[CodeGen][NewPM] Port MachineCycleInfo to NPM (llvm#114745)

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 +47,27 @@ 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);
+  static bool isRequired() { return true; }
+};
+
 } // 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",
@@ -162,6 +163,7 @@ MACHINE_FUNCTION_PASS("print<machine-block-freq>",
                       MachineBlockFrequencyPrinterPass(errs()))
 MACHINE_FUNCTION_PASS("print<machine-branch-prob>",
                       MachineBranchProbabilityPrinterPass(errs()))
+MACHINE_FUNCTION_PASS("print<machine-cycles>", MachineCycleInfoPrinterPass(errs()))
 MACHINE_FUNCTION_PASS("print<machine-dom-tree>",
                       MachineDominatorTreePrinterPass(errs()))
 MACHINE_FUNCTION_PASS("print<machine-loops>", MachineLoopPrinterPass(errs()))
@@ -263,7 +265,6 @@ 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 +54,61 @@ 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) {
+  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

@@ -1,8 +1,11 @@
-# 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 -run-pass=print-machine-cycles -o - %s 2>&1 | FileCheck %s --check-prefixes=LEGACY,CHECK
+
+# RUN: llc -mtriple=x86_64-unknown-linux-gnu -passes="machine-function(print,print<machine-cycles>)" -o - %s 2>&1 | FileCheck %s --check-prefixes=NPM,CHECK
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: empty
+# LEGACY-LABEL: MachineCycleInfo for function: empty
+# NPM-LABEL: name: empty
 name:            empty
 alignment:       16
 tracksRegLiveness: true
@@ -15,7 +18,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: simple
+# LEGACY-LABEL: MachineCycleInfo for function: simple
+# NPM-LABEL: name: simple
 # CHECK:           depth=1: entries(bb.1)
 name:            simple
 alignment:       16
@@ -40,7 +44,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: two_latches
+# LEGACY-LABEL: MachineCycleInfo for function: two_latches
+# NPM-LABEL: name: two_latches
 # CHECK:           depth=1: entries(bb.1) bb.2
 name:            two_latches
 alignment:       16
@@ -72,7 +77,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: nested_simple
+# LEGACY-LABEL: MachineCycleInfo for function: nested_simple
+# NPM-LABEL: name: nested_simple
 # CHECK:           depth=1: entries(bb.1) bb.3 bb.2
 # CHECK:               depth=2: entries(bb.2)
 name:            nested_simple
@@ -108,7 +114,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: nested_outer_latch_in_inner_loop
+# LEGACY-LABEL: MachineCycleInfo for function: nested_outer_latch_in_inner_loop
+# NPM-LABEL: name: nested_outer_latch_in_inner_loop
 # CHECK:           depth=1: entries(bb.1) bb.2 bb.3
 # CHECK:               depth=2: entries(bb.2) bb.3
 name:            nested_outer_latch_in_inner_loop
@@ -144,7 +151,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: sibling_loops
+# LEGACY-LABEL: MachineCycleInfo for function: sibling_loops
+# NPM-LABEL: name: sibling_loops
 # CHECK:           depth=1: entries(bb.1)
 # CHECK:           depth=1: entries(bb.2)
 name:            sibling_loops
@@ -181,7 +189,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: serial_loops
+# LEGACY-LABEL: MachineCycleInfo for function: serial_loops
+# NPM-LABEL: name: serial_loops
 # CHECK:           depth=1: entries(bb.2)
 # CHECK:           depth=1: entries(bb.1)
 name:            serial_loops
@@ -214,7 +223,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: nested_sibling_loops
+# LEGACY-LABEL: MachineCycleInfo for function: nested_sibling_loops
+# NPM-LABEL: name: nested_sibling_loops
 # CHECK:           depth=1: entries(bb.1) bb.4 bb.5 bb.3 bb.2
 # CHECK:               depth=2: entries(bb.4) bb.5
 # CHECK:               depth=2: entries(bb.2)
@@ -277,7 +287,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: deeper_nest
+# LEGACY-LABEL: MachineCycleInfo for function: deeper_nest
+# NPM-LABEL: name: deeper_nest
 # CHECK:           depth=1: entries(bb.1) bb.5 bb.2 bb.3 bb.4
 # CHECK:               depth=2: entries(bb.2) bb.3 bb.4
 # CHECK:                   depth=3: entries(bb.3) bb.4
@@ -324,7 +335,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: irreducible_basic
+# LEGACY-LABEL: MachineCycleInfo for function: irreducible_basic
+# NPM-LABEL: name: irreducible_basic
 # CHECK:           depth=1: entries(bb.2 bb.1)
 name:            irreducible_basic
 alignment:       16
@@ -360,7 +372,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: irreducible_mess
+# LEGACY-LABEL: MachineCycleInfo for function: irreducible_mess
+# NPM-LABEL: name: irreducible_mess
 # CHECK:           depth=1: entries(bb.2 bb.1) bb.6 bb.5 bb.3 bb.4
 # CHECK:               depth=2: entries(bb.5 bb.3 bb.1) bb.4
 # CHECK:                   depth=3: entries(bb.3 bb.1) bb.4
@@ -436,7 +449,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: irreducible_into_simple_cycle
+# LEGACY-LABEL: MachineCycleInfo for function: irreducible_into_simple_cycle
+# NPM-LABEL: name: irreducible_into_simple_cycle
 # CHECK:           depth=1: entries(bb.2 bb.7 bb.4) bb.6 bb.5 bb.3
 name:            irreducible_into_simple_cycle
 alignment:       16
@@ -495,7 +509,8 @@ body:             |
 
 ...
 ---
-# CHECK-LABEL: MachineCycleInfo for function: irreducible_mountain_bug
+# LEGACY-LABEL: MachineCycleInfo for function: irreducible_mountain_bug
+# NPM-LABEL: name: irreducible_mountain_bug
 # CHECK:           depth=1: entries(bb.6) bb.11 bb.10 bb.8 bb.7 bb.9 bb.12
 # CHECK:               depth=2: entries(bb.10 bb.7) bb.8 bb.9
 # CHECK:                   depth=3: entries(bb.8 bb.7) bb.9