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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | ad18d877ddd2a44d98fa12ccd3dbbcf4d0ac4299 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/ion/bug936740.js | |
parent | 15477ed9af4859dacb069040b5d4de600803d3bc (diff) | |
download | uxp-ad18d877ddd2a44d98fa12ccd3dbbcf4d0ac4299.tar.gz |
Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/ion/bug936740.js')
-rw-r--r-- | js/src/jit-test/tests/ion/bug936740.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug936740.js b/js/src/jit-test/tests/ion/bug936740.js new file mode 100644 index 0000000000..bf4a933786 --- /dev/null +++ b/js/src/jit-test/tests/ion/bug936740.js @@ -0,0 +1,26 @@ +function ceil(x) { + return Math.ceil(x); +} + +// Compiled as Ceil(double -> int32) +assertEq(ceil(1.1), 2); +assertEq(ceil(-1.1), -1); +assertEq(ceil(-3), -3); + +// As we use the identity Math.ceil(x) == -Math.floor(-x) and Floor(-0) bails out, +// this should bail out. +assertEq(ceil(0), 0); +assertEq(ceil(0), 0); + +// Reuses the Ceil(double -> int32) path +assertEq(ceil(1.1), 2); +assertEq(ceil(-1.1), -1); +assertEq(ceil(-3), -3); + +// Bails out and then compiles as Ceil(double -> double) +assertEq(ceil(-0), -0); +assertEq(ceil(Math.pow(2, 32)), Math.pow(2, 32)); +assertEq(ceil(-0), -0); + +// Still works but not inlined as double -> int32 (it still uses double -> double) +assertEq(ceil(1.5), 2); |