js/src/jit-test/tests/asm.js/testHeapAccess.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.

     1 load(libdir + "asm.js");
     3 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i32[0>>2] = 4.0; return i32[0>>2]|0; } return f');
     4 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f32[0>>2] = 4; return +f32[0>>2]; } return f');
     6 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { var x=0,y=0; return i8[x+y]|0 } return f');
     7 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { var x=0,y=0; return u8[x+y]|0 } return f');
     9 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i32[0>>0]|0 }; return f');
    10 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i32[0>>1]|0 }; return f');
    11 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i32[0>>4]|0 }; return f');
    12 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i32[0]|0 }; return f'), this, null, new ArrayBuffer(4096))(), 0);
    14 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i = i32[i>>2]|0; return i|0}; return f');
    15 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    16 assertEq(f(0), 0);
    18 setCachingEnabled(true);
    20 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i32[0] = i; return i8[0]|0}; return f');
    21 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    22 assertEq(f(0),0);
    23 assertEq(f(0x7f),0x7f);
    24 assertEq(f(0xff),-1);
    25 assertEq(f(0x100),0);
    27 setCachingEnabled(false);
    29 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i32[0] = i; return u8[0]|0}; return f');
    30 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    31 assertEq(f(0),0);
    32 assertEq(f(0x7f),0x7f);
    33 assertEq(f(0xff),0xff);
    34 assertEq(f(0x100),0);
    36 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i32[0] = i; return i16[0]|0}; return f');
    37 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    38 assertEq(f(0),0);
    39 assertEq(f(0x7fff),0x7fff);
    40 assertEq(f(0xffff),-1);
    41 assertEq(f(0x10000),0);
    43 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i32[0] = i; return u16[0]|0}; return f');
    44 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    45 assertEq(f(0),0);
    46 assertEq(f(0x7fff),0x7fff);
    47 assertEq(f(0xffff),0xffff);
    48 assertEq(f(0x10000),0);
    50 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i32[0] = i; return i32[0]|0}; return f');
    51 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    52 assertEq(f(0),0);
    53 assertEq(f(0x7fffffff),0x7fffffff);
    54 assertEq(f(0xffffffff),-1);
    55 assertEq(f(0x100000000),0);
    57 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i32[0] = i; return u32[0]|0}; return f');
    58 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    59 assertEq(f(0),0);
    60 assertEq(f(0x7fffffff),0x7fffffff);
    61 assertEq(f(0xffffffff),-1);
    62 assertEq(f(0x100000000),0);
    64 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i32[0] = i; return i8[0]|0}; return f');
    65 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    66 assertEq(f(0),0);
    67 assertEq(f(0x7f),0x7f);
    68 assertEq(f(0xff),-1);
    69 assertEq(f(0x100),0);
    71 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i32[0] = i; return u8[0]|0}; return f');
    72 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    73 assertEq(f(0),0);
    74 assertEq(f(0x7f),0x7f);
    75 assertEq(f(0xff),0xff);
    76 assertEq(f(0x100),0);
    78 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i8[0] = i; return i8[0]|0}; return f');
    79 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    80 assertEq(f(0),0);
    81 assertEq(f(0x7f),0x7f);
    82 assertEq(f(0xff),-1);
    83 assertEq(f(0x100),0);
    85 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; i8[0] = i; return u8[0]|0}; return f');
    86 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    87 assertEq(f(0),0);
    88 assertEq(f(0x7f),0x7f);
    89 assertEq(f(0xff),0xff);
    90 assertEq(f(0x100),0);
    92 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j) {i=i|0;j=+j; f64[i>>3] = j; return (~~+f64[i>>3])|0}; return f');
    93 var f = asmLink(code, this, null, new ArrayBuffer(4096));
    94 assertEq(f(0, 1.3), 1);
    95 assertEq(f(4088, 2.5), 2);
    96 assertEq(f(4096, 3.8), 0);
    98 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j) {i=i|0;j=+j; f64[i>>3] = j; return (~~f64[i>>3])|0}; return f');
    99 var f = asmLink(code, this, null, new ArrayBuffer(4096));
   100 assertEq(f(0, 1.3), 1);
   101 assertEq(f(4088, 2.5), 2);
   102 assertEq(f(4096, 3.8), 0);
   104 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j) {i=i|0;j=+j; f64[i>>3] = j; return +f64[i>>3]}; return f');
