OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ipa: do not DECL_IS_MALLOC for void fns

Browse Source 
gcc/ChangeLog:

	PR ipa/98075
	* cgraph.c (cgraph_node::dump): Dump decl_is_malloc flag.
	* ipa-pure-const.c (propagate_malloc): Do not set malloc
	attribute for void functions.

gcc/testsuite/ChangeLog:

	PR ipa/98075
	* g++.dg/ipa/pr98075.C: New test.
This commit is contained in:
Martin Liska 2020-12-02 13:01:47 +01:00
parent 694d4a6d0c
commit f5850e7da9
3 changed files with 34 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
gcc/cgraph.c
View File

@ -2190,6 +2190,8 @@ cgraph_node::dump (FILE *f)
fprintf (f, " optimize_size");
if (parallelized_function)
fprintf (f, " parallelized_function");
if (DECL_IS_MALLOC (decl))
fprintf (f, " decl_is_malloc");
if (DECL_IS_OPERATOR_NEW_P (decl))
fprintf (f, " %soperator_new",
DECL_IS_REPLACEABLE_OPERATOR (decl) ? "replaceable_" : "");

3
gcc/ipa-pure-const.c
View File

@ -1973,7 +1973,8 @@ propagate_malloc (void)
funct_state l = funct_state_summaries->get (node);
if (!node->alias
&& l->malloc_state == STATE_MALLOC
&& !node->inlined_to)
&& !node->inlined_to
&& !VOID_TYPE_P (TREE_TYPE (TREE_TYPE (node->decl))))
{
if (dump_file && (dump_flags & TDF_DETAILS))
fprintf (dump_file, "Function %s found to be malloc\n",

30
gcc/testsuite/g++.dg/ipa/pr98075.C Normal file
View File

@ -0,0 +1,30 @@
/* PR ipa/98075 */
/* { dg-do compile } */
/* { dg-options "-O2 -fno-inline" } */
template <typename BS>
class xg {
public:
BS *
fw ()
{
return static_cast<BS *> (operator new (sizeof (BS)));
}
};
class zp : xg<int> {
public:
__attribute__ ((always_inline)) zp ()
{
hy = xg<int>::fw ();
}
private:
int *hy;
};
void
e5 ()
{
zp ix;
}