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comparison: js/src/jit-test/tests/jaeger/regalloc-live.js
js/src/jit-test/tests/jaeger/regalloc-live.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:9fdb978b32f7 |
|---|---|
| 1 | |
| 2 // test local/arg liveness analysis in presence of many locals | |
| 3 | |
| 4 function foo(a, b, c) { | |
| 5 var x = 0, y = 0, z = 0; | |
| 6 if (a < b) { | |
| 7 x = a + 0; | |
| 8 y = b + 0; | |
| 9 z = c + 0; | |
| 10 } else { | |
| 11 x = a; | |
| 12 y = b; | |
| 13 z = c; | |
| 14 } | |
| 15 return x + y + z; | |
| 16 } | |
| 17 assertEq(foo(1, 2, 3), 6); | |
| 18 | |
| 19 // restore liveness correctly before switch statements | |
| 20 | |
| 21 function foo(a, b, c) { | |
| 22 var x = 0, y = 0, z = 0; | |
| 23 if (a < b) { | |
| 24 x = a + 0; | |
| 25 y = b + 0; | |
| 26 z = c + 0; | |
| 27 } else { | |
| 28 switch (c) { | |
| 29 case 1: | |
| 30 case 2: | |
| 31 case 3: | |
| 32 case 4: | |
| 33 case 5: return 0; | |
| 34 } | |
| 35 x = 0; | |
| 36 y = 0; | |
| 37 z = 0; | |
| 38 } | |
| 39 return x + y + z; | |
| 40 } | |
| 41 assertEq(foo(1, 2, 3), 6); |
