diff options
Diffstat (limited to 'gcc/tree-ssa-loop-unswitch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-unswitch.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c index e00fe18..cb235f0 100644 --- a/gcc/tree-ssa-loop-unswitch.c +++ b/gcc/tree-ssa-loop-unswitch.c @@ -113,10 +113,9 @@ tree_ssa_unswitch_loops (struct loops *loops) static tree tree_may_unswitch_on (basic_block bb, struct loop *loop) { - tree stmt, def, cond; + tree stmt, def, cond, use; basic_block def_bb; - use_optype uses; - unsigned i; + ssa_op_iter iter; /* BB must end in a simple conditional jump. */ stmt = last_stmt (bb); @@ -124,10 +123,9 @@ tree_may_unswitch_on (basic_block bb, struct loop *loop) return NULL_TREE; /* Condition must be invariant. */ - uses = STMT_USE_OPS (stmt); - for (i = 0; i < NUM_USES (uses); i++) + FOR_EACH_SSA_TREE_OPERAND (use, stmt, iter, SSA_OP_USE) { - def = SSA_NAME_DEF_STMT (USE_OP (uses, i)); + def = SSA_NAME_DEF_STMT (use); def_bb = bb_for_stmt (def); if (def_bb && flow_bb_inside_loop_p (loop, def_bb)) |