================
@@ -1334,3 +1334,63 @@ mlir::Value CIRGenFunction::emitDynamicCast(Address
thisAddr,
return cgm.getCXXABI().emitDynamicCast(*this, loc, srcRecordTy, destRecordTy,
destCirTy, isRefCast, thisAddr);
}
+
+static mlir::Value emitCXXTypeidFromVTable(CIRGenFunction &cgf, const Expr *e,
+ mlir::Type typeInfoPtrTy,
+ bool hasNullCheck) {
+ Address thisPtr = cgf.emitLValue(e).getAddress();
+ QualType srcType = e->getType();
+
+ // C++ [class.cdtor]p4:
+ // If the operand of typeid refers to the object under construction or
+ // destruction and the static type of the operand is neither the
constructor
+ // or destructor’s class nor one of its bases, the behavior is undefined.
+ assert(!cir::MissingFeatures::sanitizers());
+
+ if (hasNullCheck && cgf.cgm.getCXXABI().shouldTypeidBeNullChecked(srcType)) {
+ mlir::Value isThisNull =
+ cgf.getBuilder().createPtrIsNull(thisPtr.getPointer());
+ // We don't really care about the value, we just want to make sure the
+ // 'true' side calls bad-type-id.
+ auto ifOp = cir::IfOp::create(
+ cgf.getBuilder(), cgf.getLoc(e->getSourceRange()), isThisNull,
+ /*withElseRegion=*/false, [&](mlir::OpBuilder &, mlir::Location loc) {
+ cgf.cgm.getCXXABI().emitBadTypeidCall(cgf, loc);
+ });
+ cgf.getBuilder().setInsertionPointAfter(ifOp);
+ }
+
+ return cgf.cgm.getCXXABI().emitTypeid(cgf, srcType, thisPtr, typeInfoPtrTy);
+}
+
+mlir::Value CIRGenFunction::emitCXXTypeidExpr(const CXXTypeidExpr *e) {
+ mlir::Location loc = getLoc(e->getSourceRange());
+ mlir::Type resultType = cir::PointerType::get(convertType(e->getType()));
+ QualType ty = e->isTypeOperand() ? e->getTypeOperand(getContext())
----------------
erichkeane wrote:
This is really involved with a lot of other address space stuff, so I am just
going to do a MissingFeature. I tried to do an NYI, but that would require
adding quite a bit of other not-particularly-testable code, so I'm likely going
to leave it as a MissingFeatures.
https://github.com/llvm/llvm-project/pull/184449
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