address PR feedback, remove LangBuiltins Directory

Author: farzonl

.github/new-prs-labeler.yml

@@ -637,7 +637,7 @@ hlsl:
   - clang/lib/Sema/HLSLExternalSemaSource.cpp
   - clang/lib/Sema/SemaHLSL.cpp
   - clang/lib/CodeGen/CGHLSLRuntime.*
-  - clang/lib/CodeGen/LangBuiltins/CGHLSLBuiltins.cpp
+  - clang/lib/CodeGen/CGHLSLBuiltins.cpp
   - llvm/include/llvm/Frontend/HLSL/**
   - llvm/lib/Frontend/HLSL/**
 

clang/lib/CodeGen/LangBuiltins/CGHLSLBuiltins.cpp renamed to clang/lib/CodeGen/CGHLSLBuiltins.cpp

@@ -81,6 +81,7 @@ add_clang_library(clangCodeGen
   CGExprScalar.cpp
   CGGPUBuiltin.cpp
   CGHLSLRuntime.cpp
+  CGHLSLBuiltins.cpp
   CGLoopInfo.cpp
   CGNonTrivialStruct.cpp
   CGObjC.cpp
@@ -115,7 +116,6 @@ add_clang_library(clangCodeGen
   PatternInit.cpp
   SanitizerMetadata.cpp
   SwiftCallingConv.cpp
-  LangBuiltins/CGHLSLBuiltins.cpp
   TargetBuiltins/ARM.cpp
   TargetBuiltins/AMDGPU.cpp
   TargetBuiltins/Hexagon.cpp