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[GR-76085] Fix deopt in tracing. #897

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Merged
graalvmbot merged 1 commit into from
May 29, 2026
+9 −7
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[GR-76085] Fix deopt in tracing. #897

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16 changes: 9 additions & 7 deletions ...cle.graal.python/src/com/oracle/graal/python/nodes/bytecode_dsl/PBytecodeDSLRootNode.java
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Original file line number Diff line number Diff line change
Expand Up @@ -541,10 +541,14 @@ private InstrumentationData getInstrumentationData(VirtualFrame frame, BytecodeN
private void resetInstrumentationData(VirtualFrame frame, BytecodeNode bytecode) {
InstrumentationData current = (InstrumentationData) bytecode.getLocalValue(0, frame, instrumentationDataIndex);
if (current == null) {
current = new InstrumentationData(maxProfileCEventStackSize);
bytecode.setLocalValue(0, frame, instrumentationDataIndex, current);
initInstrumentationData(frame, bytecode);
} else {
current.reset();
}
current.reset();
}

private void initInstrumentationData(VirtualFrame frame, BytecodeNode bytecode) {
bytecode.setLocalValue(0, frame, instrumentationDataIndex, new InstrumentationData(maxProfileCEventStackSize));
}

private void resetInstrumentationDataForResume(VirtualFrame frame, BytecodeNode bytecode, int bci) {
Expand All @@ -558,7 +562,7 @@ public static final class EnterInstrumentedRoot {
public static void doEnter(VirtualFrame frame,
@Bind PBytecodeDSLRootNode root,
@Bind BytecodeNode bytecode) {
root.resetInstrumentationData(frame, bytecode);
root.initInstrumentationData(frame, bytecode);
}
}

Expand Down Expand Up @@ -698,9 +702,7 @@ void startProfileCEventCall(PBytecodeDSLRootNode root, VirtualFrame frame, Bytec

void clearProfileCEventCallableStack() {
if (profileCEventCallables != null) {
for (int i = 0; i < profileCEventStackTop; i++) {
profileCEventCallables[i] = null;
}
PythonUtils.fill(profileCEventCallables, 0, profileCEventStackTop, null);
}
profileCEventStackTop = 0;
profileCEventCallStarted = false;
Expand Down
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