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

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git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/include/llvm/CodeGen/InsertCodePrefetch.h llvm/include/llvm/CodeGen/BasicBlockSectionsProfileReader.h llvm/include/llvm/CodeGen/MachineBasicBlock.h llvm/include/llvm/CodeGen/Passes.h llvm/include/llvm/CodeGen/TargetInstrInfo.h llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp llvm/lib/CodeGen/BasicBlockSections.cpp llvm/lib/CodeGen/BasicBlockSectionsProfileReader.cpp llvm/lib/CodeGen/CodeGenPrepare.cpp llvm/lib/CodeGen/InsertCodePrefetch.cpp llvm/lib/Target/X86/X86InstrInfo.cpp llvm/lib/Target/X86/X86InstrInfo.h --diff_from_common_commit
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diff --git a/llvm/include/llvm/CodeGen/BasicBlockSectionsProfileReader.h b/llvm/include/llvm/CodeGen/BasicBlockSectionsProfileReader.h
index 466d64f0f..df87195f6 100644
--- a/llvm/include/llvm/CodeGen/BasicBlockSectionsProfileReader.h
+++ b/llvm/include/llvm/CodeGen/BasicBlockSectionsProfileReader.h
@@ -91,7 +91,7 @@ struct PrefetchHint {
 // including CFG data (block and edge counts) and layout directives (clustering
 // and cloning paths).
 struct FunctionOptimizationProfile {
-// This represents the raw input profile for one function.
+  // This represents the raw input profile for one function.
   // BB Cluster information specified by `UniqueBBID`s.
   SmallVector<BBClusterInfo> ClusterInfo;
   // Paths to clone. A path a -> b -> c -> d implies cloning b, c, and d along

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