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

re PR tree-optimization/58432 (ICE: in insert_value_copy_on_edge, at tree-outof-ssa.c:233) 

2013-09-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/58432
	* tree-loop-distribution.c (tree_loop_distribution): Also
	scan PHIs for outside loop uses and seed a partition from them.

	* gcc.dg/pr58432.c: New testcase.

From-SVN: r202644
This commit is contained in:
Richard Biener 2013-09-17 07:47:49 +00:00 committed by Richard Biener
parent c068654bb1
commit deb6c11a73
4 changed files with 39 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2013-09-17 Richard Biener <rguenther@suse.de>
PR tree-optimization/58432
* tree-loop-distribution.c (tree_loop_distribution): Also
scan PHIs for outside loop uses and seed a partition from them.
2013-09-17 Bin Cheng <bin.cheng@arm.com>
* gimple-ssa-strength-reduction.c (backtrace_base_for_ref): New.

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2013-09-17 Richard Biener <rguenther@suse.de>
PR tree-optimization/58432
* gcc.dg/pr58432.c: New testcase.
2013-09-17 Bin Cheng <bin.cheng@arm.com>
* gcc.dg/tree-ssa/slsr-39.c: New test.

17
gcc/testsuite/gcc.dg/pr58432.c Normal file
View File

@ -0,0 +1,17 @@
/* { dg-do compile } */
/* { dg-require-profiling "-fprofile-generate" } */
/* { dg-options "-O3 -fprofile-generate" } */
struct {
int prefix;
int dir_idx;
} *a;
int b;
void fn1() {
int *c, *d;
for (; b; b++)
if (d[b]) {
c[b] = d[b];
a[0].dir_idx = 0;
}
}

11
gcc/tree-loop-distribution.c
View File

@ -1676,6 +1676,17 @@ tree_loop_distribution (void)
for (i = 0; i < loop->num_nodes; ++i)
{
gimple_stmt_iterator gsi;
for (gsi = gsi_start_phis (bbs[i]); !gsi_end_p (gsi); gsi_next (&gsi))
{
gimple phi = gsi_stmt (gsi);
if (virtual_operand_p (gimple_phi_result (phi)))
continue;
/* Distribute stmts which have defs that are used outside of
the loop. */
if (!stmt_has_scalar_dependences_outside_loop (loop, phi))
continue;
work_list.safe_push (phi);
}
for (gsi = gsi_start_bb (bbs[i]); !gsi_end_p (gsi); gsi_next (&gsi))
{
gimple stmt = gsi_stmt (gsi);