From 5bb1823dd4b7373de50f6f8ee760638cdadc9edd Mon Sep 17 00:00:00 2001 From: Dorit Nuzman Date: Thu, 28 Jul 2005 15:12:49 +0000 Subject: re PR tree-optimization/22506 (ICE with -ftree-vectorize in var_ann, at tree-flow-inline.h:115) PR tree-optimization/22506 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed phis whose argument is constant. From-SVN: r102487 --- gcc/tree-vectorizer.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'gcc/tree-vectorizer.c') diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index 4a9bbe8..b38156a 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -640,6 +640,10 @@ slpeel_update_phi_nodes_for_guard2 (edge guard_edge, struct loop *loop, { orig_phi = update_phi; orig_def = PHI_ARG_DEF_FROM_EDGE (orig_phi, e); + /* This loop-closed-phi actually doesn't represent a use + out of the loop - the phi arg is a constant. */ + if (TREE_CODE (orig_def) != SSA_NAME) + continue; orig_def_new_name = get_current_def (orig_def); arg = NULL_TREE; -- cgit v1.1