[llvm] [AMDGPU] Update VOP instructions for GFX12 (PR #74853)

[Jay Foad via llvm-commits]

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@@ -3411,12 +3411,16 @@ unsigned AMDGPUAsmParser::getConstantBusLimit(unsigned Opcode) const {
   case AMDGPU::V_LSHLREV_B64_e64:
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jayfoad wrote:

Nit: I guess we should move this function into AMDGPUAsmUtils instead of duplicating it in AMDGPUSubtarget and AMDGPUAsmParser.

https://github.com/llvm/llvm-project/pull/74853