[llvm] 8af44b0 - [Support] Use a C++17 fold expression in ScopedPrinter.h (NFC) (#161778)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-10-03T23:47:06-07:00
New Revision: 8af44b07db315baf9819d3395ab9efc64b26af08

URL: https://github.com/llvm/llvm-project/commit/8af44b07db315baf9819d3395ab9efc64b26af08
DIFF: https://github.com/llvm/llvm-project/commit/8af44b07db315baf9819d3395ab9efc64b26af08.diff

LOG: [Support] Use a C++17 fold expression in ScopedPrinter.h (NFC) (#161778)

Added: 
    

Modified: 
    llvm/include/llvm/Support/ScopedPrinter.h

Removed: 
    


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diff  --git a/llvm/include/llvm/Support/ScopedPrinter.h b/llvm/include/llvm/Support/ScopedPrinter.h
index a08cc8fd31fd2..94080e85a9048 100644
--- a/llvm/include/llvm/Support/ScopedPrinter.h
+++ b/llvm/include/llvm/Support/ScopedPrinter.h
@@ -284,9 +284,11 @@ class LLVM_ABI ScopedPrinter {
     startLine() << Label << ": " << (Value ? "Yes" : "No") << '\n';
   }
 
-  template <typename... T> void printVersion(StringRef Label, T... Version) {
+  template <typename T, typename... TArgs>
+  void printVersion(StringRef Label, T MajorVersion, TArgs... MinorVersions) {
     startLine() << Label << ": ";
-    printVersionInternal(Version...);
+    getOStream() << MajorVersion;
+    ((getOStream() << '.' << MinorVersions), ...);
     getOStream() << "\n";
   }
 
@@ -454,16 +456,6 @@ class LLVM_ABI ScopedPrinter {
   virtual raw_ostream &getOStream() { return OS; }
 
 private:
-  template <typename T> void printVersionInternal(T Value) {
-    getOStream() << Value;
-  }
-
-  template <typename S, typename T, typename... TArgs>
-  void printVersionInternal(S Value, T Value2, TArgs... Args) {
-    getOStream() << Value << ".";
-    printVersionInternal(Value2, Args...);
-  }
-
   static bool flagName(const FlagEntry &LHS, const FlagEntry &RHS) {
     return LHS.Name < RHS.Name;
   }