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| author | Thomas Schwinge <thomas@codesourcery.com> | 2016-10-19 12:19:24 +0200 |
|---|---|---|
| committer | Thomas Schwinge <tschwinge@gcc.gnu.org> | 2016-10-19 12:19:24 +0200 |
| commit | a023f8c8dc9ef41f4212b964326a2d16a3f00b27 (patch) | |
| tree | 90af851b2b5f659fea4c389ca23aff204e59bcae /gcc/omp-low.c | |
| parent | d40627f9335050467ae3fdb8bcf31ed695b290ea (diff) | |
| download | gcc-a023f8c8dc9ef41f4212b964326a2d16a3f00b27.zip gcc-a023f8c8dc9ef41f4212b964326a2d16a3f00b27.tar.gz gcc-a023f8c8dc9ef41f4212b964326a2d16a3f00b27.tar.bz2 | |
[PR tree-optimization/78024] Clear basic block flags before using BB_VISITED for OpenACC loops processing
gcc/
* omp-low.c (oacc_loop_discovery): Call clear_bb_flags before, and
don't clear BB_VISITED after processing.
gcc/testsuite/
* gcc.dg/goacc/loop-processing-1.c: New file.
From-SVN: r241334
Diffstat (limited to 'gcc/omp-low.c')
| -rw-r--r-- | gcc/omp-low.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/gcc/omp-low.c b/gcc/omp-low.c index 77f89d5..3ef796f 100644 --- a/gcc/omp-low.c +++ b/gcc/omp-low.c @@ -19236,7 +19236,9 @@ oacc_loop_sibling_nreverse (oacc_loop *loop) static oacc_loop * oacc_loop_discovery () { - basic_block bb; + /* Clear basic block flags, in particular BB_VISITED which we're going to use + in the following. */ + clear_bb_flags (); oacc_loop *top = new_oacc_loop_outer (current_function_decl); oacc_loop_discover_walk (top, ENTRY_BLOCK_PTR_FOR_FN (cfun)); @@ -19245,10 +19247,6 @@ oacc_loop_discovery () that diagnostics come out in an unsurprising order. */ top = oacc_loop_sibling_nreverse (top); - /* Reset the visited flags. */ - FOR_ALL_BB_FN (bb, cfun) - bb->flags &= ~BB_VISITED; - return top; } |