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re PR middle-end/54409 (internal compiler error: in remap_predicate, at ipa-inline-analysis.c:2710)

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2012-08-31  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/54409
	* ipa-inline-analysis.c (remap_predicate): Fix the offset_map
	checking condition.

	* gcc/testsuite/gcc.dg/torture/pr54409.c: New test.

From-SVN: r190833
This commit is contained in:
Martin Jambor 2012-08-31 16:05:45 +02:00 committed by Martin Jambor
parent 48679f6e24
commit 0336096575
4 changed files with 44 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-08-31 Martin Jambor <mjambor@suse.cz>
PR middle-end/54409
* ipa-inline-analysis.c (remap_predicate): Fix the offset_map
checking condition.
2012-08-31 Martin Jambor <mjambor@suse.cz>
* ipa-inline-analysis.c (phi_result_unknown_predicate): New function.

7
gcc/ipa-inline-analysis.c
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@ -2811,8 +2811,11 @@ remap_predicate (struct inline_summary *info,
if (!operand_map
|| (int)VEC_length (int, operand_map) <= c->operand_num
|| VEC_index (int, operand_map, c->operand_num) == -1
|| (!c->agg_contents
&& VEC_index (int, offset_map, c->operand_num) != 0)
/* TODO: For non-aggregate conditions, adding an offset is
basically an arithmetic jump function processing which
we should support in future. */
|| ((!c->agg_contents || !c->by_ref)
&& VEC_index (int, offset_map, c->operand_num) > 0)
|| (c->agg_contents && c->by_ref
&& VEC_index (int, offset_map, c->operand_num) < 0))
cond_predicate = true_predicate ();

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2012-08-31 Martin Jambor <mjambor@suse.cz>
PR middle-end/54409
* gcc.dg/torture/pr54409.c: New test.
2012-08-31 Martin Jambor <mjambor@suse.cz>
* gfortran.dg/pr48636.f90: Add dump scan checks.

28
gcc/testsuite/gcc.dg/torture/pr54409.c Normal file
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@ -0,0 +1,28 @@
/* { dg-do compile } */
int b;
struct S
{
char *p;
struct {
} s;
int a;
};
static _Bool
fn2 (int *p1)
{
if (b)
{
struct S *c = (struct S *) &p1;
return c->a;
}
}
_Bool
fn3 (struct S *p1)
{
if (fn2 ((int *) &p1->s))
return 0;
}