diff options
| author | Richard Biener <rguenther@suse.de> | 2018-06-05 10:02:50 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-06-05 10:02:50 +0000 |
| commit | fa385ff4d7d3a8375ded8cb951041d5acaa92325 (patch) | |
| tree | 9f7dff73221dd1a24581ff30936ffc7ada1dfb45 /gcc/tree-ssa.c | |
| parent | d12fd774e09ea539ba022ec0e9f2367a86ea8be0 (diff) | |
re PR c/86046 (ICE in execute_todo, at passes.c:2043)
2018-06-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/86046
* tree-ssa.c (maybe_optimize_var): Clear DECL_GIMPLE_REG_P
if required after clearing TREE_ADDRESSABLE.
* gcc.dg/pr86046.c: New testcase.
From-SVN: r261193
Diffstat (limited to 'gcc/tree-ssa.c')
| -rw-r--r-- | gcc/tree-ssa.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index d197f99bdd2..f1b322f2de6 100644 --- a/gcc/tree-ssa.c +++ b/gcc/tree-ssa.c @@ -1565,6 +1565,12 @@ maybe_optimize_var (tree var, bitmap addresses_taken, bitmap not_reg_needs, || !bitmap_bit_p (not_reg_needs, DECL_UID (var)))) { TREE_ADDRESSABLE (var) = 0; + /* If we cleared TREE_ADDRESSABLE make sure DECL_GIMPLE_REG_P + is unset if we cannot rewrite the var into SSA. */ + if ((TREE_CODE (TREE_TYPE (var)) == VECTOR_TYPE + || TREE_CODE (TREE_TYPE (var)) == COMPLEX_TYPE) + && bitmap_bit_p (not_reg_needs, DECL_UID (var))) + DECL_GIMPLE_REG_P (var) = 0; if (is_gimple_reg (var)) bitmap_set_bit (suitable_for_renaming, DECL_UID (var)); if (dump_file) |