================
@@ -479,6 +481,11 @@ Error YAMLProfileReader::readProfile(BinaryContext &BC) {
NormalizeByInsnCount = usesEvent("cycles") || usesEvent("instructions");
NormalizeByCalls = usesEvent("branches");
+ // Map profiled function ids to names.
+ DenseMap<uint32_t, std::string *> IdToFunctionName;
----------------
shawbyoung wrote:
I came across an edge case where using a vector would not work - a testcase
where a profile had 16 profiled function but the largest profile id was 78.
Using a vector, e.g. resizing it to the # of profiled functions and using
function ids to index into the vector, would not work in this case.
https://github.com/llvm/llvm-project/pull/96596
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