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| author | Jakub Jelinek <jakub@redhat.com> | 2011-05-12 19:44:23 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-05-12 19:44:23 +0200 |
| commit | c2b5fc8de6a06b34a60f90bb37c46e27dc67d347 (patch) | |
| tree | f50e6dc79484fad7c3b75ea106712b82ba60cda9 /gcc | |
| parent | 13157033d4fc1d109b1dc7c063bfa46638144df5 (diff) | |
| download | gcc-c2b5fc8de6a06b34a60f90bb37c46e27dc67d347.zip gcc-c2b5fc8de6a06b34a60f90bb37c46e27dc67d347.tar.gz gcc-c2b5fc8de6a06b34a60f90bb37c46e27dc67d347.tar.bz2 | |
re PR tree-optimization/48975 (ICE in execute_cse_reciprocals() with -fno-tree-slp-vectorize)
PR tree-optimization/48975
* tree-if-conv.c (combine_blocks): Call free_bb_predicate
on all bbs here and free and clear ifc_bbs at the end.
* gcc.dg/pr48975.c: New test.
From-SVN: r173709
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr48975.c | 18 | ||||
| -rw-r--r-- | gcc/tree-if-conv.c | 6 |
4 files changed, 34 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bb84bfd..4bb144e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-05-12 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/48975 + * tree-if-conv.c (combine_blocks): Call free_bb_predicate + on all bbs here and free and clear ifc_bbs at the end. + 2011-05-12 Richard Guenther <rguenther@suse.de> * gimple.c (gtc_visit): Compare TREE_ADDRESSABLE, handle diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d7cb0bd..9c3552a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-05-12 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/48975 + * gcc.dg/pr48975.c: New test. + 2011-05-12 Tobias Burnus <burnus@net-b.de> PR fortran/48972 diff --git a/gcc/testsuite/gcc.dg/pr48975.c b/gcc/testsuite/gcc.dg/pr48975.c new file mode 100644 index 0000000..58658d8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr48975.c @@ -0,0 +1,18 @@ +/* PR tree-optimization/48975 */ +/* { dg-do compile } */ +/* { dg-options "-O3 -ffast-math -fno-tree-slp-vectorize" } */ + +static int +foo (int x) +{ + return (x > 0) ? 0 : x + 1; +} + +void +bar (unsigned int x) +{ + int l = 1; +lab: + while (x) + x = foo (x); +} diff --git a/gcc/tree-if-conv.c b/gcc/tree-if-conv.c index 450ddb2..bf1c8cd 100644 --- a/gcc/tree-if-conv.c +++ b/gcc/tree-if-conv.c @@ -1,5 +1,5 @@ /* If-conversion for vectorizer. - Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 + Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. Contributed by Devang Patel <dpatel@apple.com> @@ -1637,6 +1637,7 @@ combine_blocks (struct loop *loop) for (i = 0; i < orig_loop_num_nodes; i++) { bb = ifc_bbs[i]; + free_bb_predicate (bb); if (bb_with_exit_edge_p (loop, bb)) { exit_bb = bb; @@ -1712,6 +1713,9 @@ combine_blocks (struct loop *loop) && exit_bb != loop->header && can_merge_blocks_p (loop->header, exit_bb)) merge_blocks (loop->header, exit_bb); + + free (ifc_bbs); + ifc_bbs = NULL; } /* If-convert LOOP when it is legal. For the moment this pass has no |