Make sure we don't insert instructions before a landingpad instruction.

<rdar://problem/10405911>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144000 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/DemoteRegToStack.cpp b/lib/Transforms/Utils/DemoteRegToStack.cpp
index 8cc26492c292343ec674429eebd79007048f0947..3ef6b018bf89837bb56be300ab9d63eb6c5b03b3 100644 (file)
--- a/lib/Transforms/Utils/DemoteRegToStack.cpp
+++ b/lib/Transforms/Utils/DemoteRegToStack.cpp
@@ -97,8 +97,8 @@ AllocaInst* llvm::DemoteRegToStack(Instruction &I, bool VolatileLoads,
     InsertPt = II.getNormalDest()->begin();
   }
 
-  for (; isa<PHINode>(InsertPt); ++InsertPt)
-  /* empty */;   // Don't insert before any PHI nodes.
+  for (; isa<PHINode>(InsertPt) || isa<LandingPadInst>(InsertPt); ++InsertPt)
+  /* empty */;   // Don't insert before any PHI nodes or landingpad instrs.
   new StoreInst(&I, Slot, InsertPt);
 
   return Slot;