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8360783: CTW: Skip deoptimization between tiers

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Reviewed-by: thartmann, mhaessig, dfenacci
This commit is contained in:
Aleksey Shipilev 2025-07-01 07:58:12 +00:00
parent b32ccf2cb2
commit cd6caedd0a
1 changed files with 7 additions and 2 deletions
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9
test/hotspot/jtreg/testlibrary/ctw/src/sun/hotspot/tools/ctw/Compiler.java
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@ -170,17 +170,22 @@ public class Compiler {
@Override
public final void run() {
// Make sure method is not compiled at any level before starting
// progressive compilations. No deopt in-between tiers is needed,
// as long as we increase the compilation levels one by one.
WHITE_BOX.deoptimizeMethod(method);
int compLevel = Utils.INITIAL_COMP_LEVEL;
if (Utils.TIERED_COMPILATION) {
for (int i = compLevel; i <= Utils.TIERED_STOP_AT_LEVEL; ++i) {
WHITE_BOX.deoptimizeMethod(method);
compileAtLevel(i);
}
} else {
compileAtLevel(compLevel);
}
// Make the method eligible for sweeping sooner
// Ditch all the compiled versions of the code, make the method
// eligible for sweeping sooner.
WHITE_BOX.deoptimizeMethod(method);
}