diff --git a/clang/lib/Basic/Targets/LoongArch.cpp b/clang/lib/Basic/Targets/LoongArch.cpp
index f6915df1520b..8e29bb745734 100644
--- a/clang/lib/Basic/Targets/LoongArch.cpp
+++ b/clang/lib/Basic/Targets/LoongArch.cpp
@@ -461,6 +461,8 @@ LoongArchTargetInfo::parseTargetAttr(StringRef Features) const {
 
     case AttrFeatureKind::Feature:
       Ret.Features.push_back("+" + Value.str());
+      if (Value == "lasx")
+        Ret.Features.push_back("+lsx");
       break;
     }
   }
diff --git a/clang/test/CodeGen/LoongArch/targetattr-lasx.c b/clang/test/CodeGen/LoongArch/targetattr-lasx.c
index f4857406180a..56fd6573ed34 100644
--- a/clang/test/CodeGen/LoongArch/targetattr-lasx.c
+++ b/clang/test/CodeGen/LoongArch/targetattr-lasx.c
@@ -4,4 +4,4 @@ __attribute__((target("lasx")))
 // CHECK: #[[ATTR0:[0-9]+]] {
 void testlasx() {}
 
-// CHECK: attributes #[[ATTR0]] = { {{.*}}"target-features"="+64bit,+lasx,-lsx"{{.*}} }
+// CHECK: attributes #[[ATTR0]] = { {{.*}}"target-features"="+64bit,+lasx,+lsx"{{.*}} }