re PR tree-optimization/47679 (Strange uninitialized warning after SRA)
authorJeff Law <law@redhat.com>
Fri, 17 Apr 2015 19:24:17 +0000 (13:24 -0600)
committerJeff Law <law@gcc.gnu.org>
Fri, 17 Apr 2015 19:24:17 +0000 (13:24 -0600)
commitf6c72af46fbbd30fd01f7bb8c678a252f7be67ba
tree41f20ae69b1cc8265e0980bcc7f92a93610686ec
parent90e00f872d715c6d54742e6bbcafa2ce4f033dc8
re PR tree-optimization/47679 (Strange uninitialized warning after SRA)

PR tree-optimization/47679
* Makefile.in (OBJS); Add tree-ssa-scopedtables.o.
* tree-ssa-scopedtables.c: New file.
* tree-ssa-scopedtables.h: New file.
* tree-ssa-dom.c: Include tree-ssa-scopedtables.h.
(const_and_copies): Change name/type.
(record_const_or_copy): Move into tree-ssa-scopedtables.c
(record_const_or_copy_1): Similarly.
(restore_vars_to_original_value): Similarly.
(pass_dominator::execute): Create and destroy const_and_copies table.
(thread_across_edge): Update passing of const_and_copies.
(record_temporary_equivalence): Use method calls rather than
manipulating const_and_copies directly.
(record_equality, cprop_into_successor_phis): Similarly.
(dom_opt_dom_walker::before_dom_children): Similarly.
(dom_opt_dom_walker::after_dom_children): Similarly.
(eliminate_redundant_computations): Similarly.
* tree-ssa-threadedge.c (remove_temporary_equivalences): Delete.
(record_temporary_equivalence): Likewise.
(invalidate_equivalences): Likewise.
(record_temporary_equivalences_from_phis): Update due to type
change of const_and_copies.  Use method calls rather than
manipulating the stack directly.
(record_temporary_equivalences_from_stmts_at_dest): Likewise.
(thread_through_normal_block, thread_across_edge): Likewise.
(thread_across_edge): Likewise.
* tree-ssa-threadedge.h (thread_across_edge): Update prototype.
* tree-vrp.c: Include tree-ssa-scopedtables.h.  Change type
of equiv_stack.
(identify_jump_threads): Update due to type change of equiv_stack.
(finalize_jump_threads): Delete the equiv_stack when complete.

From-SVN: r222195
gcc/ChangeLog
gcc/Makefile.in
gcc/tree-ssa-dom.c
gcc/tree-ssa-loop-ch.c
gcc/tree-ssa-scopedtables.c [new file with mode: 0644]
gcc/tree-ssa-scopedtables.h [new file with mode: 0644]
gcc/tree-ssa-threadedge.c
gcc/tree-ssa-threadedge.h
gcc/tree-vrp.c