[AMDGPU] Avoid repeated hash lookups (NFC)#130235

kazutakahirata merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

kazutakahirata:cleanup_001_repeated_hash_lookups_llvm_AMDGPUkazutakahirata/llvm-project:cleanup_001_repeated_hash_lookups_llvm_AMDGPUCopy head branch name to clipboard