11 files changed, 0 insertions, 584 deletions
diff --git a/lib/CodeGen/AsmPrinter/CMakeLists.txt b/lib/CodeGen/AsmPrinter/CMakeLists.txt
deleted file mode 100644
index 3fb088ab6f0d..000000000000
--- a/lib/CodeGen/AsmPrinter/CMakeLists.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-add_llvm_library(LLVMAsmPrinter
-  AccelTable.cpp
-  AddressPool.cpp
-  ARMException.cpp
-  AsmPrinter.cpp
-  AsmPrinterDwarf.cpp
-  AsmPrinterInlineAsm.cpp
-  DbgEntityHistoryCalculator.cpp
-  DebugHandlerBase.cpp
-  DebugLocStream.cpp
-  DIE.cpp
-  DIEHash.cpp
-  DwarfCFIException.cpp
-  DwarfCompileUnit.cpp
-  DwarfDebug.cpp
-  DwarfExpression.cpp
-  DwarfFile.cpp
-  DwarfStringPool.cpp
-  DwarfUnit.cpp
-  EHStreamer.cpp
-  ErlangGCPrinter.cpp
-  OcamlGCPrinter.cpp
-  WinCFGuard.cpp
-  WinException.cpp
-  CodeViewDebug.cpp
-  WasmException.cpp
-
-  DEPENDS
-  intrinsics_gen
-  )
diff --git a/lib/CodeGen/AsmPrinter/LLVMBuild.txt b/lib/CodeGen/AsmPrinter/LLVMBuild.txt
deleted file mode 100644
index bde8148d259b..000000000000
--- a/lib/CodeGen/AsmPrinter/LLVMBuild.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-;===- ./lib/CodeGen/AsmPrinter/LLVMBuild.txt -------------------*- Conf -*--===;
-;
-;                     The LLVM Compiler Infrastructure
-;
-; This file is distributed under the University of Illinois Open Source
-; License. See LICENSE.TXT for details.
-;
-;===------------------------------------------------------------------------===;
-;
-; This is an LLVMBuild description file for the components in this subdirectory.
-;
-; For more information on the LLVMBuild system, please see:
-;
-;   http://llvm.org/docs/LLVMBuild.html
-;
-;===------------------------------------------------------------------------===;
-
-[component_0]
-type = Library
-name = AsmPrinter
-parent = Libraries
-required_libraries = Analysis BinaryFormat CodeGen Core DebugInfoCodeView DebugInfoMSF MC MCParser Support Target
diff --git a/lib/CodeGen/CMakeLists.txt b/lib/CodeGen/CMakeLists.txt
deleted file mode 100644
index e76f9f8ed4e7..000000000000
--- a/lib/CodeGen/CMakeLists.txt
+++ /dev/null
@@ -1,178 +0,0 @@
-add_llvm_library(LLVMCodeGen
-  AggressiveAntiDepBreaker.cpp
-  AllocationOrder.cpp
-  Analysis.cpp
-  AtomicExpandPass.cpp
-  BasicTargetTransformInfo.cpp
-  BranchFolding.cpp
-  BranchRelaxation.cpp
-  BreakFalseDeps.cpp
-  BuiltinGCs.cpp
-  CalcSpillWeights.cpp
-  CallingConvLower.cpp
-  CFIInstrInserter.cpp
-  CodeGen.cpp
-  CodeGenPrepare.cpp
-  CriticalAntiDepBreaker.cpp
-  DeadMachineInstructionElim.cpp
-  DetectDeadLanes.cpp
-  DFAPacketizer.cpp
-  DwarfEHPrepare.cpp
-  EarlyIfConversion.cpp
-  EdgeBundles.cpp
-  ExecutionDomainFix.cpp
-  ExpandISelPseudos.cpp
-  ExpandMemCmp.cpp
-  ExpandPostRAPseudos.cpp
-  ExpandReductions.cpp
-  FaultMaps.cpp
-  FEntryInserter.cpp
-  FuncletLayout.cpp
-  GCMetadata.cpp
-  GCMetadataPrinter.cpp
-  GCRootLowering.cpp
-  GCStrategy.cpp
-  GlobalMerge.cpp
