[llvm] r372577 - CriticalAntiDepBreaker - Assert that we've found the bottom of the critical path. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Mon Sep 23 03:42:47 2019
New Revision: 372577

URL: http://llvm.org/viewvc/llvm-project?rev=372577&view=rev
Log:
CriticalAntiDepBreaker - Assert that we've found the bottom of the critical path. NFCI.

Silences static analyzer null dereference warnings.

Modified:
    llvm/trunk/lib/CodeGen/CriticalAntiDepBreaker.cpp

Modified: llvm/trunk/lib/CodeGen/CriticalAntiDepBreaker.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/CriticalAntiDepBreaker.cpp?rev=372577&r1=372576&r2=372577&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/CriticalAntiDepBreaker.cpp (original)
+++ llvm/trunk/lib/CodeGen/CriticalAntiDepBreaker.cpp Mon Sep 23 03:42:47 2019
@@ -457,6 +457,7 @@ BreakAntiDependencies(const std::vector<
     if (!Max || SU->getDepth() + SU->Latency > Max->getDepth() + Max->Latency)
       Max = SU;
   }
+  assert(Max && "Failed to find bottom of the critical path");
 
 #ifndef NDEBUG
   {