js/src/jit-test/tests/ion/testFloat32.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/ion/testFloat32.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,361 @@
     1.4 +// Fuzz tests
     1.5 +(function(){
     1.6 +    //
     1.7 +    (function(){
     1.8 +        var g = {};
     1.9 +        x = new Float32Array()
    1.10 +        Function('g', "g.o = x[1]")(g);
    1.11 +    })();
    1.12 +    //
    1.13 +    (function() {
    1.14 +        var g = new Float32Array(16);
    1.15 +        var h = new Float64Array(16);
    1.16 +        var farrays = [ g, h ];
    1.17 +        for (aridx = 0; aridx < farrays.length; ++aridx) {
    1.18 +            ar  = farrays[aridx];
    1.19 +            !(ar[ar.length-2] == (NaN / Infinity)[ar.length-2])
    1.20 +        }
    1.21 +    })();
    1.22 +    //
    1.23 +    (function () {
    1.24 +        var v = new Float32Array(32);
    1.25 +        for (var i = 0; i < v.length; ++i)
    1.26 +        v[i] = i;
    1.27 +    var t = (false  );
    1.28 +    for (var i = 0; i < i .length; ++i)
    1.29 +        t += v[i];
    1.30 +    })();
    1.31 +    //
    1.32 +    (function() {
    1.33 +        if (typeof ParallelArray !== "undefined")
    1.34 +        ParallelArray([1606], Math.fround)
    1.35 +    })();
    1.36 +    //
    1.37 +    (function() {
    1.38 +        x = y = {};
    1.39 +        z = new Float32Array(6)
    1.40 +        for (c in this) {
    1.41 +            Array.prototype.unshift.call(x, new ArrayBuffer())
    1.42 +        }
    1.43 +        Array.prototype.sort.call(x, (function (j) {
    1.44 +            y.s = z[2]
    1.45 +        }))
    1.46 +    })();
    1.47 +    //
    1.48 +})();
    1.49 +//
    1.50 +// ION TESTS
    1.51 +//
    1.52 +// The assertFloat32 function is deactivated in --ion-eager mode, as the first time, the function Math.fround
    1.53 +// would be guarded against modifications (typeguard on Math and then on fround). In this case, Math.fround is
    1.54 +// not inlined and the compiler will consider the return value to be a double, not a float32, making the
    1.55 +// assertions fail. Note that as assertFloat32 is declared unsafe for fuzzing, this can't happen in fuzzed code.
    1.56 +//
    1.57 +// To be able to test it, we still need ion compilation though. A nice solution is to manually lower the ion usecount.
    1.58 +setJitCompilerOption("ion.usecount.trigger", 50);
    1.59 +
    1.60 +function test(f) {
    1.61 +    f32[0] = .5;
    1.62 +    for(var n = 110; n; n--)
    1.63 +        f();
    1.64 +}
    1.65 +
    1.66 +var f32 = new Float32Array(2);
    1.67 +var f64 = new Float64Array(2);
    1.68 +
    1.69 +function acceptAdd() {
    1.70 +    var use = f32[0] + 1;
    1.71 +    assertFloat32(use, true);
    1.72 +    f32[0] = use;
    1.73 +}
    1.74 +test(acceptAdd);
    1.75 +
    1.76 +function acceptAddSeveral() {
    1.77 +    var sum1 = f32[0] + 0.5;
    1.78 +    var sum2 = f32[0] + 0.5;
    1.79 +    f32[0] = sum1;
    1.80 +    f32[0] = sum2;
    1.81 +    assertFloat32(sum1, true);
    1.82 +    assertFloat32(sum2, true);
    1.83 +}
    1.84 +test(acceptAddSeveral);
    1.85 +
    1.86 +function acceptAddVar() {
    1.87 +    var x = f32[0] + 1;
    1.88 +    f32[0] = x;
    1.89 +    f32[1] = x;
    1.90 +    assertFloat32(x, true);
    1.91 +}
    1.92 +test(acceptAddVar);
    1.93 +
    1.94 +function refuseAddCst() {
    1.95 +    var x = f32[0] + 1234567890; // this constant can't be precisely represented as a float32
    1.96 +    f32[0] = x;
    1.97 +    assertFloat32(x, false);
    1.98 +}
    1.99 +test(refuseAddCst);
   1.100 +
   1.101 +function refuseAddVar() {
   1.102 +    var x = f32[0] + 1;
   1.103 +    f32[0] = x;
   1.104 +    f32[1] = x;
   1.105 +    f64[1] = x; // non consumer
   1.106 +    assertFloat32(x, false);
   1.107 +}
   1.108 +test(refuseAddVar);
   1.109 +
