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re PR tree-optimization/81369 (ICE in generate_code_for_partition)

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PR target/81369
	* tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
	function sort_partitions_by_post_order.

	gcc/testsuite
	* gcc.dg/tree-ssa/pr81369.c: New.

From-SVN: r250269
This commit is contained in:
Bin Cheng 2017-07-17 11:38:15 +00:00 • committed by Bin Cheng
parent 3fb824520b
commit aa1528b5c9
4 changed files with 36 additions and 1 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2017-07-17 Bin Cheng <bin.cheng@arm.com>
PR target/81369
* tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
function sort_partitions_by_post_order.
2017-07-17 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/81374

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2017-07-17 Bin Cheng <bin.cheng@arm.com>
PR target/81369
* gcc.dg/tree-ssa/pr81369.c: New.
2017-07-17 Claudiu Zissulescu <claziss@synopsys.com>
* gcc.target/arc/pr9000674901.c: New file.

23
gcc/testsuite/gcc.dg/tree-ssa/pr81369.c Normal file
View file

@ -0,0 +1,23 @@
/* { dg-do compile } */
/* { dg-options "-O2 -ftree-loop-distribution" } */
typedef __PTRDIFF_TYPE__ intptr_t;
int wo;
void
sy (long int *as)
{
for (;;)
{
*as = wo;
while (as < (long int *) (void *) 2)
{
int *y9;
if (wo != 0)
*y9 = (int) (intptr_t) &wo;
wo /= (wo != 0 && *y9 != 0);
++as;
}
}
}

3
gcc/tree-loop-distribution.c
View file

@ -1997,8 +1997,9 @@ merge_dep_scc_partitions (struct graph *rdg,
data->partition = NULL;
}
}
sort_partitions_by_post_order (pg, partitions);
}
sort_partitions_by_post_order (pg, partitions);
gcc_assert (partitions->length () == (unsigned)num_sccs);
free_partition_graph_vdata (pg);
free_graph (pg);