[llvm] r373481 - LowerExpectIntrinsic handlePhiDef - silence static analyzer dyn_cast<PHINode> null dereference warning. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Wed Oct  2 09:03:45 2019
New Revision: 373481

URL: http://llvm.org/viewvc/llvm-project?rev=373481&view=rev
Log:
LowerExpectIntrinsic handlePhiDef - silence static analyzer dyn_cast<PHINode> null dereference warning. NFCI.

The static analyzer is warning about a potential null dereference, but we should be able to use cast<PHINode> directly and if not assert will fire for us.

Modified:
    llvm/trunk/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp?rev=373481&r1=373480&r2=373481&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp Wed Oct  2 09:03:45 2019
@@ -161,7 +161,7 @@ static void handlePhiDef(CallInst *Expec
     return Result;
   };
 
-  auto *PhiDef = dyn_cast<PHINode>(V);
+  auto *PhiDef = cast<PHINode>(V);
 
   // Get the first dominating conditional branch of the operand
   // i's incoming block.