jdk8-mips64-public/hotspot: test/compiler/6689060/Test.java@885ed790ecf0 (annotated)

test/compiler/6689060/Test.java@885ed790ecf0 (annotated)

test/compiler/6689060/Test.java

Wed, 21 May 2008 10:45:07 -0700

author: kvn
date: Wed, 21 May 2008 10:45:07 -0700
changeset 598: 885ed790ecf0
child 688: b0fe4deeb9fb
child 720: 51ae48d8072f
permissions: -rw-r--r--

6695810: null oop passed to encode_heap_oop_not_null
Summary: fix several problems in C2 related to Escape Analysis and Compressed Oops.
Reviewed-by: never, jrose

 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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 /*
  * @test
  * @bug 6689060
  * @summary Escape Analysis does not work with Compressed Oops
  * @run main/othervm -Xbatch -XX:CompileCommand=exclude,Test.dummy -XX:+AggressiveOpts Test
  */
 import java.lang.reflect.Array;
 class Point {
   int x;
   int y;
   Point next;
   int ax[];
   int ay[];
   Point pax[];
   Point pay[];
   public Point getNext() {
     return next;
   }
 }
 public class Test {
   void dummy() {
     // Empty method to verify correctness of DebugInfo.
     // Use -XX:CompileCommand=exclude,Test.dummy
   }
   int ival(int i) {
     return i*2;
   }
   int test80(int y, int l, int i) {
     Point p = new Point();
     p.ax = new int[2];
     p.ay = new int[2];
     int x = 3;
     p.ax[0] = x;
     p.ay[1] = 3 * x + y;
     dummy();
     return p.ax[0] * p.ay[1];
   }
   int test81(int y, int l, int i) {
     Point p = new Point();
     p.ax = new int[2];
     p.ay = new int[2];
     int x = 3;
     p.ax[0] = x;
     p.ay[1] = 3 * x + y;
     dummy();
     return p.ax[0] * p.ay[1];
   }
   int test44(int y) {
     Point p1 = new Point();
     p1.x = ival(3);
     dummy();
     p1.y = 3 * p1.x + y;
     return p1.y;
   }
   int test43(int y) {
     Point p1 = new Point();
     if ( (y & 1) == 1 ) {
       p1.x = ival(3);
     } else {
       p1.x = ival(5);
     }
     dummy();
     p1.y = 3 * p1.x + y;
     return p1.y;
   }
   int test42(int y) {
     Point p1 = new Point();
     p1.x = 3;
     for (int i = 0; i < y; i++) {
       if ( (i & 1) == 1 ) {
         p1.x += 4;
       }
     }
     p1.y = 3 * y + p1.x;
     return p1.y;
   }
   int test40(int y) {
     Point p1 = new Point();
     if ( (y & 1) == 1 ) {
       p1.x = 3;
     } else {
       p1.x = 5;
     }
     p1.y = 3 * p1.x + y;
     return p1.y;
   }
   int test41(int y) {
     Point p1 = new Point();
     if ( (y & 1) == 1 ) {
       p1.x += 4;
     } else {
       p1.x += 5;
     }
     p1.y = 3 * p1.x + y;
     return p1.y;
   }
   Point test00(int y) {
     int x = 3;
     Point p = new Point();
     p.x = x;
     p.y = 3 * x + y;
     return p;
   }
   Point test01(int y) {
     int x = 3;
     Point p = new Point();
     p.x = x;
     p.y = 3 * x + y;
     dummy();
     return p;
   }
   Point test02(int y) {
     int x = 3;
     Point p1 = null;
     for (int i = 0; i < y; i++) {
       Point p2 = new Point();
       p2.x = x;
       p2.y = 3 * y + x;
       p2.next = p1;
       p1 = p2;
     }
     return p1;
   }
   Point test03(int y) {
     int x = 3;
     Point p1 = null;
