Fix a warning [NFC]

[oota-llvm.git] / lib / CodeGen / DwarfEHPrepare.cpp

diff --git a/lib/CodeGen/DwarfEHPrepare.cpp b/lib/CodeGen/DwarfEHPrepare.cpp
index 81f8c1b127d76458616d511c65d711a4f2ef718d..eae78a950d9a64fabe06d97d426aeb6db3f5c750 100644 (file)
--- a/lib/CodeGen/DwarfEHPrepare.cpp
+++ b/lib/CodeGen/DwarfEHPrepare.cpp
@@ -16,6 +16,7 @@
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/CFG.h"
+#include "llvm/Analysis/EHPersonalities.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/Function.h"
@@ -168,7 +169,7 @@ size_t DwarfEHPrepare::pruneUnreachableResumes(
       BasicBlock *BB = RI->getParent();
       new UnreachableInst(Ctx, RI);
       RI->eraseFromParent();
-      SimplifyCFG(BB, TTI, 1, TLI->getDataLayout());
+      SimplifyCFG(BB, TTI, 1);
     }
   }
   Resumes.resize(ResumesLeft);
@@ -191,6 +192,11 @@ bool DwarfEHPrepare::InsertUnwindResumeCalls(Function &Fn) {
   if (Resumes.empty())
     return false;
 
+  // Check the personality, don't do anything if it's funclet-based.
+  EHPersonality Pers = classifyEHPersonality(Fn.getPersonalityFn());
+  if (isFuncletEHPersonality(Pers))
+    return false;
+
   LLVMContext &Ctx = Fn.getContext();
 
   size_t ResumesLeft = pruneUnreachableResumes(Fn, Resumes, CleanupLPads);