mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-26 21:42:11 +00:00
610 lines
No EOL
14 KiB
C#
610 lines
No EOL
14 KiB
C#
using System;
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Collections;
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/*
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* Regression tests for the GC support in the JIT
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*/
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public partial class Tests
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{
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public static int test_36_simple()
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{
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// Overflow the registers
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object o1 = (1);
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object o2 = (2);
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object o3 = (3);
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object o4 = (4);
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object o5 = (5);
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object o6 = (6);
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object o7 = (7);
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object o8 = (8);
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/* Prevent the variables from being local to a bb */
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bool b = o1 != null;
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GC.Collect(0);
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if (b)
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return (int)o1 + (int)o2 + (int)o3 + (int)o4 + (int)o5 + (int)o6 + (int)o7 + (int)o8;
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else
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return 0;
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}
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public static int test_36_liveness()
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{
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object o = 5;
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object o1, o2, o3, o4, o5, o6, o7, o8;
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bool b = o != null;
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GC.Collect(1);
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o1 = (1);
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o2 = (2);
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o3 = (3);
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o4 = (4);
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o5 = (5);
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o6 = (6);
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o7 = (7);
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o8 = (8);
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if (b)
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return (int)o1 + (int)o2 + (int)o3 + (int)o4 + (int)o5 + (int)o6 + (int)o7 + (int)o8;
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else
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return 0;
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}
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struct GcFooStruct
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{
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public object o1;
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public int i;
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public object o2;
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public GcFooStruct(int i1, int i, int i2)
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{
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this.o1 = i1;
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this.i = i;
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this.o2 = i2;
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}
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}
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public static int test_4_vtype()
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{
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GcFooStruct s = new GcFooStruct(1, 2, 3);
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GC.Collect(1);
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return (int)s.o1 + (int)s.o2;
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}
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class BigClass
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{
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public object o1, o2, o3, o4, o5, o6, o7, o8, o9, o10;
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public object o11, o12, o13, o14, o15, o16, o17, o18, o19, o20;
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public object o21, o22, o23, o24, o25, o26, o27, o28, o29, o30;
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public object o31, o32;
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}
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static void set_fields(BigClass b)
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{
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b.o31 = 31;
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b.o32 = 32;
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b.o1 = 1;
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b.o2 = 2;
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b.o3 = 3;
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b.o4 = 4;
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b.o5 = 5;
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b.o6 = 6;
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b.o7 = 7;
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b.o8 = 8;
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b.o9 = 9;
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b.o10 = 10;
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b.o11 = 11;
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b.o12 = 12;
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b.o13 = 13;
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b.o14 = 14;
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b.o15 = 15;
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b.o16 = 16;
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b.o17 = 17;
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b.o18 = 18;
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b.o19 = 19;
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b.o20 = 20;
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b.o21 = 21;
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b.o22 = 22;
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b.o23 = 23;
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b.o24 = 24;
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b.o25 = 25;
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b.o26 = 26;
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b.o27 = 27;
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b.o28 = 28;
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b.o29 = 29;
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b.o30 = 30;
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}
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// Test marking of objects with > 32 fields
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public static int test_528_mark_runlength_large()
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{
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BigClass b = new BigClass();
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/*
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* Do the initialization in a separate method so no object refs remain in
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* spill slots.
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*/
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set_fields(b);
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GC.Collect(1);
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return
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(int)b.o1 + (int)b.o2 + (int)b.o3 + (int)b.o4 + (int)b.o5 +
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(int)b.o6 + (int)b.o7 + (int)b.o8 + (int)b.o9 + (int)b.o10 +
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(int)b.o11 + (int)b.o12 + (int)b.o13 + (int)b.o14 + (int)b.o15 +
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(int)b.o16 + (int)b.o17 + (int)b.o18 + (int)b.o19 + (int)b.o20 +
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(int)b.o21 + (int)b.o22 + (int)b.o23 + (int)b.o24 + (int)b.o25 +
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(int)b.o26 + (int)b.o27 + (int)b.o28 + (int)b.o29 + (int)b.o30 +
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(int)b.o31 + (int)b.o32;
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}
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/*
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* Test liveness and loops.
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*/
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public static int test_0_liveness_2()
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{
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object o = new object();
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for (int n = 0; n < 10; ++n)
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{
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/* Exhaust all registers so 'o' is stack allocated */
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int sum = 0, i, j, k, l, m;
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for (i = 0; i < 100; ++i)
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sum++;
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for (j = 0; j < 100; ++j)
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sum++;
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for (k = 0; k < 100; ++k)
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sum++;
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for (l = 0; l < 100; ++l)
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sum++;
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for (m = 0; m < 100; ++m)
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sum++;
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if (o != null)
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o.ToString();
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GC.Collect(1);
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if (o != null)
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o.ToString();
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sum += i + j + k;
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GC.Collect(1);
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}
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return 0;
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}
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/*
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* Test liveness and stack slot sharing
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* This doesn't work yet, its hard to make the JIT share the stack slots of the
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* two 'o' variables.
