Mercurial > hg > truffle
diff src/share/vm/opto/callGenerator.cpp @ 20340:fbc31318922c hs25.40-b06
Merge
author | amurillo |
---|---|
date | Thu, 21 Aug 2014 14:42:54 -0700 |
parents | 411e30e5fbb8 |
children | 8ed0a8dbea70 |
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--- a/src/share/vm/opto/callGenerator.cpp Thu Aug 21 11:43:17 2014 -0700 +++ b/src/share/vm/opto/callGenerator.cpp Thu Aug 21 14:42:54 2014 -0700 @@ -63,12 +63,12 @@ } virtual bool is_parse() const { return true; } - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser); + virtual JVMState* generate(JVMState* jvms); int is_osr() { return _is_osr; } }; -JVMState* ParseGenerator::generate(JVMState* jvms, Parse* parent_parser) { +JVMState* ParseGenerator::generate(JVMState* jvms) { Compile* C = Compile::current(); if (is_osr()) { @@ -80,7 +80,7 @@ return NULL; // bailing out of the compile; do not try to parse } - Parse parser(jvms, method(), _expected_uses, parent_parser); + Parse parser(jvms, method(), _expected_uses); // Grab signature for matching/allocation #ifdef ASSERT if (parser.tf() != (parser.depth() == 1 ? C->tf() : tf())) { @@ -119,12 +119,12 @@ _separate_io_proj(separate_io_proj) { } - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser); + virtual JVMState* generate(JVMState* jvms); CallStaticJavaNode* call_node() const { return _call_node; } }; -JVMState* DirectCallGenerator::generate(JVMState* jvms, Parse* parent_parser) { +JVMState* DirectCallGenerator::generate(JVMState* jvms) { GraphKit kit(jvms); bool is_static = method()->is_static(); address target = is_static ? SharedRuntime::get_resolve_static_call_stub() @@ -171,10 +171,10 @@ vtable_index >= 0, "either invalid or usable"); } virtual bool is_virtual() const { return true; } - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser); + virtual JVMState* generate(JVMState* jvms); }; -JVMState* VirtualCallGenerator::generate(JVMState* jvms, Parse* parent_parser) { +JVMState* VirtualCallGenerator::generate(JVMState* jvms) { GraphKit kit(jvms); Node* receiver = kit.argument(0); @@ -276,7 +276,7 @@ // Convert the CallStaticJava into an inline virtual void do_late_inline(); - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser) { + virtual JVMState* generate(JVMState* jvms) { Compile *C = Compile::current(); C->print_inlining_skip(this); @@ -290,7 +290,7 @@ // that the late inlining logic can distinguish between fall // through and exceptional uses of the memory and io projections // as is done for allocations and macro expansion. - return DirectCallGenerator::generate(jvms, parent_parser); + return DirectCallGenerator::generate(jvms); } virtual void print_inlining_late(const char* msg) { @@ -389,7 +389,7 @@ } // Now perform the inling using the synthesized JVMState - JVMState* new_jvms = _inline_cg->generate(jvms, NULL); + JVMState* new_jvms = _inline_cg->generate(jvms); if (new_jvms == NULL) return; // no change if (C->failing()) return; @@ -407,7 +407,7 @@ C->env()->notice_inlined_method(_inline_cg->method()); C->set_inlining_progress(true); - kit.replace_call(call, result); + kit.replace_call(call, result, true); } @@ -429,8 +429,8 @@ virtual bool is_mh_late_inline() const { return true; } - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser) { - JVMState* new_jvms = LateInlineCallGenerator::generate(jvms, parent_parser); + virtual JVMState* generate(JVMState* jvms) { + JVMState* new_jvms = LateInlineCallGenerator::generate(jvms); if (_input_not_const) { // inlining won't be possible so no need to enqueue right now. call_node()->set_generator(this); @@ -477,13 +477,13 @@ LateInlineStringCallGenerator(ciMethod* method, CallGenerator* inline_cg) : LateInlineCallGenerator(method, inline_cg) {} - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser) { + virtual JVMState* generate(JVMState* jvms) { Compile *C = Compile::current(); C->print_inlining_skip(this); C->add_string_late_inline(this); - JVMState* new_jvms = DirectCallGenerator::generate(jvms, parent_parser); + JVMState* new_jvms = DirectCallGenerator::generate(jvms); return new_jvms; } @@ -500,13 +500,13 @@ LateInlineBoxingCallGenerator(ciMethod* method, CallGenerator* inline_cg) : LateInlineCallGenerator(method, inline_cg) {} - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser) { + virtual JVMState* generate(JVMState* jvms) { Compile *C = Compile::current(); C->print_inlining_skip(this); C->add_boxing_late_inline(this); - JVMState* new_jvms = DirectCallGenerator::generate(jvms, parent_parser); + JVMState* new_jvms = DirectCallGenerator::generate(jvms); return new_jvms; } }; @@ -542,7 +542,7 @@ virtual bool is_virtual() const { return _is_virtual; } virtual bool is_deferred() const { return true; } - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser); + virtual JVMState* generate(JVMState* jvms); }; @@ -552,12 +552,12 @@ return new WarmCallGenerator(ci, if_cold, if_hot); } -JVMState* WarmCallGenerator::generate(JVMState* jvms, Parse* parent_parser) { +JVMState* WarmCallGenerator::generate(JVMState* jvms) { Compile* C = Compile::current(); if (C->log() != NULL) { C->log()->elem("warm_call bci='%d'", jvms->bci()); } - jvms = _if_cold->generate(jvms, parent_parser); + jvms = _if_cold->generate(jvms); if (jvms != NULL) { Node* m = jvms->map()->control(); if (m->is_CatchProj()) m = m->in(0); else m = C->top(); @@ -618,7 +618,7 @@ virtual bool is_inline() const { return _if_hit->is_inline(); } virtual bool is_deferred() const { return _if_hit->is_deferred(); } - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser); + virtual JVMState* generate(JVMState* jvms); }; @@ -630,7 +630,7 @@ } -JVMState* PredictedCallGenerator::generate(JVMState* jvms, Parse* parent_parser) { +JVMState* PredictedCallGenerator::generate(JVMState* jvms) { GraphKit kit(jvms); PhaseGVN& gvn = kit.gvn(); // We need an explicit receiver null_check before checking its type. @@ -648,6 +648,10 @@ return kit.transfer_exceptions_into_jvms(); } + // Make a copy of the replaced nodes in case we need to restore them + ReplacedNodes replaced_nodes = kit.map()->replaced_nodes(); + replaced_nodes.clone(); + Node* exact_receiver = receiver; // will get updated in place... Node* slow_ctl = kit.type_check_receiver(receiver, _predicted_receiver, _hit_prob, @@ -658,7 +662,7 @@ { PreserveJVMState pjvms(&kit); kit.set_control(slow_ctl); if (!kit.stopped()) { - slow_jvms = _if_missed->generate(kit.sync_jvms(), parent_parser); + slow_jvms = _if_missed->generate(kit.sync_jvms()); if (kit.failing()) return NULL; // might happen because of NodeCountInliningCutoff assert(slow_jvms != NULL, "must be"); @@ -679,12 +683,12 @@ kit.replace_in_map(receiver, exact_receiver); // Make the hot call: - JVMState* new_jvms = _if_hit->generate(kit.sync_jvms(), parent_parser); + JVMState* new_jvms = _if_hit->generate(kit.sync_jvms()); if (new_jvms == NULL) { // Inline failed, so make a direct call. assert(_if_hit->is_inline(), "must have been a failed inline"); CallGenerator* cg = CallGenerator::for_direct_call(_if_hit->method()); - new_jvms = cg->generate(kit.sync_jvms(), parent_parser); + new_jvms = cg->generate(kit.sync_jvms()); } kit.add_exception_states_from(new_jvms); kit.set_jvms(new_jvms); @@ -701,6 +705,11 @@ return kit.transfer_exceptions_into_jvms(); } + // There are 2 branches and the replaced nodes are only valid on + // one: restore the replaced nodes to what they were before the + // branch. + kit.map()->set_replaced_nodes(replaced_nodes); + // Finish the diamond. kit.C->set_has_split_ifs(true); // Has chance for split-if optimization RegionNode* region = new (kit.C) RegionNode(3); @@ -891,7 +900,7 @@ virtual bool is_inlined() const { return true; } virtual bool is_intrinsic() const { return true; } - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser); + virtual JVMState* generate(JVMState* jvms); }; @@ -901,7 +910,7 @@ } -JVMState* PredicatedIntrinsicGenerator::generate(JVMState* jvms, Parse* parent_parser) { +JVMState* PredicatedIntrinsicGenerator::generate(JVMState* jvms) { // The code we want to generate here is: // if (receiver == NULL) // uncommon_Trap @@ -961,7 +970,7 @@ if (!kit.stopped()) { PreserveJVMState pjvms(&kit); // Generate intrinsic code: - JVMState* new_jvms = _intrinsic->generate(kit.sync_jvms(), parent_parser); + JVMState* new_jvms = _intrinsic->generate(kit.sync_jvms()); if (new_jvms == NULL) { // Intrinsic failed, use normal compilation path for this predicate. slow_region->add_req(kit.control()); @@ -986,7 +995,7 @@ PreserveJVMState pjvms(&kit); // Generate normal compilation code: kit.set_control(gvn.transform(slow_region)); - JVMState* new_jvms = _cg->generate(kit.sync_jvms(), parent_parser); + JVMState* new_jvms = _cg->generate(kit.sync_jvms()); if (kit.failing()) return NULL; // might happen because of NodeCountInliningCutoff assert(new_jvms != NULL, "must be"); @@ -1093,7 +1102,7 @@ virtual bool is_virtual() const { ShouldNotReachHere(); return false; } virtual bool is_trap() const { return true; } - virtual JVMState* generate(JVMState* jvms, Parse* parent_parser); + virtual JVMState* generate(JVMState* jvms); }; @@ -1105,7 +1114,7 @@ } -JVMState* UncommonTrapCallGenerator::generate(JVMState* jvms, Parse* parent_parser) { +JVMState* UncommonTrapCallGenerator::generate(JVMState* jvms) { GraphKit kit(jvms); // Take the trap with arguments pushed on the stack. (Cf. null_check_receiver). int nargs = method()->arg_size();