24
25 #include "precompiled.hpp"
26 #include "c1/c1_CFGPrinter.hpp"
27 #include "c1/c1_Canonicalizer.hpp"
28 #include "c1/c1_Compilation.hpp"
29 #include "c1/c1_GraphBuilder.hpp"
30 #include "c1/c1_InstructionPrinter.hpp"
31 #include "ci/ciCallSite.hpp"
32 #include "ci/ciField.hpp"
33 #include "ci/ciKlass.hpp"
34 #include "ci/ciMemberName.hpp"
35 #include "ci/ciSymbols.hpp"
36 #include "ci/ciUtilities.inline.hpp"
37 #include "classfile/javaClasses.hpp"
38 #include "compiler/compilationPolicy.hpp"
39 #include "compiler/compileBroker.hpp"
40 #include "compiler/compilerEvent.hpp"
41 #include "interpreter/bytecode.hpp"
42 #include "jfr/jfrEvents.hpp"
43 #include "memory/resourceArea.hpp"
44 #include "runtime/sharedRuntime.hpp"
45 #include "utilities/checkedCast.hpp"
46 #include "utilities/macros.hpp"
47 #if INCLUDE_JFR
48 #include "jfr/jfr.hpp"
49 #endif
50
51 class BlockListBuilder {
52 private:
53 Compilation* _compilation;
54 IRScope* _scope;
55
56 BlockList _blocks; // internal list of all blocks
57 BlockList* _bci2block; // mapping from bci to blocks for GraphBuilder
58 GrowableArray<BlockList> _bci2block_successors; // Mapping bcis to their blocks successors while we dont have a blockend
59
60 // fields used by mark_loops
61 ResourceBitMap _active; // for iteration of control flow graph
62 ResourceBitMap _visited; // for iteration of control flow graph
63 GrowableArray<ResourceBitMap> _loop_map; // caches the information if a block is contained in a loop
4058 caller_state->truncate_stack(args_base);
4059 assert(callee_state->stack_size() == 0, "callee stack must be empty");
4060
4061 Value lock = nullptr;
4062 BlockBegin* sync_handler = nullptr;
4063
4064 // Inline the locking of the receiver if the callee is synchronized
4065 if (callee->is_synchronized()) {
4066 lock = callee->is_static() ? append(new Constant(new InstanceConstant(callee->holder()->java_mirror())))
4067 : state()->local_at(0);
4068 sync_handler = new BlockBegin(SynchronizationEntryBCI);
4069 inline_sync_entry(lock, sync_handler);
4070 }
4071
4072 if (compilation()->env()->dtrace_method_probes()) {
4073 Values* args = new Values(1);
4074 args->push(append(new Constant(new MethodConstant(method()))));
4075 append(new RuntimeCall(voidType, "dtrace_method_entry", CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_entry), args));
4076 }
4077
4078 if (profile_inlined_calls()) {
4079 profile_invocation(callee, copy_state_before_with_bci(SynchronizationEntryBCI));
4080 }
4081
4082 BlockBegin* callee_start_block = block_at(0);
4083 if (callee_start_block != nullptr) {
4084 assert(callee_start_block->is_set(BlockBegin::parser_loop_header_flag), "must be loop header");
4085 Goto* goto_callee = new Goto(callee_start_block, false);
4086 // The state for this goto is in the scope of the callee, so use
4087 // the entry bci for the callee instead of the call site bci.
