[llvm] X86: Add prefetch insertion based on Propeller profile (PR #166324)

[Simon Pilgrim via llvm-commits]

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@@ -0,0 +1,209 @@
+//===-- PrefetchInsertion.cpp ---=========-----------------------------===//
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RKSimon wrote:

(style) X86PrefetchInsertion.cpp

https://github.com/llvm/llvm-project/pull/166324