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-ftree-loop-distribution)
2016-05-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/71253
* cfganal.h (control_dependences): Make robust against edge
and BB removal.
(control_dependences::control_dependences): Remove edge_list argument.
(control_dependences::get_edge): Remove.
(control_dependences::get_edge_src): Add.
(control_dependences::get_edge_dest): Likewise.
(control_dependences::m_el): Make a vector of edge src/dest index.
* cfganal.c (control_dependences::find_control_dependence): Adjust.
(control_dependences::control_dependences): Likewise.
(control_dependences::~control_dependence): Likewise.
(control_dependences::get_edge): Remove.
(control_dependences::get_edge_src): Add.
(control_dependences::get_edge_dest): Likewise.
* tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
get_edge_src.
(perform_tree_ssa_dce): Adjust.
* tree-loop-distribution.c (create_edge_for_control_dependence): Use
get_edge_src.
(pass_loop_distribution::execute): Adjust. Do loop destroying
conditional on changed.
* gcc.dg/torture/pr71253.c: New testcase.
From-SVN: r236636
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From-SVN: r232055
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PR middle-end/65337
* tree-ssa-dce.c (bb_postorder): New static var.
(forward_edge_to_pdom): Remove.
(remove_dead_stmt): Instead of redirecting edges only keep an edge
on a path to nearest live BB.
(eliminate_unnecessary_stmts): Free bb_postorder.
* cfganal.c (dfs_find_deadend): Add START_POINTES.
* cfganal.h (inverted_post_order_compute): Update prototype.
From-SVN: r231856
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2015-10-14 Tom de Vries <tom@codesourcery.com>
* cfganal.c (verify_no_unreachable_blocks): New function.
(inverted_post_order_compute) [ENABLE_CHECKING]: Call
verify_no_unreachable_blocks.
cfganal.h (verify_no_unreachable_blocks): Declare.
From-SVN: r228789
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From-SVN: r219188
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2014-10-21 Andrew MacLeod <amacleod@redhat.com>
* cfg.h: New. Header file for cfg.c.
* cfganal.h: New. Header file for cfganal.c.
* lcm.h: New. Header file for lcm.c.
* loop-unroll.h: New. Header file for loop-unroll.h.
* cfgloop.h: (unroll_loops): Remove prototype.
* basic-block.h: Move prototypes and structs to new header files.
Include cfg.h, cfganal.h, and lcm.h.
* loop-init.c: Include loop-unroll.h.
* loop-unroll.c: (referenced_in_one_insn_in_loop_p): Make static.
* modulo-sched.c: Include loop-unroll.h.
From-SVN: r216518
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