[PATCH] D136043: [CodeGen] Replace CCValAssign::Loc with a discriminated union (NFCI)

[Thorsten via Phabricator via llvm-commits]

tschuett added inline comments.


================
Comment at: llvm/include/llvm/CodeGen/CallingConvLower.h:63
+  // A union discriminated by the kind of the location.
+  union {
+    // When Kind == Register: the register that the value is assigned to.
----------------
You cannot use `std::variant<Register, unsigned, unsigned>`?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D136043/new/

https://reviews.llvm.org/D136043