   1.110 +function refuseAddStore64() {
   1.111 +    var x = f32[0] + 1;
   1.112 +    f64[0] = x; // non consumer
   1.113 +    f32[0] = f64[0];
   1.114 +    assertFloat32(x, false);
   1.115 +}
   1.116 +test(refuseAddStore64);
   1.117 +
   1.118 +function refuseAddStoreObj() {
   1.119 +    var o = {}
   1.120 +    var x = f32[0] + 1;
   1.121 +    o.x = x; // non consumer
   1.122 +    f32[0] = o['x'];
   1.123 +    assertFloat32(x, false);
   1.124 +}
   1.125 +test(refuseAddStoreObj);
   1.126 +
   1.127 +function refuseAddSeveral() {
   1.128 +    var sum = (f32[0] + 2) - 1; // second addition is not a consumer
   1.129 +    f32[0] = sum;
   1.130 +    assertFloat32(sum, false);
   1.131 +}
   1.132 +test(refuseAddSeveral);
   1.133 +
   1.134 +function refuseAddFunctionCall() {
   1.135 +    function plusOne(x) { return Math.cos(x+1)*13.37; }
   1.136 +    var res = plusOne(f32[0]); // func call is not a consumer
   1.137 +    f32[0] = res;
   1.138 +    assertFloat32(res, false);
   1.139 +}
   1.140 +test(refuseAddFunctionCall);
   1.141 +
   1.142 +function acceptSqrt() {
   1.143 +    var res = Math.sqrt(f32[0]);
   1.144 +    assertFloat32(res, true);
   1.145 +    f32[0] = res;
   1.146 +}
   1.147 +test(acceptSqrt);
   1.148 +
   1.149 +function refuseSqrt() {
   1.150 +    var res = Math.sqrt(f32[0]);
   1.151 +    assertFloat32(res, false);
   1.152 +    f32[0] = res + 1;
   1.153 +}
   1.154 +test(refuseSqrt);
   1.155 +
   1.156 +function acceptAbs() {
   1.157 +    var res = Math.abs(f32[0]);
   1.158 +    assertFloat32(res, true);
   1.159 +    f32[0] = res;
   1.160 +}
   1.161 +test(acceptAbs);
   1.162 +
   1.163 +function refuseAbs() {
   1.164 +    var res = Math.abs(f32[0]);
   1.165 +    assertFloat32(res, false);
   1.166 +    f64[0] = res + 1;
   1.167 +}
   1.168 +test(refuseAbs);
   1.169 +
   1.170 +function refuseTrigo() {
   1.171 +    var res = Math.cos(f32[0]);
   1.172 +    f32[0] = res;
   1.173 +    assertFloat32(res, false);
   1.174 +
   1.175 +    var res = Math.sin(f32[0]);
   1.176 +    f32[0] = res;
   1.177 +    assertFloat32(res, false);
   1.178 +
   1.179 +    var res = Math.tan(f32[0]);
   1.180 +    f32[0] = res;
   1.181 +    assertFloat32(res, false);
   1.182 +
   1.183 +    var res = Math.acos(f32[0]);
   1.184 +    f32[0] = res;
   1.185 +    assertFloat32(res, false);
   1.186 +
   1.187 +    var res = Math.asin(f32[0]);
   1.188 +    f32[0] = res;
   1.189 +    assertFloat32(res, false);
   1.190 +
   1.191 +    res = Math.atan(f32[0]);
   1.192 +    f32[0] = res;
   1.193 +    assertFloat32(res, false);
   1.194 +}
   1.195 +test(refuseTrigo);
   1.196 +
   1.197 +function refuseMath() {
   1.198 +    var res = Math.log10(f32[0]);
   1.199 +    f32[0] = res;
   1.200 +    assertFloat32(res, false);
   1.201 +
   1.202 +    res = Math.log2(f32[0]);
   1.203 +    f32[0] = res;
   1.204 +    assertFloat32(res, false);
   1.205 +
   1.206 +    res = Math.log1p(f32[0]);
   1.207 +    f32[0] = res;
   1.208 +    assertFloat32(res, false);
   1.209 +
   1.210 +    res = Math.expm1(f32[0]);
   1.211 +    f32[0] = res;
   1.212 +    assertFloat32(res, false);
   1.213 +
   1.214 +    res = Math.cosh(f32[0]);
   1.215 +    f32[0] = res;
   1.216 +    assertFloat32(res, false);
   1.217 +
   1.218 +    res = Math.sinh(f32[0]);
   1.219 +    f32[0] = res;
   1.220 +    assertFloat32(res, false);
   1.221 +
   1.222 +    res = Math.tanh(f32[0]);
   1.223 +    f32[0] = res;
   1.224 +    assertFloat32(res, false);
   1.225 +
   1.226 +    res = Math.acosh(f32[0]);
   1.227 +    f32[0] = res;
   1.228 +    assertFloat32(res, false);
   1.229 +
   1.230 +    res = Math.asinh(f32[0]);
   1.231 +    f32[0] = res;
   1.232 +    assertFloat32(res, false);
   1.233 +
   1.234 +    res = Math.atanh(f32[0]);
   1.235 +    f32[0] = res;
   1.236 +    assertFloat32(res, false);
   1.237 +
   1.238 +    res = Math.cbrt(f32[0]);
