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ipa-comdats.c (propagate_comdat_group): Walk through thunks.

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gcc/

	* ipa-comdats.c (propagate_comdat_group): Walk through thunks.

gcc/testsuite/

	* gcc.target/i386/mpx/chkp-thunk-comdat-3.c: New.

From-SVN: r221919
This commit is contained in:
Ilya Enkovich 2015-04-08 13:45:20 +00:00 • committed by Ilya Enkovich
parent 47eec99462
commit 930ee1165d
4 changed files with 37 additions and 4 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2015-04-08 Ilya Enkovich <ilya.enkovich@intel.com>
* ipa-comdats.c (propagate_comdat_group): Walk through thunks.
2015-04-08 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (bootstrap-lto-noplugin): Rewrite.

10
gcc/ipa-comdats.c
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@ -142,12 +142,14 @@ propagate_comdat_group (struct symtab_node *symbol,
{
struct symtab_node *symbol2 = edge->caller;
/* If we see inline clone, its comdat group actually
corresponds to the comdat group of the function it is inlined
to. */
if (cgraph_node * cn = dyn_cast <cgraph_node *> (symbol2))
{
/* Thunks can not call across section boundary. */
if (cn->thunk.thunk_p)
newgroup = propagate_comdat_group (symbol2, newgroup, map);
/* If we see inline clone, its comdat group actually
corresponds to the comdat group of the function it
is inlined to. */
if (cn->global.inlined_to)
symbol2 = cn->global.inlined_to;
}

4
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2015-04-08 Ilya Enkovich <ilya.enkovich@intel.com>
* gcc.target/i386/mpx/chkp-thunk-comdat-3.c: New.
2015-04-08 Ilya Enkovich <ilya.enkovich@intel.com>
* gcc/testsuite/gcc.target/i386/thunk-retbnd.c: New.

23
gcc/testsuite/gcc.target/i386/mpx/chkp-thunk-comdat-3.c Normal file
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@ -0,0 +1,23 @@
/* { dg-do compile } */
/* { dg-options "-fcheck-pointer-bounds -mmpx -O -fvisibility=hidden" } */
int val;
static int __attribute__((noinline))
test1 ()
{
return val;
}
static int __attribute__((bnd_legacy,noinline))
test2 ()
{
return test1 ();
}
int
test3 (void)
{
return test2 ();
}