kotlin-fork/js/js.translator/testData/js-optimizer/while-condition-folding/inLabeledBlock.optimized.js at 94de114894a6acdde75e3e0349b80c331aba6a67 - kotlin-fork - Azalea's Gitea

azalea/kotlin-fork

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T

Alexey Andreev 05dd039151 KT-12275 Add JS optimization that transforms the following code

```
do {
    X
    if (B) break;
} while (A)
```

to

```
do {
    X
} while (!B && A)
```

Add inversion that takes boolean expression and applies negation to it, simplifying if possible (like !!a => a).

2016-07-25 18:46:46 +03:00

15 lines

242 B

JavaScript

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Raw Blame History

 function box() {
     var i = 1;
     var sum = 0;
     outer: {
         while (i < 10) {
             sum += i;
             i++;
             if (sum > 20) break outer;
         }
     }
     if (sum != 21) return "fail: " + sum;
     return "OK"
 }