[profgen][NFC] Pass parameter as const_ref

Pass `ProbeNode` parameter of `trackInlineesOptimizedAway` as const
reference.

Reviewers: wlei-llvm, WenleiHe

Reviewed By: WenleiHe

Pull Request: #102787

Author: aaupov

llvm/include/llvm/MC/MCPseudoProbe.h

@@ -241,6 +241,7 @@ class MCPseudoProbeInlineTreeBase {
   InlinedProbeTreeMap &getChildren() { return Children; }
   const InlinedProbeTreeMap &getChildren() const { return Children; }
   std::vector<ProbeType> &getProbes() { return Probes; }
+  const std::vector<ProbeType> &getProbes() const { return Probes; }
   void addProbes(ProbeType Probe) { Probes.push_back(Probe); }
   // Caller node of the inline site
   MCPseudoProbeInlineTreeBase<ProbeType, DerivedProbeInlineTreeType> *Parent =

llvm/tools/llvm-profgen/ProfiledBinary.cpp

@@ -137,7 +137,8 @@ void BinarySizeContextTracker::trackInlineesOptimizedAway(
 
 void BinarySizeContextTracker::trackInlineesOptimizedAway(
     MCPseudoProbeDecoder &ProbeDecoder,
-    MCDecodedPseudoProbeInlineTree &ProbeNode, ProbeFrameStack &ProbeContext) {
+    const MCDecodedPseudoProbeInlineTree &ProbeNode,
+    ProbeFrameStack &ProbeContext) {
   StringRef FuncName =
       ProbeDecoder.getFuncDescForGUID(ProbeNode.Guid)->FuncName;
   ProbeContext.emplace_back(FuncName, 0);

llvm/tools/llvm-profgen/ProfiledBinary.h

@@ -167,9 +167,10 @@ class BinarySizeContextTracker {
   void trackInlineesOptimizedAway(MCPseudoProbeDecoder &ProbeDecoder);
 
   using ProbeFrameStack = SmallVector<std::pair<StringRef, uint32_t>>;
-  void trackInlineesOptimizedAway(MCPseudoProbeDecoder &ProbeDecoder,
-                                  MCDecodedPseudoProbeInlineTree &ProbeNode,
-                                  ProbeFrameStack &Context);
+  void
+  trackInlineesOptimizedAway(MCPseudoProbeDecoder &ProbeDecoder,
+                             const MCDecodedPseudoProbeInlineTree &ProbeNode,
+                             ProbeFrameStack &Context);
 
   void dump() { RootContext.dumpTree(); }