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David Malcolm 5d98e5a6bc Fix -fopt-info for plugin passes
Attempts to dump via -fopt-info from a plugin pass fail, due
to the dfi->alt_state for such passes never being set.

This is because the -fopt-info options were being set up per-pass
during option-parsing (via gcc::dump_manager::opt_info_enable_passes),
but this data was not retained or used it for passes created later
(for plugins and target-specific passes).

This patch fixes the issue by storing the -fopt-info options into
gcc::dump_manager, refactoring the dfi-setup code out of
opt_info_enable_passes, and reusing it for such passes, fixing the
issue.  The patch adds a demo plugin to test that dumping from a
plugin works.

gcc/ChangeLog:
	* dumpfile.c (gcc::dump_manager::dump_manager): Initialize new
	fields.
	(gcc::dump_manager::~dump_manager): Free m_optinfo_filename.
	(gcc::dump_manager::register_pass): New member function, adapted
	from loop body in gcc::pass_manager::register_pass, adding a
	call to update_dfi_for_opt_info.
	(gcc::dump_manager::opt_info_enable_passes): Store the
	-fopt-info options into the new fields.  Move the loop
	bodies into...
	(gcc::dump_manager::update_dfi_for_opt_info): ...this new member
	function.
	* dumpfile.h (struct opt_pass): New forward decl.
	(gcc::dump_manager::register_pass): New decl.
	(gcc::dump_manager::update_dfi_for_opt_info): New decl.
	(class gcc::dump_manager): Add fields "m_optgroup_flags",
	"m_optinfo_flags", and "m_optinfo_filename".
	* passes.c (gcc::pass_manager::register_pass): Move all of the
	dump-handling code to gcc::dump_manager::register_pass.

gcc/testsuite/ChangeLog:
	* gcc.dg/plugin/dump-1.c: New test.
	* gcc.dg/plugin/dump_plugin.c: New test plugin.
	* gcc.dg/plugin/plugin.exp (plugin_test_list): Add the above.

From-SVN: r264844
2018-10-04 14:33:47 +00:00
config Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
contrib contrib: Add unused_functions.py script 2018-10-04 10:59:12 +02:00
fixincludes fixincludes: vxworks: remove unnecessary parentheses in ioctl wrapper macro 2018-09-03 13:26:45 +00:00
gcc Fix -fopt-info for plugin passes 2018-10-04 14:33:47 +00:00
gnattools
gotools Ignore chmod errors during mostlyclean-local, check-go-tool 2018-09-26 12:56:09 +00:00
include Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
INSTALL
intl libgnuintl.h (_INTL_MAY_RETURN_STRING_ARG, [...]): Backport changes from upstream gettext. 2018-09-18 22:08:49 -06:00
libada Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libatomic Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libbacktrace Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libcc1 PR c++/69560 - wrong alignof(double) on x86. 2018-04-23 16:49:38 -04:00
libcpp Add range_idx param to range_label::get_text 2018-09-17 23:32:12 +00:00
libdecnumber Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libffi Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libgcc Fix divergence in indirect profiling (PR gcov-profile/84107). 2018-10-04 12:41:14 +00:00
libgfortran * io/close.c [!HAVE_UNLINK_OPEN_FILE]: Include <string.h>. 2018-10-02 20:02:03 +00:00
libgo internal/bytealg: support systems that don't have memmem 2018-10-02 16:45:51 +00:00
libgomp [nvptx] Remove use of CUDA unified memory in libgomp 2018-09-18 08:41:54 -07:00
libhsail-rt [BRIGFE] phsa-specific optimizations 2018-05-04 19:43:57 +00:00
libiberty [libiberty] Use pipe inside pex_run 2018-10-01 18:46:51 +00:00
libitm Remove nfs bogon 2018-08-03 14:53:48 -06:00
libobjc Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
liboffloadmic
libquadmath Regenerate configure of target libraries 2018-04-24 09:45:26 -07:00
libsanitizer Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libssp Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libstdc++-v3 PR libstdc++/59439 optimize uses of classic ("C") std::locale 2018-10-03 12:27:40 +01:00
libvtv Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
lto-plugin Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
maintainer-scripts re PR other/85622 (gcc-8.1.0/NEWS says it's not released yet) 2018-05-03 11:29:39 +02:00
zlib Allow building of the zlib component when the building takes place in the source directory. 2018-06-19 11:49:08 +00:00
.dir-locals.el
.gitattributes
.gitignore
ABOUT-NLS
ChangeLog Add self to maintainers list. 2018-09-13 16:11:29 +00:00
ChangeLog.jit
ChangeLog.tree-ssa
compile
config-ml.in
config.guess Update config.guess and config.sub 2018-07-06 05:57:35 +00:00
config.rpath
config.sub Update config.sub 2018-07-06 06:22:08 +00:00
configure Introduce @unless/@endunless and postbootstrap Makefile targets 2018-06-30 02:47:29 +00:00
configure.ac Introduce @unless/@endunless and postbootstrap Makefile targets 2018-06-30 02:47:29 +00:00
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.RUNTIME
depcomp
install-sh
libtool-ldflags
libtool.m4 libtool.m4: Sort output of 'find' to enable deterministic builds. 2018-07-05 13:13:45 -06:00
lt~obsolete.m4
ltgcc.m4
ltmain.sh libtool.m4: Sort output of 'find' to enable deterministic builds. 2018-07-05 13:13:45 -06:00
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS Add self to maintainers list. 2018-09-13 16:11:29 +00:00
Makefile.def Makefile.def (fortran): Add check-target-libgomp-fortran. 2018-06-18 22:01:58 +00:00
Makefile.in Introduce @unless/@endunless and postbootstrap Makefile targets 2018-06-30 02:47:29 +00:00
Makefile.tpl Introduce @unless/@endunless and postbootstrap Makefile targets 2018-06-30 02:47:29 +00:00
missing
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README
symlink-tree
ylwrap

This directory contains the GNU Compiler Collection (GCC).

The GNU Compiler Collection is free software.  See the files whose
names start with COPYING for copying permission.  The manuals, and
some of the runtime libraries, are under different terms; see the
individual source files for details.

The directory INSTALL contains copies of the installation information
as HTML and plain text.  The source of this information is
gcc/doc/install.texi.  The installation information includes details
of what is included in the GCC sources and what files GCC installs.

See the file gcc/doc/gcc.texi (together with other files that it
includes) for usage and porting information.  An online readable
version of the manual is in the files gcc/doc/gcc.info*.

See http://gcc.gnu.org/bugs/ for how to report bugs usefully.

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inclusive, is a copyrightable year that could otherwise be listed
individually.