   105 var f = asmLink(code, this, null, new ArrayBuffer(4096));
   106 assertEq(f(0, 1.3), 1.3);
   107 assertEq(f(4088, 2.5), 2.5);
   108 assertEq(f(4096, 3.8), NaN);
   110 var i32 = new Int32Array(4096);
   111 i32[0] = 42;
   112 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i32[1] = i32[0] }; return f'), this, null, i32.buffer)();
   113 assertEq(i32[1], 42);
   115 var f64 = new Float64Array(4096);
   116 f64[0] = 42;
   117 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f64[1] = f64[0] }; return f'), this, null, f64.buffer)();
   118 assertEq(f64[1], 42);
   120 var i32 = new Int32Array(4096/4);
   121 i32[0] = 13;
   122 i32[1] = 0xfffeeee;
   123 var f = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; return i32[((i<<2)+1)>>2]|0 }; return f'), this, null, i32.buffer);
   124 assertEq(f(0), 13);
   125 assertEq(f(1), 0xfffeeee);
   126 var f = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; return i32[((i<<2)+2)>>2]|0 }; return f'), this, null, i32.buffer);
   127 assertEq(f(0), 13);
   128 assertEq(f(1), 0xfffeeee);
   129 var f = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; return i32[(i<<1)>>2]|0 }; return f'), this, null, i32.buffer);
   130 assertEq(f(0), 13);
   131 assertEq(f(1), 13);
   132 assertEq(f(2), 0xfffeeee);
   133 assertEq(f(3), 0xfffeeee);
   135 var f = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; return i32[(i<<2)>>2]|0 }; return f'), this, null, i32.buffer);
   136 assertEq(f(0), 13);
   137 assertEq(f(1), 0xfffeeee);
   139 var f = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; return i32[((i<<2)+4)>>2]|0 }; return f'), this, null, i32.buffer);
   140 assertEq(f(0), 0xfffeeee);
   142 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u8[7&0xffff] = 41 } return f'), this, null, BUF_64KB)();
   143 assertEq(new Uint8Array(BUF_64KB)[7], 41);
   144 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i8[7&0xffff] = -41 } return f'), this, null, BUF_64KB)();
   145 assertEq(new Int8Array(BUF_64KB)[7], -41);
   146 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u16[(6&0xffff)>>1] = 0xabc } return f'), this, null, BUF_64KB)();
   147 assertEq(new Uint16Array(BUF_64KB)[3], 0xabc);
   148 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i16[(6&0xffff)>>1] = -0xabc } return f'), this, null, BUF_64KB)();
   149 assertEq(new Int16Array(BUF_64KB)[3], -0xabc);
   150 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u32[(4&0xffff)>>2] = 0xabcde } return f'), this, null, BUF_64KB)();
   151 assertEq(new Uint32Array(BUF_64KB)[1], 0xabcde);
   152 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i32[(4&0xffff)>>2] = -0xabcde } return f'), this, null, BUF_64KB)();
   153 assertEq(new Int32Array(BUF_64KB)[1], -0xabcde);
   154 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f32[(4&0xffff)>>2] = 1.0 } return f'), this, null, BUF_64KB)();
   155 assertEq(new Float32Array(BUF_64KB)[1], 1.0);
   156 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f64[(8&0xffff)>>3] = 1.3 } return f'), this, null, BUF_64KB)();
   157 assertEq(new Float64Array(BUF_64KB)[1], 1.3);
   159 new Float32Array(BUF_64KB)[1] = 1.0;
   160 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f32[(4&0xffff)>>2] } return f'), this, null, BUF_64KB)(), 1.0);
   161 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'var toFloat32 = glob.Math.fround; function f() { return toFloat32(f32[(4&0xffff)>>2]) } return f'), this, null, BUF_64KB)(), 1.0);
   162 new Float64Array(BUF_64KB)[1] = 1.3;
   163 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f64[(8&0xffff)>>3] } return f'), this, null, BUF_64KB)(), 1.3);
   165 asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; u8[255]; u8[i] } return f');
   166 asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; u8[i&0xff]; u8[255] } return f');
   167 asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; u32[63]; u32[i>>2] } return f');
   168 asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; u32[i>>2]; u32[63] } return f');
   170 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; u32[64] } return f');
   171 asmLink(code, this, null, new ArrayBuffer(4096));
   173 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; u32[12] = i } return f'), this, null, BUF_64KB)(11);
   174 assertEq(new Int32Array(BUF_64KB)[12], 11);
   175 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[12]|0 } return f'), this, null, BUF_64KB)(), 11);
   176 new Float64Array(BUF_64KB)[0] = 3.5;
   177 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +-f64[0] } return f'), this, null, BUF_64KB)(), -3.5);
   179 // Test constant loads.
