[llvm] [PGO] Supporting code for always instrumenting loop entries (PR #116789)

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git-clang-format --diff 7f9d348eb2a54a2dd07ad9e029baef30d9d9b737 00ec5ce02507b5da2106a40352921a0d6f15d16a --extensions h,cpp -- llvm/include/llvm/Transforms/Instrumentation/CFGMST.h llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
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View the diff from clang-format here.
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diff --git a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
index 2cb9cacf47..573d330575 100644
--- a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
@@ -820,7 +820,8 @@ bool GCOVProfiler::emitProfileNotes(
       SplitIndirectBrCriticalEdges(F, /*IgnoreBlocksWithoutPHI=*/false, BPI,
                                    BFI);
 
-      CFGMST<Edge, BBInfo> MST(F, /*InstrumentFuncEntry_=*/false, /*InstrumentLoopEntries_=*/false, BPI, BFI);
+      CFGMST<Edge, BBInfo> MST(F, /*InstrumentFuncEntry_=*/false,
+                               /*InstrumentLoopEntries_=*/false, BPI, BFI);
 
       // getInstrBB can split basic blocks and push elements to AllEdges.
       for (size_t I : llvm::seq<size_t>(0, MST.numEdges())) {
diff --git a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
index d8b712b093..faa320ef9d 100644
--- a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
+++ b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
@@ -2134,8 +2134,8 @@ static bool annotateAllFunctions(
     function_ref<TargetLibraryInfo &(Function &)> LookupTLI,
     function_ref<BranchProbabilityInfo *(Function &)> LookupBPI,
     function_ref<BlockFrequencyInfo *(Function &)> LookupBFI,
-    function_ref<LoopInfo *(Function &)> LookupLI,
-    ProfileSummaryInfo *PSI, bool IsCS) {
+    function_ref<LoopInfo *(Function &)> LookupLI, ProfileSummaryInfo *PSI,
+    bool IsCS) {
   LLVM_DEBUG(dbgs() << "Read in profile counters: ");
   auto &Ctx = M.getContext();
   // Read the counter array from file.

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https://github.com/llvm/llvm-project/pull/116789