[VPlan] Reorder cases in switch (NFC).

Reorder cases to make sure they are ordered properly in preparation
for D149081.

Author: fhahn

llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp

@@ -54,13 +54,13 @@ bool VPRecipeBase::mayWriteToMemory() const {
   case VPScalarIVStepsSC:
   case VPPredInstPHISC:
     return false;
-  case VPWidenIntOrFpInductionSC:
+  case VPBlendSC:
+  case VPReductionSC:
   case VPWidenCanonicalIVSC:
+  case VPWidenGEPSC:
+  case VPWidenIntOrFpInductionSC:
   case VPWidenPHISC:
-  case VPBlendSC:
   case VPWidenSC:
-  case VPWidenGEPSC:
-  case VPReductionSC:
   case VPWidenSelectSC: {
     const Instruction *I =
         dyn_cast_or_null<Instruction>(getVPSingleValue()->getUnderlyingValue());
@@ -87,13 +87,13 @@ bool VPRecipeBase::mayReadFromMemory() const {
   case VPScalarIVStepsSC:
   case VPPredInstPHISC:
     return false;
-  case VPWidenIntOrFpInductionSC:
+  case VPBlendSC:
+  case VPReductionSC:
   case VPWidenCanonicalIVSC:
+  case VPWidenGEPSC:
+  case VPWidenIntOrFpInductionSC:
   case VPWidenPHISC:
-  case VPBlendSC:
   case VPWidenSC:
-  case VPWidenGEPSC:
-  case VPReductionSC:
   case VPWidenSelectSC: {
     const Instruction *I =
         dyn_cast_or_null<Instruction>(getVPSingleValue()->getUnderlyingValue());
@@ -123,17 +123,17 @@ bool VPRecipeBase::mayHaveSideEffects() const {
   case VPWidenCallSC:
     return cast<Instruction>(getVPSingleValue()->getUnderlyingValue())
         ->mayHaveSideEffects();
-  case VPWidenIntOrFpInductionSC:
+  case VPBlendSC:
   case VPFirstOrderRecurrencePHISC:
-  case VPWidenPointerInductionSC:
+  case VPReductionSC:
+  case VPScalarIVStepsSC:
   case VPWidenCanonicalIVSC:
+  case VPWidenGEPSC:
+  case VPWidenIntOrFpInductionSC:
   case VPWidenPHISC:
-  case VPBlendSC:
+  case VPWidenPointerInductionSC:
   case VPWidenSC:
-  case VPWidenGEPSC:
-  case VPReductionSC:
-  case VPWidenSelectSC:
-  case VPScalarIVStepsSC: {
+  case VPWidenSelectSC: {
     const Instruction *I =
         dyn_cast_or_null<Instruction>(getVPSingleValue()->getUnderlyingValue());
     (void)I;