================
@@ -938,6 +938,37 @@ struct CounterCoverageMappingBuilder
return Counter::getCounter(CounterMap[S]);
}
+ struct BranchCounterPair {
----------------
ornata wrote:
IIUC the point of this pair is given:
```
if (x) {
// ... do something
} else if (y) {
// ... something else
} else {
// ... another something else
}
```
You want to track, _from the perspective of a branch_, how many times it is
executed.
For example, there will be a `BranchAndCounterPair` for the `if`, the `else
if`, and the `else`.
Assuming I'm understanding this correctly, I think we could explain this struct
like so:
```
/// Structure to track how many times a conditional was executed or skipped
over when evaluated at runtime.
///
/// E.g. given a conditional like
///
/// if (x) {...}
///
/// Keep track of the number of times the `if` branch is taken, and the number
of times it is not taken.
```
https://github.com/llvm/llvm-project/pull/112702
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