[PATCH] Remove dead code
Richard Biener
rguenther@suse.de
Tue Jun 9 14:01:56 GMT 2020
This removes dead code that was left over from the reduction
vectorization refactoring last year.
Bootstrapped / tested on x86_64-unknown-linux-gnu, applied.
Richard.
2020-06-09 Richard Biener <rguenther@suse.de>
* tree-vect-stmts.c (vect_transform_stmt): Remove dead code.
---
gcc/tree-vect-stmts.c | 43 -------------------------------------------
1 file changed, 43 deletions(-)
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index b24b0fe4304..61adf7d7fa4 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -11186,12 +11186,6 @@ vect_transform_stmt (vec_info *vinfo,
gcc_assert (slp_node || !PURE_SLP_STMT (stmt_info));
stmt_vec_info old_vec_stmt_info = STMT_VINFO_VEC_STMT (stmt_info);
- loop_vec_info loop_vinfo = dyn_cast <loop_vec_info> (vinfo);
- bool nested_p = (loop_vinfo
- && nested_in_vect_loop_p
- (LOOP_VINFO_LOOP (loop_vinfo), stmt_info));
-
- gimple *stmt = stmt_info->stmt;
switch (STMT_VINFO_TYPE (stmt_info))
{
case type_demotion_vec_info_type:
@@ -11266,13 +11260,11 @@ vect_transform_stmt (vec_info *vinfo,
case call_vec_info_type:
done = vectorizable_call (vinfo, stmt_info,
gsi, &vec_stmt, slp_node, NULL);
- stmt = gsi_stmt (*gsi);
break;
case call_simd_clone_vec_info_type:
done = vectorizable_simd_clone_call (vinfo, stmt_info, gsi, &vec_stmt,
slp_node, NULL);
- stmt = gsi_stmt (*gsi);
break;
case reduc_vec_info_type:
@@ -11310,41 +11302,6 @@ vect_transform_stmt (vec_info *vinfo,
gcc_assert (!vec_stmt
&& STMT_VINFO_VEC_STMT (stmt_info) == old_vec_stmt_info);
- /* Handle inner-loop stmts whose DEF is used in the loop-nest that
- is being vectorized, but outside the immediately enclosing loop. */
- if (vec_stmt
- && nested_p
- && STMT_VINFO_TYPE (stmt_info) != reduc_vec_info_type
- && (STMT_VINFO_RELEVANT (stmt_info) == vect_used_in_outer
- || STMT_VINFO_RELEVANT (stmt_info) ==
- vect_used_in_outer_by_reduction))
- {
- class loop *innerloop = LOOP_VINFO_LOOP (loop_vinfo)->inner;
- imm_use_iterator imm_iter;
- use_operand_p use_p;
- tree scalar_dest;
-
- if (dump_enabled_p ())
- dump_printf_loc (MSG_NOTE, vect_location,
- "Record the vdef for outer-loop vectorization.\n");
-
- /* Find the relevant loop-exit phi-node, and reord the vec_stmt there
- (to be used when vectorizing outer-loop stmts that use the DEF of
- STMT). */
- if (gimple_code (stmt) == GIMPLE_PHI)
- scalar_dest = PHI_RESULT (stmt);
- else
- scalar_dest = gimple_get_lhs (stmt);
-
- FOR_EACH_IMM_USE_FAST (use_p, imm_iter, scalar_dest)
- if (!flow_bb_inside_loop_p (innerloop, gimple_bb (USE_STMT (use_p))))
- {
- stmt_vec_info exit_phi_info
- = vinfo->lookup_stmt (USE_STMT (use_p));
- STMT_VINFO_VEC_STMT (exit_phi_info) = vec_stmt;
- }
- }
-
if (vec_stmt)
STMT_VINFO_VEC_STMT (stmt_info) = vec_stmt;
--
2.25.1
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