   180 var buf = new ArrayBuffer(8192);
   181 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u8[1] = -1 } return f'), this, null, buf)();
   182 assertEq(new Uint8Array(buf)[0], 0);
   183 assertEq(new Uint8Array(buf)[1], 255);
   184 assertEq(new Uint8Array(buf)[2], 0);
   185 var buf = new ArrayBuffer(8192);
   186 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u8[4095] = -1 } return f'), this, null, buf)();
   187 assertEq(new Uint8Array(buf)[4094], 0);
   188 assertEq(new Uint8Array(buf)[4095], 255);
   189 assertEq(new Uint8Array(buf)[4096], 0);
   190 var buf = new ArrayBuffer(8192);
   191 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u8[4096] = -1 } return f'), this, null, buf)();
   192 assertEq(new Uint8Array(buf)[4095], 0);
   193 assertEq(new Uint8Array(buf)[4096], 255);
   194 assertEq(new Uint8Array(buf)[4097], 0);
   195 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u8[8192] = -1 } return f'), this, null, buf);
   196 var buf = new ArrayBuffer(262144);
   197 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u8[258048] = -1 } return f'), this, null, buf)();
   198 assertEq(new Uint8Array(buf)[258047], 0);
   199 assertEq(new Uint8Array(buf)[258048], 255);
   200 assertEq(new Uint8Array(buf)[258049], 0);
   202 var buf = new ArrayBuffer(8192);
   203 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i8[1] = -1 } return f'), this, null, buf)();
   204 assertEq(new Int8Array(buf)[0], 0);
   205 assertEq(new Int8Array(buf)[1], -1);
   206 assertEq(new Int8Array(buf)[2], 0);
   207 var buf = new ArrayBuffer(8192);
   208 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i8[4095] = -1 } return f'), this, null, buf)();
   209 assertEq(new Int8Array(buf)[4094], 0);
   210 assertEq(new Int8Array(buf)[4095], -1);
   211 assertEq(new Int8Array(buf)[4096], 0);
   212 var buf = new ArrayBuffer(8192);
   213 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i8[4096] = -1 } return f'), this, null, buf)();
   214 assertEq(new Int8Array(buf)[4095], 0);
   215 assertEq(new Int8Array(buf)[4096], -1);
   216 assertEq(new Int8Array(buf)[4097], 0);
   217 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i8[8192] = -1 } return f'), this, null, buf);
   218 var buf = new ArrayBuffer(262144);
   219 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i8[258048] = -1 } return f'), this, null, buf)();
   220 assertEq(new Int8Array(buf)[258047], 0);
   221 assertEq(new Int8Array(buf)[258048], -1);
   222 assertEq(new Int8Array(buf)[258049], 0);
   224 var buf = new ArrayBuffer(8192);
   225 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u16[1] = -1 } return f'), this, null, buf)();
   226 assertEq(new Uint16Array(buf)[0], 0);
   227 assertEq(new Uint16Array(buf)[1], 65535);
   228 assertEq(new Uint16Array(buf)[2], 0);
   229 var buf = new ArrayBuffer(8192);
   230 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u16[2047] = -1 } return f'), this, null, buf)();
   231 assertEq(new Uint16Array(buf)[2046], 0);
   232 assertEq(new Uint16Array(buf)[2047], 65535);
   233 assertEq(new Uint16Array(buf)[2048], 0);
   234 var buf = new ArrayBuffer(8192);
   235 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u16[2048] = -1 } return f'), this, null, buf)();
   236 assertEq(new Uint16Array(buf)[2047], 0);
   237 assertEq(new Uint16Array(buf)[2048], 65535);
   238 assertEq(new Uint16Array(buf)[2049], 0);
   239 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u16[4096] = -1 } return f'), this, null, buf);
   240 var buf = new ArrayBuffer(262144);
   241 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u16[126976] = -1 } return f'), this, null, buf)();
   242 assertEq(new Uint16Array(buf)[126975], 0);
   243 assertEq(new Uint16Array(buf)[126976], 65535);
   244 assertEq(new Uint16Array(buf)[126977], 0);
   246 var buf = new ArrayBuffer(8192);
   247 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i16[1] = -1 } return f'), this, null, buf)();
   248 assertEq(new Int16Array(buf)[0], 0);
   249 assertEq(new Int16Array(buf)[1], -1);
   250 assertEq(new Int16Array(buf)[2], 0);
   251 var buf = new ArrayBuffer(8192);
   252 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i16[2047] = -1 } return f'), this, null, buf)();
   253 assertEq(new Int16Array(buf)[2046], 0);
   254 assertEq(new Int16Array(buf)[2047], -1);
   255 assertEq(new Int16Array(buf)[2048], 0);
   256 var buf = new ArrayBuffer(8192);
   257 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i16[2048] = -1 } return f'), this, null, buf)();
   258 assertEq(new Int16Array(buf)[2047], 0);
   259 assertEq(new Int16Array(buf)[2048], -1);
   260 assertEq(new Int16Array(buf)[2049], 0);
   261 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i16[4096] = -1 } return f'), this, null, buf);
   262 var buf = new ArrayBuffer(262144);
   263 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i16[126976] = -1 } return f'), this, null, buf)();
   264 assertEq(new Int16Array(buf)[126975], 0);
   265 assertEq(new Int16Array(buf)[126976], -1);
   266 assertEq(new Int16Array(buf)[126977], 0);
   268 var buf = new ArrayBuffer(8192);
   269 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u32[1] = -1 } return f'), this, null, buf)();
   270 assertEq(new Uint32Array(buf)[0], 0);
   271 assertEq(new Uint32Array(buf)[1], 4294967295);
   272 assertEq(new Uint32Array(buf)[2], 0);
   273 var buf = new ArrayBuffer(8192);
   274 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u32[1023] = -1 } return f'), this, null, buf)();
