[llvm-branch-commits] [llvm] [BOLT] Add pseudo probe inline tree to YAML profile (PR #107137)

[Amir Ayupov via llvm-branch-commits]

================
@@ -158,15 +164,35 @@ template <> struct 
MappingTraits<bolt::BinaryBasicBlockProfile> {
                        std::vector<bolt::CallSiteInfo>());
     YamlIO.mapOptional("succ", BBP.Successors,
                        std::vector<bolt::SuccessorInfo>());
-    YamlIO.mapOptional("pseudo_probes", BBP.PseudoProbes,
+    YamlIO.mapOptional("probes", BBP.PseudoProbes,
                        std::vector<bolt::PseudoProbeInfo>());
   }
 };
 
+namespace bolt {
+struct InlineTreeInfo {
+  uint32_t ParentIndexDelta;
+  uint32_t CallSiteProbe;
+  // Index in PseudoProbeDesc.GUID + 1, 0 for same as previous
+  uint32_t GUIDIndex;
----------------
aaupov wrote:

If you mean using `std::optional`, I don't think so. However we can distinguish 
`0` from "same as previous" and avoid `idx+1` by using a different default 
value (e.g. UINT32_MAX) for same as previous.

https://github.com/llvm/llvm-project/pull/107137
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