr)
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: IRB(InsertionPoint), Ptr(Ptr), GEPIndices(1, IRB.getInt32(0)) {}
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: IRB(InsertionPoint), GEPIndices(1, IRB.getInt32(0)), Ptr(Ptr) {}
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public:
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virtual void emitFunc(Type *Ty, Value *&Agg, const Twine &Name) = 0;
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/// \brief Generic recursive split emission routine.
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///
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/// This method recursively splits an aggregate op (load or store) into
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@ -2503,7 +2502,7 @@ private:
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/// whether this is splitting a load or a store respectively.
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void emitSplitOps(Type *Ty, Value *&Agg, const Twine &Name) {
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if (Ty->isSingleValueType())
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return emitFunc(Ty, Agg, Name);
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return static_cast<Derived *>(this)->emitFunc(Ty, Agg, Name);
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if (ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {
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unsigned OldSize = Indices.size();
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@ -2539,13 +2538,13 @@ private:
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}
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};
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struct LoadOpSplitter : public OpSplitter {
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struct LoadOpSplitter : public OpSplitter<LoadOpSplitter> {
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LoadOpSplitter(Instruction *InsertionPoint, Value *Ptr)
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: OpSplitter(InsertionPoint, Ptr) {}
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/// Emit a leaf load of a single value. This is called at the leaves of the
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/// recursive emission to actually load values.
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virtual void emitFunc(Type *Ty, Value *&Agg, const Twine &Name) {
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void emitFunc(Type *Ty, Value *&Agg, const Twine &Name) {
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assert(Ty->isSingleValueType());
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// Load the single value and insert it using the indices.
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Value *Load = IRB.CreateLoad(IRB.CreateInBoundsGEP(Ptr, GEPIndices,
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@ -2571,13 +2570,13 @@ private:
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return true;
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}
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struct StoreOpSplitter : public OpSplitter {
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struct StoreOpSplitter : public OpSplitter<StoreOpSplitter> {
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StoreOpSplitter(Instruction *InsertionPoint, Value *Ptr)
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: OpSplitter(InsertionPoint, Ptr) {}
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/// Emit a leaf store of a single value. This is called at the leaves of the
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/// recursive emission to actually produce stores.
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virtual void emitFunc(Type *Ty, Value *&Agg, const Twine &Name) {
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void emitFunc(Type *Ty, Value *&Agg, const Twine &Name) {
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assert(Ty->isSingleValueType());
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// Extract the single value and store it using the indices.
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Value *Store = IRB.CreateStore(
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