Commit 0bc68ca4 authored by Fangrui Song's avatar Fangrui Song
Browse files

[TableGen] Optimize SizeToOperandName iteration. NFC

parent 126f0374

llvm/utils/TableGen/InstrInfoEmitter.cpp

+3 −2
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#include "Types.h"

#include "llvm/ADT/ArrayRef.h"

#include "llvm/ADT/STLExtras.h"

#include "llvm/ADT/SmallVector.h"

#include "llvm/ADT/StringExtras.h"

#include "llvm/Support/Casting.h"

#include "llvm/Support/raw_ostream.h"
@@ -474,7 +475,7 @@ void InstrInfoEmitter::emitOperandTypeMappings( 
  OS << "LLVM_READONLY\n";

  OS << "static int getMemOperandSize(int OpType) {\n";

  OS << "  switch (OpType) {\n";

  std::map<int, std::vector<StringRef>> SizeToOperandName;

  std::map<int, SmallVector<StringRef, 0>> SizeToOperandName;

  for (const Record *Op : Operands) {

    if (!Op->isSubClassOf("X86MemOperand"))

      continue;
@@ -482,7 +483,7 @@ void InstrInfoEmitter::emitOperandTypeMappings( 
      SizeToOperandName[Size].push_back(Op->getName());

  }

  OS << "  default: return 0;\n";

  for (auto KV : SizeToOperandName) {

  for (const auto &KV : SizeToOperandName) {

    for (const StringRef &OperandName : KV.second)

      OS << "  case OpTypes::" << OperandName << ":\n";

    OS << "    return " << KV.first << ";\n\n";