[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/PostRASchedulerList.cpp b/llvm/lib/CodeGen/PostRASchedulerList.cpp
index 8005050d5215..2f7cfdd275b4 100644
--- a/llvm/lib/CodeGen/PostRASchedulerList.cpp
+++ b/llvm/lib/CodeGen/PostRASchedulerList.cpp
@@ -87,8 +87,8 @@ namespace {
       AU.addRequired<TargetPassConfig>();
       AU.addRequired<MachineDominatorTreeWrapperPass>();
       AU.addPreserved<MachineDominatorTreeWrapperPass>();
-      AU.addRequired<MachineLoopInfo>();
-      AU.addPreserved<MachineLoopInfo>();
+      AU.addRequired<MachineLoopInfoWrapperPass>();
+      AU.addPreserved<MachineLoopInfoWrapperPass>();
       MachineFunctionPass::getAnalysisUsage(AU);
     }
 
@@ -279,7 +279,7 @@ bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
     return false;
 
   TII = Fn.getSubtarget().getInstrInfo();
-  MachineLoopInfo &MLI = getAnalysis<MachineLoopInfo>();
+  MachineLoopInfo &MLI = getAnalysis<MachineLoopInfoWrapperPass>().getLI();
   AliasAnalysis *AA = &getAnalysis<AAResultsWrapperPass>().getAAResults();
   TargetPassConfig *PassConfig = &getAnalysis<TargetPassConfig>();