forked from OSchip/llvm-project
4e103a12d9
This revision adds native ODS support for VariadicOfVariadic operand groups. An example of this is the SwitchOp, which has a variadic number of nested operand ranges for each of the case statements, where the number of case statements is variadic. Builtin ODS support allows for generating proper accessors for the nested operand ranges, builder support, and declarative format support. VariadicOfVariadic operands are supported by providing a segment attribute to use to store the operand groups, mapping similarly to the AttrSizedOperand trait (but with a user defined attribute name). `build` methods for VariadicOfVariadic operand expect inputs of the form `ArrayRef<ValueRange>`. Accessors for the variadic ranges return a new `OperandRangeRange` type, which represents a contiguous range of `OperandRange`. In the declarative assembly format, VariadicOfVariadic operands and types are by default formatted as a comma delimited list of value lists: `(<value>, <value>), (), (<value>)`. Differential Revision: https://reviews.llvm.org/D107774 |
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| CMakeLists.txt | ||