Index: llvm/trunk/utils/gn/secondary/BUILD.gn
===================================================================
--- llvm/trunk/utils/gn/secondary/BUILD.gn
+++ llvm/trunk/utils/gn/secondary/BUILD.gn
@@ -1,5 +1,6 @@
 group("default") {
   deps = [
+    "//clang/lib/Parse",
     "//clang/tools/clang-format",
     "//lld/test",
     "//llvm/tools/llvm-undname",
Index: llvm/trunk/utils/gn/secondary/clang/include/clang/Parse/BUILD.gn
===================================================================
--- llvm/trunk/utils/gn/secondary/clang/include/clang/Parse/BUILD.gn
+++ llvm/trunk/utils/gn/secondary/clang/include/clang/Parse/BUILD.gn
@@ -0,0 +1,19 @@
+import("//clang/utils/TableGen/clang_tablegen.gni")
+
+clang_tablegen("AttrParserStringSwitches") {
+  args = [
+    "-gen-clang-attr-parser-string-switches",
+    "-I",
+    rebase_path("../..", root_out_dir),
+  ]
+  td_file = "../Basic/Attr.td"
+}
+
+clang_tablegen("AttrSubMatchRulesParserStringSwitches") {
+  args = [
+    "-gen-clang-attr-subject-match-rules-parser-string-switches",
+    "-I",
+    rebase_path("../..", root_out_dir),
+  ]
+  td_file = "../Basic/Attr.td"
+}
Index: llvm/trunk/utils/gn/secondary/clang/lib/Parse/BUILD.gn
===================================================================
--- llvm/trunk/utils/gn/secondary/clang/lib/Parse/BUILD.gn
+++ llvm/trunk/utils/gn/secondary/clang/lib/Parse/BUILD.gn
@@ -0,0 +1,32 @@
+static_library("Parse") {
+  output_name = "clangParse"
+  configs += [ "//llvm/utils/gn/build:clang_code" ]
+  deps = [
+    "//clang/include/clang/Parse:AttrParserStringSwitches",
+    "//clang/include/clang/Parse:AttrSubMatchRulesParserStringSwitches",
+    "//clang/lib/AST",
+    "//clang/lib/Basic",
+    "//clang/lib/Lex",
+    "//clang/lib/Sema",
+    "//llvm/lib/MC",
+    "//llvm/lib/MC/MCParser",
+    "//llvm/lib/Support",
+  ]
+  sources = [
+    "ParseAST.cpp",
+    "ParseCXXInlineMethods.cpp",
+    "ParseDecl.cpp",
+    "ParseDeclCXX.cpp",
+    "ParseExpr.cpp",
+    "ParseExprCXX.cpp",
+    "ParseInit.cpp",
+    "ParseObjc.cpp",
+    "ParseOpenMP.cpp",
+    "ParsePragma.cpp",
+    "ParseStmt.cpp",
+    "ParseStmtAsm.cpp",
+    "ParseTemplate.cpp",
+    "ParseTentative.cpp",
+    "Parser.cpp",
+  ]
+}