diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/sharedbuf/inline-access.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/sharedbuf/inline-access.js')
-rw-r--r-- | js/src/jit-test/tests/sharedbuf/inline-access.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/sharedbuf/inline-access.js b/js/src/jit-test/tests/sharedbuf/inline-access.js new file mode 100644 index 0000000000..3672f65c1d --- /dev/null +++ b/js/src/jit-test/tests/sharedbuf/inline-access.js @@ -0,0 +1,26 @@ +// |jit-test| slow; skip-if: !this.SharedArrayBuffer +// +// This is for testing inlining behavior in the jits. +// +// For Baseline, run: +// $ IONFLAGS=bl-ic .../js --ion-off --baseline-eager inline-access.js +// Then inspect the output, there should be calls to "GetElem(TypedArray[Int32])", +// "GetProp(NativeObj/NativeGetter 0x...)", and "SetElem_TypedArray stub" +// for the read access, length access, and write access respectively, within f. +// +// For Ion, run: +// $ IONFLAGS=logs .../js --ion-offthread-compile=off inline-access.js +// Then postprocess with iongraph and verify (by inspecting MIR late in the pipeline) +// that it contains instructions like "typedarraylength", "loadtypedarrayelement", +// and "storetypedarrayelement". + +function f(ta) { + return (ta[2] = ta[0] + ta[1] + ta.length); +} + +var v = new Int32Array(new SharedArrayBuffer(4096)); +var sum = 0; +var iter = 1000; +for ( var i=0 ; i < iter ; i++ ) + sum += f(v); +assertEq(sum, v.length * iter); |