-  IfConversion.cpp
-  ImplicitNullChecks.cpp
-  IndirectBrExpandPass.cpp
-  InlineSpiller.cpp
-  InterferenceCache.cpp
-  InterleavedAccessPass.cpp
-  InterleavedLoadCombinePass.cpp
-  IntrinsicLowering.cpp
-  LatencyPriorityQueue.cpp
-  LazyMachineBlockFrequencyInfo.cpp
-  LexicalScopes.cpp
-  LiveDebugValues.cpp
-  LiveDebugVariables.cpp
-  LiveIntervals.cpp
-  LiveInterval.cpp
-  LiveIntervalUnion.cpp
-  LivePhysRegs.cpp
-  LiveRangeCalc.cpp
-  LiveRangeEdit.cpp
-  LiveRangeShrink.cpp
-  LiveRegMatrix.cpp
-  LiveRegUnits.cpp
-  LiveStacks.cpp
-  LiveVariables.cpp
-  LLVMTargetMachine.cpp
-  LocalStackSlotAllocation.cpp
-  LoopTraversal.cpp
-  LowLevelType.cpp
-  LowerEmuTLS.cpp
-  MachineBasicBlock.cpp
-  MachineBlockFrequencyInfo.cpp
-  MachineBlockPlacement.cpp
-  MachineBranchProbabilityInfo.cpp
-  MachineCombiner.cpp
-  MachineCopyPropagation.cpp
-  MachineCSE.cpp
-  MachineDominanceFrontier.cpp
-  MachineDominators.cpp
-  MachineFrameInfo.cpp
-  MachineFunction.cpp
-  MachineFunctionPass.cpp
-  MachineFunctionPrinterPass.cpp
-  MachineInstrBundle.cpp
-  MachineInstr.cpp
-  MachineLICM.cpp
-  MachineLoopInfo.cpp
-  MachineModuleInfo.cpp
-  MachineModuleInfoImpls.cpp
-  MachineOperand.cpp
-  MachineOptimizationRemarkEmitter.cpp
-  MachineOutliner.cpp
-  MachinePipeliner.cpp
-  MachinePostDominators.cpp
-  MachineRegionInfo.cpp
-  MachineRegisterInfo.cpp
-  MachineScheduler.cpp
-  MachineSink.cpp
-  MachineSSAUpdater.cpp
-  MachineTraceMetrics.cpp
-  MachineVerifier.cpp
-  PatchableFunction.cpp
-  MIRPrinter.cpp
-  MIRPrintingPass.cpp
-  MacroFusion.cpp
-  OptimizePHIs.cpp
-  ParallelCG.cpp
-  PeepholeOptimizer.cpp
-  PHIElimination.cpp
-  PHIEliminationUtils.cpp
-  PostRAHazardRecognizer.cpp
-  PostRASchedulerList.cpp
-  PreISelIntrinsicLowering.cpp
-  ProcessImplicitDefs.cpp
-  PrologEpilogInserter.cpp
-  PseudoSourceValue.cpp
-  ReachingDefAnalysis.cpp
-  RegAllocBase.cpp
-  RegAllocBasic.cpp
-  RegAllocFast.cpp
-  RegAllocGreedy.cpp
-  RegAllocPBQP.cpp
-  RegisterClassInfo.cpp
-  RegisterCoalescer.cpp
-  RegisterPressure.cpp
-  RegisterScavenging.cpp
-  RenameIndependentSubregs.cpp
-  MIRCanonicalizerPass.cpp
-  RegisterUsageInfo.cpp
-  RegUsageInfoCollector.cpp
-  RegUsageInfoPropagate.cpp
-  ResetMachineFunctionPass.cpp
-  SafeStack.cpp
-  SafeStackColoring.cpp
-  SafeStackLayout.cpp
-  ScalarizeMaskedMemIntrin.cpp
-  ScheduleDAG.cpp
-  ScheduleDAGInstrs.cpp
-  ScheduleDAGPrinter.cpp
-  ScoreboardHazardRecognizer.cpp
-  ShadowStackGCLowering.cpp
-  ShrinkWrap.cpp
-  SjLjEHPrepare.cpp
-  SlotIndexes.cpp
-  SpillPlacement.cpp
-  SplitKit.cpp
-  StackColoring.cpp
-  StackMapLivenessAnalysis.cpp
-  StackMaps.cpp
-  StackProtector.cpp
-  StackSlotColoring.cpp
-  TailDuplication.cpp
-  TailDuplicator.cpp
-  TargetFrameLoweringImpl.cpp
-  TargetInstrInfo.cpp
-  TargetLoweringBase.cpp
-  TargetLoweringObjectFileImpl.cpp
-  TargetOptionsImpl.cpp
-  TargetPassConfig.cpp
