[llvm] [NFC] clang-format utils/TableGen (PR #80973)

[Pierre van Houtryve via llvm-commits]

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@@ -239,35 +241,58 @@ FindUniqueOperandCommands(std::vector<std::string> &UniqueOperandCommands,
   for (unsigned i = 0, e = InstrsForCase.size(); i != e; ++i) {
     std::string Instrs = InstrsForCase[i];
     if (Instrs.size() > 70) {
-      Instrs.erase(Instrs.begin()+70, Instrs.end());
+      Instrs.erase(Instrs.begin() + 70, Instrs.end());
       Instrs += "...";
     }
 
     if (!Instrs.empty())
-      UniqueOperandCommands[i] = "    // " + Instrs + "\n" +
-        UniqueOperandCommands[i];
+      UniqueOperandCommands[i] =
+          "    // " + Instrs + "\n" + UniqueOperandCommands[i];
   }
 }
 
 static void UnescapeString(std::string &Str) {
   for (unsigned i = 0; i != Str.size(); ++i) {
-    if (Str[i] == '\\' && i != Str.size()-1) {
-      switch (Str[i+1]) {
-      default: continue;  // Don't execute the code after the switch.
-      case 'a': Str[i] = '\a'; break;
-      case 'b': Str[i] = '\b'; break;
-      case 'e': Str[i] = 27; break;
-      case 'f': Str[i] = '\f'; break;
-      case 'n': Str[i] = '\n'; break;
-      case 'r': Str[i] = '\r'; break;
-      case 't': Str[i] = '\t'; break;
-      case 'v': Str[i] = '\v'; break;
-      case '"': Str[i] = '\"'; break;
-      case '\'': Str[i] = '\''; break;
-      case '\\': Str[i] = '\\'; break;
+    if (Str[i] == '\\' && i != Str.size() - 1) {
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Pierre-vh wrote:

idem

https://github.com/llvm/llvm-project/pull/80973