[NFC] fix a dropUnusedArguments parameter name

(cherry picked from commit 6898e33)

Author: atrick

include/swift/SILOptimizer/Utils/Generics.h

@@ -204,7 +204,7 @@ class ReabstractionInfo {
   ReabstractionInfo(ModuleDecl *targetModule, bool isModuleWholeModule,
                     ApplySite Apply, SILFunction *Callee,
                     SubstitutionMap ParamSubs, SerializedKind_t Serialized,
-                    bool ConvertIndirectToDirect, bool dropMetatypeArgs,
+                    bool ConvertIndirectToDirect, bool dropUnusedArguments,
                     OptRemark::Emitter *ORE = nullptr);
 
   /// Constructs the ReabstractionInfo for generic function \p Callee with

lib/SILOptimizer/IPO/CapturePropagation.cpp

@@ -496,7 +496,7 @@ static SILFunction *getSpecializedWithDeadParams(
         FuncBuilder.getModule().getSwiftModule(),
         FuncBuilder.getModule().isWholeModule(), ApplySite(), Specialized,
         PAI->getSubstitutionMap(), Specialized->getSerializedKind(),
-        /* ConvertIndirectToDirect */ false, /*dropMetatypeArgs=*/false);
+        /* ConvertIndirectToDirect */ false, /*dropUnusedArguments=*/false);
     GenericFuncSpecializer FuncSpecializer(FuncBuilder,
                                            Specialized,
                                            ReInfo.getClonerParamSubstitutionMap(),

lib/SILOptimizer/IPO/UsePrespecialized.cpp

@@ -96,7 +96,7 @@ bool UsePrespecialized::replaceByPrespecialized(SILFunction &F) {
     ReabstractionInfo ReInfo(M.getSwiftModule(), M.isWholeModule(), AI,
                              ReferencedF, Subs, IsNotSerialized,
                              /*ConvertIndirectToDirect=*/ true,
-                             /*dropMetatypeArgs=*/ false);
+                             /*dropUnusedArguments=*/ false);
 
     if (!ReInfo.canBeSpecialized())
       continue;

lib/SILOptimizer/Utils/Generics.cpp

@@ -2916,7 +2916,8 @@ static bool createPrespecialized(StringRef UnspecializedName,
   ReabstractionInfo ReInfo(M.getSwiftModule(), M.isWholeModule(), ApplySite(),
                            UnspecFunc, Apply.getSubstitutionMap(),
                            IsNotSerialized,
-                           /*ConvertIndirectToDirect= */true, /*dropMetatypeArgs=*/ false);
+                           /*ConvertIndirectToDirect= */true,
+                           /*dropUnusedArguments=*/ false);
 
   if (!ReInfo.canBeSpecialized())
     return false;
@@ -3005,7 +3006,7 @@ static bool usePrespecialized(
                                       funcBuilder.getModule().isWholeModule(), apply, refF,
                                       apply.getSubstitutionMap(), IsNotSerialized,
                                       /*ConvertIndirectToDirect=*/ true,
-                                      /*dropMetatypeArgs=*/ false);
+                                      /*dropUnusedArguments=*/ false);
 
   for (auto *SA : refF->getSpecializeAttrs()) {
     if (!SA->isExported())
@@ -3149,7 +3150,8 @@ static bool usePrespecialized(
           funcBuilder.getModule().getSwiftModule(),
           funcBuilder.getModule().isWholeModule(), apply, refF, newSubstMap,
           apply.getFunction()->getSerializedKind(),
-          /*ConvertIndirectToDirect=*/ true, /*dropMetatypeArgs=*/ false, nullptr);
+          /*ConvertIndirectToDirect=*/ true,
+          /*dropUnusedArguments=*/ false, nullptr);
 
       if (layoutReInfo.getSpecializedType() == reInfo.getSpecializedType()) {
         layoutMatches.push_back(
@@ -3312,7 +3314,8 @@ void swift::trySpecializeApplyOfGeneric(
                            FuncBuilder.getModule().isWholeModule(), Apply, RefF,
                            Apply.getSubstitutionMap(), serializedKind,
                            /*ConvertIndirectToDirect=*/ true,
-                           /*dropMetatypeArgs=*/ canDropMetatypeArgs(Apply, RefF),
+                           /*dropUnusedArguments=*/
+                           canDropMetatypeArgs(Apply, RefF),
                            &ORE);
   if (!ReInfo.canBeSpecialized())
     return;

lib/SILOptimizer/Utils/OptimizerBridging.cpp

@@ -206,7 +206,7 @@ OptionalBridgedFunction BridgedPassContext::specializeFunction(BridgedFunction f
   ReabstractionInfo ReInfo(mod->getSwiftModule(), mod->isWholeModule(),
                            ApplySite(), origFunc, subs, IsNotSerialized,
                            /*ConvertIndirectToDirect=*/true,
-                           /*dropMetatypeArgs=*/false);
+                           /*dropUnusedArguments=*/false);
 
   if (!ReInfo.canBeSpecialized()) {
     return {nullptr};