llvm-svn: 84513

llvm-svn: 84512

llvm-svn: 84510

llvm-svn: 84509

llvm-svn: 84508

llvm-svn: 84506

where a loop's header is being split and it has predecessors which are not
contained by the most-nested loop which contains the loop.
This fixes PR5235.

llvm-svn: 84505

llvm-svn: 84504

llvm-svn: 84503

to name basic blocks "bb" instead of "BB", for consistency.

llvm-svn: 84502

LLC was scheduling compares before the adds causing wrong branches to be taken
in programs, resulting in misoptimized code wherever atomic adds where used.

llvm-svn: 84485

llvm-svn: 84471

llvm-svn: 84465

llvm-svn: 84463

llvm-svn: 84459

llvm-svn: 84432

llvm-svn: 84431

llvm-svn: 84425

stack slots and giving them different PseudoSourceValue's did not fix the
problem of post-alloc scheduling miscompiling llvm itself.
- Apply Dan's conservative workaround by assuming any non fixed stack slots can
alias other memory locations. This means a load from spill slot #1 cannot 
move above a store of spill slot #2. 
- Enable post-alloc scheduling for x86 at optimization leverl Default and above.

llvm-svn: 84424

llvm-svn: 84411

llvm-svn: 84410

llvm-svn: 84408

instructions.

llvm-svn: 84404

llvm-svn: 84403

llvm-svn: 84399

accessible through opt.  Patch by Tobias Grosser!

llvm-svn: 84397

llvm-svn: 84396

LLVMBuildMalloc was reimplemented but with the bug that it didn't insert the
resulting instruction.

llvm-svn: 84374

llvm-svn: 84373

llvm-svn: 84372

allowing it to simplify the crazy constantexprs in the testcases
down to something sensible.  This allows -std-compile-opts to
completely "devirtualize" the pointers to member functions in
the testcase from PR5176.

llvm-svn: 84368

llvm-svn: 84358

llvm-svn: 84357

llvm-svn: 84356

llvm-svn: 84355

More to follow...

llvm-svn: 84352

llvm-svn: 84348

llvm-svn: 84344

llvm-svn: 84336

llvm-svn: 84327