     for (int i = 0; i < y; i++) {
       Point p2 = new Point();
       p2.x = x;
       p2.y = 3 * y + x;
       p2.next = p1;
       p1 = p2;
     }
     dummy();
     return p1;
   }
   Point test04(int y) {
     int x = 3;
     Point p1 = null;
     for (int i = 0; i < y; i++) {
       Point p2 = new Point();
       p2.x = x;
       p2.y = 3 * y + x;
       p2.next = p1;
       dummy();
       p1 = p2;
     }
     return p1;
   }
   int test05(int y) {
     int x = 3;
     Point p1 = new Point();
     for (int i = 0; i < y; i++) {
       Point p2 = new Point();
       p2.x = x;
       p2.y = 3 * y + x;
       p1.next = p2;
       p1 = p2;
     }
     return p1.y;
   }
   int test0(int y) {
     int x = 3;
     Point p = new Point();
     p.x = x;
     p.y = 3 * x + y;
     dummy();
     return p.x * p.y;
   }
   int test1(int y) {
     Point p = new Point();
     if ( (y & 1) == 1 ) {
       p = new Point(); // Kill previous
     }
     int x = 3;
     p.x = x;
     p.y = 3 * x + y;
     dummy();
     return p.x * p.y;
   }
   int test2(int y) {
     Point p1 = new Point();
     Point p2 = new Point();
     p1.x = 3;
     p2.x = 4;
     p1.y = 3 * p2.x + y;
     p2.y = 3 * p1.x + y;
     dummy();
     return p1.y * p2.y;
   }
   int test3(int y, Point p1) {
     Point p2 = new Point();
     p1.x = 3;
     p2.x = 4;
     p1.y = 3 * p2.x + y;
     p2.y = 3 * p1.x + y;
     dummy();
     return p1.y * p2.y;
   }
   int test4(int y) {
     Point p1 = new Point();
     Point p2 = new Point();
     if ( (y & 1) == 1 ) {
       p1.x = 3;
       p2.x = 4;
     } else {
       p1.x = 5;
       p2.x = 6;
     }
     p1.y = 3 * p2.x + y;
     p2.y = 3 * p1.x + y;
     dummy();
     return p1.y * p2.y;
   }
   int test5(int y, Point p1) {
     Point p2 = new Point();
     if ( (y & 1) == 1 ) {
       p1.x = 3;
       p2.x = 4;
     } else {
       p1.x = 5;
       p2.x = 6;
     }
     p1.y = 3 * p2.x + y;
     p2.y = 3 * p1.x + y;
     dummy();
     return p1.y * p2.y;
   }
   int test6(int y) {
     Point p1 = new Point();
     Point p2 = new Point();
     p1.next = p2;
     if ( (y & 1) == 1 ) {
       p1.x = 3;
       p1.getNext().x = 4;
     } else {
       p1.x = 5;
       p1.getNext().x = 6;
     }
     p1.y = 3 * p2.x + y;
     p2.y = 3 * p1.x + y;
     dummy();
     return p1.y * p2.y;
   }
   int test7(int y, Point p1) {
     Point p2 = new Point();
     p1.next = p2;
     if ( (y & 1) == 1 ) {
       p1.x = 3;
       p1.getNext().x = 4;
     } else {
       p1.x = 5;
       p1.getNext().x = 6;
     }
     p1.y = 3 * p2.x + y;
     p2.y = 3 * p1.x + y;
     dummy();
     return p1.y * p2.y;
   }
   int test8(int y, int l, int i) {
     Point p = new Point();
     p.ax = new int[l];
     p.ay = new int[l];
     int x = 3;
     p.ax[i] = x;
     p.ay[i] = 3 * x + y;
     dummy();
     return p.ax[i] * p.ay[i];
   }
   int test9(int y, int l, int i) {
     Point p = new Point();
     p.pax = new Point[l];
     p.pay = new Point[l];
     p.pax[i] = new Point();
     p.pay[i] = new Point();
     p.pax[i].x = 3;
     p.pay[i].x = 4;
     p.pax[i].y = 3 * p.pay[i].x + y;
     p.pay[i].y = 3 * p.pax[i].x + y;
