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| author | Bin Cheng <amker@gcc.gnu.org> | 2017-12-01 14:33:03 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2017-12-01 14:33:03 +0000 |
| commit | 405a28c95dab82fa68436cffa12fb65e476e216c (patch) | |
| tree | 8e09e28bf569dea1f51afaf524bea6fe4de9ff5b | |
| parent | 4c557c22f4b7889652b1cac45a1ce777e362210c (diff) | |
| download | gcc-405a28c95dab82fa68436cffa12fb65e476e216c.zip gcc-405a28c95dab82fa68436cffa12fb65e476e216c.tar.gz gcc-405a28c95dab82fa68436cffa12fb65e476e216c.tar.bz2 | |
gimple-loop-interchange.cc (is-a.h): New header file.
2017-12-01 Bin Cheng <bin.cheng@arm.com>
* gimple-loop-interchange.cc (is-a.h): New header file.
(loop_cand::find_reduction_by_stmt): Use dyn_cast instead of is_a<>
and as_a<>.
(loop_cand::analyze_iloop_reduction_var): Ditto.
(loop_cand::analyze_oloop_reduction_var): Ditto. Check gimple stmt
against phi node directly.
From-SVN: r255310
| -rw-r--r-- | gcc/gimple-loop-interchange.cc | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/gcc/gimple-loop-interchange.cc b/gcc/gimple-loop-interchange.cc index d5a39a0..21dbdec 100644 --- a/gcc/gimple-loop-interchange.cc +++ b/gcc/gimple-loop-interchange.cc @@ -22,6 +22,7 @@ along with GCC; see the file COPYING3. If not see #include "system.h" #include "coretypes.h" #include "backend.h" +#include "is-a.h" #include "tree.h" #include "gimple.h" #include "tree-pass.h" @@ -270,12 +271,9 @@ unsupported_edge (edge e) reduction_p loop_cand::find_reduction_by_stmt (gimple *stmt) { - gphi *phi = NULL; + gphi *phi = dyn_cast <gphi *> (stmt); reduction_p re; - if (is_a <gphi *> (stmt)) - phi = as_a <gphi *> (stmt); - for (unsigned i = 0; m_reductions.iterate (i, &re); ++i) if ((phi != NULL && phi == re->lcssa_phi) || (stmt == re->producer || stmt == re->consumer)) @@ -591,10 +589,8 @@ loop_cand::analyze_iloop_reduction_var (tree var) continue; /* Or else it's used in PHI itself. */ - use_phi = NULL; - if (is_a <gphi *> (stmt) - && (use_phi = as_a <gphi *> (stmt)) != NULL - && use_phi == phi) + use_phi = dyn_cast <gphi *> (stmt); + if (use_phi == phi) continue; if (use_phi != NULL @@ -684,12 +680,7 @@ loop_cand::analyze_oloop_reduction_var (loop_cand *iloop, tree var) if (is_gimple_debug (stmt)) continue; - if (!flow_bb_inside_loop_p (m_loop, gimple_bb (stmt))) - return false; - - if (! is_a <gphi *> (stmt) - || (use_phi = as_a <gphi *> (stmt)) == NULL - || use_phi != inner_re->phi) + if (stmt != inner_re->phi) return false; } @@ -701,10 +692,8 @@ loop_cand::analyze_oloop_reduction_var (loop_cand *iloop, tree var) continue; /* Or else it's used in PHI itself. */ - use_phi = NULL; - if (is_a <gphi *> (stmt) - && (use_phi = as_a <gphi *> (stmt)) != NULL - && use_phi == phi) + use_phi = dyn_cast <gphi *> (stmt); + if (use_phi == phi) continue; if (lcssa_phi == NULL |