[CodeGen][NewPM] Port MachineCycleInfo to NPM

Author: optimisan

llvm/include/llvm/CodeGen/MachineCycleAnalysis.h

@@ -16,6 +16,7 @@
 
 #include "llvm/ADT/GenericCycleInfo.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/MachinePassManager.h"
 #include "llvm/CodeGen/MachineSSAContext.h"
 
 namespace llvm {
@@ -46,6 +47,26 @@ class MachineCycleInfoWrapperPass : public MachineFunctionPass {
 //       version.
 bool isCycleInvariant(const MachineCycle *Cycle, MachineInstr &I);
 
+class MachineCycleAnalysis : public AnalysisInfoMixin<MachineCycleAnalysis> {
+  friend AnalysisInfoMixin<MachineCycleAnalysis>;
+  static AnalysisKey Key;
+
+public:
+  using Result = MachineCycleInfo;
+
+  Result run(MachineFunction &MF, MachineFunctionAnalysisManager &MFAM);
+};
+
+class MachineCycleInfoPrinterPass
+    : public PassInfoMixin<MachineCycleInfoPrinterPass> {
+  raw_ostream &OS;
+
+public:
+  explicit MachineCycleInfoPrinterPass(raw_ostream &OS) : OS(OS) {}
+  PreservedAnalyses run(MachineFunction &MF,
+                        MachineFunctionAnalysisManager &MFAM);
+};
+
 } // end namespace llvm
 
 #endif // LLVM_CODEGEN_MACHINECYCLEANALYSIS_H

llvm/include/llvm/InitializePasses.h

@@ -191,7 +191,7 @@ void initializeMachineCFGPrinterPass(PassRegistry &);
 void initializeMachineCSELegacyPass(PassRegistry &);
 void initializeMachineCombinerPass(PassRegistry &);
 void initializeMachineCopyPropagationLegacyPass(PassRegistry &);
-void initializeMachineCycleInfoPrinterPassPass(PassRegistry &);
+void initializeMachineCycleInfoPrinterLegacyPass(PassRegistry &);
 void initializeMachineCycleInfoWrapperPassPass(PassRegistry &);
 void initializeMachineDominanceFrontierPass(PassRegistry &);
 void initializeMachineDominatorTreeWrapperPassPass(PassRegistry &);

llvm/include/llvm/Passes/MachinePassRegistry.def

@@ -106,6 +106,7 @@ MACHINE_FUNCTION_ANALYSIS("live-vars", LiveVariablesAnalysis())
 MACHINE_FUNCTION_ANALYSIS("machine-block-freq", MachineBlockFrequencyAnalysis())
 MACHINE_FUNCTION_ANALYSIS("machine-branch-prob",
                           MachineBranchProbabilityAnalysis())
+MACHINE_FUNCTION_ANALYSIS("machine-cycles", MachineCycleAnalysis())
 MACHINE_FUNCTION_ANALYSIS("machine-dom-tree", MachineDominatorTreeAnalysis())
 MACHINE_FUNCTION_ANALYSIS("machine-loops", MachineLoopAnalysis())
 MACHINE_FUNCTION_ANALYSIS("machine-opt-remark-emitter",
@@ -164,6 +165,7 @@ MACHINE_FUNCTION_PASS("print<machine-branch-prob>",
 MACHINE_FUNCTION_PASS("print<machine-dom-tree>",
                       MachineDominatorTreePrinterPass(errs()))
 MACHINE_FUNCTION_PASS("print<machine-loops>", MachineLoopPrinterPass(errs()))
+MACHINE_FUNCTION_PASS("print<machine-cycles>", MachineCycleInfoPrinterPass(errs()))
 MACHINE_FUNCTION_PASS("print<machine-post-dom-tree>",
                       MachinePostDominatorTreePrinterPass(errs()))
 MACHINE_FUNCTION_PASS("print<slot-indexes>", SlotIndexesPrinterPass(errs()))
@@ -254,7 +256,6 @@ DUMMY_MACHINE_FUNCTION_PASS("mirfs-discriminators", MIRAddFSDiscriminatorsPass)
 DUMMY_MACHINE_FUNCTION_PASS("patchable-function", PatchableFunctionPass)
 DUMMY_MACHINE_FUNCTION_PASS("postra-machine-sink", PostRAMachineSinkingPass)
 DUMMY_MACHINE_FUNCTION_PASS("postrapseudos", ExpandPostRAPseudosPass)
-DUMMY_MACHINE_FUNCTION_PASS("print-machine-cycles", MachineCycleInfoPrinterPass)
 DUMMY_MACHINE_FUNCTION_PASS("print-machine-uniformity", MachineUniformityInfoPrinterPass)
 DUMMY_MACHINE_FUNCTION_PASS("processimpdefs", ProcessImplicitDefsPass)
 DUMMY_MACHINE_FUNCTION_PASS("prologepilog", PrologEpilogInserterPass)

llvm/lib/CodeGen/CodeGen.cpp

@@ -78,7 +78,7 @@ void llvm::initializeCodeGen(PassRegistry &Registry) {
   initializeMachineCSELegacyPass(Registry);
   initializeMachineCombinerPass(Registry);
   initializeMachineCopyPropagationLegacyPass(Registry);
-  initializeMachineCycleInfoPrinterPassPass(Registry);
+  initializeMachineCycleInfoPrinterLegacyPass(Registry);
   initializeMachineCycleInfoWrapperPassPass(Registry);
   initializeMachineDominatorTreeWrapperPassPass(Registry);
   initializeMachineFunctionPrinterPassPass(Registry);

llvm/lib/CodeGen/MachineCycleAnalysis.cpp

@@ -54,43 +54,63 @@ void MachineCycleInfoWrapperPass::releaseMemory() {
   F = nullptr;
 }
 
