js/src/jit-test/tests/ion/eliminate-unreachable-1.js

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 // Test for one annoying case of the EliminateUnreachableCode
     2 // optimization.  Here the dominators change and also phis are
     3 // eliminated.
     5 function test1(v) {
     6   var i = 0;
     7   if (v) {
     8     if (v) {
     9       i += 1;
    10     } else {
    11       i += 10;
    12     }
    13     i += 100;
    14   } else {
    15     if (v) {
    16       i += 1000;
    17     } else {
    18       i += 10000;
    19     }
    20     i += 100000;
    21   }
    22   i += 1000000;
    23   return i;
    24 }
    26 function test() {
    27   assertEq(test1(true), 1000101);
    28   assertEq(test1(false), 1110000);
    29 }
    31 for (var i = 0; i < 100; i++)
    32   test();

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