================
@@ -5366,6 +5366,48 @@ def CIR_CatchParamOp : CIR_Op<"catch_param",
[HasParent<"cir::TryOp">]> {
let hasLLVMLowering = false;
}
+//===----------------------------------------------------------------------===//
+// CatchParamFlatOp
+//===----------------------------------------------------------------------===//
+
+def CIR_FlatCatchParamKind : CIR_I32EnumAttr<
+ "FlatCatchParamKind", "Designate limits for begin/end of catch param
handling", [
+ I32EnumAttrCase<"Begin", 0, "begin">,
+ I32EnumAttrCase<"End", 1, "end">
+]>;
+
+def CIR_CatchParamFlatOp : CIR_Op<"catch_param.flat"> {
+ let summary = "A flattened version of `cir.catch_param`";
+ let description = [{
+ The `cir.catch_param.flat` operation is a region-less and simplified
+ version of the `cir.catch_param`.
+
+ Its representation is closer to LLVM IR dialect
+ than the C/C++ language feature.
+
+ This operation is used only after the CFG flatterning pass.
+
+ Examples:
+ ```mlir
+ %exception = cir.catch_param.flat begin %exception_ptr -> !cir.ptr<!s32i>
+ cir.catch_param.flat end
+ ```
+ }];
+
+ let arguments = (ins
+ Optional<CIR_VoidPtrType>:$exception_ptr,
----------------
xlauko wrote:
Maybe might make sense as for `vptr` to have custom pointer type for exceptions?
https://github.com/llvm/llvm-project/pull/172713
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