git
/
gcc
mirror of git://gcc.gnu.org/git/gcc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

re PR tree-optimization/62070 (ICE: verify_ssa failed) 

2014-08-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/62070
	* tree-ssa-loop-manip.c (gimple_duplicate_loop_to_header_edge):
	Remove SSA checking.

	* gcc.dg/pr62070.c: New testcase.

From-SVN: r213810
This commit is contained in:
Richard Biener 2014-08-11 10:55:10 +00:00 committed by Richard Biener
parent 5ff0f237a4
commit 5f732aeb8e
4 changed files with 30 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2014-08-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/62070
* tree-ssa-loop-manip.c (gimple_duplicate_loop_to_header_edge):
Remove SSA checking.
2014-08-11 Yury Gribov <y.gribov@samsung.com>
* asan.c (asan_check_flags): New enum.

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2014-08-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/62070
* gcc.dg/pr62070.c: New testcase.
2014-08-11 Yury Gribov <y.gribov@samsung.com>
* c-c++-common/asan/inc.c: Update test.

19
gcc/testsuite/gcc.dg/pr62070.c Normal file
View File

@ -0,0 +1,19 @@
/* { dg-do compile } */
/* { dg-options "-O3 -fno-tree-vectorize" } */
int in[8][4];
int out[4];
void
foo (void)
{
int sum = 1;
int i, j, k;
for (k = 0; k < 4; k++)
{
for (j = 0; j < 4; j++)
for (i = 0; i < 4; i++)
sum *= in[i + k][j];
out[k] = sum;
}
}

11
gcc/tree-ssa-loop-manip.c
View File

@ -761,17 +761,6 @@ gimple_duplicate_loop_to_header_edge (struct loop *loop, edge e,
if (!loops_state_satisfies_p (LOOPS_HAVE_PREHEADERS))
return false;
#ifdef ENABLE_CHECKING
/* ??? This forces needless update_ssa calls after processing each
loop instead of just once after processing all loops. We should
instead verify that loop-closed SSA form is up-to-date for LOOP
only (and possibly SSA form). For now just skip verifying if
there are to-be renamed variables. */
if (!need_ssa_update_p (cfun)
&& loops_state_satisfies_p (LOOP_CLOSED_SSA))
verify_loop_closed_ssa (true);
#endif
first_new_block = last_basic_block_for_fn (cfun);
if (!duplicate_loop_to_header_edge (loop, e, ndupl, wont_exit,
orig, to_remove, flags))