vendor/llvm-project/llvmorg-13-init-16847-g88e66fa60ae5vendor/llvm-project/llvmorg-12.0.1-rc2-0-ge7dac564cd0evendor/llvm-project/llvmorg-12.0.1-0-gfed41342a82f

1 files changed, 6 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/SjLjEHPrepare.cpp b/llvm/lib/CodeGen/SjLjEHPrepare.cpp
index d2fd4a6d8fd9..8211e3d6a9dd 100644
--- a/llvm/lib/CodeGen/SjLjEHPrepare.cpp
+++ b/llvm/lib/CodeGen/SjLjEHPrepare.cpp
@@ -472,8 +472,12 @@ bool SjLjEHPrepare::setupEntryBlockAndCallSites(Function &F) {
 
   // Finally, for any returns from this function, if this function contains an
   // invoke, add a call to unregister the function context.
-  for (ReturnInst *Return : Returns)
-    CallInst::Create(UnregisterFn, FuncCtx, "", Return);
+  for (ReturnInst *Return : Returns) {
+    Instruction *InsertPoint = Return;
+    if (CallInst *CI = Return->getParent()->getTerminatingMustTailCall())
+      InsertPoint = CI;
+    CallInst::Create(UnregisterFn, FuncCtx, "", InsertPoint);
+  }
 
   return true;
 }