[clang] [clang][Interp] Support arbitrary precision constants (PR #79747)

Timm Baeder via cfe-commits cfe-commits at lists.llvm.org
Tue Jan 30 09:23:49 PST 2024


================
@@ -228,6 +229,42 @@ void emit(Program &P, std::vector<std::byte> &Code, const Floating &Val,
   Val.serialize(Code.data() + ValPos);
 }
 
+template <>
+void emit(Program &P, std::vector<std::byte> &Code,
+          const IntegralAP<false> &Val, bool &Success) {
+  size_t Size = Val.bytesToSerialize();
+
+  if (Code.size() + Size > std::numeric_limits<unsigned>::max()) {
----------------
tbaederr wrote:

Ah, ok. No this checks if the additional value would overflow `unsigned`. :)

https://github.com/llvm/llvm-project/pull/79747


More information about the cfe-commits mailing list