[llvm][CodeGen] Modifications made based on review comments 2

Author: huaatian

llvm/include/llvm/CodeGen/ModuloSchedule.h

@@ -60,7 +60,6 @@
 #ifndef LLVM_CODEGEN_MODULOSCHEDULE_H
 #define LLVM_CODEGEN_MODULOSCHEDULE_H
 
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineLoopUtils.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"

llvm/test/CodeGen/AArch64/aarch64-swp-ws-live-intervals.mir

@@ -1,5 +1,5 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
-# RUN: llc --mtriple=aarch64 %s -O2 -run-pass=pipeliner -o - | FileCheck %s
+# RUN: llc --mtriple=aarch64 %s -run-pass=pipeliner -o - | FileCheck %s
 
 ...
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