================
@@ -374,15 +393,34 @@ Error YAMLProfileReader::readProfile(BinaryContext &BC) {
// the profile.
Function.setExecutionCount(BinaryFunction::COUNT_NO_PROFILE);
- // Recompute hash once per function.
- if (!opts::IgnoreHash)
- Function.computeHash(YamlBP.Header.IsDFSOrder,
- YamlBP.Header.HashFunction);
-
- if (profileMatches(YamlBF, Function))
+ if (profileMatches(YamlBF, Function)) {
matchProfileToFunction(YamlBF, Function);
+ ++MatchedWithExactName;
+ }
}
+ // Uses the strict hash of profiled and binary functions to match functions
+ // that are not matched by name or common name.
+ if (opts::MatchingFunctionsWithHash) {
----------------
shawbyoung wrote:
In BOLT, a strict hash captures a binary function's block order as well as each
blocks' instructions & opcodes. So, the goal of this PR is to recover
block-identical functions that have been simply been renamed.
https://github.com/llvm/llvm-project/pull/95821
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