in ppc64 mode.

llvm-svn: 48459

about sret made by the optimizers.

llvm-svn: 48452

llvm-svn: 48451

llvm-svn: 48450

lowering over to SparcCallingConv.td.  We can't make the switch
yet because we can't say to pass f64 registers in 2 x i32 registers
with the td file yet.

llvm-svn: 48449

llvm-svn: 48448

llvm-svn: 48447

the coalescer.  This doesn't really work, but gets us farther than
before.

llvm-svn: 48446

llvm-svn: 48445

other targets.  Use autogenerated calling conv to lower result of
calls.

llvm-svn: 48444

return lowering first.  This fixes a bug where the top and bottom
of i64 values were returned in the wrong registers before.

llvm-svn: 48443

best practices.

llvm-svn: 48442

each lowering, which is 'best practice'.

llvm-svn: 48441

behavior where a callee thinks a param will be
present in memory, even though the ABI doc says
it doesn't have to be.  Handle complex long long
and complex double (4 and 8 return regs).

llvm-svn: 48439

llvm-svn: 48438

llvm-svn: 48437

llvm-svn: 48431

llvm-svn: 48430

llvm-svn: 48422

llvm-svn: 48421

llvm-svn: 48420

Patch originally by Erick Tryzelaar, but has been modified somewhat.

llvm-svn: 48419

llvm-svn: 48418

llvm-upgrade because nobody noticed them failing.

Update to use new syntax and actually check for the right failure by looking at
the error message.

llvm-svn: 48417

llvm-svn: 48416

llvm-svn: 48415

llvm-svn: 48414

llvm-svn: 48413

Make insert_subreg a two-address instruction, vastly simplifying LowerSubregs pass. Add a new TII, subreg_to_reg, which is like insert_subreg except that it takes an immediate implicit value to insert into rather than a register.

llvm-svn: 48412

Patch by Erick Tryzelaar.

llvm-svn: 48382

llvm-svn: 48381

Replace all target specific implicit def instructions with a target independent one: TargetInstrInfo::IMPLICIT_DEF.

llvm-svn: 48380

Patch by Erick Tryzelaar.

llvm-svn: 48379

Patch by Erick Tryzelaar.

llvm-svn: 48378

llvm-svn: 48376

llvm-svn: 48375

table for nounwind calls.

llvm-svn: 48373

llvm-svn: 48372

Fix PR2138. Apparently any modification to a std::multimap (including remove entries for a different key) can invalidate multimap iterators.

llvm-svn: 48371

llvm-svn: 48370