1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
load(libdir + "asm.js");
load(libdir + "asserts.js");
// Run test only for asm.js
if (!isAsmJSCompilationAvailable())
quit();
// Single-step profiling currently only works in the ARM simulator
if (!getBuildConfiguration()["arm-simulator"])
quit();
function checkSubSequence(got, expect)
{
var got_i = 0;
EXP: for (var exp_i = 0; exp_i < expect.length; exp_i++) {
var item = expect[exp_i];
// Scan for next match in got.
while (got_i < got.length) {
if (got[got_i++] == expect[exp_i])
continue EXP;
}
print("MISMATCH: " + got.join(",") + "\n" +
" VS " + expect.join(","));
return false;
}
return true;
}
function assertStackContainsSeq(got, expect)
{
var normalized = [];
for (var i = 0; i < got.length; i++) {
if (got[i].length == 0)
continue;
var parts = got[i].split(',');
for (var j = 0; j < parts.length; j++) {
var frame = parts[j];
frame = frame.replace(/ \([^\)]*\)/g, "");
frame = frame.replace(/(fast|slow) FFI trampoline/g, "<");
frame = frame.replace(/entry trampoline/g, ">");
frame = frame.replace(/(\/[^\/,<]+)*\/testProfiling.js/g, "");
frame = frame.replace(/testBuiltinD2D/g, "");
frame = frame.replace(/testBuiltinF2F/g, "");
frame = frame.replace(/testBuiltinDD2D/g, "");
frame = frame.replace(/assertThrowsInstanceOf/g, "");
frame = frame.replace(/^ffi[12]?/g, "");
normalized.push(frame);
}
}
var gotNorm = normalized.join(',').replace(/,+/g, ",");
gotNorm = gotNorm.replace(/^,/, "").replace(/,$/, "");
assertEq(checkSubSequence(gotNorm.split(','), expect.split(',')), true);
}
// Test profiling enablement while asm.js is running.
var stacks;
var ffi = function(enable) {
if (enable == +1)
enableSPSProfiling();
enableSingleStepProfiling();
stacks = disableSingleStepProfiling();
if (enable == -1)
disableSPSProfiling();
}
var f = asmLink(asmCompile('global','ffis',USE_ASM + "var ffi=ffis.ffi; function g(i) { i=i|0; ffi(i|0) } function f(i) { i=i|0; g(i|0) } return f"), null, {ffi});
f(0);
assertStackContainsSeq(stacks, "");
f(+1);
assertStackContainsSeq(stacks, "");
f(0);
assertStackContainsSeq(stacks, "<,g,f,>");
f(-1);
assertStackContainsSeq(stacks, "<,g,f,>");
f(0);
assertStackContainsSeq(stacks, "");
// Enable profiling for the rest of the tests.
enableSPSProfiling();
var f = asmLink(asmCompile(USE_ASM + "function f() { return 42 } return f"));
enableSingleStepProfiling();
assertEq(f(), 42);
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f,>,>");
var m = asmCompile(USE_ASM + "function g(i) { i=i|0; return (i+1)|0 } function f() { return g(42)|0 } return f");
for (var i = 0; i < 3; i++) {
var f = asmLink(m);
enableSingleStepProfiling();
assertEq(f(), 43);
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f,>,g,f,>,f,>,>");
}
var m = asmCompile(USE_ASM + "function g1() { return 1 } function g2() { return 2 } function f(i) { i=i|0; return TBL[i&1]()|0 } var TBL=[g1,g2]; return f");
for (var i = 0; i < 3; i++) {
var f = asmLink(m);
enableSingleStepProfiling();
assertEq(f(0), 1);
assertEq(f(1), 2);
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f,>,g1,f,>,f,>,>,>,f,>,g2,f,>,f,>,>");
}
function testBuiltinD2D(name) {
var m = asmCompile('g', USE_ASM + "var fun=g.Math." + name + "; function f(d) { d=+d; return +fun(d) } return f");
for (var i = 0; i < 3; i++) {
var f = asmLink(m, this);
enableSingleStepProfiling();
assertEq(f(.1), eval("Math." + name + "(.1)"));
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f,>,native call,>,f,>,>");
}
}
for (name of ['sin', 'cos', 'tan', 'asin', 'acos', 'atan', 'ceil', 'floor', 'exp', 'log'])
testBuiltinD2D(name);
function testBuiltinF2F(name) {
var m = asmCompile('g', USE_ASM + "var tof=g.Math.fround; var fun=g.Math." + name + "; function f(d) { d=tof(d); return tof(fun(d)) } return f");
for (var i = 0; i < 3; i++) {
var f = asmLink(m, this);
enableSingleStepProfiling();
assertEq(f(.1), eval("Math.fround(Math." + name + "(Math.fround(.1)))"));
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f,>,native call,>,f,>,>");
}
}
for (name of ['ceil', 'floor'])
testBuiltinF2F(name);
function testBuiltinDD2D(name) {
var m = asmCompile('g', USE_ASM + "var fun=g.Math." + name + "; function f(d, e) { d=+d; e=+e; return +fun(d,e) } return f");