     dummy();
     return p.pax[i].y * p.pay[i].y;
   }
   int test10(int y, int l, int i, Class cls) {
     Point p = new Point();
     try {
       p.pax = (Point[])Array.newInstance(cls, l);
       p.pax[i] = (Point)cls.newInstance();
     }
     catch(java.lang.InstantiationException ex) {
       return 0;
     }
     catch(java.lang.IllegalAccessException ex) {
       return 0;
     }
     p.pax[i].x = 3;
     p.pax[i].y = 3 * p.pax[i].x + y;
     dummy();
     return p.pax[i].x * p.pax[i].y;
   }
   int test11(int y) {
     Point p1 = new Point();
     Point p2 = new Point();
     p1.next = p2;
     if ( (y & 1) == 1 ) {
       p1.x = 3;
       p1.next.x = 4;
     } else {
       p1.x = 5;
       p1.next.x = 6;
     }
     p1.y = 3 * p1.next.x + y;
     p1.next.y = 3 * p1.x + y;
     dummy();
     return p1.y * p1.next.y;
   }
   int test12(int y) {
     Point p1 = new Point();
     p1.next = p1;
     if ( (y & 1) == 1 ) {
       p1.x = 3;
       p1.next.x = 4;
     } else {
       p1.x = 5;
       p1.next.x = 6;
     }
     p1.y = 3 * p1.next.x + y;
     p1.next.y = 3 * p1.x + y;
     dummy();
     return p1.y * p1.next.y;
   }
   public static void main(String args[]) {
     Test tsr    = new Test();
     Point p     = new Point();
     Point ptmp  = p;
     Class cls   = Point.class;
     int y = 0;
     for (int i=0; i<10000; i++) {
       ptmp.next = tsr.test00(1);
       ptmp.next = tsr.test01(1);
       ptmp.next = tsr.test02(1);
       ptmp.next = tsr.test03(1);
       ptmp.next = tsr.test04(1);
       y = tsr.test05(1);
       y = tsr.test80(y, 1, 0);
       y = tsr.test81(y, 1, 0);
       y = tsr.test44(y);
       y = tsr.test43(y);
       y = tsr.test42(y);
       y = tsr.test40(y);
       y = tsr.test41(y);
       y = tsr.test0(y);
       y = tsr.test1(y);
       y = tsr.test2(y);
       y = tsr.test3(y, p);
       y = tsr.test4(y);
       y = tsr.test5(y, p);
       y = tsr.test6(y);
       y = tsr.test7(y, p);
       y = tsr.test8(y, 1, 0);
       y = tsr.test9(y, 1, 0);
       y = tsr.test10(y, 1, 0, cls);
       y = tsr.test11(y);
       y = tsr.test12(y);
     }
     for (int i=0; i<10000; i++) {
       ptmp.next = tsr.test00(1);
       ptmp.next = tsr.test01(1);
       ptmp.next = tsr.test02(1);
       ptmp.next = tsr.test03(1);
       ptmp.next = tsr.test04(1);
       y = tsr.test05(1);
       y = tsr.test80(y, 1, 0);
       y = tsr.test81(y, 1, 0);
       y = tsr.test44(y);
       y = tsr.test43(y);
       y = tsr.test42(y);
       y = tsr.test40(y);
       y = tsr.test41(y);
       y = tsr.test0(y);
       y = tsr.test1(y);
       y = tsr.test2(y);
       y = tsr.test3(y, p);
       y = tsr.test4(y);
       y = tsr.test5(y, p);
       y = tsr.test6(y);
       y = tsr.test7(y, p);
       y = tsr.test8(y, 1, 0);
       y = tsr.test9(y, 1, 0);
       y = tsr.test10(y, 1, 0, cls);
       y = tsr.test11(y);
       y = tsr.test12(y);
     }
     for (int i=0; i<10000; i++) {
       ptmp.next = tsr.test00(1);
       ptmp.next = tsr.test01(1);
       ptmp.next = tsr.test02(1);
       ptmp.next = tsr.test03(1);
       ptmp.next = tsr.test04(1);
       y = tsr.test05(1);
       y = tsr.test80(y, 1, 0);
