[EH] Handle non-Function personalities like unknown personalities

Also delete and simplify a lot of MachineModuleInfo code that used to be
needed to handle personalities on landingpads.  Now that the personality
is on the LLVM Function, we no longer need to track it this way on MMI.
Certainly it should not live on LandingPadInfo.

llvm-svn: 246478

1 files changed, 2 insertions, 1 deletions

diff --git a/llvm/lib/Analysis/LibCallSemantics.cpp b/llvm/lib/Analysis/LibCallSemantics.cpp
index 36b92c38e89..0ae13dd5afb 100644
--- a/llvm/lib/Analysis/LibCallSemantics.cpp
+++ b/llvm/lib/Analysis/LibCallSemantics.cpp
@@ -21,7 +21,8 @@ using namespace llvm;
 /// See if the given exception handling personality function is one that we
 /// understand.  If so, return a description of it; otherwise return Unknown.
 EHPersonality llvm::classifyEHPersonality(const Value *Pers) {
-  const Function *F = dyn_cast<Function>(Pers->stripPointerCasts());
+  const Function *F =
+      Pers ? dyn_cast<Function>(Pers->stripPointerCasts()) : nullptr;
   if (!F)
     return EHPersonality::Unknown;
   return StringSwitch<EHPersonality>(F->getName())