================
@@ -1642,6 +1642,102 @@ void AsmPrinter::emitStackUsage(const MachineFunction
&MF) {
*StackUsageStream << "static\n";
}
+/// Extracts a generalized numeric type identifier of a Function's type from
+/// type metadata. Returns null if metadata cannot be found.
+static ConstantInt *extractNumericCGTypeId(const Function &F) {
+ SmallVector<MDNode *, 2> Types;
+ F.getMetadata(LLVMContext::MD_type, Types);
+ MDString *MDGeneralizedTypeId = nullptr;
+ for (const auto &Type : Types) {
+ if (Type->getNumOperands() == 2 && isa<MDString>(Type->getOperand(1))) {
+ auto *TMDS = cast<MDString>(Type->getOperand(1));
+ if (TMDS->getString().ends_with("generalized")) {
+ MDGeneralizedTypeId = TMDS;
+ break;
+ }
+ }
+ }
+
+ if (!MDGeneralizedTypeId)
+ return nullptr;
+
+ uint64_t TypeIdVal = llvm::MD5Hash(MDGeneralizedTypeId->getString());
+ Type *Int64Ty = Type::getInt64Ty(F.getContext());
+ return cast<ConstantInt>(ConstantInt::get(Int64Ty, TypeIdVal));
----------------
arsenm wrote:
This cast is unnecessary.
```suggestion
return ConstantInt::get(Int64Ty, TypeIdVal);
```
https://github.com/llvm/llvm-project/pull/87576
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