   275 assertEq(new Uint32Array(buf)[1022], 0);
   276 assertEq(new Uint32Array(buf)[1023], 4294967295);
   277 assertEq(new Uint32Array(buf)[1024], 0);
   278 var buf = new ArrayBuffer(8192);
   279 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u32[1024] = -1 } return f'), this, null, buf)();
   280 assertEq(new Uint32Array(buf)[1023], 0);
   281 assertEq(new Uint32Array(buf)[1024], 4294967295);
   282 assertEq(new Uint32Array(buf)[1025], 0);
   283 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u32[2048] = -1 } return f'), this, null, buf);
   284 var buf = new ArrayBuffer(262144);
   285 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u32[61440] = -1 } return f'), this, null, buf)();
   286 assertEq(new Uint32Array(buf)[61439], 0);
   287 assertEq(new Uint32Array(buf)[61440], 4294967295);
   288 assertEq(new Uint32Array(buf)[61441], 0);
   290 var buf = new ArrayBuffer(8192);
   291 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i32[1] = -1 } return f'), this, null, buf)();
   292 assertEq(new Int32Array(buf)[0], 0);
   293 assertEq(new Int32Array(buf)[1], -1);
   294 assertEq(new Int32Array(buf)[2], 0);
   295 var buf = new ArrayBuffer(8192);
   296 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i32[1023] = -1 } return f'), this, null, buf)();
   297 assertEq(new Int32Array(buf)[1022], 0);
   298 assertEq(new Int32Array(buf)[1023], -1);
   299 assertEq(new Int32Array(buf)[124], 0);
   300 var buf = new ArrayBuffer(8192);
   301 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i32[1024] = -1 } return f'), this, null, buf)();
   302 assertEq(new Int32Array(buf)[1023], 0);
   303 assertEq(new Int32Array(buf)[1024], -1);
   304 assertEq(new Int32Array(buf)[1025], 0);
   305 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i32[2048] = -1 } return f'), this, null, buf);
   306 var buf = new ArrayBuffer(262144);
   307 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i32[61440] = -1 } return f'), this, null, buf)();
   308 assertEq(new Int32Array(buf)[61439], 0);
   309 assertEq(new Int32Array(buf)[61440], -1);
   310 assertEq(new Int32Array(buf)[61441], 0);
   312 var buf = new ArrayBuffer(8192);
   313 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f32[1] = -1.0 } return f'), this, null, buf)();
   314 assertEq(new Int32Array(buf)[0], 0);
   315 assertEq(new Float32Array(buf)[1], -1.0);
   316 assertEq(new Int32Array(buf)[2], 0);
   317 var buf = new ArrayBuffer(8192);
   318 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f32[1023] = -1.0 } return f'), this, null, buf)();
   319 assertEq(new Int32Array(buf)[1022], 0);
   320 assertEq(new Float32Array(buf)[1023], -1.0);
   321 assertEq(new Int32Array(buf)[124], 0);
   322 var buf = new ArrayBuffer(8192);
   323 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f32[1024] = -1.0 } return f'), this, null, buf)();
   324 assertEq(new Int32Array(buf)[1023], 0);
   325 assertEq(new Float32Array(buf)[1024], -1.0);
   326 assertEq(new Int32Array(buf)[1025], 0);
   327 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f32[2048] = -1.0 } return f'), this, null, buf);
   328 var buf = new ArrayBuffer(262144);
   329 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f32[61440] = -1.0 } return f'), this, null, buf)();
   330 assertEq(new Float32Array(buf)[61439], 0.0);
   331 assertEq(new Float32Array(buf)[61440], -1.0);
   332 assertEq(new Float32Array(buf)[61441], 0.0);
   334 var buf = new ArrayBuffer(8192);
   335 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f64[1] = -1.0 } return f'), this, null, buf)();
   336 assertEq(new Float64Array(buf)[0], 0.0);
   337 assertEq(new Float64Array(buf)[1], -1.0);
   338 assertEq(new Float64Array(buf)[2], 0.0);
   339 var buf = new ArrayBuffer(8192);
   340 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f64[511] = -1.0 } return f'), this, null, buf)();
   341 assertEq(new Float64Array(buf)[510], 0.0);
   342 assertEq(new Float64Array(buf)[511], -1.0);
   343 assertEq(new Float64Array(buf)[512], 0.0);
   344 var buf = new ArrayBuffer(8192);
   345 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f64[512] = -1.0 } return f'), this, null, buf)();
   346 assertEq(new Float64Array(buf)[511], 0.0);
   347 assertEq(new Float64Array(buf)[512], -1.0);
   348 assertEq(new Float64Array(buf)[513], 0.0);
   349 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f64[1024] = -1.0 } return f'), this, null, buf);
   350 var buf = new ArrayBuffer(262144);
   351 asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f64[28672] = -1.0 } return f'), this, null, buf)();
   352 assertEq(new Float64Array(buf)[28671], 0.0);
   353 assertEq(new Float64Array(buf)[28672], -1.0);
   354 assertEq(new Float64Array(buf)[28673], 0.0);
   357 var buf = new ArrayBuffer(8192);
   358 new Uint8Array(buf)[1] = -1;
   359 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[1]|0; } return f'), this, null, buf)(),255);
   360 new Int8Array(buf)[1] = -1;
   361 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i8[1]|0; } return f'), this, null, buf)(),-1);
   362 var buf = new ArrayBuffer(262144);
   363 new Uint8Array(buf)[126976] = -1;
   364 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[126976]|0; } return f'), this, null, buf)(),255);
   365 new Int8Array(buf)[126976] = -1;
   366 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i8[126976]|0; } return f'), this, null, buf)(),-1);
   368 var buf = new ArrayBuffer(8192);
   369 new Uint16Array(buf)[1] = -1;