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*/
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public static int test_0_liveness_3()
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{
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bool b = false;
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bool b2 = true;
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/* Exhaust all registers so 'o' is stack allocated */
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int sum = 0, i, j, k, l, m, n, s;
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for (i = 0; i < 100; ++i)
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sum++;
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for (j = 0; j < 100; ++j)
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sum++;
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for (k = 0; k < 100; ++k)
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sum++;
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for (l = 0; l < 100; ++l)
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sum++;
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for (m = 0; m < 100; ++m)
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sum++;
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for (n = 0; n < 100; ++n)
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sum++;
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for (s = 0; s < 100; ++s)
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sum++;
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if (b)
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{
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object o = new object();
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/* Make sure o is global */
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if (b2)
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Console.WriteLine();
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o.ToString();
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}
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GC.Collect(1);
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if (b)
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{
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object o = new object();
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/* Make sure o is global */
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if (b2)
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Console.WriteLine();
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o.ToString();
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}
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sum += i + j + k + l + m + n + s;
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return 0;
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}
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/*
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* Test liveness of variables used to handle items on the IL stack.
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*/
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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static string call1()
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{
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return "A";
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}
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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static string call2()
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{
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GC.Collect(1);
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return "A";
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}
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public static int test_0_liveness_4()
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{
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bool b = false;
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bool b2 = true;
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/* Exhaust all registers so 'o' is stack allocated */
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int sum = 0, i, j, k, l, m, n, s;
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for (i = 0; i < 100; ++i)
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sum++;
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for (j = 0; j < 100; ++j)
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sum++;
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for (k = 0; k < 100; ++k)
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sum++;
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for (l = 0; l < 100; ++l)
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sum++;
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for (m = 0; m < 100; ++m)
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sum++;
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for (n = 0; n < 100; ++n)
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sum++;
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for (s = 0; s < 100; ++s)
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sum++;
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string o = b ? call1() : call2();
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GC.Collect(1);
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sum += i + j + k + l + m + n + s;
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return 0;
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}
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/*
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* Test liveness of volatile variables
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*/
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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static void liveness_5_1(out object o)
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{
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o = new object();
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}
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public static int test_0_liveness_5()
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{
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bool b = false;
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bool b2 = true;
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/* Exhaust all registers so 'o' is stack allocated */
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int sum = 0, i, j, k, l, m, n, s;
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for (i = 0; i < 100; ++i)
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sum++;
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for (j = 0; j < 100; ++j)
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sum++;
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for (k = 0; k < 100; ++k)
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sum++;
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for (l = 0; l < 100; ++l)
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sum++;
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for (m = 0; m < 100; ++m)
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sum++;
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for (n = 0; n < 100; ++n)
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sum++;
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for (s = 0; s < 100; ++s)
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sum++;
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object o;
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liveness_5_1(out o);
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for (int x = 0; x < 10; ++x)
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{
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o.ToString();
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GC.Collect(1);
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}
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sum += i + j + k + l + m + n + s;
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return 0;
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}
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/*
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* Test the case when a stack slot becomes dead, then live again due to a backward
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* branch.
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*/
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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static object alloc_obj()
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{
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return new object();
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}
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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static bool return_true()
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{
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return true;
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}
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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static bool return_false()
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{
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return false;
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}
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public static int test_0_liveness_6()
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{
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bool b = false;
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bool b2 = true;
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/* Exhaust all registers so 'o' is stack allocated */
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int sum = 0, i, j, k, l, m, n, s;
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for (i = 0; i < 100; ++i)
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sum++;
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for (j = 0; j < 100; ++j)
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sum++;
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for (k = 0; k < 100; ++k)
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sum++;
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for (l = 0; l < 100; ++l)
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sum++;
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for (m = 0; m < 100; ++m)
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sum++;
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for (n = 0; n < 100; ++n)
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sum++;
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for (s = 0; s < 100; ++s)
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sum++;
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for (int x = 0; x < 10; ++x)
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{
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GC.Collect(1);
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object o = alloc_obj();
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o.ToString();
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GC.Collect(1);
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}
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sum += i + j + k + l + m + n + s;
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return 0;
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}
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public static int test_0_multi_dim_ref_array_wbarrier()
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{
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string[,] arr = new string[256, 256];
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for (int i = 0; i < 256; ++i)
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{
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for (int j = 0; j < 100; ++j)
