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| author | Richard Biener <rguenther@suse.de> | 2020-06-09 18:23:22 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-06-09 19:50:27 +0200 |
| commit | ec34277611416aacdfdf3b8469b8e6ed43f623e6 (patch) | |
| tree | e507ee2aed3e8b84b0acbc170eaad28f327b052c /gcc/tree-vect-loop.c | |
| parent | 98866120092edfd7d5a7ae008db960dae8ab1523 (diff) | |
| download | gcc-ec34277611416aacdfdf3b8469b8e6ed43f623e6.zip gcc-ec34277611416aacdfdf3b8469b8e6ed43f623e6.tar.gz gcc-ec34277611416aacdfdf3b8469b8e6ed43f623e6.tar.bz2 | |
Remove dead code
This removes dead code left over from the reduction vectorization
refactoring last year.
2020-06-09 Richard Biener <rguenther@suse.de>
* tree-vect-loop.c (vectorizable_induction): Remove dead code.
Diffstat (limited to 'gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc/tree-vect-loop.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index f2c52ae..5329982e 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -7373,11 +7373,6 @@ vectorizable_induction (loop_vec_info loop_vinfo, unsigned i; tree expr; gimple_seq stmts; - imm_use_iterator imm_iter; - use_operand_p use_p; - gimple *exit_phi; - edge latch_e; - tree loop_arg; gimple_stmt_iterator si; gphi *phi = dyn_cast <gphi *> (stmt_info->stmt); @@ -7485,9 +7480,6 @@ vectorizable_induction (loop_vec_info loop_vinfo, if (dump_enabled_p ()) dump_printf_loc (MSG_NOTE, vect_location, "transform induction phi.\n"); - latch_e = loop_latch_edge (iv_loop); - loop_arg = PHI_ARG_DEF_FROM_EDGE (phi, latch_e); - step_expr = STMT_VINFO_LOOP_PHI_EVOLUTION_PART (stmt_info); gcc_assert (step_expr != NULL_TREE); tree step_vectype = get_same_sized_vectype (TREE_TYPE (step_expr), vectype); @@ -7872,40 +7864,6 @@ vectorizable_induction (loop_vec_info loop_vinfo, } } - if (nested_in_vect_loop) - { - /* Find the loop-closed exit-phi of the induction, and record - the final vector of induction results: */ - exit_phi = NULL; - FOR_EACH_IMM_USE_FAST (use_p, imm_iter, loop_arg) - { - gimple *use_stmt = USE_STMT (use_p); - if (is_gimple_debug (use_stmt)) - continue; - - if (!flow_bb_inside_loop_p (iv_loop, gimple_bb (use_stmt))) - { - exit_phi = use_stmt; - break; - } - } - if (exit_phi) - { - stmt_vec_info stmt_vinfo = loop_vinfo->lookup_stmt (exit_phi); - /* FORNOW. Currently not supporting the case that an inner-loop induction - is not used in the outer-loop (i.e. only outside the outer-loop). */ - gcc_assert (STMT_VINFO_RELEVANT_P (stmt_vinfo) - && !STMT_VINFO_LIVE_P (stmt_vinfo)); - - STMT_VINFO_VEC_STMT (stmt_vinfo) = new_stmt_info; - if (dump_enabled_p ()) - dump_printf_loc (MSG_NOTE, vect_location, - "vector of inductions after inner-loop:%G", - new_stmt); - } - } - - if (dump_enabled_p ()) dump_printf_loc (MSG_NOTE, vect_location, "transform induction: created def-use cycle: %G%G", |