   370 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u16[1]|0; } return f'), this, null, buf)(),65535);
   371 new Int16Array(buf)[1] = -1;
   372 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i16[1]|0; } return f'), this, null, buf)(),-1);
   373 var buf = new ArrayBuffer(262144);
   374 new Uint16Array(buf)[126976] = -1;
   375 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u16[126976]|0; } return f'), this, null, buf)(),65535);
   376 new Int16Array(buf)[126976] = -1;
   377 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i16[126976]|0; } return f'), this, null, buf)(),-1);
   379 var buf = new ArrayBuffer(8192);
   380 new Uint32Array(buf)[1] = -1;
   381 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[1]|0; } return f'), this, null, buf)(),-1);
   382 new Int32Array(buf)[1] = -1;
   383 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i32[1]|0; } return f'), this, null, buf)(),-1);
   384 var buf = new ArrayBuffer(262144);
   385 new Int32Array(buf)[61440] = -1;
   386 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i32[61440]|0; } return f'), this, null, buf)(),-1);
   388 var buf = new ArrayBuffer(8192);
   389 new Float32Array(buf)[1] = -1.0;
   390 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f32[1]; } return f'), this, null, buf)(),-1.0);
   391 new Float32Array(buf)[1023] = -1.0;
   392 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f32[1023]; } return f'), this, null, buf)(),-1.0);
   393 new Float32Array(buf)[1024] = -1.0;
   394 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f32[1024]; } return f'), this, null, buf)(),-1.0);
   395 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f32[2048]; } return f'), this, null, buf);
   396 var buf = new ArrayBuffer(262144);
   397 new Float32Array(buf)[61440] = -1.0;
   398 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f32[61440]; } return f'), this, null, buf)(),-1.0);
   400 var buf = new ArrayBuffer(8192);
   401 new Float64Array(buf)[1] = -1.0;
   402 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f64[1]; } return f'), this, null, buf)(),-1.0);
   403 new Float64Array(buf)[511] = -1.0;
   404 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f64[511]; } return f'), this, null, buf)(),-1.0);
   405 new Float64Array(buf)[512] = -1.0;
   406 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f64[512]; } return f'), this, null, buf)(),-1.0);
   407 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f64[1024]; } return f'), this, null, buf);
   408 var buf = new ArrayBuffer(262144);
   409 new Float64Array(buf)[28672] = -1.0;
   410 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f64[28672]; } return f'), this, null, buf)(),-1.0);
   412 // Test bitwise-and optimizations.
   413 var buf = new ArrayBuffer(8192);
   414 new Uint8Array(buf)[8191] = -1;
   415 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[8191&8191]|0; } return f'), this, null, buf)(),255);
   416 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[(8191&8191)>>0]|0; } return f'), this, null, buf)(),255);
   417 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u8[8192&8191] = -1; u8[0] = 0; return u8[8192&8191]|0; } return f'), this, null, buf)(),0);
   418 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u8[(8192&8191)>>0] = -1; u8[0] = 0; return u8[(8192&8191)>>0]|0; } return f'), this, null, buf)(),0);
   419 new Int8Array(buf)[8191] = -1;
   420 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i8[8191&8191]|0; } return f'), this, null, buf)(),-1);
   421 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i8[(8191&8191)>>0]|0; } return f'), this, null, buf)(),-1);
   422 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i8[8192&8191] = -1; i8[0] = 0; return i8[8192&8191]|0; } return f'), this, null, buf)(),0);
   423 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i8[(8192&8191)>>0] = -1; i8[0] = 0; return i8[(8192&8191)>>0]|0; } return f'), this, null, buf)(),0);
   424 var buf = new ArrayBuffer(8192);
   425 new Uint16Array(buf)[4095] = -1;
   426 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u16[(8190&8191)>>1]|0; } return f'), this, null, buf)(),65535);
   427 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u16[(8191&8191)>>1]|0; } return f'), this, null, buf)(),65535);
   428 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u16[(8192&8191)>>1] = -1; u16[0] = 0; return u16[(8192&8191)>>1]|0; } return f'), this, null, buf)(),0);
   429 new Int16Array(buf)[4095] = -1;
   430 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i16[(8190&8191)>>1]|0; } return f'), this, null, buf)(),-1);
   431 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i16[(8191&8191)>>1]|0; } return f'), this, null, buf)(),-1);
   432 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i16[(8192&8191)>>1] = -1; i16[0] = 0; return i16[(8192&8191)>>1]|0; } return f'), this, null, buf)(),0);
   434 var buf = new ArrayBuffer(8192);
   435 new Uint32Array(buf)[2047] = -1;
   436 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[(8188&8191)>>2]|0; } return f'), this, null, buf)(),-1);
   437 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[(8191&8191)>>2]|0; } return f'), this, null, buf)(),-1);
   438 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { u32[(8192&8191)>>2] = -1; u32[0] = 0; return u32[(8192&8191)>>2]|0; } return f'), this, null, buf)(),0);
   439 new Int32Array(buf)[2047] = -1;
