Erik Eckstein a12e33e9e9 Swift Optimizer: add the FunctionUses utility ...

Provides a list of instructions, which reference a function.

A function "use" is an instruction in another (or the same) function which references the function.
In most cases those are `function_ref` instructions, but can also be e.g. `keypath` instructions.

'FunctionUses' performs an analysis of all functions in the module and collects instructions which reference other functions.
This utility can be used to do inter-procedural caller-analysis.

2022-08-24 17:55:02 +02:00

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