[Bug tree-optimization/85063] Support switch conversion in offloading functions

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85063

--- Comment #10 from Tom de Vries <vries at gcc dot gnu.org> ---
Author: vries
Date: Mon Mar 26 09:45:49 2018
New Revision: 258852

URL: https://gcc.gnu.org/viewcvs?rev=258852&root=gcc&view=rev
Log:
Fix switch conversion in offloading functions

2018-03-26  Tom de Vries  <t...@codesourcery.com>

        PR tree-optimization/85063
        * omp-general.c (offloading_function_p): New function.  Factor out
        of ...
        * omp-offload.c (pass_omp_target_link::gate): ... here.
        * omp-general.h (offloading_function_p): Declare.
        * tree-switch-conversion.c (build_one_array): Mark CSWTCH.x variable
        with attribute omp declare target for offloading functions.

        * testsuite/libgomp.c/switch-conversion-2.c: New test.
        * testsuite/libgomp.c/switch-conversion.c: New test.
        * testsuite/libgomp.oacc-c-c++-common/switch-conversion-2.c: New test.
        * testsuite/libgomp.oacc-c-c++-common/switch-conversion.c: New test.

Added:
    trunk/libgomp/testsuite/libgomp.c/switch-conversion-2.c
    trunk/libgomp/testsuite/libgomp.c/switch-conversion.c
    trunk/libgomp/testsuite/libgomp.oacc-c-c++-common/switch-conversion-2.c
    trunk/libgomp/testsuite/libgomp.oacc-c-c++-common/switch-conversion.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/omp-general.c
    trunk/gcc/omp-general.h
    trunk/gcc/omp-offload.c
    trunk/gcc/tree-switch-conversion.c
    trunk/libgomp/ChangeLog