[llvm] [StaticDataLayout][PGO] Add profile format for static data layout, and the classes to operate on the profiles. (PR #138170)

[Teresa Johnson via llvm-commits]

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@@ -747,6 +752,161 @@ TEST(MemProf, YAMLParser) {
                                ElementsAre(0x3000)))));
 }
 
+static std::string ErrorToString(Error E) {
+  std::string ErrMsg;
+  llvm::raw_string_ostream OS(ErrMsg);
+  llvm::logAllUnhandledErrors(std::move(E), OS);
+  return ErrMsg;
+}
+
+// Test the various scenarios when DataAccessProfData should return error on
+// invalid input.
+TEST(MemProf, DataAccessProfileError) {
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teresajohnson wrote:

Maybe the DataAccessProf tests should be moved to a dedicated DataAccessProfTest.cpp file to mirror where they are defined?

https://github.com/llvm/llvm-project/pull/138170