================
@@ -146,11 +149,138 @@ static cl::opt<unsigned> SplitThresholdForRegWithHint(
static RegisterRegAlloc greedyRegAlloc("greedy", "greedy register allocator",
createGreedyRegisterAllocator);
-char RAGreedy::ID = 0;
-char &llvm::RAGreedyID = RAGreedy::ID;
+namespace {
+class RAGreedyLegacy : public MachineFunctionPass {
+ RegAllocFilterFunc F;
-INITIALIZE_PASS_BEGIN(RAGreedy, "greedy",
- "Greedy Register Allocator", false, false)
+public:
+ RAGreedyLegacy(const RegAllocFilterFunc F = nullptr);
+
+ static char ID;
+ /// Return the pass name.
+ StringRef getPassName() const override { return "Greedy Register Allocator";
}
+
+ /// RAGreedy analysis usage.
+ void getAnalysisUsage(AnalysisUsage &AU) const override;
+ /// Perform register allocation.
+ bool runOnMachineFunction(MachineFunction &mf) override;
+
+ MachineFunctionProperties getRequiredProperties() const override {
+ return MachineFunctionProperties().set(
+ MachineFunctionProperties::Property::NoPHIs);
+ }
+
+ MachineFunctionProperties getClearedProperties() const override {
+ return MachineFunctionProperties().set(
+ MachineFunctionProperties::Property::IsSSA);
+ }
+};
+
+} // end anonymous namespace
+
+RAGreedyLegacy::RAGreedyLegacy(const RegAllocFilterFunc F)
+ : MachineFunctionPass(ID), F(F) {
+ initializeRAGreedyLegacyPass(*PassRegistry::getPassRegistry());
+}
+
+RAGreedy::RAGreedy(RequiredAnalyses &Analyses, const RegAllocFilterFunc F) :
RegAllocBase(F) {
+ setAnalyses(Analyses);
+}
+
+void RAGreedy::setAnalyses(RequiredAnalyses &Analyses) {
----------------
arsenm wrote:
Just do this directly in the constructor, there's no other user of setAnalyses
https://github.com/llvm/llvm-project/pull/119540
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