       y = tsr.test81(y, 1, 0);
       y = tsr.test44(y);
       y = tsr.test43(y);
       y = tsr.test42(y);
       y = tsr.test40(y);
       y = tsr.test41(y);
       y = tsr.test0(y);
       y = tsr.test1(y);
       y = tsr.test2(y);
       y = tsr.test3(y, p);
       y = tsr.test4(y);
       y = tsr.test5(y, p);
       y = tsr.test6(y);
       y = tsr.test7(y, p);
       y = tsr.test8(y, 1, 0);
       y = tsr.test9(y, 1, 0);
       y = tsr.test10(y, 1, 0, cls);
       y = tsr.test11(y);
       y = tsr.test12(y);
     }
     int z = 0;
     y = tsr.test80(0, 1, 0);
     z += y;
     System.out.println("After 'test80' y=" + y);
     y = tsr.test81(0, 1, 0);
     z += y;
     System.out.println("After 'test81' y=" + y);
     y = tsr.test44(0);
     z += y;
     System.out.println("After 'test44' y=" + y);
     y = tsr.test43(0);
     z += y;
     System.out.println("After 'test43' y=" + y);
     y = tsr.test42(0);
     z += y;
     System.out.println("After 'test42' y=" + y);
     y = tsr.test40(0);
     z += y;
     System.out.println("After 'test40' y=" + y);
     y = tsr.test41(0);
     z += y;
     System.out.println("After 'test41' y=" + y);
     ptmp.next = tsr.test00(1);
     z += y;
     System.out.println("After 'test00' p.y=" + ptmp.next.y);
     ptmp.next = tsr.test01(1);
     z += y;
     System.out.println("After 'test01' p.y=" + ptmp.next.y);
     ptmp.next = tsr.test02(1);
     z += y;
     System.out.println("After 'test02' p.y=" + ptmp.next.y);
     ptmp.next = tsr.test03(1);
     z += y;
     System.out.println("After 'test03' p.y=" + ptmp.next.y);
     ptmp.next = tsr.test04(1);
     z += y;
     System.out.println("After 'test04' p.y=" + ptmp.next.y);
     y = tsr.test05(1);
     z += y;
     System.out.println("After 'test05' y=" + y);
     y = tsr.test0(0);
     z += y;
     System.out.println("After 'test0' y=" + y);
     y = tsr.test1(0);
     z += y;
     System.out.println("After 'test1' y=" + y);
     y = tsr.test2(0);
     z += y;
     System.out.println("After 'test2' y=" + y);
     y = tsr.test3(0, new Point());
     z += y;
     System.out.println("After 'test3' y=" + y);
     y = tsr.test4(0);
     z += y;
     System.out.println("After 'test4' y=" + y);
     y = tsr.test5(0, new Point());
     z += y;
     System.out.println("After 'test5' y=" + y);
     y = tsr.test6(0);
     z += y;
     System.out.println("After 'test6' y=" + y);
     y = tsr.test7(0, new Point());
     z += y;
     System.out.println("After 'test7' y=" + y);
     y = tsr.test8(0, 1, 0);
     z += y;
     System.out.println("After 'test8' y=" + y);
     y = tsr.test9(0, 1, 0);
     z += y;
     System.out.println("After 'test9' y=" + y);
     y = tsr.test10(0, 1, 0, cls);
     z += y;
     System.out.println("After 'test10' y=" + y);
     y = tsr.test11(0);
     z += y;
     System.out.println("After 'test11' y=" + y);
     y = tsr.test12(0);
     z += y;
     System.out.println("After 'test12' y=" + y);
     System.out.println("Sum of y =" + z);
   }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/compiler/6689060/Test.java@885ed790ecf0 (annotated)

test/compiler/6689060/Test.java