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arr[i, j] = "" + i + " " + j;
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}
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GC.Collect();
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return 0;
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}
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/*
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* Liveness + out of line bblocks
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*/
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public static int test_0_liveness_7()
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{
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/* Exhaust all registers so 'o' is stack allocated */
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int sum = 0, i, j, k, l, m, n, s;
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for (i = 0; i < 100; ++i)
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sum++;
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for (j = 0; j < 100; ++j)
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sum++;
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for (k = 0; k < 100; ++k)
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sum++;
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for (l = 0; l < 100; ++l)
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sum++;
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for (m = 0; m < 100; ++m)
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sum++;
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for (n = 0; n < 100; ++n)
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sum++;
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for (s = 0; s < 100; ++s)
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sum++;
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// o is dead here
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GC.Collect(1);
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if (return_false())
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{
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// This bblock is in-line
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object o = alloc_obj();
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// o is live here
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if (return_false())
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{
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// This bblock is out-of-line, and o is live here
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throw new Exception(o.ToString());
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}
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}
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// o is dead here too
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GC.Collect(1);
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return 0;
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}
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// Liveness + finally clauses
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public static int test_0_liveness_8()
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{
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/* Exhaust all registers so 'o' is stack allocated */
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int sum = 0, i, j, k, l, m, n, s;
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for (i = 0; i < 100; ++i)
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sum++;
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for (j = 0; j < 100; ++j)
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sum++;
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for (k = 0; k < 100; ++k)
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sum++;
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for (l = 0; l < 100; ++l)
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sum++;
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for (m = 0; m < 100; ++m)
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sum++;
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for (n = 0; n < 100; ++n)
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sum++;
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for (s = 0; s < 100; ++s)
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sum++;
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object o = null;
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try
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{
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o = alloc_obj();
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}
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finally
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{
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GC.Collect(1);
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}
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o.GetHashCode();
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return 0;
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}
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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static object alloc_string()
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{
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return "A";
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}
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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static object alloc_obj_and_gc()
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{
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GC.Collect(1);
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return new object();
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}
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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static void clobber_regs_and_gc()
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{
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int sum = 0, i, j, k, l, m, n, s;
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for (i = 0; i < 100; ++i)
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sum++;
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for (j = 0; j < 100; ++j)
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sum++;
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for (k = 0; k < 100; ++k)
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sum++;
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for (l = 0; l < 100; ++l)
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sum++;
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for (m = 0; m < 100; ++m)
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sum++;
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for (n = 0; n < 100; ++n)
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sum++;
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for (s = 0; s < 100; ++s)
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sum++;
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GC.Collect(1);
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}
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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static void liveness_9_call1(object o1, object o2, object o3)
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{
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o1.GetHashCode();
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o2.GetHashCode();
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o3.GetHashCode();
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}
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// Liveness + JIT temporaries
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public static int test_0_liveness_9()
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{
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// the result of alloc_obj () goes into a vreg, which gets converted to a
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// JIT temporary because of the branching introduced by the cast
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// FIXME: This doesn't crash if MONO_TYPE_I is not treated as a GC ref
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liveness_9_call1(alloc_obj(), (string)alloc_string(), alloc_obj_and_gc());
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return 0;
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}
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// Liveness for registers
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public static int test_0_liveness_10()
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{
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// Make sure this goes into a register
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object o = alloc_obj();
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o.GetHashCode();
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o.GetHashCode();
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o.GetHashCode();
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o.GetHashCode();
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o.GetHashCode();
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o.GetHashCode();
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// Break the bblock so o doesn't become a local vreg
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if (return_true())
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// Clobber it with a call and run a GC
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clobber_regs_and_gc();
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// Access it again
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o.GetHashCode();
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return 0;
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}
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// Liveness for spill slots holding managed pointers
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public static int test_0_liveness_11()
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{
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Tests[] arr = new Tests[10];
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// This uses an ldelema internally
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// FIXME: This doesn't crash if mp-s are not correctly tracked, just writes to
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// an old object.
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arr[0] >>= 1;
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return 0;
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}
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public static Tests operator >>(Tests bi1, int shiftVal)
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{
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clobber_regs_and_gc();
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return bi1;
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}
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[MethodImplAttribute(MethodImplOptions.NoInlining)]
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public static void liveness_12_inner(int a, int b, int c, int d, int e, int f, object o)
|
|
{
|
|
GC.Collect(1);
|
|
o.GetHashCode();
|
|
}
|
|
|
|
// Liveness for param area
|
|
public static int test_0_liveness_12()
|
|
{
|
|
// The ref argument should be passed on the stack
|
|
liveness_12_inner(1, 2, 3, 4, 5, 6, new object());
|
|
return 0;
|
|
}
|
|
|
|
public static void liveness_13_inner(ref ArrayList arr)
|
|
{
|
|
// The value of arr will be stored in a spill slot
|
|
arr.Add(alloc_obj_and_gc());
|
|
}
|
|
|
|
// Liveness for byref arguments in spill slots
|
|
public static int test_0_liveness_13()
|
|
{
|
|
var arr = new ArrayList();
|
|
liveness_13_inner(ref arr);
|
|
return 0;
|
|
}
|
|
} |