================
@@ -69,6 +81,241 @@ FunctionPass *llvm::createAMDGPURBLegalizePass() {
using namespace AMDGPU;
+const RegBankLegalizeRules &getRules(const GCNSubtarget &ST,
+ MachineRegisterInfo &MRI) {
+ static std::mutex GlobalMutex;
+ static SmallDenseMap<unsigned, std::unique_ptr<RegBankLegalizeRules>>
+ CacheForRuleSet;
+ std::lock_guard<std::mutex> Lock(GlobalMutex);
----------------
arsenm wrote:
Use the usual llvm::call_once hack for this?
https://github.com/llvm/llvm-project/pull/112864
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