[CodeGen][NewPM] Port `machine-loops` to new pass manager (#97793)

- Add `MachineLoopAnalysis`.
- Add `MachineLoopPrinterPass`.
- Convert to `MachineLoopInfoWrapperPass` in legacy pass manager.

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/MachinePipeliner.cpp b/llvm/lib/CodeGen/MachinePipeliner.cpp
index 515c7f8..4460f1f 100644
--- a/llvm/lib/CodeGen/MachinePipeliner.cpp
+++ b/llvm/lib/CodeGen/MachinePipeliner.cpp
@@ -234,7 +234,7 @@ char &llvm::MachinePipelinerID = MachinePipeliner::ID;
 INITIALIZE_PASS_BEGIN(MachinePipeliner, DEBUG_TYPE,
                       "Modulo Software Pipelining", false, false)
 INITIALIZE_PASS_DEPENDENCY(AAResultsWrapperPass)
-INITIALIZE_PASS_DEPENDENCY(MachineLoopInfo)
+INITIALIZE_PASS_DEPENDENCY(MachineLoopInfoWrapperPass)
 INITIALIZE_PASS_DEPENDENCY(MachineDominatorTreeWrapperPass)
 INITIALIZE_PASS_DEPENDENCY(LiveIntervals)
 INITIALIZE_PASS_END(MachinePipeliner, DEBUG_TYPE,
@@ -263,7 +263,7 @@ bool MachinePipeliner::runOnMachineFunction(MachineFunction &mf) {
     return false;
 
   MF = &mf;
-  MLI = &getAnalysis<MachineLoopInfo>();
+  MLI = &getAnalysis<MachineLoopInfoWrapperPass>().getLI();
   MDT = &getAnalysis<MachineDominatorTreeWrapperPass>().getDomTree();
   ORE = &getAnalysis<MachineOptimizationRemarkEmitterPass>().getORE();
   TII = MF->getSubtarget().getInstrInfo();
@@ -499,7 +499,7 @@ bool MachinePipeliner::swingModuloScheduler(MachineLoop &L) {
 void MachinePipeliner::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addRequired<AAResultsWrapperPass>();
   AU.addPreserved<AAResultsWrapperPass>();
-  AU.addRequired<MachineLoopInfo>();
+  AU.addRequired<MachineLoopInfoWrapperPass>();
   AU.addRequired<MachineDominatorTreeWrapperPass>();
   AU.addRequired<LiveIntervals>();
   AU.addRequired<MachineOptimizationRemarkEmitterPass>();