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-rw-r--r--llvm/lib/Analysis/MemorySSAUpdater.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/MemorySSAUpdater.cpp b/llvm/lib/Analysis/MemorySSAUpdater.cpp
index f2d56b05d968..473268982f2d 100644
--- a/llvm/lib/Analysis/MemorySSAUpdater.cpp
+++ b/llvm/lib/Analysis/MemorySSAUpdater.cpp
@@ -1159,7 +1159,13 @@ void MemorySSAUpdater::moveAfter(MemoryUseOrDef *What, MemoryUseOrDef *Where) {
void MemorySSAUpdater::moveToPlace(MemoryUseOrDef *What, BasicBlock *BB,
MemorySSA::InsertionPlace Where) {
- return moveTo(What, BB, Where);
+ if (Where != MemorySSA::InsertionPlace::BeforeTerminator)
+ return moveTo(What, BB, Where);
+
+ if (auto *Where = MSSA->getMemoryAccess(BB->getTerminator()))
+ return moveBefore(What, Where);
+ else
+ return moveTo(What, BB, MemorySSA::InsertionPlace::End);
}
// All accesses in To used to be in From. Move to end and update access lists.