rebase-fix: remove unneeded params

- these are lingering from the improve diag related changes

Author: inbelic

clang/include/clang/Parse/ParseHLSLRootSignature.h

@@ -99,8 +99,7 @@ class RootSignatureParser {
     std::optional<llvm::dxbc::RootDescriptorFlags> Flags;
   };
   std::optional<ParsedRootDescriptorParams>
-  parseRootDescriptorParams(RootSignatureToken::Kind DescType,
-                            RootSignatureToken::Kind RegType);
+  parseRootDescriptorParams(RootSignatureToken::Kind RegType);
 
   struct ParsedClauseParams {
     std::optional<llvm::hlsl::rootsig::Register> Reg;
@@ -110,8 +109,7 @@ class RootSignatureParser {
     std::optional<llvm::dxbc::DescriptorRangeFlags> Flags;
   };
   std::optional<ParsedClauseParams>
-  parseDescriptorTableClauseParams(RootSignatureToken::Kind DescType,
-                                   RootSignatureToken::Kind RegType);
+  parseDescriptorTableClauseParams(RootSignatureToken::Kind RegType);
 
   struct ParsedStaticSamplerParams {
     std::optional<llvm::hlsl::rootsig::Register> Reg;

clang/lib/Parse/ParseHLSLRootSignature.cpp

@@ -199,7 +199,7 @@ std::optional<RootDescriptor> RootSignatureParser::parseRootDescriptor() {
   }
   Descriptor.setDefaultFlags(Version);
 
-  auto Params = parseRootDescriptorParams(DescriptorKind, ExpectedReg);
+  auto Params = parseRootDescriptorParams(ExpectedReg);
   if (!Params.has_value())
     return std::nullopt;
 
@@ -320,7 +320,7 @@ RootSignatureParser::parseDescriptorTableClause() {
   }
   Clause.setDefaultFlags(Version);
 
-  auto Params = parseDescriptorTableClauseParams(ParamKind, ExpectedReg);
+  auto Params = parseDescriptorTableClauseParams(ExpectedReg);
   if (!Params.has_value())
     return std::nullopt;
 
@@ -493,8 +493,7 @@ RootSignatureParser::parseRootConstantParams() {
 }
 
 std::optional<RootSignatureParser::ParsedRootDescriptorParams>
-RootSignatureParser::parseRootDescriptorParams(TokenKind DescType,
-                                               TokenKind RegType) {
+RootSignatureParser::parseRootDescriptorParams(TokenKind RegType) {
   assert(CurToken.TokKind == TokenKind::pu_l_paren &&
          "Expects to only be invoked starting at given token");
 
@@ -563,8 +562,7 @@ RootSignatureParser::parseRootDescriptorParams(TokenKind DescType,
 }
 
 std::optional<RootSignatureParser::ParsedClauseParams>
-RootSignatureParser::parseDescriptorTableClauseParams(TokenKind DescType,
-                                                      TokenKind RegType) {
+RootSignatureParser::parseDescriptorTableClauseParams(TokenKind RegType) {
   assert(CurToken.TokKind == TokenKind::pu_l_paren &&
          "Expects to only be invoked starting at given token");