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Diffstat (limited to 'gcc/tree-ssa-phiopt.c')
| -rw-r--r-- | gcc/tree-ssa-phiopt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c index a514ed8..b64bde6 100644 --- a/gcc/tree-ssa-phiopt.c +++ b/gcc/tree-ssa-phiopt.c @@ -2216,6 +2216,11 @@ cond_store_replacement (basic_block middle_bb, basic_block join_bb, || gimple_has_volatile_ops (assign)) return false; + /* And no PHI nodes so all uses in the single stmt are also + available where we insert to. */ + if (!gimple_seq_empty_p (phi_nodes (middle_bb))) + return false; + locus = gimple_location (assign); lhs = gimple_assign_lhs (assign); rhs = gimple_assign_rhs1 (assign); |