[clang] [PGO] Add ability to mark cold functions as optsize/minsize/optnone (PR #69030)

[David Li via cfe-commits]

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@@ -202,6 +202,18 @@ static cl::opt<std::string>
                          cl::desc("Path to the profile remapping file."),
                          cl::Hidden);
 
+static cl::opt<PGOOptions::ColdFuncAttr> PGOColdFuncAttr(
+    "pgo-cold-func-attr", cl::init(PGOOptions::ColdFuncAttr::None), cl::Hidden,
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david-xl wrote:

pgo-cold-func-opt

https://github.com/llvm/llvm-project/pull/69030