[llvm] [SampleFDO] Stale profile call-graph matching (PR #92151)

[via llvm-commits]

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@@ -20,12 +20,31 @@ using namespace sampleprof;
 
 #define DEBUG_TYPE "sample-profile-matcher"
 
+static cl::opt<bool> SalvageRenamedProfile(
+    "salvage-renamed-profile", cl::Hidden, cl::init(false),
+    cl::desc("Salvage renamed profile by function renaming matching."));
+
+static cl::opt<unsigned> RenamedFuncSimilarityThreshold(
+    "renamed-func-similarity-threshold", cl::Hidden, cl::init(80),
+    cl::desc("The profile matches the function if their similarity is above "
+             "the given number(percentage)."));
+
+static cl::opt<unsigned> MinBBForCGMatching(
+    "min-bb-for-cg-matching", cl::Hidden, cl::init(5),
+    cl::desc("The minimum number of basic blocks required for a function to "
+             "run stale profile call graph matching."));
+
+static cl::opt<unsigned> MinCallAnchorForCGMatching(
+    "min-call-for-cg-matching", cl::Hidden, cl::init(3),
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WenleiHe wrote:

nit: `min-call-count-for-cg-matching`?

https://github.com/llvm/llvm-project/pull/92151