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| author | Tom de Vries <tom@codesourcery.com> | 2016-05-31 07:07:26 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2016-05-31 07:07:26 +0000 |
| commit | 7a88cc8467b948a302c9faedded8f39d7bd6380a (patch) | |
| tree | 7b064ac365f64d9672165779dc542ff469acbc07 /gcc/graphite-isl-ast-to-gimple.c | |
| parent | cc10916fe1aba825a70b32e525c126e8f7dd9a8a (diff) | |
| download | gcc-7a88cc8467b948a302c9faedded8f39d7bd6380a.zip gcc-7a88cc8467b948a302c9faedded8f39d7bd6380a.tar.gz gcc-7a88cc8467b948a302c9faedded8f39d7bd6380a.tar.bz2 | |
Handle 3-arg phi in copy_bb_and_scalar_dependences
2016-05-31 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/69068
* graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
phis with more than two args.
* gcc.dg/graphite/pr69068.c: New test.
From-SVN: r236907
Diffstat (limited to 'gcc/graphite-isl-ast-to-gimple.c')
| -rw-r--r-- | gcc/graphite-isl-ast-to-gimple.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/gcc/graphite-isl-ast-to-gimple.c b/gcc/graphite-isl-ast-to-gimple.c index ff1d91f..fb9c846 100644 --- a/gcc/graphite-isl-ast-to-gimple.c +++ b/gcc/graphite-isl-ast-to-gimple.c @@ -1075,9 +1075,7 @@ bb_contains_loop_close_phi_nodes (basic_block bb) static bool bb_contains_loop_phi_nodes (basic_block bb) { - gcc_assert (EDGE_COUNT (bb->preds) <= 2); - - if (bb->preds->length () == 1) + if (EDGE_COUNT (bb->preds) != 2) return false; unsigned depth = loop_depth (bb->loop_father); @@ -2480,13 +2478,14 @@ copy_cond_phi_nodes (basic_block bb, basic_block new_bb, vec<tree> iv_map) gcc_assert (!bb_contains_loop_close_phi_nodes (bb)); + /* TODO: Handle cond phi nodes with more than 2 predecessors. */ + if (EDGE_COUNT (bb->preds) != 2) + return false; + if (dump_file) fprintf (dump_file, "[codegen] copying cond phi nodes in bb_%d.\n", new_bb->index); - /* Cond phi nodes should have exactly two arguments. */ - gcc_assert (2 == EDGE_COUNT (bb->preds)); - for (gphi_iterator psi = gsi_start_phis (bb); !gsi_end_p (psi); gsi_next (&psi)) { |