[llvm] r372118 - [X86] X86DAGToDAGISel::tryFoldLoad - assert root/parent pointers are non-null. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Tue Sep 17 06:27:02 2019
New Revision: 372118

URL: http://llvm.org/viewvc/llvm-project?rev=372118&view=rev
Log:
[X86] X86DAGToDAGISel::tryFoldLoad - assert root/parent pointers are non-null. NFCI.

Silences a static analyzer warning.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp?rev=372118&r1=372117&r2=372118&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp Tue Sep 17 06:27:02 2019
@@ -2581,6 +2581,7 @@ bool X86DAGToDAGISel::tryFoldLoad(SDNode
                                   SDValue &Base, SDValue &Scale,
                                   SDValue &Index, SDValue &Disp,
                                   SDValue &Segment) {
+  assert(Root && P && "Unknown root/parent nodes");
   if (!ISD::isNON_EXTLoad(N.getNode()) ||
       !IsProfitableToFold(N, P, Root) ||
       !IsLegalToFold(N, P, Root, OptLevel))