-  TargetRegisterInfo.cpp
-  TargetSchedule.cpp
-  TargetSubtargetInfo.cpp
-  TwoAddressInstructionPass.cpp
-  UnreachableBlockElim.cpp
-  ValueTypes.cpp
-  VirtRegMap.cpp
-  WasmEHPrepare.cpp
-  WinEHPrepare.cpp
-  XRayInstrumentation.cpp
-
-  ADDITIONAL_HEADER_DIRS
-  ${LLVM_MAIN_INCLUDE_DIR}/llvm/CodeGen
-  ${LLVM_MAIN_INCLUDE_DIR}/llvm/CodeGen/PBQP
-
-  LINK_LIBS ${LLVM_PTHREAD_LIB}
-
-  DEPENDS
-  intrinsics_gen
-  )
-
-add_subdirectory(SelectionDAG)
-add_subdirectory(AsmPrinter)
-add_subdirectory(MIRParser)
-add_subdirectory(GlobalISel)
diff --git a/lib/CodeGen/GlobalISel/CMakeLists.txt b/lib/CodeGen/GlobalISel/CMakeLists.txt
deleted file mode 100644
index da2fd3b239a2..000000000000
--- a/lib/CodeGen/GlobalISel/CMakeLists.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-add_llvm_library(LLVMGlobalISel
-        CSEInfo.cpp
-        CSEMIRBuilder.cpp
-        CallLowering.cpp
-        GlobalISel.cpp
-        Combiner.cpp
-        CombinerHelper.cpp
-        GISelChangeObserver.cpp
-        IRTranslator.cpp
-        InstructionSelect.cpp
-        InstructionSelector.cpp
-        LegalityPredicates.cpp
-        LegalizeMutations.cpp
-        Legalizer.cpp
-        LegalizerHelper.cpp
-        LegalizerInfo.cpp
-        Localizer.cpp
-        MachineIRBuilder.cpp
-        RegBankSelect.cpp
-        RegisterBank.cpp
-        RegisterBankInfo.cpp
-        Utils.cpp
-
-        DEPENDS
-        intrinsics_gen
-  )
diff --git a/lib/CodeGen/GlobalISel/LLVMBuild.txt b/lib/CodeGen/GlobalISel/LLVMBuild.txt
deleted file mode 100644
index a2daa3b222a6..000000000000
--- a/lib/CodeGen/GlobalISel/LLVMBuild.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-;===- ./lib/CodeGen/GlobalISel/LLVMBuild.txt -----------------*- Conf -*--===;
-;
-;                     The LLVM Compiler Infrastructure
-;
-; This file is distributed under the University of Illinois Open Source
-; License. See LICENSE.TXT for details.
-;
-;===------------------------------------------------------------------------===;
-;
-; This is an LLVMBuild description file for the components in this subdirectory.
-;
-; For more information on the LLVMBuild system, please see:
-;
-;   http://llvm.org/docs/LLVMBuild.html
-;
-;===------------------------------------------------------------------------===;
-
-[component_0]
-type = Library
-name = GlobalISel
-parent = CodeGen
-required_libraries = Analysis CodeGen Core MC Support Target TransformUtils
diff --git a/lib/CodeGen/LLVMBuild.txt b/lib/CodeGen/LLVMBuild.txt
deleted file mode 100644
index 07ea9dcaea7a..000000000000
--- a/lib/CodeGen/LLVMBuild.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-;===- ./lib/CodeGen/LLVMBuild.txt ------------------------------*- Conf -*--===;
-;
-;                     The LLVM Compiler Infrastructure
-;
-; This file is distributed under the University of Illinois Open Source
-; License. See LICENSE.TXT for details.
