[FIRRTL] Add MatchOp statement
#5037
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This commit adds a match statement operation to the FIRRTL dialect. Match is used as an eliminator for enumeration types. It enforces exaustive case handling on all enumeration variants.
youngar
commented
Apr 13, 2023
| Example: | ||
| ```mlir | ||
| firrtl.match %in : !firrtl.enum<Some: uint<1>, None: uint<0>> { | ||
| case Some(%arg0) { |
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The ( and ) are not technically needed here, but I added them to match the FIRRTL syntax.
I might be able to get rid of the case keyword here but it made parsing easier.
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Happy for any post-merge review but I'm going to merge it so I can keep moving forward. |
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This commit adds a match statement operation to the FIRRTL dialect. Match is used as an eliminator for enumeration types. It enforces exaustive case handling on all enumeration variants.