4088 append_with_bci(goto_callee, 0);
4089 _block->set_end(goto_callee);
4090 callee_start_block->merge(callee_state, compilation()->has_irreducible_loops());
4091
4092 _last = _block = callee_start_block;
4093
4094 scope_data()->add_to_work_list(callee_start_block);
4095 }
4096
4097 // Clear out bytecode stream
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24
25 #include "precompiled.hpp"
26 #include "c1/c1_CFGPrinter.hpp"
27 #include "c1/c1_Canonicalizer.hpp"
28 #include "c1/c1_Compilation.hpp"
29 #include "c1/c1_GraphBuilder.hpp"
30 #include "c1/c1_InstructionPrinter.hpp"
31 #include "ci/ciCallSite.hpp"
32 #include "ci/ciField.hpp"
33 #include "ci/ciKlass.hpp"
34 #include "ci/ciMemberName.hpp"
35 #include "ci/ciSymbols.hpp"
36 #include "ci/ciUtilities.inline.hpp"
37 #include "classfile/javaClasses.hpp"
38 #include "compiler/compilationPolicy.hpp"
39 #include "compiler/compileBroker.hpp"
40 #include "compiler/compilerEvent.hpp"
41 #include "interpreter/bytecode.hpp"
42 #include "jfr/jfrEvents.hpp"
43 #include "memory/resourceArea.hpp"
44 #include "oops/oop.inline.hpp"
45 #include "runtime/runtimeUpcalls.hpp"
46 #include "runtime/sharedRuntime.hpp"
47 #include "utilities/checkedCast.hpp"
48 #include "utilities/macros.hpp"
49 #if INCLUDE_JFR
50 #include "jfr/jfr.hpp"
51 #endif
52
53 class BlockListBuilder {
54 private:
55 Compilation* _compilation;
56 IRScope* _scope;
57
58 BlockList _blocks; // internal list of all blocks
59 BlockList* _bci2block; // mapping from bci to blocks for GraphBuilder
60 GrowableArray<BlockList> _bci2block_successors; // Mapping bcis to their blocks successors while we dont have a blockend
61
62 // fields used by mark_loops
63 ResourceBitMap _active; // for iteration of control flow graph
64 ResourceBitMap _visited; // for iteration of control flow graph
65 GrowableArray<ResourceBitMap> _loop_map; // caches the information if a block is contained in a loop
4060 caller_state->truncate_stack(args_base);
4061 assert(callee_state->stack_size() == 0, "callee stack must be empty");
4062
4063 Value lock = nullptr;
4064 BlockBegin* sync_handler = nullptr;
4065
4066 // Inline the locking of the receiver if the callee is synchronized
4067 if (callee->is_synchronized()) {
4068 lock = callee->is_static() ? append(new Constant(new InstanceConstant(callee->holder()->java_mirror())))
4069 : state()->local_at(0);
4070 sync_handler = new BlockBegin(SynchronizationEntryBCI);
4071 inline_sync_entry(lock, sync_handler);
4072 }
4073
4074 if (compilation()->env()->dtrace_method_probes()) {
4075 Values* args = new Values(1);
4076 args->push(append(new Constant(new MethodConstant(method()))));
4077 append(new RuntimeCall(voidType, "dtrace_method_entry", CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_entry), args));
4078 }
4079
4080 MethodDetails method_details(callee);
4081 RuntimeUpcallInfo* upcall = RuntimeUpcalls::get_first_upcall(RuntimeUpcallType::onMethodEntry, method_details);
4082 while (upcall != nullptr) {
4083 Values* args = new Values(0);
4084 append(new RuntimeCall(voidType, upcall->upcall_name(), upcall->upcall_address(), args));
4085 upcall = RuntimeUpcalls::get_next_upcall(RuntimeUpcallType::onMethodEntry, method_details, upcall);
4086 }
4087
4088 if (profile_inlined_calls()) {
4089 profile_invocation(callee, copy_state_before_with_bci(SynchronizationEntryBCI));
4090 }
4091
4092 BlockBegin* callee_start_block = block_at(0);
4093 if (callee_start_block != nullptr) {
4094 assert(callee_start_block->is_set(BlockBegin::parser_loop_header_flag), "must be loop header");
4095 Goto* goto_callee = new Goto(callee_start_block, false);
4096 // The state for this goto is in the scope of the callee, so use
4097 // the entry bci for the callee instead of the call site bci.
4098 append_with_bci(goto_callee, 0);
4099 _block->set_end(goto_callee);
4100 callee_start_block->merge(callee_state, compilation()->has_irreducible_loops());
4101
4102 _last = _block = callee_start_block;
4103
4104 scope_data()->add_to_work_list(callee_start_block);
4105 }
4106
4107 // Clear out bytecode stream
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