From f6d5836acd3fec4d0f9d194388b7c3629fb1eede Mon Sep 17 00:00:00 2001
From: William Chen <william.chen@futurewei.com>
Date: Thu, 25 Aug 2022 14:17:28 -0700
Subject: [PATCH] Set SpSave reg used when alloca is present in coloring RA

---
 src/mapleall/maple_be/src/cg/aarch64/aarch64_color_ra.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mapleall/maple_be/src/cg/aarch64/aarch64_color_ra.cpp b/src/mapleall/maple_be/src/cg/aarch64/aarch64_color_ra.cpp
index 7476879ea0..72d7011ab4 100644
--- a/src/mapleall/maple_be/src/cg/aarch64/aarch64_color_ra.cpp
+++ b/src/mapleall/maple_be/src/cg/aarch64/aarch64_color_ra.cpp
@@ -533,6 +533,7 @@ void GraphColorRegAllocator::CalculatePriority(LiveRange &lr) const {
   lr.SetNumUses(numUses);
   if (isSpSave) {
     lr.SetPriority(MAXFLOAT);
+    lr.SetIsSpSave();
     return;
   }
   if (lr.GetPriority() > 0 && numDefs <= kPriorityDefThreashold && numUses <= kPriorityUseThreashold &&
-- 
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