Re: [Patch,tree-optimization]: Add new path Splitting pass on tree ssa representation

[Tom de Vries]

On 14/11/15 00:35, Jeff Law wrote:
Anyway, bootstrapped and regression tested on x86_64-linux-gnu.
Installed on the trunk.

     [Patch,tree-optimization]: Add new path Splitting pass on tree ssa
     representation

        * Makefile.in (OBJS): Add gimple-ssa-split-paths.o
        * common.opt (-fsplit-paths): New flag controlling path splitting.
        * doc/invoke.texi (fsplit-paths): Document.
        * opts.c (default_options_table): Add -fsplit-paths to -O2.
        * passes.def: Add split_paths pass.
        * timevar.def (TV_SPLIT_PATHS): New timevar.
        * tracer.c: Include "tracer.h"
        (ignore_bb_p): No longer static.
        (transform_duplicate): New function, broken out of tail_duplicate.
        (tail_duplicate): Use transform_duplicate.
        * tracer.h (ignore_bb_p): Declare
        (transform_duplicate): Likewise.
        * tree-pass.h (make_pass_split_paths): Declare.
        * gimple-ssa-split-paths.c: New file.

        * gcc.dg/tree-ssa/split-path-1.c: New test.

I've filed PR68402 - FAIL: gcc.dg/tree-ssa/split-path-1.c execution test 
with -m32.

Thanks,
- Tom