[CSSPGO] Remove used of PseudoProbeAttributes::Reserved

[modimo]

Summary

D106861 added usage of PseudoProbeAttributes::Reserved as TailCall however this usage hasn't been committed/reviewed. Removing this usage.

Testing
ninja check-all

[wenlei]

good catch, thanks.

llvm/include/llvm/MC/MCPseudoProbe.h

protected:
   const static uint32_t PseudoProbeFirstId = 1;
 
 public:
   MCPseudoProbeBase(uint64_t G, uint64_t I, uint64_t At, uint8_t T)
       : Guid(G), Index(I), Attributes(At), Type(T) {}
 
   bool isEntry() const { return Index == PseudoProbeFirstId; }
 
-  bool isTailCall() const {
-    return Attributes & static_cast<uint8_t>(PseudoProbeAttributes::Reserved);
-  }
-
   uint64_t getGuid() const { return Guid; }
 
   uint64_t getIndex() const { return Index; }
 
   uint8_t getAttributes() const { return Attributes; }
 
   uint8_t getType() const { return Type; }
 

llvm/lib/MC/MCPseudoProbe.cpp

void MCDecodedPseudoProbe::print(raw_ostream &OS,
   if (ShowName) {
     StringRef FuncName = getProbeFNameForGUID(GUID2FuncMAP, Guid);
     OS << FuncName.str() << " ";
   } else {
     OS << Guid << " ";
   }
   OS << "Index: " << Index << "  ";
   OS << "Type: " << PseudoProbeTypeStr[static_cast<uint8_t>(Type)] << "  ";
-  if (isTailCall()) {
-    OS << "TailCall  ";
-  }
   std::string InlineContextStr = getInlineContextStr(GUID2FuncMAP, ShowName);
   if (InlineContextStr.size()) {
     OS << "Inlined: @ ";
     OS << InlineContextStr;
   }
   OS << "\n";
 }