[gcc/marxin/heads/if-to-switch-v2] Add if-chain to switch conversion pass.

[Martin Liska]

The branch 'marxin/heads/if-to-switch-v2' was updated to point to:

 6efbec6402a... Add if-chain to switch conversion pass.

It previously pointed to:

 eaaeb9691fe... Add if-chain to switch conversion pass.

Diff:

!!! WARNING: THE FOLLOWING COMMITS ARE NO LONGER ACCESSIBLE (LOST):
-------------------------------------------------------------------

  eaaeb96... Add if-chain to switch conversion pass.

commit eaaeb9691fece84a44db52e7a9bac7d7112ce4ff
Author: Martin Liska <mliska@suse.cz>
Date:   Fri Aug 28 10:26:13 2020 +0200

    Add if-chain to switch conversion pass.
    
    gcc/ChangeLog:
    
            PR tree-optimization/14799
            PR ipa/88702
            * Makefile.in: Add new gimple-if-to-switch.o.
            * common.opt: Add new option.
            * dbgcnt.def (DEBUG_COUNTER): Add new debug counter.
            * doc/invoke.texi: Document -fconvert-if-to-switch.
            * opts.c: Add -fconvert-if-to-switch at OPT_LEVELS_2_PLUS.
            * passes.def: Register new pass.
            * timevar.def (TV_TREE_IF_TO_SWITCH): Add new time variable.
            * tree-pass.h (make_pass_if_to_switch): New.
            * tree-switch-conversion.h: New file.
            * gimple-if-to-switch.cc: New file.
    
    gcc/testsuite/ChangeLog:
    
            PR tree-optimization/14799
            PR ipa/88702
            * gcc.dg/tree-ssa/reassoc-32.c: Add -fno-convert-if-to-switch.
            * gcc.dg/tree-ssa/if-to-switch-1.c: New test.
            * gcc.dg/tree-ssa/if-to-switch-2.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-3.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-4.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-5.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-6.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-7.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-8.c: Likewise.


Summary of changes (added commits):
-----------------------------------

  6efbec6... Add if-chain to switch conversion pass.

commit 6efbec6402a0babb0b8ccc2145fbf681e8030786
Author: Martin Liska <mliska@suse.cz>
Date:   Fri Aug 28 10:26:13 2020 +0200

    Add if-chain to switch conversion pass.
    
    gcc/ChangeLog:
    
            PR tree-optimization/14799
            PR ipa/88702
            * Makefile.in: Add new gimple-if-to-switch.o.
            * common.opt: Add new option.
            * dbgcnt.def (DEBUG_COUNTER): Add new debug counter.
            * doc/invoke.texi: Document -fconvert-if-to-switch.
            * opts.c: Add -fconvert-if-to-switch at OPT_LEVELS_2_PLUS.
            * passes.def: Register new pass.
            * timevar.def (TV_TREE_IF_TO_SWITCH): Add new time variable.
            * tree-pass.h (make_pass_if_to_switch): New.
            * tree-switch-conversion.h: New file.
            * gimple-if-to-switch.cc: New file.
    
    gcc/testsuite/ChangeLog:
    
            PR tree-optimization/14799
            PR ipa/88702
            * gcc.dg/tree-ssa/reassoc-32.c: Add -fno-convert-if-to-switch.
            * gcc.dg/tree-ssa/if-to-switch-1.c: New test.
            * gcc.dg/tree-ssa/if-to-switch-2.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-3.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-4.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-5.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-6.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-7.c: Likewise.
            * gcc.dg/tree-ssa/if-to-switch-8.c: Likewise.