js/src/jit-test/tests/ion/bug936740.js@6474c204b198 (annotated)
js/src/jit-test/tests/ion/bug936740.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | function ceil(x) { |
| michael@0 | 2 | return Math.ceil(x); |
| michael@0 | 3 | } |
| michael@0 | 4 | |
| michael@0 | 5 | // Compiled as Ceil(double -> int32) |
| michael@0 | 6 | assertEq(ceil(1.1), 2); |
| michael@0 | 7 | assertEq(ceil(-1.1), -1); |
| michael@0 | 8 | assertEq(ceil(-3), -3); |
| michael@0 | 9 | |
| michael@0 | 10 | // As we use the identity Math.ceil(x) == -Math.floor(-x) and Floor(-0) bails out, |
| michael@0 | 11 | // this should bail out. |
| michael@0 | 12 | assertEq(ceil(0), 0); |
| michael@0 | 13 | assertEq(ceil(0), 0); |
| michael@0 | 14 | |
| michael@0 | 15 | // Reuses the Ceil(double -> int32) path |
| michael@0 | 16 | assertEq(ceil(1.1), 2); |
| michael@0 | 17 | assertEq(ceil(-1.1), -1); |
| michael@0 | 18 | assertEq(ceil(-3), -3); |
| michael@0 | 19 | |
| michael@0 | 20 | // Bails out and then compiles as Ceil(double -> double) |
| michael@0 | 21 | assertEq(ceil(-0), -0); |
| michael@0 | 22 | assertEq(ceil(Math.pow(2, 32)), Math.pow(2, 32)); |
| michael@0 | 23 | assertEq(ceil(-0), -0); |
| michael@0 | 24 | |
| michael@0 | 25 | // Still works but not inlined as double -> int32 (it still uses double -> double) |
| michael@0 | 26 | assertEq(ceil(1.5), 2); |
