[llvm] [BOLT][NFC] Make YamlProfileToFunction a DenseMap (PR #108712)

[Amir Ayupov via llvm-commits]

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@@ -105,7 +105,7 @@ class YAMLProfileReader : public ProfileReaderBase {
   yaml::bolt::BinaryProfile YamlBP;
 
   /// Map a function ID from a YAML profile to a BinaryFunction object.
-  std::vector<BinaryFunction *> YamlProfileToFunction;
+  DenseMap<uint32_t, BinaryFunction *> YamlProfileToFunction;
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aaupov wrote:

I don't think it does: DenseMap stores objects in buckets where bucket is a KV pair where the second element (pointer) would force the alignment to be 8b.

https://github.com/llvm/llvm-project/pull/108712