Revert "Recommit "[AArch64] Split bitmask immediate of bitwise AND operation""

This reverts commit 73a196a.

Causes crashes as reported in https://reviews.llvm.org/D109963

Author: Sterling-Augustine

llvm/lib/Target/AArch64/AArch64.h

@@ -51,7 +51,6 @@ FunctionPass *createAArch64A53Fix835769();
 FunctionPass *createFalkorHWPFFixPass();
 FunctionPass *createFalkorMarkStridedAccessesPass();
 FunctionPass *createAArch64BranchTargetsPass();
-FunctionPass *createAArch64MIPeepholeOptPass();
 
 FunctionPass *createAArch64CleanupLocalDynamicTLSPass();
 
@@ -83,7 +82,6 @@ void initializeAArch64SLSHardeningPass(PassRegistry&);
 void initializeAArch64SpeculationHardeningPass(PassRegistry&);
 void initializeAArch64LoadStoreOptPass(PassRegistry&);
 void initializeAArch64LowerHomogeneousPrologEpilogPass(PassRegistry &);
-void initializeAArch64MIPeepholeOptPass(PassRegistry &);
 void initializeAArch64SIMDInstrOptPass(PassRegistry&);
 void initializeAArch64O0PreLegalizerCombinerPass(PassRegistry &);
 void initializeAArch64PreLegalizerCombinerPass(PassRegistry&);

llvm/lib/Target/AArch64/AArch64MIPeepholeOpt.cpp

@@ -195,7 +195,6 @@ extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAArch64Target() {
   initializeAArch64DeadRegisterDefinitionsPass(*PR);
   initializeAArch64ExpandPseudoPass(*PR);
   initializeAArch64LoadStoreOptPass(*PR);
-  initializeAArch64MIPeepholeOptPass(*PR);
   initializeAArch64SIMDInstrOptPass(*PR);
   initializeAArch64O0PreLegalizerCombinerPass(*PR);
   initializeAArch64PreLegalizerCombinerPass(*PR);
@@ -480,7 +479,6 @@ class AArch64PassConfig : public TargetPassConfig {
   bool addRegBankSelect() override;
   void addPreGlobalInstructionSelect() override;
   bool addGlobalInstructionSelect() override;
-  void addMachineSSAOptimization() override;
   bool addILPOpts() override;
   void addPreRegAlloc() override;
   void addPostRegAlloc() override;
@@ -651,14 +649,6 @@ bool AArch64PassConfig::addGlobalInstructionSelect() {
   return false;
 }
 
-void AArch64PassConfig::addMachineSSAOptimization() {
-  // Run default MachineSSAOptimization first.
-  TargetPassConfig::addMachineSSAOptimization();
-
-  if (TM->getOptLevel() != CodeGenOpt::None)
-    addPass(createAArch64MIPeepholeOptPass());
-}
-
 bool AArch64PassConfig::addILPOpts() {
   if (EnableCondOpt)
     addPass(createAArch64ConditionOptimizerPass());

llvm/lib/Target/AArch64/AArch64TargetMachine.cpp

@@ -66,7 +66,6 @@ add_llvm_target(AArch64CodeGen
   AArch64LowerHomogeneousPrologEpilog.cpp
   AArch64MachineFunctionInfo.cpp
   AArch64MacroFusion.cpp
-  AArch64MIPeepholeOpt.cpp
   AArch64MCInstLower.cpp
   AArch64PromoteConstant.cpp
   AArch64PBQPRegAlloc.cpp

llvm/lib/Target/AArch64/CMakeLists.txt

@@ -13,7 +13,6 @@
 #ifndef LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64ADDRESSINGMODES_H
 #define LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64ADDRESSINGMODES_H
 
-#include "AArch64ExpandImm.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/bit.h"

llvm/lib/Target/AArch64/MCTargetDesc/AArch64AddressingModes.h

@@ -40,7 +40,7 @@
 ; CHECK-NEXT:         Induction Variable Users
 ; CHECK-NEXT:         Loop Strength Reduction
 ; CHECK-NEXT:       Basic Alias Analysis (stateless AA impl)
-; CHECK-NEXT:       Function Alias Analysis Results
+; CHECK-NEXT:         Function Alias Analysis Results
 ; CHECK-NEXT:       Merge contiguous icmps into a memcmp
 ; CHECK-NEXT:       Natural Loop Information
 ; CHECK-NEXT:       Lazy Branch Probability Analysis
@@ -131,7 +131,6 @@
 ; CHECK-NEXT:       Machine code sinking
 ; CHECK-NEXT:       Peephole Optimizations
 ; CHECK-NEXT:       Remove dead machine instructions
-; CHECK-NEXT:       AArch64 MI Peephole Optimization pass
 ; CHECK-NEXT:       AArch64 Dead register definitions
 ; CHECK-NEXT:       Detect Dead Lanes
 ; CHECK-NEXT:       Process Implicit Definitions