[llvm] [MachinePipeliner] Use AliasAnalysis properly when analyzing loop-carried dependencies (PR #136691)

[Ryotaro Kasuga via llvm-commits]

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@@ -237,6 +237,37 @@ INITIALIZE_PASS_DEPENDENCY(LiveIntervalsWrapperPass)
 INITIALIZE_PASS_END(MachinePipeliner, DEBUG_TYPE,
                     "Modulo Software Pipelining", false, false)
 
+namespace {
+
+/// This class holds an SUnit corresponing to a memory operation and other
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kasuga-fj wrote:

That's right, thanks!

https://github.com/llvm/llvm-project/pull/136691