From: Juzhe-Zhong <juzhe.zhong@rivai.ai>
Date: Fri, 25 Aug 2023 01:59:19 +0000 (+0800)
Subject: RISC-V: Add early continue for ENTRY and EXIT block
X-Git-Tag: basepoints/gcc-15~6663
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=449ab115dece8ac8e8f27d2d7b5bc653a2c75d3a;p=thirdparty%2Fgcc.git

RISC-V: Add early continue for ENTRY and EXIT block

Committed.

gcc/ChangeLog:

	* config/riscv/riscv-vsetvl.cc (pass_vsetvl::compute_local_properties):
	Add early continue.
---

diff --git a/gcc/config/riscv/riscv-vsetvl.cc b/gcc/config/riscv/riscv-vsetvl.cc
index f7558cad2e22..7923702144cf 100644
--- a/gcc/config/riscv/riscv-vsetvl.cc
+++ b/gcc/config/riscv/riscv-vsetvl.cc
@@ -3720,6 +3720,8 @@ pass_vsetvl::compute_local_properties (void)
   for (const bb_info *bb : crtl->ssa->bbs ())
     {
       unsigned int curr_bb_idx = bb->index ();
+      if (curr_bb_idx == ENTRY_BLOCK || curr_bb_idx == EXIT_BLOCK)
+	continue;
       const auto local_dem
 	= m_vector_manager->vector_block_infos[curr_bb_idx].local_dem;
       const auto reaching_out