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8347901: C2 should remove unused leaf / pure runtime calls #25760

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8347901: C2 should remove unused leaf / pure runtime calls #25760

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ff0a6b6
Eliminate pure function calls
marc-chevalier May 26, 2025
34fd5e9
Mostly comments
marc-chevalier Jun 20, 2025
7028b56
mostly comments
marc-chevalier Jun 23, 2025
7f18c9f
typo
marc-chevalier Jul 8, 2025
7553e30
Tentative to address Tobias' comments
marc-chevalier Jul 8, 2025
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2 changes: 1 addition & 1 deletion src/hotspot/share/opto/graphKit.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1913,7 +1913,7 @@ void GraphKit::set_predefined_output_for_runtime_call(Node* call,
set_control(_gvn.transform( new ProjNode(call,TypeFunc::Control) ));
if (call->is_CallLeafPure()) {
// Pure function have only control (for now) and data output, in particular
// the don't touch the memory, so we don't want a memory proj that is set after.
// they don't touch the memory, so we don't want a memory proj that is set after.
return;
}
if (keep_mem) {
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