[clang] [clang][bytecode][NFC] Clean up Integral::from() functions (PR #169513)

[Timm Baeder via cfe-commits]

https://github.com/tbaederr created https://github.com/llvm/llvm-project/pull/169513

None

>From d910829febd43813d89ef80d4c3f3992223202fe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timm=20B=C3=A4der?= <tbaeder at redhat.com>
Date: Tue, 25 Nov 2025 17:16:01 +0100
Subject: [PATCH] [clang][bytecode][NFC] Clean up Integral::from() functions

---
 clang/lib/AST/ByteCode/Integral.h | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/clang/lib/AST/ByteCode/Integral.h b/clang/lib/AST/ByteCode/Integral.h
index 131802439f0c5..5bf6621874e69 100644
--- a/clang/lib/AST/ByteCode/Integral.h
+++ b/clang/lib/AST/ByteCode/Integral.h
@@ -202,26 +202,21 @@ template <unsigned Bits, bool Signed> class Integral final {
 
   static Integral min(unsigned NumBits) { return Integral(Min); }
   static Integral max(unsigned NumBits) { return Integral(Max); }
+  static Integral zero(unsigned BitWidth = 0) { return from(0); }
 
-  template <typename ValT> static Integral from(ValT Value) {
-    if constexpr (std::is_integral<ValT>::value)
+  template <typename ValT>
+  static Integral from(ValT Value, unsigned NumBits = 0) {
+    if constexpr (std::is_integral_v<ValT>)
       return Integral(Value);
     else
-      return Integral::from(static_cast<Integral::ReprT>(Value));
+      return Integral(static_cast<Integral::ReprT>(Value));
   }
 
   template <unsigned SrcBits, bool SrcSign>
-  static std::enable_if_t<SrcBits != 0, Integral>
-  from(Integral<SrcBits, SrcSign> Value) {
+  static Integral from(Integral<SrcBits, SrcSign> Value) {
     return Integral(Value.V);
   }
 
-  static Integral zero(unsigned BitWidth = 0) { return from(0); }
-
-  template <typename T> static Integral from(T Value, unsigned NumBits) {
-    return Integral(Value);
-  }
-
   static bool inRange(int64_t Value, unsigned NumBits) {
     return CheckRange<ReprT, Min, Max>(Value);
   }