[llvm] [NFC][LLVM] Namespace cleanup in DeadStoreElimination (PR #163303)

[Shilei Tian via llvm-commits]

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@@ -828,7 +828,7 @@ bool isNoopIntrinsic(Instruction *I) {
 }
 
 // Check if we can ignore \p D for DSE.
-bool canSkipDef(MemoryDef *D, bool DefVisibleToCaller) {
+static bool canSkipDef(MemoryDef *D, bool DefVisibleToCaller) {
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shiltian wrote:

Aha, good to know the new restrictions.

https://github.com/llvm/llvm-project/pull/163303