================
@@ -1190,10 +1329,28 @@ mlir::Value CIRGenFunction::emitCXXNewExpr(const
CXXNewExpr *e) {
cgm.errorNYI(e->getSourceRange(), "emitCXXNewExpr: null check");
// If there's an operator delete, enter a cleanup to call it if an
- // exception is thrown.
- if (e->getOperatorDelete() &&
- !e->getOperatorDelete()->isReservedGlobalPlacementOperator())
- cgm.errorNYI(e->getSourceRange(), "emitCXXNewExpr: operator delete");
+ // exception is thrown. If we do this, we'l be creating the result pointer
+ // inside a cleanup scope, either with a bitcast or an offset based on the
+ // array cookie size. However, we need to return that pointer from outside
+ // the cleanup scope, so we need to store it in a temporary variable.
+ bool useNewDeleteCleanup =
+ e->getOperatorDelete() &&
+ !e->getOperatorDelete()->isReservedGlobalPlacementOperator();
+ // These variables are only used if we use the new delete cleanup.
+ mlir::OpBuilder::InsertPoint beforeNewDeleteCleanup;
+ EHScopeStack::stable_iterator operatorDeleteCleanup;
+ Address resultPtr = Address::invalid();
+ mlir::Operation *cleanupDominator = nullptr;
+ if (useNewDeleteCleanup) {
+ beforeNewDeleteCleanup = builder.saveInsertionPoint();
----------------
erichkeane wrote:
IS this used anywhere?
https://github.com/llvm/llvm-project/pull/184707
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