================
@@ -289,6 +291,52 @@ void CIRGenItaniumCXXABI::emitDestructorCall(
vttTy, nullptr);
}
+// The idea here is creating a separate block for the throw with an
+// `UnreachableOp` as the terminator. So, we branch from the current block
+// to the throw block and create a block for the remaining operations.
+static void insertThrowAndSplit(mlir::OpBuilder &builder, mlir::Location loc,
+ mlir::Value exceptionPtr = {},
+ mlir::FlatSymbolRefAttr typeInfo = {},
+ mlir::FlatSymbolRefAttr dtor = {}) {
+ mlir::Block *currentBlock = builder.getInsertionBlock();
+ mlir::Region *region = currentBlock->getParent();
+
+ if (currentBlock->empty()) {
+ cir::ThrowOp::create(builder, loc, exceptionPtr, typeInfo, dtor);
+ cir::UnreachableOp::create(builder, loc);
+ } else {
+ mlir::Block *throwBlock = builder.createBlock(region);
+
+ cir::ThrowOp::create(builder, loc, exceptionPtr, typeInfo, dtor);
+ cir::UnreachableOp::create(builder, loc);
+
+ builder.setInsertionPointToEnd(currentBlock);
+ cir::BrOp::create(builder, loc, throwBlock);
+ }
+
+ (void)builder.createBlock(region);
+
+ // This will be erased during codegen, it acts as a placeholder for the
+ // operations to be inserted (if any)
----------------
AmrDeveloper wrote:
That's right, it's more clear when I tested it with code after throw, Thanks
https://github.com/llvm/llvm-project/pull/154994
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