1 files changed, 18 insertions, 0 deletions
diff --git a/compiler/rustc_symbol_mangling/src/typeid.rs b/compiler/rustc_symbol_mangling/src/typeid.rs
new file mode 100644
index 000000000..9228bea43
--- /dev/null
+++ b/compiler/rustc_symbol_mangling/src/typeid.rs
@@ -0,0 +1,18 @@
+// For more information about type metadata and type metadata identifiers for cross-language LLVM
+// CFI support, see Type metadata in the design document in the tracking issue #89653.
+
+use rustc_middle::ty::{FnSig, Ty, TyCtxt};
+use rustc_target::abi::call::FnAbi;
+
+mod typeid_itanium_cxx_abi;
+use typeid_itanium_cxx_abi::TypeIdOptions;
+
+/// Returns a type metadata identifier for the specified FnAbi.
+pub fn typeid_for_fnabi<'tcx>(tcx: TyCtxt<'tcx>, fn_abi: &FnAbi<'tcx, Ty<'tcx>>) -> String {
+    typeid_itanium_cxx_abi::typeid_for_fnabi(tcx, fn_abi, TypeIdOptions::NO_OPTIONS)
+}
+
+/// Returns a type metadata identifier for the specified FnSig.
+pub fn typeid_for_fnsig<'tcx>(tcx: TyCtxt<'tcx>, fn_sig: &FnSig<'tcx>) -> String {
+    typeid_itanium_cxx_abi::typeid_for_fnsig(tcx, fn_sig, TypeIdOptions::NO_OPTIONS)
+}