getParent() ^ 3 == getModule() ; NFCI

llvm-svn: 255511
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
index 74c5148..6cd61ed 100644
--- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -1962,7 +1962,7 @@
 
     if (InvokeInst *II = dyn_cast<InvokeInst>(&MI)) {
       // Replace invoke with a NOP intrinsic to maintain the original CFG
-      Module *M = II->getParent()->getParent()->getParent();
+      Module *M = II->getModule();
       Function *F = Intrinsic::getDeclaration(M, Intrinsic::donothing);
       InvokeInst::Create(F, II->getNormalDest(), II->getUnwindDest(),
                          None, "", II->getParent());