   440 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i32[(8188&8191)>>2]|0; } return f'), this, null, buf)(),-1);
   441 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i32[(8191&8191)>>2]|0; } return f'), this, null, buf)(),-1);
   442 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { i32[(8192&8191)>>2] = -1; i32[0] = 0; return i32[(8192&8191)>>2]|0; } return f'), this, null, buf)(),0);
   444 var buf = new ArrayBuffer(8192);
   445 new Float32Array(buf)[2047] = -1.0;
   446 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f32[(8188&8191)>>2]; } return f'), this, null, buf)(),-1.0);
   447 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f32[(8191&8191)>>2]; } return f'), this, null, buf)(),-1.0);
   448 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f32[(8192&8191)>>2] = -1.0; f32[0] = 0.0; return +f32[(8192&8191)>>2]; } return f'), this, null, buf)(),0.0);
   450 var buf = new ArrayBuffer(8192);
   451 new Float64Array(buf)[1023] = -1.0;
   452 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f64[(8184&8191)>>3]; } return f'), this, null, buf)(),-1.0);
   453 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f64[(8191&8191)>>3]; } return f'), this, null, buf)(),-1.0);
   454 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { f64[(8192&8191)>>3] = -1.0; f64[0] = 0.0; return +f64[(8192&8191)>>3]; } return f'), this, null, buf)(),0.0);
   456 // Bug 913867
   457 var buf = new ArrayBuffer(8192);
   458 new Int32Array(buf)[0] = 0x55aa5a5a;
   459 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i32[(0&0)>>2]|0; } return f'), this, null, buf)(),0x55aa5a5a);
   460 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return i32[(4&0)>>2]|0; } return f'), this, null, buf)(),0x55aa5a5a);
   461 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f1() { i32[0] = 1; return 8; }; function f() { return i32[((f1()|0)&0)>>2]|0; } return f'), this, null, buf)(),1);
   462 assertEq(new Int32Array(buf)[0], 1);
   465 // Bug 882012
   466 assertEq(asmLink(asmCompile('stdlib', 'foreign', 'heap', USE_ASM + "var id=foreign.id;var doubles=new stdlib.Float64Array(heap);function g(){doubles[0]=+id(2.0);return +doubles[0];}return g"), this, {id: function(x){return x;}}, BUF_64KB)(), 2.0);
   469 // Some literal constant paths.
   471 var buf = new ArrayBuffer(8192);
   472 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[0>>4294967295]|0; } return f');
   473 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[0>>-1]|0; } return f');
   474 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[0>>0x80000000]|0; } return f');
   475 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[0>>-2147483648]|0; } return f');
   477 new Uint32Array(buf)[0] = 0xAA;
   478 new Uint32Array(buf)[0x5A>>2] = 0xA5;
   479 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[(0x5A&4294967295)>>2]|0; } return f'), this, null, buf)(),0xA5);
   480 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=4294967295; function f() { return u32[(0x5A&i)>>2]|0; } return f'), this, null, buf)(),0xA5);
   481 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[(0x5A&-1)>>2]|0; } return f'), this, null, buf)(),0xA5);
   482 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-1; function f() { return u32[(0x5A&i)>>2]|0; } return f'), this, null, buf)(),0xA5);
   483 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[(0x5A&0x80000000)>>2]|0; } return f'), this, null, buf)(),0xAA);
   484 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=0x80000000; function f() { return u32[(0x5A&i)>>2]|0; } return f'), this, null, buf)(),0xAA);
   485 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[(0x5A&-2147483648)>>2]|0; } return f'), this, null, buf)(),0xAA);
   486 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-2147483648; function f() { return u32[(0x5A&i)>>2]|0; } return f'), this, null, buf)(),0xAA);
   488 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[(4294967295&0x5A)>>2]|0; } return f'), this, null, buf)(),0xA5);
   489 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=4294967295; function f() { return u32[(i&0x5A)>>2]|0; } return f'), this, null, buf)(),0xA5);
   490 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[(-1&0x5A)>>2]|0; } return f'), this, null, buf)(),0xA5);
   491 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-1; function f() { return u32[(i&0x5A)>>2]|0; } return f'), this, null, buf)(),0xA5);
   492 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[(0x80000000&0x5A)>>2]|0; } return f'), this, null, buf)(),0xAA);
   493 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=0x80000000; function f() { return u32[(i&0x5A)>>2]|0; } return f'), this, null, buf)(),0xAA);
   494 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[(-2147483648&0x5A)>>2]|0; } return f'), this, null, buf)(),0xAA);
   495 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-2147483648; function f() { return u32[(-2147483648&0x5A)>>2]|0; } return f'), this, null, buf)(),0xAA);
   497 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[4294967295>>2]|0; } return f'), this, null, buf)(),0);
   498 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=4294967295; function f() { return u32[i>>2]|0; } return f'), this, null, buf)(),0);
   499 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[-1>>2]|0; } return f'), this, null, buf)(),0);
   500 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-1; function f() { return u32[i>>2]|0; } return f'), this, null, buf)(),0);
