From fa385ff4d7d3a8375ded8cb951041d5acaa92325 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Tue, 5 Jun 2018 10:02:50 +0000 Subject: re PR c/86046 (ICE in execute_todo, at passes.c:2043) 2018-06-05 Richard Biener 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 --- gcc/tree-ssa.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'gcc/tree-ssa.c') 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) -- cgit v1.2.3