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6667610: (Escape Analysis) retry compilation without EA if it fails

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During split unique types EA could exceed nodes limit and fail the method compilation.

Reviewed-by: rasbold
This commit is contained in:
Vladimir Kozlov 2008-03-06 10:30:17 -08:00
parent 17458c9660
commit bf7f5e1887
7 changed files with 57 additions and 11 deletions
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9
hotspot/src/share/vm/opto/compile.hpp
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@ -31,6 +31,7 @@ class InlineTree;
class Int_Array;
class Matcher;
class MachNode;
class MachSafePointNode;
class Node;
class Node_Array;
class Node_Notes;
@ -52,9 +53,6 @@ class TypeFunc;
class Unique_Node_List;
class nmethod;
class WarmCallInfo;
#ifdef ENABLE_ZAP_DEAD_LOCALS
class MachSafePointNode;
#endif
//------------------------------Compile----------------------------------------
// This class defines a top-level Compiler invocation.
@ -127,6 +125,7 @@ class Compile : public Phase {
const int _compile_id;
const bool _save_argument_registers; // save/restore arg regs for trampolines
const bool _subsume_loads; // Load can be matched as part of a larger op.
const bool _do_escape_analysis; // Do escape analysis.
ciMethod* _method; // The method being compiled.
int _entry_bci; // entry bci for osr methods.
const TypeFunc* _tf; // My kind of signature
@ -260,6 +259,8 @@ class Compile : public Phase {
// instructions that subsume a load may result in an unschedulable
// instruction sequence.
bool subsume_loads() const { return _subsume_loads; }
// Do escape analysis.
bool do_escape_analysis() const { return _do_escape_analysis; }
bool save_argument_registers() const { return _save_argument_registers; }
@ -560,7 +561,7 @@ class Compile : public Phase {
// replacement, entry_bci indicates the bytecode for which to compile a
// continuation.
Compile(ciEnv* ci_env, C2Compiler* compiler, ciMethod* target,
int entry_bci, bool subsume_loads);
int entry_bci, bool subsume_loads, bool do_escape_analysis);
// Second major entry point. From the TypeFunc signature, generate code
// to pass arguments from the Java calling convention to the C calling