+AnalysisKey MachineCycleAnalysis::Key;
+
+MachineCycleInfo
+MachineCycleAnalysis::run(MachineFunction &MF,
+                          MachineFunctionAnalysisManager &MFAM) {
+  MachineCycleInfo MCI;
+  MCI.compute(MF);
+  return MCI;
+}
+
 namespace {
-class MachineCycleInfoPrinterPass : public MachineFunctionPass {
+class MachineCycleInfoPrinterLegacy : public MachineFunctionPass {
 public:
   static char ID;
 
-  MachineCycleInfoPrinterPass();
+  MachineCycleInfoPrinterLegacy();
 
   bool runOnMachineFunction(MachineFunction &F) override;
   void getAnalysisUsage(AnalysisUsage &AU) const override;
 };
 } // namespace
 
-char MachineCycleInfoPrinterPass::ID = 0;
+char MachineCycleInfoPrinterLegacy::ID = 0;
 
-MachineCycleInfoPrinterPass::MachineCycleInfoPrinterPass()
+MachineCycleInfoPrinterLegacy::MachineCycleInfoPrinterLegacy()
     : MachineFunctionPass(ID) {
-  initializeMachineCycleInfoPrinterPassPass(*PassRegistry::getPassRegistry());
+  initializeMachineCycleInfoPrinterLegacyPass(*PassRegistry::getPassRegistry());
 }
 
-INITIALIZE_PASS_BEGIN(MachineCycleInfoPrinterPass, "print-machine-cycles",
+INITIALIZE_PASS_BEGIN(MachineCycleInfoPrinterLegacy, "print-machine-cycles",
                       "Print Machine Cycle Info Analysis", true, true)
 INITIALIZE_PASS_DEPENDENCY(MachineCycleInfoWrapperPass)
-INITIALIZE_PASS_END(MachineCycleInfoPrinterPass, "print-machine-cycles",
+INITIALIZE_PASS_END(MachineCycleInfoPrinterLegacy, "print-machine-cycles",
                     "Print Machine Cycle Info Analysis", true, true)
 
-void MachineCycleInfoPrinterPass::getAnalysisUsage(AnalysisUsage &AU) const {
+void MachineCycleInfoPrinterLegacy::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.setPreservesAll();
   AU.addRequired<MachineCycleInfoWrapperPass>();
   MachineFunctionPass::getAnalysisUsage(AU);
 }
 
-bool MachineCycleInfoPrinterPass::runOnMachineFunction(MachineFunction &F) {
+bool MachineCycleInfoPrinterLegacy::runOnMachineFunction(MachineFunction &F) {
   auto &CI = getAnalysis<MachineCycleInfoWrapperPass>();
   CI.print(errs());
   return false;
 }
 
+PreservedAnalyses
+MachineCycleInfoPrinterPass::run(MachineFunction &MF,
+                                 MachineFunctionAnalysisManager &MFAM) {
+  OS << "MachineCycleInfo for function: " << MF.getName() << "\n";
+
+  auto &MCI = MFAM.getResult<MachineCycleAnalysis>(MF);
+  MCI.print(OS);
+  return PreservedAnalyses::all();
+}
+
 bool llvm::isCycleInvariant(const MachineCycle *Cycle, MachineInstr &I) {
   MachineFunction *MF = I.getParent()->getParent();
   MachineRegisterInfo *MRI = &MF->getRegInfo();

llvm/lib/Passes/PassBuilder.cpp

@@ -111,6 +111,7 @@
 #include "llvm/CodeGen/MachineBranchProbabilityInfo.h"
 #include "llvm/CodeGen/MachineCSE.h"
 #include "llvm/CodeGen/MachineCopyPropagation.h"
+#include "llvm/CodeGen/MachineCycleAnalysis.h"
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
 #include "llvm/CodeGen/MachineLICM.h"

llvm/test/CodeGen/X86/cycle-info.mir

@@ -1,5 +1,7 @@
 # RUN: llc -mtriple=x86_64-unknown-linux-gnu -run-pass=print-machine-cycles -o - %s 2>&1 | FileCheck %s
 
+# RUN: llc -mtriple=x86_64-unknown-linux-gnu -passes="print<machine-cycles>" -o - %s 2>&1 | FileCheck %s
+
 ...
 ---
 # CHECK-LABEL: MachineCycleInfo for function: empty