Jan Hubicka <hubi...@ucw.cz> writes: > Hi, > this patch adds support for speculative calls into callgraph. The idea is > that > any IPA optimization that believes it knows likely target of an indirect call > (currently I use it for cross-module indirect call profiling, but I expect > Martin J. can easily add support for ipa-cp and I hope to add speculative > devirtualization in foreseeable future since it should make difference for > Firefox). Speculative call replaces indirect call
Patch appears to break boot strap on x86_64-linux (or maybe your other one) 0x827ab7 crash_signal ../../gcc/gcc/toplev.c:335 0x827ab7 crash_signal ../../gcc/gcc/toplev.c:335 0x827ab7 crash_signal ../../gcc/gcc/toplev.c:335 0x827ab7 crash_signal ../../gcc/gcc/toplev.c:335 0x827ab7 crash_signal ../../gcc/gcc/toplev.c:335 0x827ab7 crash_signal ../../gcc/gcc/toplev.c:335 0x827ab7 crash_signal ../../gcc/gcc/toplev.c:335 0x5d0c6c cgraph_speculative_call_info(cgraph_edge*, cgraph_edge*&, cgraph_edge*&, ipa_ref*&) ../../gcc/gcc/cgraph.c:1098 0x5d1270 cgraph_set_call_stmt(cgraph_edge*, gimple_statement_d*, bool) ../../gcc/gcc/cgraph.c:774 0x5d0c6c cgraph_speculative_call_info(cgraph_edge*, cgraph_edge*&, cgraph_edge*&, ipa_ref*&) ../../gcc/gcc/cgraph.c:1098 0x5d1270 cgraph_set_call_stmt(cgraph_edge*, gimple_statement_d*, bool) ../../gcc/gcc/cgraph.c:774 0x5d0c6c cgraph_speculative_call_info(cgraph_edge*, cgraph_edge*&, cgraph_edge*&, ipa_ref*&) ../../gcc/gcc/cgraph.c:1098 ... -Andi -- a...@linux.intel.com -- Speaking for myself only