publicstaticint $noinline$returnInt() { // If we are running in non-JIT mode, or were unlucky enough to get this method // already JITted, skip the wait for OSR code. boolean interpreting = isInInterpreter("$noinline$returnInt"); int i = 0; for (; i < 100000; ++i) {
} if (interpreting) { while (!isInOsrCode("$noinline$returnInt")) {}
}
System.out.println(i); return53;
}
publicstaticfloat $noinline$returnFloat() { // If we are running in non-JIT mode, or were unlucky enough to get this method // already JITted, skip the wait for OSR code. boolean interpreting = isInInterpreter("$noinline$returnFloat"); int i = 0; for (; i < 200000; ++i) {
} if (interpreting) { while (!isInOsrCode("$noinline$returnFloat")) {}
}
System.out.println(i); return42.2f;
}
publicstaticdouble $noinline$returnDouble() { // If we are running in non-JIT mode, or were unlucky enough to get this method // already JITted, skip the wait for OSR code. boolean interpreting = isInInterpreter("$noinline$returnDouble"); int i = 0; for (; i < 300000; ++i) {
} if (interpreting) { while (!isInOsrCode("$noinline$returnDouble")) {}
}
System.out.println(i); returnDouble.longBitsToDouble(0xF000000000001111L);
}
publicstaticlong $noinline$returnLong() { // If we are running in non-JIT mode, or were unlucky enough to get this method // already JITted, skip the wait for OSR code. boolean interpreting = isInInterpreter("$noinline$returnLong"); int i = 0; for (; i < 400000; ++i) {
} if (interpreting) { while (!isInOsrCode("$noinline$returnLong")) {}
}
System.out.println(i); return0xFFFF000000001111L;
}
publicstaticvoid $noinline$deopt() { // If we are running in non-JIT mode, or were unlucky enough to get this method // already JITted, skip the wait for OSR code. boolean interpreting = isInInterpreter("$noinline$deopt"); int i = 0; for (; i < 100000; ++i) {
} if (interpreting) { while (!isInOsrCode("$noinline$deopt")) {}
}
DeoptimizationController.startDeoptimization();
}
publicstaticClass<?> $noinline$inlineCache(Main m, boolean isSecondInvocation) { // If we are running in non-JIT mode, or were unlucky enough to get this method // already JITted, just return the expected value. if (!isInInterpreter("$noinline$inlineCache")) { return SubMain.class;
}
ensureHasProfilingInfo("$noinline$inlineCache");
// Ensure that we have OSR code to jump to. if (isSecondInvocation) {
ensureHasOsrCode("$noinline$inlineCache");
}
// This call will be optimized in the OSR compiled code // to check and deoptimize if m is not of type 'Main'.
Main other = m.inlineCache();
// Jump to OSR compiled code. The second run // of this method will have 'm' as a SubMain, and the compiled // code we are jumping to will have wrongly optimize other as being a // 'Main'. if (isSecondInvocation) { while (!isInOsrCode("$noinline$inlineCache")) {}
}
// We used to wrongly optimize this call and assume 'other' was a 'Main'. return other.returnClass();
}
publicstaticClass<?> $noinline$inlineCache2(Main m, boolean isSecondInvocation) { // If we are running in non-JIT mode, or were unlucky enough to get this method // already JITted, just return the expected value. if (!isInInterpreter("$noinline$inlineCache2")) { return SubMain.class;
}
ensureHasProfilingInfo("$noinline$inlineCache2");
// Ensure that we have OSR code to jump to. if (isSecondInvocation) {
ensureHasOsrCode("$noinline$inlineCache2");
}
// This call will be optimized in the OSR compiled code // to check and deoptimize if m is not of type 'Main'.
Main other = m.inlineCache2();
// Jump to OSR compiled code. The second run // of this method will have 'm' as a SubMain, and the compiled // code we are jumping to will have wrongly optimize other as being null. if (isSecondInvocation) { while (!isInOsrCode("$noinline$inlineCache2")) {}
}
// We used to wrongly optimize this code and assume 'other' was always null. return (other == null) ? null : other.returnClass();
}
publicstaticClass<?> $noinline$inlineCache3(Main m, boolean isSecondInvocation) { // If we are running in non-JIT mode, or were unlucky enough to get this method // already JITted, just return the expected value. if (!isInInterpreter("$noinline$inlineCache3")) { returnnull;
}
ensureHasProfilingInfo("$noinline$inlineCache3");
// Ensure that we have OSR code to jump to. if (isSecondInvocation) {
ensureHasOsrCode("$noinline$inlineCache3");
}
// This call will be optimized in the OSR compiled code // to check and deoptimize if m is not of type 'Main'.
Main other = m.inlineCache3();
// Jump to OSR compiled code. The second run // of this method will have 'm' as a SubMain, and the compiled // code we are jumping to will have wrongly optimize other as being null. if (isSecondInvocation) { while (!isInOsrCode("$noinline$inlineCache3")) {}
}
// We used to wrongly optimize this code and assume 'other' was always null. return (other == null) ? null : other.returnClass();
}
publicstaticvoid $noinline$stackOverflow(Main m, boolean isSecondInvocation) { // If we are running in non-JIT mode, or were unlucky enough to get this method // already JITted, just return the expected value. if (!isInInterpreter("$noinline$stackOverflow")) { return;
}
// We need a ProfilingInfo object to populate the 'otherInlineCache' call.
ensureHasProfilingInfo("$noinline$stackOverflow");
if (isSecondInvocation) { // Ensure we have an OSR code and we jump to it. while (!isInOsrCode("$noinline$stackOverflow")) {}
}
for (int i = 0; i < (isSecondInvocation ? 10000000 : 1); ++i) { // The first invocation of $noinline$stackOverflow will populate the inline // cache with Main. The second invocation of the method, will see a SubMain // and will therefore trigger deoptimization.
m.otherInlineCache();
}
}
publicstaticvoid $opt$noinline$testOsrInlineLoop(String[] args) { // Regression test for inlining a method with a loop to a method without a loop in OSR mode.
assertIntEquals(12, $opt$inline$testRemoveSuspendCheck(12, 5)); // Since we cannot have a loop directly in this method, we need to force the OSR // compilation from native code.
ensureHasProfilingInfo("$opt$noinline$testOsrInlineLoop");
ensureHasOsrCode("$opt$noinline$testOsrInlineLoop");
}
publicstaticint $opt$inline$testRemoveSuspendCheck(int x, int y) { // For this test we need an inlined loop and have DCE re-run loop analysis // after inlining. while (y > 0) { while ($opt$inline$inlineFalse() || !$opt$inline$inlineTrue()) {
x++;
}
y--;
} return x;
}
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