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re PR tree-optimization/69209 (ICE at -Os and above on x86_64-linux-gnu (verify_gimple failed))

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PR tree-optimization/69209
	* ipa-split.c (split_function): If split part is not
	returning retval, retval has gimple type but is not
	gimple value, force it into a SSA_NAME first.

	* gcc.c-torture/compile/pr69209.c: New test.

From-SVN: r233228
This commit is contained in:
Jakub Jelinek 2016-02-08 21:07:56 +01:00 • committed by Jakub Jelinek
parent 4b4a9fbde8
commit a162f3af80
4 changed files with 55 additions and 1 deletions
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7
gcc/ChangeLog
View file

@ -1,3 +1,10 @@
2016-02-08 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/69209
* ipa-split.c (split_function): If split part is not
returning retval, retval has gimple type but is not
gimple value, force it into a SSA_NAME first.
2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
* doc/tree-ssa.texi (Preserving the virtual SSA form): Remove

16
gcc/ipa-split.c
View file

@ -1628,8 +1628,22 @@ split_function (basic_block return_bb, struct split_point *split_point,
gimple_call_set_lhs (call, build_simple_mem_ref (retval));
else
gimple_call_set_lhs (call, retval);
gsi_insert_after (&gsi, call, GSI_NEW_STMT);
}
else
{
gsi_insert_after (&gsi, call, GSI_NEW_STMT);
if (retval
&& is_gimple_reg_type (TREE_TYPE (retval))
&& !is_gimple_val (retval))
{
gassign *g
= gimple_build_assign (make_ssa_name (TREE_TYPE (retval)),
retval);
retval = gimple_assign_lhs (g);
gsi_insert_after (&gsi, g, GSI_NEW_STMT);
}
}
gsi_insert_after (&gsi, call, GSI_NEW_STMT);
/* Build bndret call to obtain returned bounds. */
if (retbnd)
chkp_insert_retbnd_call (retbnd, retval, &gsi);

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2016-02-08 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/69209
* gcc.c-torture/compile/pr69209.c: New test.
2016-02-08 Jeff Law <law@redhat.com>
PR tree-optimization/68541

28
gcc/testsuite/gcc.c-torture/compile/pr69209.c Normal file
View file

@ -0,0 +1,28 @@
/* PR tree-optimization/69209 */
int a, c, *d, e;
void foo (void) __attribute__ ((__noreturn__));
int
bar (void)
{
int f;
if (a)
{
if (e)
foo ();
foo ();
}
if (d != &f)
foo ();
if (!c)
foo ();
return f;
}
void
baz ()
{
bar ();
}