instructions are expensive.

llvm-svn: 26298

and SUBE nodes that actually expose what's going on and allow for
significant simplifications in the targets.

llvm-svn: 26255

and ComputeMaskedBits to match the new improved versions in instcombine.
Tested against all of multisource/benchmarks on ppc.

llvm-svn: 26238

it, because this:

.bss
X:
.byte 0

results in the assembler warning: "initialization in bss segment".  Annoying.

llvm-svn: 26204

The ABI specifies that there is a register save area at the bottom of the
stack, which means the actual used pointer needs to be an offset from
the subtracted value.

llvm-svn: 26202

CALLSEQ_START nodes.

llvm-svn: 26143

intrinsics.

Autogen frameindex matcher

llvm-svn: 26107

llvm-svn: 26106

llvm-svn: 26091

llvm-svn: 26090

llvm-svn: 26085

llvm-svn: 26080

value/alignment pair for each constant, keep a value/offset pair.

llvm-svn: 26078

SDOperand Select(SDOperand N);
to
void Select(SDOperand &Result, SDOperand N);

llvm-svn: 26067

llvm-svn: 26009

llvm-svn: 25998

llvm-svn: 25991

llvm-svn: 25985

llvm-svn: 11826

llvm-svn: 11804

switch statements in the constructors and simplifies the
implementation of the getUseType() member function. You will have to
specify defs using MachineOperand::Def instead of MOTy::Def though
(similarly for Use and UseAndDef).

llvm-svn: 11715

llvm-svn: 11474

llvm-svn: 11430

llvm-svn: 11393

llvm-svn: 11375

llvm-svn: 11342

ilist of MachineInstr objects. This allows constant time removal and
insertion of MachineInstr instances from anywhere in each
MachineBasicBlock. It also allows for constant time splicing of
MachineInstrs into or out of MachineBasicBlocks.

llvm-svn: 11340

llvm-svn: 11335

llvm-svn: 11322

llvm-svn: 11317

MO_VirtualRegister but if the register number is one of a physical
register is it considered as a physical register.

llvm-svn: 11315

MO_VirtualRegister but actually be representing a physical register.

llvm-svn: 11310

llvm-svn: 11282

llvm-svn: 11280

llvm-svn: 11277

I will observe that the concept of using WriteAsOperand is completely broken,
but then we all knew that, didn't we?

llvm-svn: 11255

llvm-svn: 11252

placed into any alignment situation.

llvm-svn: 11247

llvm-svn: 11002

wheel.

llvm-svn: 10891