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| author | Alan Hayward <alan.hayward@arm.com> | 2016-07-08 08:50:24 +0000 |
|---|---|---|
| committer | Alan Hayward <alahay01@gcc.gnu.org> | 2016-07-08 08:50:24 +0000 |
| commit | 3c3ecf52a6394009877a6771c871603c13fd035f (patch) | |
| tree | 0375b18fd1d04e382b22b64f870a25e9363cc439 | |
| parent | 03e6ca4873c52eaba58933d317d425891f71cee0 (diff) | |
| download | gcc-3c3ecf52a6394009877a6771c871603c13fd035f.zip gcc-3c3ecf52a6394009877a6771c871603c13fd035f.tar.gz gcc-3c3ecf52a6394009877a6771c871603c13fd035f.tar.bz2 | |
re PR debug/71667 (ICE in as_a, at is-a.h:192 w/ -g -O2 -ftree-vectorize)
2016-07-08 Alan Hayward <alan.hayward@arm.com>
gcc/
PR tree-optimization/71667
* tree-vect-loop.c (vectorizable_live_operation): ignore DEBUG stmts
testsuite/
PR tree-optimization/71667
* gcc.dg/vect/pr71667.c: New
From-SVN: r238160
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr71667.c | 30 | ||||
| -rw-r--r-- | gcc/tree-vect-loop.c | 7 |
4 files changed, 44 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index afd022e..dc648ca 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-07-08 Alan Hayward <alan.hayward@arm.com> + + PR tree-optimization/71667 + * tree-vect-loop.c (vectorizable_live_operation): ignore DEBUG stmts + 2016-07-08 Martin Liska <mliska@suse.cz> PR middle-end/71606 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8a4dc1d..3af679a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-07-08 Alan Hayward <alan.hayward@arm.com> + + PR tree-optimization/71667 + * gcc.dg/vect/pr71667.c: New + 2016-07-08 Martin Liska <mliska@suse.cz> * gcc.dg/torture/pr71606.c: New test. diff --git a/gcc/testsuite/gcc.dg/vect/pr71667.c b/gcc/testsuite/gcc.dg/vect/pr71667.c new file mode 100644 index 0000000..e7012ef --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr71667.c @@ -0,0 +1,30 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-g" } */ + +unsigned int mu; +int pt; + +void +qf (void) +{ + int gy; + long int vz; + + for (;;) + { + for (gy = 0; gy < 80; ++gy) + { + vz = mu; + ++mu; + pt = (vz != 0) && (pt != 0); + } + while (gy < 81) + while (gy < 83) + { + vz = (vz != 0) ? 0 : mu; + ++gy; + } + pt = vz; + ++mu; + } +} diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index 63c002e..97acf3c 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -6354,11 +6354,12 @@ vectorizable_live_operation (gimple *stmt, : gimple_get_lhs (stmt); lhs_type = TREE_TYPE (lhs); - /* Find all uses of STMT outside the loop - there should be exactly one. */ + /* Find all uses of STMT outside the loop - there should be at least one. */ auto_vec<gimple *, 4> worklist; FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, lhs) - if (!flow_bb_inside_loop_p (loop, gimple_bb (use_stmt))) - worklist.safe_push (use_stmt); + if (!flow_bb_inside_loop_p (loop, gimple_bb (use_stmt)) + && !is_gimple_debug (use_stmt)) + worklist.safe_push (use_stmt); gcc_assert (worklist.length () >= 1); bitsize = TYPE_SIZE (TREE_TYPE (vectype)); |