From 1e386bb8227491625e10fc31160c88c3ae08428c Mon Sep 17 00:00:00 2001 From: Bill Schmidt Date: Wed, 2 Apr 2014 22:07:30 +0000 Subject: re PR tree-optimization/60733 (ICE due to SLSR on valid code at -O3 on x86_64-linux-gnu) [gcc] 2014-04-02 Bill Schmidt PR tree-optimization/60733 * gimple-ssa-strength-reduction.c (ncd_with_phi): Change required insertion point for PHI candidates to be the end of the feeding block for the PHI argument. [gcc/testsuite] 2014-04-02 Bill Schmidt PR tree-optimization/60733 * gcc.dg/torture/pr60733.c: New test. From-SVN: r209040 --- gcc/gimple-ssa-strength-reduction.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'gcc/gimple-ssa-strength-reduction.c') diff --git a/gcc/gimple-ssa-strength-reduction.c b/gcc/gimple-ssa-strength-reduction.c index 9320b51..9ad1b4f 100644 --- a/gcc/gimple-ssa-strength-reduction.c +++ b/gcc/gimple-ssa-strength-reduction.c @@ -3001,10 +3001,10 @@ ncd_with_phi (slsr_cand_t c, double_int incr, gimple phi, { slsr_cand_t arg_cand = base_cand_from_table (arg); double_int diff = arg_cand->index - basis->index; + basic_block pred = gimple_phi_arg_edge (phi, i)->src; if ((incr == diff) || (!address_arithmetic_p && incr == -diff)) - ncd = ncd_for_two_cands (ncd, gimple_bb (arg_cand->cand_stmt), - *where, arg_cand, where); + ncd = ncd_for_two_cands (ncd, pred, *where, NULL, where); } } } -- cgit v1.1