[clang] [clang] Implement __builtin_popcountg (PR #82359)

[Björn Pettersson via cfe-commits]

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@@ -3216,7 +3216,8 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID,
   case Builtin::BI__popcnt64:
   case Builtin::BI__builtin_popcount:
   case Builtin::BI__builtin_popcountl:
-  case Builtin::BI__builtin_popcountll: {
+  case Builtin::BI__builtin_popcountll:
+  case Builtin::BI__builtin_popcountg: {
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bjope wrote:

I've opened a pull-request to also adjust the codegen here, to make sure that we use an unsigned cast between the LLVM intrinsic result type and the builtins return type. See https://github.com/llvm/llvm-project/pull/90845

https://github.com/llvm/llvm-project/pull/82359