[llvm] [ARM] Add basic NPM support for LoadStoreOptimizer (PR #184139)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/lib/Target/ARM/ARM.h llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp llvm/lib/Target/ARM/ARMTargetMachine.cpp llvm/lib/Target/ARM/ARMTargetMachine.h --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index 5999d1fac..1a7882e43 100644
--- a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -2220,7 +2220,7 @@ bool ARMPreAllocLoadStoreOpt::runOnMachineFunction(MachineFunction &Fn,
   TII = STI->getInstrInfo();
   TRI = STI->getRegisterInfo();
   MRI = &Fn.getRegInfo();
-  MF  = &Fn;
+  MF = &Fn;
 
   bool Modified = DistributeIncrements();
   for (MachineBasicBlock &MFI : Fn)
diff --git a/llvm/lib/Target/ARM/ARMTargetMachine.cpp b/llvm/lib/Target/ARM/ARMTargetMachine.cpp
index fc0dc636c..65a768d74 100644
--- a/llvm/lib/Target/ARM/ARMTargetMachine.cpp
+++ b/llvm/lib/Target/ARM/ARMTargetMachine.cpp
@@ -342,11 +342,12 @@ void ARMBaseTargetMachine::registerPassBuilderCallbacks(PassBuilder &PB){
 
 INITIALIZE_PASS_BEGIN(ARMExecutionDomainFix, "arm-execution-domain-fix",
                       "ARM Execution Domain Fix", false, false)
-INITIALIZE_PASS_DEPENDENCY(ReachingDefInfoWrapperPass)
-INITIALIZE_PASS_END(ARMExecutionDomainFix, "arm-execution-domain-fix",
-                    "ARM Execution Domain Fix", false, false)
+    INITIALIZE_PASS_DEPENDENCY(ReachingDefInfoWrapperPass)
+        INITIALIZE_PASS_END(ARMExecutionDomainFix, "arm-execution-domain-fix",
+                            "ARM Execution Domain Fix", false, false)
 
-TargetPassConfig *ARMBaseTargetMachine::createPassConfig(PassManagerBase &PM) {
+            TargetPassConfig *ARMBaseTargetMachine::createPassConfig(
+                PassManagerBase &PM) {
   return new ARMPassConfig(*this, PM);
 }
 

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https://github.com/llvm/llvm-project/pull/184139