meaning sse_regparm (i.e. float/double values go
in XMM0 instead of ST0).  Update documentation
to reflect reality.

llvm-svn: 56619

i1 operands are assumed to already by zero-extended.

llvm-svn: 56615

llvm-svn: 56614

llvm-svn: 56613

llvm-svn: 56610

llvm-svn: 56609

giving the target a chance to materialize constants.

llvm-svn: 56605

llvm-svn: 56604

llvm-svn: 56602

a separate function, eliminating duplication between the
add-passes-for-file and add-passes-for-machine-code code.

llvm-svn: 56599

<rdar://problem/6234798> Assertion failed: (!OpInfo.AssignedRegs.Regs.empty() && "Couldn't allocate input reg!")

llvm-svn: 56597

llvm-svn: 56596

for earlyclobbers.  Teach Local RA about earlyclobber,
and add some tests for it.

llvm-svn: 56592

llvm-svn: 56584

llvm-svn: 56583

llvm-svn: 56579

llvm-svn: 56575

llvm-svn: 56574

llvm-svn: 56573

llvm-svn: 56572

llvm-svn: 56571

llvm-svn: 56567

llvm-svn: 56553

llvm-svn: 56552

llvm-svn: 56551

the SelectionDAG and DAGCombiner code. The only functionality change is that now
the DAG combiner is performing the constant folding for these operations instead
of being a no-op.

This is *not* in response to a bug, so there isn't a testcase.

llvm-svn: 56550

RA problem by expanding the live interval of an
earlyclobber def back one slot.  Remove
overlap-earlyclobber throughout.  Remove 
earlyclobber bits and their handling from
live internals.

llvm-svn: 56539

separate method.

llvm-svn: 56531

dead loads.

llvm-svn: 56529

any volatile memory references.

llvm-svn: 56528

Properly handle 'm' inline asm constraints. If a GV is being selected for the addressing mode, it requires the same logic for PIC relative addressing, etc.

llvm-svn: 56526

llvm-svn: 56513

correctly, it's not necessary to explicitly remove registers
from their use-def lists.

llvm-svn: 56509

object. This will be needed to support debug info.

llvm-svn: 56508

efficient implementation possible, but it's pretty simple and
good enough for the time being.

llvm-svn: 56504

track of the number of live registers, which is all the set was
being used for.

llvm-svn: 56498

llvm-svn: 56485

load address has an offset from the base of the constant pool
entry.

llvm-svn: 56479

llvm-svn: 56476

llvm-svn: 56475