   501 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[0x80000000>>2]|0; } return f'), this, null, buf)(),0);
   502 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=0x80000000; function f() { return u32[i>>2]|0; } return f'), this, null, buf)(),0);
   503 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u32[-2147483648>>2]|0; } return f'), this, null, buf)(),0);
   504 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-2147483648; function f() { return u32[-2147483648>>2]|0; } return f'), this, null, buf)(),0);
   506 var buf = new ArrayBuffer(8192);
   507 new Uint8Array(buf)[0] = 0xAA;
   508 new Uint8Array(buf)[0x5A] = 0xA5;
   509 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[0x5A&4294967295]|0; } return f'), this, null, buf)(),0xA5);
   510 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=4294967295; function f() { return u8[0x5A&i]|0; } return f'), this, null, buf)(),0xA5);
   511 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[0x5A&-1]|0; } return f'), this, null, buf)(),0xA5);
   512 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-1; function f() { return u8[0x5A&i]|0; } return f'), this, null, buf)(),0xA5);
   513 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[0x5A&0x80000000]|0; } return f'), this, null, buf)(),0xAA);
   514 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=0x80000000; function f() { return u8[0x5A&i]|0; } return f'), this, null, buf)(),0xAA);
   515 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[0x5A&-2147483648]|0; } return f'), this, null, buf)(),0xAA);
   516 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-2147483648; function f() { return u8[0x5A&i]|0; } return f'), this, null, buf)(),0xAA);
   518 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[4294967295&0x5A]|0; } return f'), this, null, buf)(),0xA5);
   519 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=4294967295; function f() { return u8[i&0x5A]|0; } return f'), this, null, buf)(),0xA5);
   520 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[-1&0x5A]|0; } return f'), this, null, buf)(),0xA5);
   521 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-1; function f() { return u8[i&0x5A]|0; } return f'), this, null, buf)(),0xA5);
   522 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[0x80000000&0x5A]|0; } return f'), this, null, buf)(),0xAA);
   523 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=0x80000000; function f() { return u8[i&0x5A]|0; } return f'), this, null, buf)(),0xAA);
   524 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[-2147483648&0x5A]|0; } return f'), this, null, buf)(),0xAA);
   525 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-2147483648; function f() { return u8[i&0x5A]|0; } return f'), this, null, buf)(),0xAA);
   527 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[4294967295]|0; } return f');
   528 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=4294967295; function f() { return u8[i]|0; } return f');
   529 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[-1]|0; } return f');
   530 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-1; function f() { return u8[i]|0; } return f');
   531 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[0x80000000]|0; } return f');
   532 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=0x80000000; function f() { return u8[i]|0; } return f');
   533 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[-2147483648]|0; } return f');
   534 assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-2147483648; function f() { return u8[i]|0; } return f');
   536 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[4294967295>>0]|0; } return f'), this, null, buf)(),0);
   537 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=4294967295; function f() { return u8[i>>0]|0; } return f'), this, null, buf)(),0);
   538 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[-1>>0]|0; } return f'), this, null, buf)(),0);
   539 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-1; function f() { return u8[i>>0]|0; } return f'), this, null, buf)(),0);
   540 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[0x80000000>>0]|0; } return f'), this, null, buf)(),0);
   541 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=0x80000000; function f() { return u8[i>>0]|0; } return f'), this, null, buf)(),0);
   542 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[-2147483648>>0]|0; } return f'), this, null, buf)(),0);
   543 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'const i=-2147483648; function f() { return u8[i>>0]|0; } return f'), this, null, buf)(),0);
   545 // GVN checks
   546 var buf = new ArrayBuffer(8192);
   547 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'var i=0; function f() { var x = 0, y = 0; u8[0] = 1; u8[1] = 2; x = 0|u8[i]; i = x; y = 0|u8[i]; return y|0;} return f'), this, null, buf)(),2);
   548 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'var i=0; function f() { var x = 0, y = 0; u8[0] = 1; u8[1] = 2; x = 0|u8[i]; y = 0|u8[i]; return (x+y)|0;} return f'), this, null, buf)(),2);
   550 // Heap length constraints
   551 var buf = new ArrayBuffer(0x0fff);
   552 assertAsmLinkAlwaysFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   553 var buf = new ArrayBuffer(0x1000);
   554 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   555 var buf = new ArrayBuffer(0x1010);
   556 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   557 var buf = new ArrayBuffer(0x2000);
