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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/jaeger/regalloc-live.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,41 @@
     1.4 +
     1.5 +// test local/arg liveness analysis in presence of many locals
     1.6 +
     1.7 +function foo(a, b, c) {
     1.8 +  var x = 0, y = 0, z = 0;
     1.9 +  if (a < b) {
    1.10 +    x = a + 0;
    1.11 +    y = b + 0;
    1.12 +    z = c + 0;
    1.13 +  } else {
    1.14 +    x = a;
    1.15 +    y = b;
    1.16 +    z = c;
    1.17 +  }
    1.18 +  return x + y + z;
    1.19 +}
    1.20 +assertEq(foo(1, 2, 3), 6);
    1.21 +
    1.22 +// restore liveness correctly before switch statements
    1.23 +
    1.24 +function foo(a, b, c) {
    1.25 +  var x = 0, y = 0, z = 0;
    1.26 +  if (a < b) {
    1.27 +    x = a + 0;
    1.28 +    y = b + 0;
    1.29 +    z = c + 0;
    1.30 +  } else {
    1.31 +    switch (c) {
    1.32 +    case 1:
    1.33 +    case 2:
    1.34 +    case 3:
    1.35 +    case 4:
    1.36 +    case 5: return 0;
    1.37 +    }
    1.38 +    x = 0;
    1.39 +    y = 0;
    1.40 +    z = 0;
    1.41 +  }
    1.42 +  return x + y + z;
    1.43 +}
    1.44 +assertEq(foo(1, 2, 3), 6);