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Revision 5c03805d684cb541ba5a40138457bb598642de20 authored by Alon Zakai on 14 March 2014, 22:09:59 UTC, committed by Alon Zakai on 14 March 2014, 23:14:00 UTC 
add a Nested branch type in relooper, to represent a path we must make sure is nested so that parallel paths do not get intertwined. this allows us to emit a more canonical form of nested ifs as a result of short-circuit operators; 1.13.2
1 parent e56b193
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test-js-optimizer-t2c.js 
function shifty() {
 $pPage = HEAP32[$pCur_addr + 116 + ($26 << 16 >> 16 << 2) >> 2];
 var $ead_192394 = HEAP32[$pCur_addr + 116 + ($26 << 16 >> 16 << 2) >> 2];
 $pPage2 = HEAP32[$pCur_addr + 116 + ($26 << 16 >> 16 << 2)];
 var $ead_192394b = HEAP32[$pCur_addr + 116 + ($26 << 16 >> 16 << 2)];
 $pPage2 = HEAP32[$pCur_addr + 116 + ($26 << 16 >> 16)];
 var $ead_192394b = HEAP32[$pCur_addr + 116 + ($26 << 16 >> 16)];
 // We prefer to do additions then shifts, so the shift happens last, because the shift output is known to be 32-bit. So these should not change
 q(16 >> 2);
 q($13 + 8 >> 2);
 q(28 + $13 >> 2);
 q(48 + $13 + 12 >> 2);
 q($13 + $15 + 12 >> 2);
 q(HEAPF32[$output + ($j37 << 4) + 4 >> 2]);
 q(5 + $13 + 8 << 2);
 q(((h() | 0) >> 2) << 2); // removing the shifts is dangerous
}
// EMSCRIPTEN_GENERATED_FUNCTIONS: ["shifty"]
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