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[Bug middle-end/46242] Segmentation fault in ipcp_driver
- From: "jamborm at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 15 Dec 2010 13:20:15 +0000
- Subject: [Bug middle-end/46242] Segmentation fault in ipcp_driver
- Auto-submitted: auto-generated
- References: <bug-46242-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46242
--- Comment #4 from Martin Jambor <jamborm at gcc dot gnu.org> 2010-12-15 13:19:51 UTC ---
Author: jamborm
Date: Wed Dec 15 13:19:46 2010
New Revision: 167855
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167855
Log:
2010-12-15 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/46053
PR middle-end/46287
PR middle-end/46242
* cgraph.h (cgraph_indirect_call_info): New field thunk_delta.
* gimple.h (gimple_fold_obj_type_ref): Declaration removed.
(gimple_fold_call): Declare.
(gimple_adjust_this_by_delta): Likewise.
* cgraph.c (cgraph_make_edge_direct): New parameter delta. Updated
all users.
(cgraph_clone_edge): Create a copy of indirect_info also for direct
edges.
* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Adjust this
parameters.
* gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Renamed to
gimple_get_virt_mehtod_for_binfo, new parameter delta. Do not search
through thunks, in fact bail out if we encounter one, check that
BINFO_VIRTUALS is not NULL.
(gimple_adjust_this_by_delta): New function.
(gimple_fold_obj_type_ref): Removed.
(gimple_fold_obj_type_ref_call): New function.
(fold_gimple_call): Renamed to gimple_fold_call, made external.
Updated users. Call gimple_fold_obj_type_ref_call instead of
gimple_fold_obj_type_ref.
* ipa-cp.c (ipcp_process_devirtualization_opportunities): Process
thunk deltas.
(ipcp_discover_new_direct_edges): Likewise.
* ipa-prop.c (ipa_make_edge_direct_to_target): New parameter delta.
Updated callers.
(ipa_write_indirect_edge_info): Stream thunk_delta.
(ipa_read_indirect_edge_info): Likewise.
* tree-ssa-ccp.c (ccp_fold_stmt): Use gimple_fold_call instead of
gimple_fold_obj_type_ref.
* testsuite/g++.dg/ipa/pr46053.C: New test.
* testsuite/g++.dg/ipa/pr46287-1.C: Likewise.
* testsuite/g++.dg/ipa/pr46287-2.C: Likewise.
* testsuite/g++.dg/ipa/pr46287-3.C: Likewise.
* testsuite/g++.dg/torture/covariant-1.C: Likewise.
* testsuite/g++.dg/torture/pr46287.C: Likewise.
Added:
trunk/gcc/testsuite/g++.dg/ipa/pr46053.C
trunk/gcc/testsuite/g++.dg/ipa/pr46287-1.C
trunk/gcc/testsuite/g++.dg/ipa/pr46287-2.C
trunk/gcc/testsuite/g++.dg/ipa/pr46287-3.C
trunk/gcc/testsuite/g++.dg/torture/covariant-1.C
trunk/gcc/testsuite/g++.dg/torture/pr46287.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cgraph.c
trunk/gcc/cgraph.h
trunk/gcc/cgraphunit.c
trunk/gcc/gimple-fold.c
trunk/gcc/gimple.h
trunk/gcc/ipa-cp.c
trunk/gcc/ipa-prop.c
trunk/gcc/ipa-prop.h
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c