Mercurial > hg > truffle
diff src/share/vm/opto/bytecodeInfo.cpp @ 17622:849eb7bfceac
8028468: Add inlining information into ciReplay
Summary: Allow dump and replay inlining for specified method during a program execution.
Reviewed-by: roland, twisti
author | kvn |
---|---|
date | Wed, 08 Jan 2014 10:25:50 -0800 |
parents | 55fb97c4c58d |
children | 17ec2d5c43e8 |
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--- a/src/share/vm/opto/bytecodeInfo.cpp Wed Jan 08 12:05:19 2014 +0100 +++ b/src/share/vm/opto/bytecodeInfo.cpp Wed Jan 08 10:25:50 2014 -0800 @@ -50,7 +50,10 @@ _subtrees(c->comp_arena(), 2, 0, NULL), _msg(NULL) { - NOT_PRODUCT(_count_inlines = 0;) +#ifndef PRODUCT + _count_inlines = 0; + _forced_inline = false; +#endif if (_caller_jvms != NULL) { // Keep a private copy of the caller_jvms: _caller_jvms = new (C) JVMState(caller_jvms->method(), caller_tree->caller_jvms()); @@ -81,7 +84,10 @@ _count_inline_bcs(method()->code_size()), _msg(NULL) { - NOT_PRODUCT(_count_inlines = 0;) +#ifndef PRODUCT + _count_inlines = 0; + _forced_inline = false; +#endif assert(!UseOldInlining, "do not use for old stuff"); } @@ -128,9 +134,19 @@ tty->print_cr("Inlined method is hot: "); } set_msg("force inline by CompilerOracle"); + _forced_inline = true; return true; } +#ifndef PRODUCT + int inline_depth = inline_level()+1; + if (ciReplay::should_inline(C->replay_inline_data(), callee_method, caller_bci, inline_depth)) { + set_msg("force inline by ciReplay"); + _forced_inline = true; + return true; + } +#endif + int size = callee_method->code_size_for_inlining(); // Check for too many throws (and not too huge) @@ -264,6 +280,18 @@ } #ifndef PRODUCT + int caller_bci = jvms->bci(); + int inline_depth = inline_level()+1; + if (ciReplay::should_inline(C->replay_inline_data(), callee_method, caller_bci, inline_depth)) { + set_msg("force inline by ciReplay"); + return false; + } + + if (ciReplay::should_not_inline(C->replay_inline_data(), callee_method, caller_bci, inline_depth)) { + set_msg("disallowed by ciReplay"); + return true; + } + if (ciReplay::should_not_inline(callee_method)) { set_msg("disallowed by ciReplay"); return true; @@ -343,6 +371,7 @@ } } + _forced_inline = false; // Reset if (!should_inline(callee_method, caller_method, caller_bci, profile, wci_result)) { return false; @@ -373,10 +402,10 @@ if ((!UseInterpreter || CompileTheWorld) && is_init_with_ea(callee_method, caller_method, C)) { - // Escape Analysis stress testing when running Xcomp or CTW: // inline constructors even if they are not reached. - + } else if (forced_inline()) { + // Inlining was forced by CompilerOracle or ciReplay } else if (profile.count() == 0) { // don't inline unreached call sites set_msg("call site not reached"); @@ -700,12 +729,28 @@ return iltp; } +// Count number of nodes in this subtree +int InlineTree::count() const { + int result = 1; + for (int i = 0 ; i < _subtrees.length(); i++) { + result += _subtrees.at(i)->count(); + } + return result; +} + +void InlineTree::dump_replay_data(outputStream* out) { + out->print(" %d %d ", inline_level(), caller_bci()); + method()->dump_name_as_ascii(out); + for (int i = 0 ; i < _subtrees.length(); i++) { + _subtrees.at(i)->dump_replay_data(out); + } +} #ifndef PRODUCT void InlineTree::print_impl(outputStream* st, int indent) const { for (int i = 0; i < indent; i++) st->print(" "); - st->print(" @ %d ", caller_bci()); + st->print(" @ %d", caller_bci()); method()->print_short_name(st); st->cr();