Machine-level API cleanup instigated by Chris.

llvm-svn: 45470

llvm-svn: 45469

llvm-svn: 45468

that "machine" classes are used to represent the current state of
the code being compiled.  Given this expanded name, we can start 
moving other stuff into it.  For now, move the UsedPhysRegs and
LiveIn/LoveOuts vectors from MachineFunction into it.

Update all the clients to match.

This also reduces some needless #includes, such as MachineModuleInfo
from MachineFunction.

llvm-svn: 45467

llvm-svn: 45466

llvm-svn: 45465

e.g. MO.isMBB() instead of MO.isMachineBasicBlock().  I don't plan on 
switching everything over, so new clients should just start using the 
shorter names.

Remove old long accessors, switching everything over to use the short
accessor: getMachineBasicBlock() -> getMBB(), 
getConstantPoolIndex() -> getIndex(), setMachineBasicBlock -> setMBB(), etc.

llvm-svn: 45464

llvm-svn: 45463

- eliminate the auxInfo union, merging it into the contents union.  This shaves 
  4 bytes off MachineOperand on a 32-bit machine.

- Use accessors in ctor methods.

- Add comments.

llvm-svn: 45462

  - Eliminate the static "print" method for operands, moving it
    into MachineOperand::print.
  - Change various set* methods for register flags to take a bool
    for the value to set it to.  Remove unset* methods.
  - Group methods more logically by operand flavor in MachineOperand.h

llvm-svn: 45461

  - Add getParent() accessors.
  - Move SubReg out of the AuxInfo union, to make way for future changes.
  - Remove the getImmedValue/setImmedValue methods.
  - in some MachineOperand::Create* methods, stop initializing fields that are dead.

MachineInstr:
  - Delete one copy of the MachineInstr printing code, now there is only one dump
    format and one copy of the code.
  - Make MachineOperand use the parent field to get info about preg register names if
    no target info is otherwise available.
  - Move def/use/kill/dead flag printing to the machineoperand printer, so they are
    always printed for an operand.

llvm-svn: 45460

llvm-svn: 45459

llvm-svn: 45458

knows how to print offsets.

llvm-svn: 45457

llvm-svn: 45456

llvm-svn: 45455

llvm-svn: 45454

Use MachineOperand::getImm instead of MachineOperand::getImmedValue.  Likewise setImmedValue -> setImm

llvm-svn: 45453

llvm-svn: 45452

llvm-svn: 45451

llvm-svn: 45450

machineinstr that owns it.

llvm-svn: 45449

llvm-svn: 45446

llvm-svn: 45445

function, then go ahead and hoist it out of the loop. This is the result:

$ cat a.c
volatile int G;

int A(int N) {
  for (; N > 0; --N)
    G++;
}
$ llc -o - -relocation-model=pic
_A:
...
LBB1_2: # bb
        movl    L_G$non_lazy_ptr-"L1$pb"(%eax), %esi
        incl    (%esi)
        incl    %edx
        cmpl    %ecx, %edx
        jne     LBB1_2  # bb
...
$ llc -o - -relocation-model=pic -machine-licm
_A:
...
        movl    L_G$non_lazy_ptr-"L1$pb"(%eax), %eax
LBB1_2: # bb
        incl    (%eax)
        incl    %edx
        cmpl    %ecx, %edx
        jne     LBB1_2  # bb
...

I'm limiting this to the MOV32rm x86 instruction for now.

llvm-svn: 45444

Add codegen support and test for said casts.

llvm-svn: 45443

llvm-svn: 45442

stats statistic when clang is built as a dylib.

llvm-svn: 45441

llvm-svn: 45440

llvm-svn: 45439

llvm-svn: 45438

llvm-svn: 45437

llvm-svn: 45436

llvm-svn: 45435

llvm-svn: 45434

llvm-svn: 45433

llvm-svn: 45432

llvm-svn: 45431

   operand type.
2. Move these create methods below the accessors.
3. Simplify all the MachineInstr::add* methods to use these.

llvm-svn: 45430

llvm-svn: 45429