Verify that VNI kills are pointing to existing instructions.
In this case it is essential that the kill is real because the spiller will
decide to omit a spill if it thinks there is a later kill.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106751 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 7d23cd0..6d072a4 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1284,6 +1284,7 @@
continue;
SlotIndex KillIdx = VNI->kills[j];
+ assert(getInstructionFromIndex(KillIdx) && "Dangling kill");
if (KillIdx > Idx && KillIdx <= End)
return true;
}