Joshua Cao 5602636835 [LoopPeel] Peel iterations based on and, or conditions (#73413) ...

For example, this allows us to peel this loop with a `and`:
```
for (int i = 0; i < N; ++i) {
  if (i % 2 == 0 && i < 3) // can peel based on || as well
    f1();
  f2();
```
into:
```
for (int i = 0; i < 3; ++i) { // peel three iterations
  if (i % 2 == 0)
    f1();
  f2();
}
for (int i = 3; i < N; ++i)
  f2();
```

2023-12-02 11:24:02 -08:00

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