llvm-svn: 118462

Fix PR8441, a race condition in the static attributes list.  While the reference counting was itself threadsafe,
the implicit removal of each object from the global list was not.  Make this operation atomic.

llvm-svn: 118461

llvm-svn: 118458

llvm-svn: 118457

number of registers in the list.

llvm-svn: 118456

llvm-svn: 118453

llvm-svn: 118447

llvm-svn: 118446

llvm-svn: 118445

llvm-svn: 118442

pointsToConstantMemory code to guard against possible
compile time slowdowns.

llvm-svn: 118440

Major cleanup of whitespace and formatting issues in MBlaze backend

llvm-svn: 118434

llvm-svn: 118430

llvm-svn: 118429

handle cases in which a register is unavailable for spill code.
Adds LiveIntervalUnion::extract. While processing interferences on a
live virtual register, reuses the same Query object for each
physcial reg.

llvm-svn: 118423

llvm-svn: 118422

llvm-svn: 118421

llvm-svn: 118417

llvm-svn: 118416

llvm-svn: 118413

to optionally look for constant or local (alloca) memory.

Teach BasicAliasAnalysis::pointsToConstantMemory to look through Select
and Phi nodes, and to support looking for local memory.

Remove FunctionAttrs' PointsToLocalOrConstantMemory function, now that
AliasAnalysis knows all the tricks that it knew.

llvm-svn: 118412

getModRefBehavior now, since it now understands intrinsics as well
as normal functions.

llvm-svn: 118411

knows about intrinsic functions.

llvm-svn: 118410

to analyze intrinsic functions.

llvm-svn: 118409

llvm-svn: 118398

llvm-svn: 118397

llvm-svn: 118396

llvm-svn: 118395

llvm-svn: 118394

an initial implementation and may change once reglists are fully fleshed out.

llvm-svn: 118390

llvm-svn: 118389

of a select instruction, the same as already exists for integer
comparisons.

llvm-svn: 118379

of a select instruction, see if doing the compare with the
true and false values of the select gives the same result.
If so, that can be used as the value of the comparison.

llvm-svn: 118378

This is really slow with we have 1000s of sections each with a corresponding
relocation section. Also, it is only used by the ELF writer to add
basic data, so there is no need to force a new layout pass.

Should fix PR8563.

llvm-svn: 118377

llvm-svn: 118375

llvm-svn: 118370

llvm-svn: 118367

llvm-svn: 118365

implementing rdar://8431864

llvm-svn: 118364

the registers, because the register numbers may be much greater than the number
of bits available in the machine's register.

I extracted the register list verification code out of the actual parsing of the
registers. This made checking for errors much easier. It also limits the number
of warnings that would be emitted for cascading infractions.

llvm-svn: 118363