[llvm] [AMDGPU][NFCI] Decouple actual register encodings from HWEncoding values. (PR #69452)

[Ivan Kosarev via llvm-commits]

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@@ -38,9 +38,16 @@ using namespace llvm;
 
 #define DEBUG_TYPE "amdgpu-disassembler"
 
-#define SGPR_MAX                                                               \
-  (isGFX10Plus() ? AMDGPU::EncValues::SGPR_MAX_GFX10                           \
-                 : AMDGPU::EncValues::SGPR_MAX_SI)
+enum : unsigned {
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kosarev wrote:

OK. What namespace do we want `LITERAL_CONST` to be declared in? Would it make sense to rename `EncValues`  to `HWEncoding` and introduce another `EncValues` namespace for that kind of constants?

https://github.com/llvm/llvm-project/pull/69452