for (var i = 0; i < 3; i++) {
var f = asmLink(m, this);
enableSingleStepProfiling();
assertEq(f(.1, .2), eval("Math." + name + "(.1, .2)"));
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f,>,native call,>,f,>,>");
}
}
for (name of ['atan2', 'pow'])
testBuiltinDD2D(name);
// FFI tests:
setJitCompilerOption("ion.warmup.trigger", 10);
setJitCompilerOption("baseline.warmup.trigger", 0);
setJitCompilerOption("offthread-compilation.enable", 0);
var m = asmCompile('g','ffis', USE_ASM + "var ffi1=ffis.ffi1, ffi2=ffis.ffi2; function f() { return ((ffi1()|0) + (ffi2()|0))|0 } return f");
var ffi1 = function() { return 10 }
var ffi2 = function() { return 73 }
var f = asmLink(m, null, {ffi1,ffi2});
// Interp FFI exit
enableSingleStepProfiling();
assertEq(f(), 83);
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f,>,<,f,>,f,>,<,f,>,f,>,>");
// Ion FFI exit
for (var i = 0; i < 20; i++)
assertEq(f(), 83);
enableSingleStepProfiling();
assertEq(f(), 83);
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f,>,<,f,>,f,>,<,f,>,f,>,>");
var ffi1 = function() { return { valueOf() { return 20 } } }
var ffi2 = function() { return { valueOf() { return 74 } } }
var f = asmLink(m, null, {ffi1,ffi2});
// Interp FFI exit
enableSingleStepProfiling();
assertEq(f(), 94);
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f,>,<,f,>,f,>,<,f,>,f,>,>"); // TODO: add 'valueOf' once interp shows up
// Ion FFI exit
for (var i = 0; i < 20; i++)
assertEq(f(), 94);
enableSingleStepProfiling();
assertEq(f(), 94);
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f,>,<,f,>,f,>,<,f,>,f,>,>"); // TODO: add 'valueOf' once interp shows up
var ffi1 = function() { return 15 }
var ffi2 = function() { return f2() + 17 }
var {f1,f2} = asmLink(asmCompile('g','ffis', USE_ASM + "var ffi1=ffis.ffi1, ffi2=ffis.ffi2; function f2() { return ffi1()|0 } function f1() { return ffi2()|0 } return {f1:f1, f2:f2}"), null, {ffi1, ffi2});
// Interpreter FFI exit
enableSingleStepProfiling();
assertEq(f1(), 32);
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f1,>,<,f1,>,>,<,f1,>,f2,>,<,f1,>,<,f2,>,<,f1,>,f2,>,<,f1,>,>,<,f1,>,<,f1,>,f1,>,>");
// Ion FFI exit
for (var i = 0; i < 20; i++)
assertEq(f1(), 32);
enableSingleStepProfiling();
assertEq(f1(), 32);
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,f1,>,<,f1,>,>,<,f1,>,f2,>,<,f1,>,<,f2,>,<,f1,>,f2,>,<,f1,>,>,<,f1,>,<,f1,>,f1,>,>");
if (isSimdAvailable() && typeof SIMD !== 'undefined') {
// SIMD out-of-bounds exit
var buf = new ArrayBuffer(0x10000);
var f = asmLink(asmCompile('g','ffi','buf', USE_ASM + 'var f4=g.SIMD.float32x4; var f4l=f4.load; var u8=new g.Uint8Array(buf); function f(i) { i=i|0; return f4l(u8, 0xFFFF + i | 0); } return f'), this, {}, buf);
enableSingleStepProfiling();
assertThrowsInstanceOf(() => f(4), RangeError);
var stacks = disableSingleStepProfiling();
// TODO check that expected is actually the correctly expected string, when
// SIMD is implemented on ARM.
assertStackContainsSeq(stacks, ">,f,>,inline stub,f,>");
}
// Thunks
setJitCompilerOption("jump-threshold", 0);
var h = asmLink(asmCompile(USE_ASM + 'function f() {} function g() { f() } function h() { g() } return h'));
enableSingleStepProfiling();
h();
var stacks = disableSingleStepProfiling();
assertStackContainsSeq(stacks, ">,h,>,g,h,>,f,g,h,>,g,h,>,h,>,>");
setJitCompilerOption("jump-threshold", -1);
// This takes forever to run.
// Stack-overflow exit test
//var limit = -1;
//var maxct = 0;
//function ffi(ct) { if (ct == limit) { enableSingleStepProfiling(); print("enabled"); } maxct = ct; }
//var f = asmLink(asmCompile('g', 'ffis',USE_ASM + "var ffi=ffis.ffi; var ct=0; function rec(){ ct=(ct+1)|0; ffi(ct|0); rec() } function f() { ct=0; rec() } return f"), null, {ffi});
//// First find the stack limit:
//var caught = false;
//try { f() } catch (e) { caught = true; assertEq(String(e).indexOf("too much recursion") >= 0, true) }
//assertEq(caught, true);
//limit = maxct;
//print("Setting limit");
//var caught = false;
//try { f() } catch (e) { caught = true; print("caught"); assertEq(String(e).indexOf("too much recursion") >= 0, true) }
//var stacks = disableSingleStepProfiling();
//assertEq(String(stacks).indexOf("rec") >= 0, true);
|