From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Mon, 23 Sep 2019 10:42:47 +0000 (+0000)
Subject: CriticalAntiDepBreaker - Assert that we've found the bottom of the critical path... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5e951112cb987af7fe20f786a6983c70594a6ae1;p=llvm

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

Silences static analyzer null dereference warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@372577 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CriticalAntiDepBreaker.cpp b/lib/CodeGen/CriticalAntiDepBreaker.cpp
index 22575d526b3..702e7e244bc 100644
--- a/lib/CodeGen/CriticalAntiDepBreaker.cpp
+++ b/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
   {