================
@@ -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);
+ if (!CacheForRuleSet.contains(ST.getGeneration())) {
+ auto Rules = std::make_unique<RegBankLegalizeRules>(ST, MRI);
+ CacheForRuleSet[ST.getGeneration()] = std::move(Rules);
+ } else {
+ CacheForRuleSet[ST.getGeneration()]->refreshRefs(ST, MRI);
+ }
+ return *CacheForRuleSet[ST.getGeneration()];
+}
+
bool AMDGPURBLegalize::runOnMachineFunction(MachineFunction &MF) {
+
+ const GCNSubtarget &ST = MF.getSubtarget<GCNSubtarget>();
+ MachineRegisterInfo &MRI = MF.getRegInfo();
+
+ // Setup the instruction builder with CSE.
+ std::unique_ptr<MachineIRBuilder> MIRBuilder;
----------------
petar-avramovic wrote:
Simplified to always use CSE builder
https://github.com/llvm/llvm-project/pull/112864
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