-;
-;===------------------------------------------------------------------------===;
-;
-; This is an LLVMBuild description file for the components in this subdirectory.
-;
-; For more information on the LLVMBuild system, please see:
-;
-;   http://llvm.org/docs/LLVMBuild.html
-;
-;===------------------------------------------------------------------------===;
-
-[common]
-subdirectories = AsmPrinter SelectionDAG MIRParser GlobalISel
-
-[component_0]
-type = Library
-name = CodeGen
-parent = Libraries
-required_libraries = Analysis BitReader BitWriter Core MC ProfileData Scalar Support Target TransformUtils
diff --git a/lib/CodeGen/MIRParser/CMakeLists.txt b/lib/CodeGen/MIRParser/CMakeLists.txt
deleted file mode 100644
index 2eb5b844d0e1..000000000000
--- a/lib/CodeGen/MIRParser/CMakeLists.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-add_llvm_library(LLVMMIRParser
-  MILexer.cpp
-  MIParser.cpp
-  MIRParser.cpp
-
-  DEPENDS
-  intrinsics_gen
-  )
diff --git a/lib/CodeGen/MIRParser/LLVMBuild.txt b/lib/CodeGen/MIRParser/LLVMBuild.txt
deleted file mode 100644
index 6269b005a985..000000000000
--- a/lib/CodeGen/MIRParser/LLVMBuild.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-;===- ./lib/CodeGen/MIRParser/LLVMBuild.txt --------------------*- Conf -*--===;
-;
-;                     The LLVM Compiler Infrastructure
-;
-; This file is distributed under the University of Illinois Open Source
-; License. See LICENSE.TXT for details.
-;
-;===------------------------------------------------------------------------===;
-;
-; This is an LLVMBuild description file for the components in this subdirectory.
-;
-; For more information on the LLVMBuild system, please see:
-;
-;   http://llvm.org/docs/LLVMBuild.html
-;
-;===------------------------------------------------------------------------===;
-
-[component_0]
-type = Library
-name = MIRParser
-parent = CodeGen
-required_libraries = AsmParser BinaryFormat CodeGen Core MC Support Target
diff --git a/lib/CodeGen/README.txt b/lib/CodeGen/README.txt
deleted file mode 100644
index d8958715c6b4..000000000000
--- a/lib/CodeGen/README.txt
+++ /dev/null
@@ -1,199 +0,0 @@
-//===---------------------------------------------------------------------===//
-
-Common register allocation / spilling problem:
-
-        mul lr, r4, lr
-        str lr, [sp, #+52]
-        ldr lr, [r1, #+32]
-        sxth r3, r3
-        ldr r4, [sp, #+52]
-        mla r4, r3, lr, r4
-
-can be:
-
-        mul lr, r4, lr
-        mov r4, lr
-        str lr, [sp, #+52]
-        ldr lr, [r1, #+32]
-        sxth r3, r3
-        mla r4, r3, lr, r4
-
-and then "merge" mul and mov:
-
-        mul r4, r4, lr
-        str r4, [sp, #+52]
-        ldr lr, [r1, #+32]
-        sxth r3, r3
-        mla r4, r3, lr, r4
-
-It also increase the likelihood the store may become dead.
-
-//===---------------------------------------------------------------------===//
-
-bb27 ...
-        ...