   1.239 +    f32[0] = res;
   1.240 +    assertFloat32(res, false);
   1.241 +
   1.242 +    res = Math.sign(f32[0]);
   1.243 +    f32[0] = res;
   1.244 +    assertFloat32(res, false);
   1.245 +
   1.246 +    res = Math.trunc(f32[0]);
   1.247 +    f32[0] = res;
   1.248 +    assertFloat32(res, false);
   1.249 +}
   1.250 +test(refuseMath);
   1.251 +
   1.252 +function refuseLoop() {
   1.253 +    var res = f32[0],
   1.254 +        n = 10;
   1.255 +    while (n--) {
   1.256 +        res = res + 1; // this loop is equivalent to several additions => second addition is not a consumer
   1.257 +        assertFloat32(res, false);
   1.258 +    }
   1.259 +    assertFloat32(res, false);
   1.260 +    f32[0] = res;
   1.261 +}
   1.262 +test(refuseLoop);
   1.263 +
   1.264 +function acceptLoop() {
   1.265 +    var res = f32[0],
   1.266 +        n = 10;
   1.267 +    while (n--) {
   1.268 +        var sum = res + 1;
   1.269 +        res = Math.fround(sum);
   1.270 +        assertFloat32(sum, true);
   1.271 +    }
   1.272 +    assertFloat32(res, true);
   1.273 +    f32[0] = res;
   1.274 +}
   1.275 +test(acceptLoop);
   1.276 +
   1.277 +function alternateCond(n) {
   1.278 +    var x = f32[0];
   1.279 +    if (n > 0) {
   1.280 +        var s1 = x + 1;
   1.281 +        f32[0] = s1;
   1.282 +        assertFloat32(s1, true);
   1.283 +    } else {
   1.284 +        var s2 = x + 1;
   1.285 +        f64[0] = s2; // non consumer
   1.286 +        assertFloat32(s2, false);
   1.287 +    }
   1.288 +}
   1.289 +(function() {
   1.290 +    f32[0] = 0;
   1.291 +    for (var n = 110; n; n--) {
   1.292 +        alternateCond(n % 2);
   1.293 +    }
   1.294 +})();
   1.295 +
   1.296 +function phiTest(n) {
   1.297 +    var x = (f32[0]);
   1.298 +    var y = n;
   1.299 +    if (n > 0) {
   1.300 +        x = x + 2;
   1.301 +        assertFloat32(x, true);
   1.302 +    } else {
   1.303 +        if (n < -10) {
   1.304 +            x = Math.fround(Math.sqrt(y));
   1.305 +            assertFloat32(x, true);
   1.306 +        } else {
   1.307 +            x = x - 1;
   1.308 +            assertFloat32(x, true);
   1.309 +        }
   1.310 +    }
   1.311 +    assertFloat32(x, true);
   1.312 +    f32[0] = x;
   1.313 +}
   1.314 +(function() {
   1.315 +    f32[0] = 0;
   1.316 +    for (var n = 100; n; n--) {
   1.317 +        phiTest( ((n % 3) - 1) * 15 );
   1.318 +    }
   1.319 +})();
   1.320 +
   1.321 +function mixedPhiTest(n) {
   1.322 +    var x = (f32[0]);
   1.323 +    var y = n;
   1.324 +    if (n > 0) {
   1.325 +        x = x + 2; // non consumer because of (1)
   1.326 +        assertFloat32(x, false);
   1.327 +    } else {
   1.328 +        if (n < -10) {
   1.329 +            x = Math.fround(Math.sqrt(y)); // new producer
   1.330 +            assertFloat32(x, true);
   1.331 +        } else {
   1.332 +            x = x - 1; // non consumer because of (1)
   1.333 +            assertFloat32(x, false);
   1.334 +        }
   1.335 +    }
   1.336 +    assertFloat32(x, false);
   1.337 +    x = x + 1; // (1) non consumer
   1.338 +    f32[0] = x;
   1.339 +}
   1.340 +(function() {
   1.341 +    f32[0] = 0;
   1.342 +    for (var n = 100; n; n--) {
   1.343 +        mixedPhiTest( ((n % 3) - 1) * 15 );
   1.344 +    }
   1.345 +})();
   1.346 +
   1.347 +function phiTest2(n) {
   1.348 +    var x = f32[0];
   1.349 +    while (n >= 0) {
   1.350 +        x = Math.fround(Math.fround(x) + 1);
   1.351 +        assertFloat32(x, true);
   1.352 +        if (n < 10) {
   1.353 +            x = f32[0] + 1;
   1.354 +            assertFloat32(x, true);
   1.355 +        }
   1.356 +        n = n - 1;
   1.357 +    }
   1.358 +}
   1.359 +(function(){
   1.360 +    f32[0] = 0;
   1.361 +    for (var n = 100; n > 10; n--) {
   1.362 +        phiTest2(n);
   1.363 +    }
   1.364 +})();

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