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8225756: [testbug] compiler/loopstripmining/CheckLoopStripMining.java sets too short a SafepointTimeoutDelay

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Reviewed-by: kvn, epavlova, roland, mdoerr
This commit is contained in:
Igor Ignatyev 2019-11-13 10:59:25 -08:00
parent 46c3d43f83
commit a21dd0b86b
1 changed files with 34 additions and 11 deletions
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45
test/hotspot/jtreg/compiler/loopstripmining/CheckLoopStripMining.java
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@ -27,16 +27,38 @@
* @summary C2: LoopStripMining doesn't strip as expected
* @requires vm.compiler2.enabled
*
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+SafepointTimeout -XX:+SafepointALot
* -XX:+AbortVMOnSafepointTimeout -XX:SafepointTimeoutDelay=500 -XX:GuaranteedSafepointInterval=500
* -XX:-TieredCompilation -XX:+UseCountedLoopSafepoints -XX:LoopStripMiningIter=1000
* -XX:LoopUnrollLimit=0 -XX:CompileCommand=compileonly,CheckLoopStripMining::test_loop -Xcomp CheckLoopStripMining
*
* @library /test/lib
* @run driver compiler.loopstripmining.CheckLoopStripMining
*/
public class CheckLoopStripMining {
package compiler.loopstripmining;
public static int test_loop(int x) {
import jdk.test.lib.Utils;
import jdk.test.lib.process.ProcessTools;
public class CheckLoopStripMining {
public static void main(String args[]) throws Exception {
ProcessTools.executeTestJvm(
"-XX:+UnlockDiagnosticVMOptions",
// to prevent biased locking handshakes from changing the timing of this test
"-XX:-UseBiasedLocking",
"-XX:+SafepointTimeout",
"-XX:+SafepointALot",
"-XX:+AbortVMOnSafepointTimeout",
"-XX:SafepointTimeoutDelay=" + Utils.adjustTimeout(500),
"-XX:GuaranteedSafepointInterval=" + Utils.adjustTimeout(500),
"-XX:-TieredCompilation",
"-XX:+UseCountedLoopSafepoints",
"-XX:LoopStripMiningIter=1000",
"-XX:LoopUnrollLimit=0",
"-XX:CompileCommand=compileonly,compiler.loopstripmining.CheckLoopStripMining$Test::test_loop",
"-Xcomp",
Test.class.getName()).shouldHaveExitValue(0)
.stdoutShouldContain("sum: 715827882");
}
public static class Test {
public static int test_loop(int x) {
int sum = 0;
if (x != 0) {
for (int y = 1; y < Integer.MAX_VALUE; ++y) {
@ -44,10 +66,11 @@ public class CheckLoopStripMining {
}
}
return sum;
}
}
public static void main(String args[]) {
int sum = test_loop(3);
System.out.println("sum: " + sum);
public static void main(String args[]) {
int sum = test_loop(3);
System.out.println("sum: " + sum);
}
}
}