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-rw-r--r--llvm/lib/Analysis/MemorySSA.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/MemorySSA.cpp b/llvm/lib/Analysis/MemorySSA.cpp
index cfb8b7e7dcb..da2d0f81748 100644
--- a/llvm/lib/Analysis/MemorySSA.cpp
+++ b/llvm/lib/Analysis/MemorySSA.cpp
@@ -1229,6 +1229,7 @@ MemorySSA::MemorySSA(Function &Func, AliasAnalysis *AA, DominatorTree *DT)
// safe because there are no CFG changes while building MemorySSA and can
// significantly reduce the time spent by the compiler in AA, because we will
// make queries about all the instructions in the Function.
+ assert(AA && "No alias analysis?");
BatchAAResults BatchAA(*AA);
buildMemorySSA(BatchAA);
// Intentionally leave AA to nullptr while building so we don't accidently
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