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{{merging with more of GCC 6, using
svn merge -r225091:227000 ^/trunk }}
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@233280 138bc75d-0d04-0410-961f-82ee72b054a4
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2016-02-10 Basile Starynkevitch <basile@starynkevitch.net>
{{merging with some of GCC 6, using
svn merge -r222130:226090 ^/trunk ; UNSTABLE}}
[gcc/]
2016-02-10 Basile Starynkevitch <basile@starynkevitch.net>
{{ merging with trunk 226090 ; UNSTABLE }}
* melt-run.proto.h: include tree-ssa-scopedtables.h
* tree-ssa-dom.c: skip second record_edge_info
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@233272 138bc75d-0d04-0410-961f-82ee72b054a4
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MELT branch merged with trunk rev 201298 using svnmerge.py
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@201299 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-vrp.c (find_conditional_asserts): Update comments.
(simplify_stmt_for_jump_threading): New.
(identify_jump_threads, finalize_jump_threads): New.
(vrp_finalize): Call identify_jump_threads.
(execute_vrp): Call finalize_jump_threads.
* tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
(vrp_element, vrp_data, vrp_element_p): Remove.
(vrp_hash_elt, vrp_variables_stack): Remove.
(vrp_hash, vrp_eq, record_range): Remove.
(simplify_cond_and_lookup_avail_expr): Remove.
(extract_range_from_cond): Remove.
(thread_across_edge): Relocated into tree-ssa-threadedge.c.
(simplify_stmt_for_jump_threading): New.
(dom_thread_across_edge): New wrapper.
(tree_ssa_dominator_optimize): No longer initialize or
finalize any of the VRP datastructures. Remove iteration
step and simplify as a result of removal of iteration step.
(pass_dominator): Perform a cfg cleanup after DOM.
(dom_opt_finalize_block): Use the new common routines
for threading jumps. Simplify stack management slightly.
No longer need to unwind VRP state.
(record_equivalences_from_incoming_edge): No longer record
VRP information.
(eliminate_redundant_computations): No longer call
simplify_cond_and_lookup_avail_expr.
* tree-flow.h (potentially_threadable_block): Prototype.
(thread_across_edge): Likewise.
* Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
(tree-ssa-threadedge.o): Add dependencies.
* tree-ssa-threadedge.c: New file.
* passes.c (init_optimization_passes): Merge PHIs before
calling VRP. Run VRP again late in the SSA optimization pipeline.
* gcc.dg/tree-ssa/vrp01.c: Update dumpfile names now that we have
multiple VRP passes.
* gcc.dg/tree-ssa/vrp09.c: Likewise.
* gcc.dg/tree-ssa/vrp18.c: Likewise.
* gcc.dg/tree-ssa/pr21582.c: Likewise.
* gcc.dg/tree-ssa/pr20657.c: Likewise.
* gcc.dg/tree-ssa/pr21001.c: Likewise.
* gcc.dg/tree-ssa/vrp02.c: Likewise
* gcc.dg/tree-ssa/vrp11.c: Likewise
* gcc.dg/tree-ssa/pr14341.c: Likewise
* gcc.dg/tree-ssa/vrp19.c: Likewise
* gcc.dg/tree-ssa/vrp20.c: Likewise
* gcc.dg/tree-ssa/vrp03.c: Likewise
* gcc.dg/tree-ssa/pr21086.c: Likewise
* gcc.dg/tree-ssa/pr21959.c: Likewise
* gcc.dg/tree-ssa/vrp21.c: Likewise
* gcc.dg/tree-ssa/vrp04.c: Likewise
* gcc.dg/tree-ssa/pr25485.c: Likewise
* gcc.dg/tree-ssa/pr22026.c: Likewise
* gcc.dg/tree-ssa/vrp22.c: Likewise
* gcc.dg/tree-ssa/vrp05.c: Likewise
* gcc.dg/tree-ssa/20030807-10.c: Likewise
* gcc.dg/tree-ssa/pr20701.c: Likewise
* gcc.dg/tree-ssa/vrp23.c: Likewise
* gcc.dg/tree-ssa/vrp06.c: Likewise
* gcc.dg/tree-ssa/pr22117.c: Likewise
* gcc.dg/tree-ssa/pr20702.c: Likewise
* gcc.dg/tree-ssa/vrp15.c: Likewise
* gcc.dg/tree-ssa/pr21090.c: Likewise
* gcc.dg/tree-ssa/pr21294.c: Likewise
* gcc.dg/tree-ssa/vrp24.c: Likewise
* gcc.dg/tree-ssa/vrp07.c: Likewise
* gcc.dg/tree-ssa/pr21563.c: Likewise
* gcc.dg/tree-ssa/pr25382.c: Likewise
* gcc.dg/tree-ssa/vrp16.c: Likewise
* gcc.dg/tree-ssa/vrp25.c: Likewise
* gcc.dg/tree-ssa/vrp08.c: Likewise
* gcc.dg/tree-ssa/20030807-6.c: Likewise
* gcc.dg/tree-ssa/vrp17.c: Likewise
* gcc.dg/tree-ssa/pr21458.c: Likewise
* g++.dg/tree-ssa/pr18178.C: Likewise
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110705 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc.dg/tree-ssa/20050314-1.c, gcc.dg/tree-ssa/alias-1.c,
gcc.dg/tree-ssa/phi-opt-1.c, gcc.dg/tree-ssa/phi-opt-2.c,
gcc.dg/tree-ssa/phi-opt-3.c, gcc.dg/tree-ssa/phi-opt-4.c,
gcc.dg/tree-ssa/phi-opt-5.c, gcc.dg/tree-ssa/pr18133-1.c,
gcc.dg/tree-ssa/pr18133-2.c, gcc.dg/tree-ssa/pr18134.c,
gcc.dg/tree-ssa/pr20470.c, gcc.dg/tree-ssa/pr20657.c,
gcc.dg/tree-ssa/pr20702.c, gcc.dg/tree-ssa/pr20913.c,
gcc.dg/tree-ssa/pr21001.c, gcc.dg/tree-ssa/stdarg-1.c,
gcc.dg/tree-ssa/stdarg-2.c, gcc.dg/tree-ssa/stdarg-3.c,
gcc.dg/tree-ssa/stdarg-4.c, gcc.dg/tree-ssa/stdarg-5.c,
gcc.dg/tree-ssa/structopt-1.c, gcc.dg/tree-ssa/structopt-2.c,
gcc.dg/tree-ssa/structopt-3.c: Use cleanup-tree-dump.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@98928 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/21001
* tree-optimize.c (init_tree_optimization_passes): Move the
first pass_forwprop immediately before pass_vrp.
testsuite/
PR tree-optimization/21001
* gcc.dg/tree-ssa/pr21001.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@98309 138bc75d-0d04-0410-961f-82ee72b054a4
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