Revert "[NewPM][CodeGen] Introduce machine pass and machine pass manager"

This reverts commit 911565d.

Broke some non-Linux bots.

Author: Yuanfang Chen

llvm/include/llvm/CodeGen/MachinePassManager.h

@@ -558,7 +558,7 @@ class PassManager : public PassInfoMixin<
 
   static bool isRequired() { return true; }
 
-protected:
+private:
   using PassConceptT =
       detail::PassConcept<IRUnitT, AnalysisManagerT, ExtraArgTs...>;
 

llvm/include/llvm/IR/PassManager.h

@@ -92,7 +92,6 @@ add_llvm_component_library(LLVMCodeGen
   MachineOperand.cpp
   MachineOptimizationRemarkEmitter.cpp
   MachineOutliner.cpp
-  MachinePassManager.cpp
   MachinePipeliner.cpp
   MachinePostDominators.cpp
   MachineRegionInfo.cpp

llvm/lib/CodeGen/CMakeLists.txt

@@ -21,4 +21,4 @@ subdirectories = AsmPrinter SelectionDAG MIRParser GlobalISel
 type = Library
 name = CodeGen
 parent = Libraries
-required_libraries = Analysis BitReader BitWriter Core MC Passes ProfileData Scalar Support Target TransformUtils
+required_libraries = Analysis BitReader BitWriter Core MC ProfileData Scalar Support Target TransformUtils

llvm/lib/CodeGen/LLVMBuild.txt

@@ -7,7 +7,6 @@ set(LLVM_LINK_COMPONENTS
   Core
   MC
   MIRParser
-  Passes
   SelectionDAG
   Support
   Target
@@ -21,7 +20,6 @@ add_llvm_unittest(CodeGenTests
   MachineInstrBundleIteratorTest.cpp
   MachineInstrTest.cpp
   MachineOperandTest.cpp
-  PassManagerTest.cpp
   ScalableVectorMVTsTest.cpp
   TypeTraitsTest.cpp
   TargetOptionsTest.cpp