tsan.c: Fix up comment formatting.

* tsan.c: Fix up comment formatting.
	(instrument_gimple): Ignore gimple_clobber_p stmts.
	(pass_tsan, pass_tsan_O0): Remove TODO_update_address_taken
	from todo_flags_finish.

From-SVN: r193755
This commit is contained in:
Jakub Jelinek 2012-11-23 15:28:19 +01:00 committed by Jakub Jelinek
parent 9b17f12bdc
commit 8ddf5c28ea
2 changed files with 14 additions and 10 deletions

View file

@ -1,5 +1,10 @@
2012-11-23 Jakub Jelinek <jakub@redhat.com>
* tsan.c: Fix up comment formatting.
(instrument_gimple): Ignore gimple_clobber_p stmts.
(pass_tsan, pass_tsan_O0): Remove TODO_update_address_taken
from todo_flags_finish.
PR sanitizer/55435
* asan.c (gate_asan): Don't instrument functions with
no_address_safety_analysis attribute.

View file

@ -105,7 +105,7 @@ is_load_of_const_p (tree expr, bool is_write)
}
/* Instruments EXPR if needed. If any instrumentation is inserted,
* return true. */
return true. */
static bool
instrument_expr (gimple_stmt_iterator gsi, tree expr, bool is_write)
@ -159,7 +159,7 @@ instrument_expr (gimple_stmt_iterator gsi, tree expr, bool is_write)
|| bitsize != size * BITS_PER_UNIT)
return false;
/* TODO: handle other case: ARRAY_RANGE_REF. */
/* TODO: handle other case: ARRAY_RANGE_REF. */
if (tcode != ARRAY_REF
&& tcode != VAR_DECL
&& tcode != COMPONENT_REF
@ -195,7 +195,7 @@ instrument_expr (gimple_stmt_iterator gsi, tree expr, bool is_write)
{
/* If the call can throw, it must be the last stmt in
a basic block, so the instrumented stmts need to be
inserted in successor bbs. */
inserted in successor bbs. */
if (is_ctrl_altering_stmt (stmt))
{
edge e;
@ -215,7 +215,7 @@ instrument_expr (gimple_stmt_iterator gsi, tree expr, bool is_write)
}
/* Instruments the gimple pointed to by GSI. Return
* true if func entry/exit should be instrumented. */
true if func entry/exit should be instrumented. */
static bool
instrument_gimple (gimple_stmt_iterator gsi)
@ -229,7 +229,8 @@ instrument_gimple (gimple_stmt_iterator gsi)
&& (gimple_call_fndecl (stmt)
!= builtin_decl_implicit (BUILT_IN_TSAN_INIT)))
return true;
else if (is_gimple_assign (stmt))
else if (is_gimple_assign (stmt)
&& !gimple_clobber_p (stmt))
{
if (gimple_store_p (stmt))
{
@ -246,7 +247,7 @@ instrument_gimple (gimple_stmt_iterator gsi)
}
/* Instruments all interesting memory accesses in the current function.
* Return true if func entry/exit should be instrumented. */
Return true if func entry/exit should be instrumented. */
static bool
instrument_memory_accesses (void)
@ -371,8 +372,7 @@ struct gimple_opt_pass pass_tsan =
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
TODO_verify_all | TODO_update_ssa
| TODO_update_address_taken /* todo_flags_finish */
TODO_verify_all | TODO_update_ssa /* todo_flags_finish */
}
};
@ -399,7 +399,6 @@ struct gimple_opt_pass pass_tsan_O0 =
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
TODO_verify_all | TODO_update_ssa
| TODO_update_address_taken /* todo_flags_finish */
TODO_verify_all | TODO_update_ssa /* todo_flags_finish */
}
};