[llvm] [AMDGPU] Move renamedInGFX9 from TableGen to SIInstrInfo helper function/macro to free up a bit slot (PR #82787)

[Matt Arsenault via llvm-commits]

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@@ -9221,13 +9221,43 @@ bool SIInstrInfo::isAsmOnlyOpcode(int MCOp) const {
   }
 }
 
+#define GENERATE_RENAMED_GFX9_CASES(OPCODE)                                    \
+  case OPCODE##_dpp:                                                           \
+  case OPCODE##_e32:                                                           \
+  case OPCODE##_e64:                                                           \
+  case OPCODE##_e64_dpp:                                                       \
+  case OPCODE##_sdwa:
+
+static bool isRenamedInGFX9(int Opcode) {
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arsenm wrote:

I don't like this bit, but I don't really like needing this list of opcodes either 

https://github.com/llvm/llvm-project/pull/82787