CriticalAntiDepBreaker - Assert that we've found the bottom of the critical path...

Silences static analyzer null dereference warnings.

llvm-svn: 372577

diff --git a/llvm/lib/CodeGen/CriticalAntiDepBreaker.cpp b/llvm/lib/CodeGen/CriticalAntiDepBreaker.cpp
index 22575d5..702e7e2 100644 (file)
--- a/llvm/lib/CodeGen/CriticalAntiDepBreaker.cpp
+++ b/llvm/lib/CodeGen/CriticalAntiDepBreaker.cpp
@@ -457,6 +457,7 @@ BreakAntiDependencies(const std::vector<SUnit> &SUnits,
     if (!Max || SU->getDepth() + SU->Latency > Max->getDepth() + Max->Latency)
       Max = SU;
   }
+  assert(Max && "Failed to find bottom of the critical path");
 
 #ifndef NDEBUG
   {