[PATCH] D93628: [clang] NFC: Refactor custom class into a lambda in CompilerInvocation

[Jan Svoboda via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGbef9eb84b2fb: [clang] NFC: Refactor custom class into a lambda in CompilerInvocation (authored by jansvoboda11).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93628/new/

https://reviews.llvm.org/D93628

Files:
  clang/lib/Frontend/CompilerInvocation.cpp


Index: clang/lib/Frontend/CompilerInvocation.cpp
===================================================================
--- clang/lib/Frontend/CompilerInvocation.cpp
+++ clang/lib/Frontend/CompilerInvocation.cpp
@@ -157,33 +157,26 @@
   Args.push_back(Spelling);
 }
 
-namespace {
-template <typename T> struct FlagToValueNormalizer {
-  T Value;
+template <typename T> static constexpr bool is_uint64_t_convertible() {
+  return !std::is_same<T, uint64_t>::value &&
+         llvm::is_integral_or_enum<T>::value;
+}
 
-  Optional<T> operator()(OptSpecifier Opt, unsigned, const ArgList &Args,
-                         DiagnosticsEngine &) {
+template <typename T,
+          std::enable_if_t<!is_uint64_t_convertible<T>(), bool> = false>
+static auto makeFlagToValueNormalizer(T Value) {
+  return [Value](OptSpecifier Opt, unsigned, const ArgList &Args,
+                 DiagnosticsEngine &) -> Optional<T> {
     if (Args.hasArg(Opt))
       return Value;
     return None;
-  }
-};
-} // namespace
-
-template <typename T> static constexpr bool is_int_convertible() {
-  return sizeof(T) <= sizeof(uint64_t) &&
-         std::is_trivially_constructible<T, uint64_t>::value &&
-         std::is_trivially_constructible<uint64_t, T>::value;
-}
-
-template <typename T, std::enable_if_t<is_int_convertible<T>(), bool> = false>
-static FlagToValueNormalizer<uint64_t> makeFlagToValueNormalizer(T Value) {
-  return FlagToValueNormalizer<uint64_t>{Value};
+  };
 }
 
-template <typename T, std::enable_if_t<!is_int_convertible<T>(), bool> = false>
-static FlagToValueNormalizer<T> makeFlagToValueNormalizer(T Value) {
-  return FlagToValueNormalizer<T>{std::move(Value)};
+template <typename T,
+          std::enable_if_t<is_uint64_t_convertible<T>(), bool> = false>
+static auto makeFlagToValueNormalizer(T Value) {
+  return makeFlagToValueNormalizer(uint64_t(Value));
 }
 
 static auto makeBooleanOptionNormalizer(bool Value, bool OtherValue,


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