[AMDGPU][NPM] Port SIMemoryLegalizer to NPM (#130060)

Author: optimisan

llvm/lib/Target/AMDGPU/AMDGPU.h

@@ -358,6 +358,13 @@ class SIModeRegisterPass : public PassInfoMixin<SIModeRegisterPass> {
  PreservedAnalyses run(MachineFunction &F, MachineFunctionAnalysisManager &AM);
 };
 
+class SIMemoryLegalizerPass : public PassInfoMixin<SIMemoryLegalizerPass> {
+public:
+ PreservedAnalyses run(MachineFunction &MF,
+ MachineFunctionAnalysisManager &MFAM);
+ static bool isRequired() { return true; }
+};
+
 FunctionPass *createAMDGPUAnnotateUniformValuesLegacy();
 
 ModulePass *createAMDGPUPrintfRuntimeBinding();
@@ -422,7 +429,7 @@ class SIAnnotateControlFlowPass
 void initializeSIAnnotateControlFlowLegacyPass(PassRegistry &);
 extern char &SIAnnotateControlFlowLegacyPassID;
 
-void initializeSIMemoryLegalizerPass(PassRegistry&);
+void initializeSIMemoryLegalizerLegacyPass(PassRegistry &);
 extern char &SIMemoryLegalizerID;
 
 void initializeSIModeRegisterLegacyPass(PassRegistry &);

llvm/lib/Target/AMDGPU/AMDGPUPassRegistry.def

@@ -113,6 +113,7 @@ MACHINE_FUNCTION_PASS("si-load-store-opt", SILoadStoreOptimizerPass())
 MACHINE_FUNCTION_PASS("si-lower-control-flow", SILowerControlFlowPass())
 MACHINE_FUNCTION_PASS("si-lower-sgpr-spills", SILowerSGPRSpillsPass())
 MACHINE_FUNCTION_PASS("si-lower-wwm-copies", SILowerWWMCopiesPass())
+MACHINE_FUNCTION_PASS("si-memory-legalizer", SIMemoryLegalizerPass())
 MACHINE_FUNCTION_PASS("si-mode-register", SIModeRegisterPass())
 MACHINE_FUNCTION_PASS("si-opt-vgpr-liverange", SIOptimizeVGPRLiveRangePass())
 MACHINE_FUNCTION_PASS("si-optimize-exec-masking", SIOptimizeExecMaskingPass())
@@ -132,7 +133,6 @@ DUMMY_MACHINE_FUNCTION_PASS("amdgpu-set-wave-priority", AMDGPUSetWavePriorityPas
 DUMMY_MACHINE_FUNCTION_PASS("si-insert-hard-clauses", SIInsertHardClausesPass())
 DUMMY_MACHINE_FUNCTION_PASS("si-insert-waitcnts", SIInsertWaitcntsPass())
 DUMMY_MACHINE_FUNCTION_PASS("si-late-branch-lowering", SILateBranchLoweringPass())
-DUMMY_MACHINE_FUNCTION_PASS("si-memory-legalizer", SIMemoryLegalizerPass())
 DUMMY_MACHINE_FUNCTION_PASS("si-pre-emit-peephole", SIPreEmitPeepholePass())
 // TODO: Move amdgpu-preload-kern-arg-prolog to MACHINE_FUNCTION_PASS since it
 // already exists.

llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp

@@ -542,7 +542,7 @@ extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAMDGPUTarget() {
  initializeSILowerControlFlowLegacyPass(*PR);
  initializeSIPreEmitPeepholePass(*PR);
  initializeSILateBranchLoweringPass(*PR);
- initializeSIMemoryLegalizerPass(*PR);
+ initializeSIMemoryLegalizerLegacyPass(*PR);
  initializeSIOptimizeExecMaskingLegacyPass(*PR);
  initializeSIPreAllocateWWMRegsLegacyPass(*PR);
  initializeSIFormMemoryClausesLegacyPass(*PR);
@@ -2152,7 +2152,8 @@ void AMDGPUCodeGenPassBuilder::addPreEmitPass(AddMachinePass &addPass) const {
  if (isPassEnabled(EnableVOPD, CodeGenOptLevel::Less)) {
  // TODO: addPass(GCNCreateVOPDPass());
  }
- // TODO: addPass(SIMemoryLegalizerPass());
+
+ addPass(SIMemoryLegalizerPass());
  // TODO: addPass(SIInsertWaitcntsPass());
 
