[llvm-branch-commits] [llvm] [BOLT] Match blocks with pseudo probes (PR #99891)

[Lei Wang via llvm-branch-commits]

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@@ -482,6 +584,30 @@ matchWeightsByHashes(BinaryContext &BC,
                       << Twine::utohexstr(BB->getHash()) << "\n");
   }
   StaleMatcher Matcher;
+  // Collects function pseudo probes for use in the StaleMatcher.
+  if (opts::StaleMatchingWithPseudoProbes) {
+    const MCPseudoProbeDecoder *Decoder = BC.getPseudoProbeDecoder();
+    assert(Decoder &&
+           "If pseudo probes are in use, pseudo probe decoder should exist");
+    const AddressProbesMap &ProbeMap = Decoder->getAddress2ProbesMap();
+    const uint64_t FuncAddr = BF.getAddress();
+    auto GetTopLevelNodeByGUID =
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wlei-llvm wrote:

Can we move this into the `matchInlineTrees`? I didn't find any other usages in this function.

https://github.com/llvm/llvm-project/pull/99891