   558 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   559 var buf = new ArrayBuffer(0xfe000);
   560 new Uint8Array(buf)[0xfdfff] = 0xAA;
   561 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   562 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0xfdfff),0xAA);
   563 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0xfe000),0);
   564 var buf = new ArrayBuffer(0xfe010);
   565 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   566 var buf = new ArrayBuffer(0xff000);
   567 new Uint8Array(buf)[0xfefff] = 0xAA;
   568 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   569 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0xfefff),0xAA);
   570 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0xff000),0);
   571 var buf = new ArrayBuffer(0xff800);
   572 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   573 var buf = new ArrayBuffer(0x100000);
   574 new Uint8Array(buf)[0xfffff] = 0xAA;
   575 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   576 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0xfffff),0xAA);
   577 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x100000),0);
   578 var buf = new ArrayBuffer(0x104000);
   579 new Uint8Array(buf)[0x103fff] = 0xAA;
   580 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[0x103fff]|0; } return f'), this, null, buf)(),0xAA);
   581 var buf = new ArrayBuffer(0x3f8000);
   582 new Uint8Array(buf)[0x3f7fff] = 0xAA;
   583 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   584 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x3f7fff),0xAA);
   585 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x3f8000),0);
   586 var buf = new ArrayBuffer(0x3fc000); // 4080K
   587 new Uint8Array(buf)[0x3fbfff] = 0xAA;
   588 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   589 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x3fbfff),0xAA);
   590 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x3fc000),0);
   591 var buf = new ArrayBuffer(0x3fe000);
   592 assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   593 var buf = new ArrayBuffer(0x410000);
   594 new Uint8Array(buf)[0x40ffff] = 0xAA;
   595 assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[0x40ffff]|0; } return f'), this, null, buf)(),0xAA);
   596 // The rest are getting too large for regular testing.
   597 //var buf = new ArrayBuffer(0xfe8000);
   598 //assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   599 //var buf = new ArrayBuffer(0xff0000); // 16302K
   600 //new Uint8Array(buf)[0xfeffff] = 0xAA;
   601 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   602 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0xfeffff),0xAA);
   603 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0xff0000),0);
   604 //var buf = new ArrayBuffer(0xff8000);
   605 //assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   606 //var buf = new ArrayBuffer(0x3fb0000);
   607 //assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   608 //var buf = new ArrayBuffer(0x3fc0000); // 65280K
   609 //new Uint8Array(buf)[0x3fbffff] = 0xAA;
   610 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   611 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x3fbffff),0xAA);
   612 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x3fc0000),0);
   613 //var buf = new ArrayBuffer(0x3fe0000);
   614 //assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   615 //var buf = new ArrayBuffer(0xfe80000);
   616 //assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   617 //var buf = new ArrayBuffer(0xff00000); // 255M
   618 //new Uint8Array(buf)[0xfeffff] = 0xAA;
   619 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   620 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0xfeffff),0xAA);
   621 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0xff00000),0);
   622 //var buf = new ArrayBuffer(0xff80000);
   623 //assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   624 //var buf = new ArrayBuffer(0x10400000);
   625 //new Uint8Array(buf)[0x103fffff] = 0xAA;
   626 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return u8[0x103fffff]|0; } return f'), this, null, buf)(),0xAA);
   627 //var buf = new ArrayBuffer(0x3fa00000);
   628 //assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   629 //var buf = new ArrayBuffer(0x3fc00000); // 1020M
   630 //new Uint8Array(buf)[0x3fbfffff] = 0xAA;
   631 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   632 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x3fbfffff),0xAA);
   633 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x3fc00000),0);
   634 //var buf = new ArrayBuffer(0x3fe00000);
   635 //assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf);
   636 //var buf = new ArrayBuffer(0x40000000); // 1024M
   637 //new Uint8Array(buf)[0x3fffffff] = 0xAA;
   638 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   639 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x3fffffff),0xAA);
   640 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x40000000),0);
   641 //var buf = new ArrayBuffer(0x4f000000); // 1264M - currently the largest possible heap length.
   642 //new Uint8Array(buf)[0x4effffff] = 0xAA;
   643 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0),0);
   644 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x4effffff),0xAA);
   645 //assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) { i=i|0; return u8[i]|0; } return f'), this, null, buf)(0x4f000000),0);

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