-        %reg1037 = ADDri %reg1039, 1
-        %reg1038 = ADDrs %reg1032, %reg1039, %noreg, 10
-    Successors according to CFG: 0x8b03bf0 (#5)
-
-bb76 (0x8b03bf0, LLVM BB @0x8b032d0, ID#5):
-    Predecessors according to CFG: 0x8b0c5f0 (#3) 0x8b0a7c0 (#4)
-        %reg1039 = PHI %reg1070, mbb<bb76.outer,0x8b0c5f0>, %reg1037, mbb<bb27,0x8b0a7c0>
-
-Note ADDri is not a two-address instruction. However, its result %reg1037 is an
-operand of the PHI node in bb76 and its operand %reg1039 is the result of the
-PHI node. We should treat it as a two-address code and make sure the ADDri is
-scheduled after any node that reads %reg1039.
-
-//===---------------------------------------------------------------------===//
-
-Use local info (i.e. register scavenger) to assign it a free register to allow
-reuse:
-        ldr r3, [sp, #+4]
-        add r3, r3, #3
-        ldr r2, [sp, #+8]
-        add r2, r2, #2
-        ldr r1, [sp, #+4]  <==
-        add r1, r1, #1
-        ldr r0, [sp, #+4]
-        add r0, r0, #2
-
-//===---------------------------------------------------------------------===//
-
-LLVM aggressively lift CSE out of loop. Sometimes this can be negative side-
-effects:
-
-R1 = X + 4
-R2 = X + 7
-R3 = X + 15
-
-loop:
-load [i + R1]
-...
-load [i + R2]
-...
-load [i + R3]
-
-Suppose there is high register pressure, R1, R2, R3, can be spilled. We need
-to implement proper re-materialization to handle this:
-
-R1 = X + 4
-R2 = X + 7
-R3 = X + 15
-
-loop:
-R1 = X + 4  @ re-materialized
-load [i + R1]
-...
-R2 = X + 7 @ re-materialized
-load [i + R2]
-...
-R3 = X + 15 @ re-materialized
-load [i + R3]
-
-Furthermore, with re-association, we can enable sharing:
-
-R1 = X + 4
-R2 = X + 7
-R3 = X + 15
-
-loop:
-T = i + X
-load [T + 4]
-...
-load [T + 7]
-...
-load [T + 15]
-//===---------------------------------------------------------------------===//
-
-It's not always a good idea to choose rematerialization over spilling. If all
-the load / store instructions would be folded then spilling is cheaper because
-it won't require new live intervals / registers. See 2003-05-31-LongShifts for
-an example.
-
-//===---------------------------------------------------------------------===//
-
-With a copying garbage collector, derived pointers must not be retained across
-collector safe points; the collector could move the objects and invalidate the
-derived pointer. This is bad enough in the first place, but safe points can
-crop up unpredictably. Consider:
-
-        %array = load { i32, [0 x %obj] }** %array_addr
-        %nth_el = getelementptr { i32, [0 x %obj] }* %array, i32 0, i32 %n
-        %old = load %obj** %nth_el
-        %z = div i64 %x, %y
-        store %obj* %new, %obj** %nth_el
-
-If the i64 division is lowered to a libcall, then a safe point will (must)
-appear for the call site. If a collection occurs, %array and %nth_el no longer
-point into the correct object.
-
-The fix for this is to copy address calculations so that dependent pointers
-are never live across safe point boundaries. But the loads cannot be copied
-like this if there was an intervening store, so may be hard to get right.
-
-Only a concurrent mutator can trigger a collection at the libcall safe point.
-So single-threaded programs do not have this requirement, even with a copying
-collector. Still, LLVM optimizations would probably undo a front-end's careful
-work.
-
-//===---------------------------------------------------------------------===//
-
-The ocaml frametable structure supports liveness information. It would be good
-to support it.
-
-//===---------------------------------------------------------------------===//
-
-The FIXME in ComputeCommonTailLength in BranchFolding.cpp needs to be
-revisited. The check is there to work around a misuse of directives in inline
-assembly.
-
-//===---------------------------------------------------------------------===//
-
-It would be good to detect collector/target compatibility instead of silently
-doing the wrong thing.
-
-//===---------------------------------------------------------------------===//
-
-It would be really nice to be able to write patterns in .td files for copies,
-which would eliminate a bunch of explicit predicates on them (e.g. no side
-effects).  Once this is in place, it would be even better to have tblgen
-synthesize the various copy insertion/inspection methods in TargetInstrInfo.
