Commit Graph

3 Commits

Author SHA1 Message Date
Erik Eckstein
cc68bd98c9 Swift Optimizer: rework pass context types and instruction passes
* split the `PassContext` into multiple protocols and structs: `Context`, `MutatingContext`, `FunctionPassContext` and `SimplifyContext`
* change how instruction passes work: implement the `simplify` function in conformance to `SILCombineSimplifyable`
* add a mechanism to add a callback for inserted instructions
2023-01-16 15:11:34 +01:00
Erik Eckstein
6c35258f83 Swift SIL: rename parent accessors to parentX, e.g. Instruction.parentBlock
It makes it easier to read
2023-01-16 15:11:34 +01:00
Erik Eckstein
d4d1620f28 Swift SIL: rework Instruction and BasicBlock lists to support deleting instructions during iteration
Replace the generic `List` with the (non-generic) `InstructionList` and `BasicBlockList`.
The `InstructionList` is now a bit different than the `BasicBlockList` because it supports that instructions are deleted while iterating over the list.
Also add a test pass which tests instruction modification while iteration.
2022-12-12 19:08:57 +01:00