[gcc r13-5412] RISC-V: Refine codes in backward fusion [NFC]

[Kito Cheng <kito@gcc.gnu.org>]

https://gcc.gnu.org/g:b9b251b7b95c78b485022802908970c598d9f6e1

commit r13-5412-gb9b251b7b95c78b485022802908970c598d9f6e1
Author: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
Date:   Tue Jan 10 06:47:26 2023 +0800

    RISC-V: Refine codes in backward fusion [NFC]
    
    This NFC patch is preparing for the following patches.
    gcc/ChangeLog:
    
            * config/riscv/riscv-vsetvl.cc (pass_vsetvl::backward_demand_fusion): Refine codes.

Diff:
---
 gcc/config/riscv/riscv-vsetvl.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gcc/config/riscv/riscv-vsetvl.cc b/gcc/config/riscv/riscv-vsetvl.cc
index 9140b1832bf..f9dd7ca81ba 100644
--- a/gcc/config/riscv/riscv-vsetvl.cc
+++ b/gcc/config/riscv/riscv-vsetvl.cc
@@ -2011,15 +2011,15 @@ pass_vsetvl::backward_demand_fusion (void)
   for (const bb_info *bb : crtl->ssa->reverse_bbs ())
     {
       basic_block cfg_bb = bb->cfg_bb ();
-      const auto &prop
-	= m_vector_manager->vector_block_infos[cfg_bb->index].local_dem;
+      const auto &curr_block_info
+	= m_vector_manager->vector_block_infos[cfg_bb->index];
+      const auto &prop = curr_block_info.local_dem;
 
       /* If there is nothing to propagate, just skip it.  */
       if (!prop.valid_or_dirty_p ())
 	continue;
 
-      if (!backward_propagate_worthwhile_p (
-	    cfg_bb, m_vector_manager->vector_block_infos[cfg_bb->index]))
+      if (!backward_propagate_worthwhile_p (cfg_bb, curr_block_info))
 	continue;
 
       edge e;