-
-//===---------------------------------------------------------------------===//
-
-Stack coloring improvements:
-
-1. Do proper LiveStacks analysis on all stack objects including those which are
-   not spill slots.
-2. Reorder objects to fill in gaps between objects.
-   e.g. 4, 1, <gap>, 4, 1, 1, 1, <gap>, 4 => 4, 1, 1, 1, 1, 4, 4
-
-//===---------------------------------------------------------------------===//
-
-The scheduler should be able to sort nearby instructions by their address. For
-example, in an expanded memset sequence it's not uncommon to see code like this:
-
-  movl $0, 4(%rdi)
-  movl $0, 8(%rdi)
-  movl $0, 12(%rdi)
-  movl $0, 0(%rdi)
-
-Each of the stores is independent, and the scheduler is currently making an
-arbitrary decision about the order.
-
-//===---------------------------------------------------------------------===//
-
-Another opportunitiy in this code is that the $0 could be moved to a register:
-
-  movl $0, 4(%rdi)
-  movl $0, 8(%rdi)
-  movl $0, 12(%rdi)
-  movl $0, 0(%rdi)
-
-This would save substantial code size, especially for longer sequences like
-this. It would be easy to have a rule telling isel to avoid matching MOV32mi
-if the immediate has more than some fixed number of uses. It's more involved
-to teach the register allocator how to do late folding to recover from
-excessive register pressure.
-
diff --git a/lib/CodeGen/SelectionDAG/CMakeLists.txt b/lib/CodeGen/SelectionDAG/CMakeLists.txt
deleted file mode 100644
index fd1e5e2cfc56..000000000000
--- a/lib/CodeGen/SelectionDAG/CMakeLists.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-add_llvm_library(LLVMSelectionDAG
-  DAGCombiner.cpp
-  FastISel.cpp
-  FunctionLoweringInfo.cpp
-  InstrEmitter.cpp
-  LegalizeDAG.cpp
-  LegalizeFloatTypes.cpp
-  LegalizeIntegerTypes.cpp
-  LegalizeTypes.cpp
-  LegalizeTypesGeneric.cpp
-  LegalizeVectorOps.cpp
-  LegalizeVectorTypes.cpp
-  ResourcePriorityQueue.cpp
-  ScheduleDAGFast.cpp
-  ScheduleDAGRRList.cpp
-  ScheduleDAGSDNodes.cpp
-  ScheduleDAGVLIW.cpp
-  SelectionDAGBuilder.cpp
-  SelectionDAG.cpp
-  SelectionDAGAddressAnalysis.cpp
-  SelectionDAGDumper.cpp
-  SelectionDAGISel.cpp
-  SelectionDAGPrinter.cpp
-  SelectionDAGTargetInfo.cpp
-  StatepointLowering.cpp
-  TargetLowering.cpp
-
-  DEPENDS
-  intrinsics_gen
-  )
diff --git a/lib/CodeGen/SelectionDAG/LLVMBuild.txt b/lib/CodeGen/SelectionDAG/LLVMBuild.txt
deleted file mode 100644
index 81d2e000a2e8..000000000000
--- a/lib/CodeGen/SelectionDAG/LLVMBuild.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-;===- ./lib/CodeGen/SelectionDAG/LLVMBuild.txt -----------------*- Conf -*--===;
-;
-;                     The LLVM Compiler Infrastructure
-;
-; This file is distributed under the University of Illinois Open Source
-; License. See LICENSE.TXT for details.
-;
-;===------------------------------------------------------------------------===;
-;
-; This is an LLVMBuild description file for the components in this subdirectory.
-;
-; For more information on the LLVMBuild system, please see:
-;
-;   http://llvm.org/docs/LLVMBuild.html
-;
-;===------------------------------------------------------------------------===;
-
-[component_0]
-type = Library
-name = SelectionDAG
-parent = CodeGen
-required_libraries = Analysis CodeGen Core MC Support Target TransformUtils