[llvm] Introduction of Composite Profile section in ExtBinary format (PR #166553)

[Snehasish Kumar via llvm-commits]

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@@ -61,6 +71,16 @@ static cl::opt<bool> WriteEytzingerNameTables(
     cl::desc("Write Eytzinger 3-span layout for NameTable and parallel "
              "FuncOffsetTable"));
 
+static cl::opt<bool>
+    ExtBinaryCompositeProf("extbinary-composite-prof", cl::init(false),
+                           cl::Hidden,
+                           cl::desc("Use the composite profile format"));
+
+/// Return whether the profile requires the composite ExtBinary representation.
+static bool usesCompositeProfile(const SampleProfileMap &ProfileMap) {
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snehasish wrote:

This method is only called in one place and it would be clearer to inline the logic.

https://github.com/llvm/llvm-project/pull/166553