r216330 - in /branches/gcc-4_9-branch/gcc: Chan...

[ygribov@gcc.gnu.org]

Author: ygribov
Date: Thu Oct 16 13:51:45 2014
New Revision: 216330

URL: https://gcc.gnu.org/viewcvs?rev=216330&root=gcc&view=rev
Log:
Move inlining of Asan memory checks to sanopt pass.
Change asan-instrumentation-with-call-threshold to more closely match LLVM.

2014-10-16  Yury Gribov  <y.gribov@samsung.com>

	Backport from mainline
	2014-08-11  Yury Gribov  <y.gribov@samsung.com>

	* asan.c (asan_check_flags): New enum.
	(build_check_stmt_with_calls): Removed function.
	(build_check_stmt): Split inlining logic to
	asan_expand_check_ifn.
	(instrument_derefs): Rename parameter.
	(instrument_mem_region_access): Rename parameter.
	(instrument_strlen_call): Likewise.
	(asan_expand_check_ifn): New function.
	(asan_instrument): Remove old code.
	(pass_sanopt::execute): Change handling of
	asan-instrumentation-with-call-threshold.
	(asan_clear_shadow): Fix formatting.
	(asan_function_start): Likewise.
	(asan_emit_stack_protection): Likewise.
	* doc/invoke.texi (asan-instrumentation-with-call-threshold):
	Update description.
	* internal-fn.c (expand_ASAN_CHECK): New function.
	* internal-fn.def (ASAN_CHECK): New internal function.
	* params.def (PARAM_ASAN_INSTRUMENTATION_WITH_CALL_THRESHOLD):
	Update description.
	(PARAM_ASAN_USE_AFTER_RETURN): Likewise.
	* tree.c: Small comment fix.

	* c-c++-common/asan/inc.c: Update test.
	* c-c++-common/asan/instrument-with-calls-2.c: Likewise.
	* c-c++-common/asan/no-redundant-instrumentation-1.c: Likewise.
	* c-c++-common/asan/no-redundant-instrumentation-2.c: Likewise.
	* c-c++-common/asan/no-redundant-instrumentation-3.c: Likewise.
	* c-c++-common/asan/no-redundant-instrumentation-4.c: Likewise.
	* c-c++-common/asan/no-redundant-instrumentation-5.c: Likewise.
	* c-c++-common/asan/no-redundant-instrumentation-6.c: Likewise.
	* c-c++-common/asan/no-redundant-instrumentation-7.c: Likewise.
	* c-c++-common/asan/no-redundant-instrumentation-8.c: Likewise.
	* c-c++-common/asan/no-redundant-instrumentation-9.c: Likewise.

Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/asan.c
    branches/gcc-4_9-branch/gcc/doc/invoke.texi
    branches/gcc-4_9-branch/gcc/internal-fn.c
    branches/gcc-4_9-branch/gcc/internal-fn.def
    branches/gcc-4_9-branch/gcc/params.def
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/inc.c
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/instrument-with-calls-2.c
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-1.c
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-2.c
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-3.c
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-4.c
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-5.c
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-6.c
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-7.c
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-8.c
    branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-9.c
    branches/gcc-4_9-branch/gcc/tree.c