8072422: Cleanup: Remove some unused flags/code in loop optimizations
Summary: Remove unused flags, change test using them.
Reviewed-by: kvn, twisti
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/**
* @test
* @bug 8073184
* @summary CastII that guards counted loops confuses range check elimination with LoopLimitCheck off
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:CompileOnly=TestCastIINoLoopLimitCheck.m -Xcomp TestCastIINoLoopLimitCheck
*
*/
/*
* The test was originally run with
*
* -XX:+UnlockDiagnosticVMOptions -XX:-LoopLimitCheck
*
* to trigger a problem with code guarded with !LoopLimitCheck.
* JDK-8072422 has removed that code but kept the test because the
* test generates an interesting graph shape.
*/
public class TestCastIINoLoopLimitCheck {
static void m(int i, int index, char[] buf) {
while (i >= 65536) {
i = i / 100;
buf [--index] = 0;
buf [--index] = 1;
}
}
static public void main(String[] args) {
m(0, 0, null);
}
}