  // TODO: addPass(SIModeRegisterPass());

llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp

@@ -21,8 +21,10 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/MachinePassManager.h"
 #include "llvm/IR/DiagnosticInfo.h"
 #include "llvm/IR/MemoryModelRelaxationAnnotations.h"
+#include "llvm/IR/PassManager.h"
 #include "llvm/Support/AtomicOrdering.h"
 #include "llvm/TargetParser/TargetParser.h"
 
@@ -625,9 +627,9 @@ class SIGfx12CacheControl : public SIGfx11CacheControl {
  }
 };
 
-class SIMemoryLegalizer final : public MachineFunctionPass {
+class SIMemoryLegalizer final {
 private:
-
+ const MachineModuleInfo &MMI;
  /// Cache Control.
  std::unique_ptr<SICacheControl> CC = nullptr;
 
@@ -661,10 +663,16 @@ class SIMemoryLegalizer final : public MachineFunctionPass {
  bool expandAtomicCmpxchgOrRmw(const SIMemOpInfo &MOI,
  MachineBasicBlock::iterator &MI);
 
+public:
+ SIMemoryLegalizer(const MachineModuleInfo &MMI) : MMI(MMI) {};
+ bool run(MachineFunction &MF);
+};
+
+class SIMemoryLegalizerLegacy final : public MachineFunctionPass {
 public:
  static char ID;
 
- SIMemoryLegalizer() : MachineFunctionPass(ID) {}
+ SIMemoryLegalizerLegacy() : MachineFunctionPass(ID) {}
 
  void getAnalysisUsage(AnalysisUsage &AU) const override {
  AU.setPreservesCFG();
@@ -2767,11 +2775,26 @@ bool SIMemoryLegalizer::expandAtomicCmpxchgOrRmw(const SIMemOpInfo &MOI,
  return Changed;
 }
 
-bool SIMemoryLegalizer::runOnMachineFunction(MachineFunction &MF) {
- bool Changed = false;
-
+bool SIMemoryLegalizerLegacy::runOnMachineFunction(MachineFunction &MF) {
  const MachineModuleInfo &MMI =
  getAnalysis<MachineModuleInfoWrapperPass>().getMMI();
+ return SIMemoryLegalizer(MMI).run(MF);
+}
+
+PreservedAnalyses
+SIMemoryLegalizerPass::run(MachineFunction &MF,
+ MachineFunctionAnalysisManager &MFAM) {
+ auto *MMI = MFAM.getResult<ModuleAnalysisManagerMachineFunctionProxy>(MF)
+ .getCachedResult<MachineModuleAnalysis>(
+ *MF.getFunction().getParent());
+ assert(MMI && "MachineModuleAnalysis must be available");
+ if (!SIMemoryLegalizer(MMI->getMMI()).run(MF))
+ return PreservedAnalyses::all();
+ return getMachineFunctionPassPreservedAnalyses().preserveSet<CFGAnalyses>();
+}
+
+bool SIMemoryLegalizer::run(MachineFunction &MF) {
+ bool Changed = false;
 
  SIMemOpAccess MOA(MMI.getObjFileInfo<AMDGPUMachineModuleInfo>());
  CC = SICacheControl::create(MF.getSubtarget<GCNSubtarget>());
@@ -2812,11 +2835,11 @@ bool SIMemoryLegalizer::runOnMachineFunction(MachineFunction &MF) {
  return Changed;
 }
 
-INITIALIZE_PASS(SIMemoryLegalizer, DEBUG_TYPE, PASS_NAME, false, false)
+INITIALIZE_PASS(SIMemoryLegalizerLegacy, DEBUG_TYPE, PASS_NAME, false, false)
 
-char SIMemoryLegalizer::ID = 0;
-char &llvm::SIMemoryLegalizerID = SIMemoryLegalizer::ID;
+char SIMemoryLegalizerLegacy::ID = 0;
+char &llvm::SIMemoryLegalizerID = SIMemoryLegalizerLegacy::ID;
 
 FunctionPass *llvm::createSIMemoryLegalizerPass() {
- return new SIMemoryLegalizer();
+ return new SIMemoryLegalizerLegacy();
 }