[VPlan] Use DebugLoc from recipe in VPWidenCallRecipe (NFCI).

Instead of using the debug location of the underlying instruction, use
the debug location from the recipe. This removes an unneeded dependency
of the underlying instruction.

Author: fhahn

llvm/lib/Transforms/Vectorize/LoopVectorize.cpp

@@ -8261,7 +8261,8 @@ VPWidenCallRecipe *VPRecipeBuilder::tryToWidenCall(CallInst *CI,
                 },
                 Range);
   if (ShouldUseVectorIntrinsic)
-    return new VPWidenCallRecipe(*CI, make_range(Ops.begin(), Ops.end()), ID);
+    return new VPWidenCallRecipe(*CI, make_range(Ops.begin(), Ops.end()), ID,
+                                 CI->getDebugLoc());
 
   Function *Variant = nullptr;
   std::optional<unsigned> MaskPos;
@@ -8314,7 +8315,8 @@ VPWidenCallRecipe *VPRecipeBuilder::tryToWidenCall(CallInst *CI,
     }
 
     return new VPWidenCallRecipe(*CI, make_range(Ops.begin(), Ops.end()),
-                                 Intrinsic::not_intrinsic, Variant);
+                                 Intrinsic::not_intrinsic, CI->getDebugLoc(),
+                                 Variant);
   }
 
   return nullptr;

llvm/lib/Transforms/Vectorize/VPlan.h

@@ -1352,9 +1352,9 @@ class VPWidenCallRecipe : public VPSingleDefRecipe {
 public:
   template <typename IterT>
   VPWidenCallRecipe(CallInst &I, iterator_range<IterT> CallArguments,
-                    Intrinsic::ID VectorIntrinsicID,
+                    Intrinsic::ID VectorIntrinsicID, DebugLoc DL = {},
                     Function *Variant = nullptr)
-      : VPSingleDefRecipe(VPDef::VPWidenCallSC, CallArguments, &I),
+      : VPSingleDefRecipe(VPDef::VPWidenCallSC, CallArguments, &I, DL),
         VectorIntrinsicID(VectorIntrinsicID), Variant(Variant) {}
 
   ~VPWidenCallRecipe() override = default;

llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp

@@ -580,7 +580,7 @@ void VPWidenCallRecipe::execute(VPTransformState &State) {
   auto &CI = *cast<CallInst>(getUnderlyingInstr());
   assert(!isa<DbgInfoIntrinsic>(CI) &&
          "DbgInfoIntrinsic should have been dropped during VPlan construction");
-  State.setDebugLocFrom(CI.getDebugLoc());
+  State.setDebugLocFrom(getDebugLoc());
 
   bool UseIntrinsic = VectorIntrinsicID != Intrinsic::not_intrinsic;
   FunctionType *VFTy = nullptr;

llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp

@@ -74,9 +74,9 @@ void VPlanTransforms::VPInstructionsToVPRecipes(
         } else if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(Inst)) {
           NewRecipe = new VPWidenGEPRecipe(GEP, Ingredient.operands());
         } else if (CallInst *CI = dyn_cast<CallInst>(Inst)) {
-          NewRecipe =
-              new VPWidenCallRecipe(*CI, drop_end(Ingredient.operands()),
-                                    getVectorIntrinsicIDForCall(CI, &TLI));
+          NewRecipe = new VPWidenCallRecipe(
+              *CI, drop_end(Ingredient.operands()),
+              getVectorIntrinsicIDForCall(CI, &TLI), CI->getDebugLoc());
         } else if (SelectInst *SI = dyn_cast<SelectInst>(Inst)) {
           NewRecipe = new VPWidenSelectRecipe(*SI, Ingredient.operands());
         } else if (auto *CI = dyn_cast<CastInst>(Inst)) {