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8257211: C2: Enable call devirtualization during post-parse phase

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Reviewed-by: kvn, neliasso, thartmann
This commit is contained in:
Vladimir Ivanov 2020-12-07 22:50:38 +00:00
parent 149a02f99a
commit 62c7788b29
15 changed files with 628 additions and 265 deletions
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12
src/hotspot/share/opto/compile.hpp
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@ -864,12 +864,12 @@ class Compile : public Phase {
bool should_delay_vector_reboxing_inlining(ciMethod* call_method, JVMState* jvms);
// Helper functions to identify inlining potential at call-site
ciMethod* optimize_virtual_call(ciMethod* caller, int bci, ciInstanceKlass* klass,
ciMethod* optimize_virtual_call(ciMethod* caller, ciInstanceKlass* klass,
ciKlass* holder, ciMethod* callee,
const TypeOopPtr* receiver_type, bool is_virtual,
bool &call_does_dispatch, int &vtable_index,
bool check_access = true);
ciMethod* optimize_inlining(ciMethod* caller, int bci, ciInstanceKlass* klass,
ciMethod* optimize_inlining(ciMethod* caller, ciInstanceKlass* klass,
ciMethod* callee, const TypeOopPtr* receiver_type,
bool check_access = true);
@ -911,6 +911,8 @@ class Compile : public Phase {
void update_dead_node_list(Unique_Node_List &useful);
void remove_useless_nodes (Unique_Node_List &useful);
void remove_useless_node(Node* dead);
WarmCallInfo* warm_calls() const { return _warm_calls; }
void set_warm_calls(WarmCallInfo* l) { _warm_calls = l; }
WarmCallInfo* pop_warm_call();
@ -941,9 +943,11 @@ class Compile : public Phase {
const GrowableArray<BufferBlob*>& native_invokers() const { return _native_invokers; }
void remove_useless_late_inlines(GrowableArray<CallGenerator*>* inlines, Unique_Node_List &useful);
void remove_useless_nodes (GrowableArray<Node*>& node_list, Unique_Node_List &useful);
void remove_useless_late_inlines(GrowableArray<CallGenerator*>* inlines, Unique_Node_List &useful);
void remove_useless_late_inlines(GrowableArray<CallGenerator*>* inlines, Node* dead);
void process_print_inlining();
void dump_print_inlining();
@ -974,6 +978,8 @@ class Compile : public Phase {
void inline_vector_reboxing_calls();
bool has_vbox_nodes();
void process_late_inline_calls_no_inline(PhaseIterGVN& igvn);
// Matching, CFG layout, allocation, code generation
PhaseCFG* cfg() { return _cfg; }
bool has_java_calls() const { return _java_calls > 0; }