1 files changed, 7 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/ShadowStackGCLowering.cpp b/llvm/lib/CodeGen/ShadowStackGCLowering.cpp
index 7c0b2bb4569..e7b2a8e72d2 100644
--- a/llvm/lib/CodeGen/ShadowStackGCLowering.cpp
+++ b/llvm/lib/CodeGen/ShadowStackGCLowering.cpp
@@ -144,10 +144,14 @@ public:
       BasicBlock *CleanupBB = BasicBlock::Create(C, CleanupBBName, &F);
       Type *ExnTy =
           StructType::get(Type::getInt8PtrTy(C), Type::getInt32Ty(C), nullptr);
-      Constant *PersFn = F.getParent()->getOrInsertFunction(
-          "__gcc_personality_v0", FunctionType::get(Type::getInt32Ty(C), true));
+      if (!F.hasPersonalityFn()) {
+        Constant *PersFn = F.getParent()->getOrInsertFunction(
+            "__gcc_personality_v0",
+            FunctionType::get(Type::getInt32Ty(C), true));
+        F.setPersonalityFn(PersFn);
+      }
       LandingPadInst *LPad =
-          LandingPadInst::Create(ExnTy, PersFn, 1, "cleanup.lpad", CleanupBB);
+          LandingPadInst::Create(ExnTy, 1, "cleanup.lpad", CleanupBB);
       LPad->setCleanup(true);
       ResumeInst *RI = ResumeInst::Create(LPad, CleanupBB);