[llvm] [llvm-debuginfo-analyzer] Add support for LLVM IR format. (PR #135440)

[Javier Lopez-Gomez via llvm-commits]

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@@ -119,6 +119,19 @@ template <typename T> class LVProperties {
 #define KIND_3(ENUM, FIELD, F1, F2, F3)                                        \
   BOOL_BIT_3(Kinds, ENUM, FIELD, F1, F2, F3)
 
+const int DEC_WIDTH = 8;
+inline FormattedNumber decValue(uint64_t N, unsigned Width = DEC_WIDTH) {
+  return format_decimal(N, Width);
+}
+
+// Output the decimal representation of 'Value'.
+inline std::string decString(uint64_t Value, size_t Width = DEC_WIDTH) {
+  std::string String;
+  raw_string_ostream Stream(String);
+  Stream << decValue(Value, Width);
+  return Stream.str();
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jalopezg-git wrote:

I suspect the suggestion below will use NRVO (while `Stream.str()` will not).
```suggestion
  return String;
```

https://github.com/llvm/llvm-project/pull/135440