[VPlan] Remove unused VPlanIngredient (NFC).

VPlanIngredient is not used anymore, remove it.

Author: fhahn

llvm/lib/Transforms/Vectorize/VPlan.cpp

@@ -1363,23 +1363,6 @@ void VPlanPrinter::dumpRegion(const VPRegionBlock *Region) {
   dumpEdges(Region);
 }
 
-void VPlanIngredient::print(raw_ostream &O) const {
-  if (auto *Inst = dyn_cast<Instruction>(V)) {
-    if (!Inst->getType()->isVoidTy()) {
-      Inst->printAsOperand(O, false);
-      O << " = ";
-    }
-    O << Inst->getOpcodeName() << " ";
-    unsigned E = Inst->getNumOperands();
-    if (E > 0) {
-      Inst->getOperand(0)->printAsOperand(O, false);
-      for (unsigned I = 1; I < E; ++I)
-        Inst->getOperand(I)->printAsOperand(O << ", ", false);
-    }
-  } else // !Inst
-    V->printAsOperand(O, false);
-}
-
 #endif
 
 /// Returns true if there is a vector loop region and \p VPV is defined in a

llvm/lib/Transforms/Vectorize/VPlan.h

@@ -3706,19 +3706,6 @@ class VPlan {
 };
 
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-struct VPlanIngredient {
-  const Value *V;
-
-  VPlanIngredient(const Value *V) : V(V) {}
-
-  void print(raw_ostream &O) const;
-};
-
-inline raw_ostream &operator<<(raw_ostream &OS, const VPlanIngredient &I) {
-  I.print(OS);
-  return OS;
-}
-
 inline raw_ostream &operator<<(raw_ostream &OS, const VPlan &Plan) {
   Plan.print(OS);
   return OS;