* Implement SCCP of load instructions, implementing Transforms/SCCP/loadtest.ll
  This allows us to fold expressions like "foo"[2], even if the pointer is only
  a conditional constant.

llvm-svn: 10767

from constant memory is, but lets not take chances.

llvm-svn: 10765

llvm-svn: 10763

case that the C/C++ front-end generates.

llvm-svn: 10761

Fix iterator invalidation problems which was causing -mstrip to miss some
entries, and read free'd memory.  This shrinks the symbol table of 254.gap
from 333 to 284 bytes!  :)

llvm-svn: 10751

llvm-svn: 10727

llvm-svn: 10726

llvm-svn: 10725

add flags for PR82

llvm-svn: 10724

llvm-svn: 10722

getSubLoops/getTopLevelLoops methods, replacing them with iterator-based
accessors.

llvm-svn: 10714

we converge

llvm-svn: 10618

llvm-svn: 10592

it doesn't do anything with it.

llvm-svn: 10590

finegrainify namespacification

llvm-svn: 10589

llvm-svn: 10586

contains no functionality changes.

llvm-svn: 10583

arithmetic into "array subscripts"

llvm-svn: 10580

llvm-svn: 10573

llvm-svn: 10539

llvm-svn: 10536

loop before hoisting any.

llvm-svn: 10534

llvm-svn: 10531

llvm-svn: 10530

llvm-svn: 10529

according to the CVS log messages.

llvm-svn: 10517

llvm-svn: 10516

AliasSetTracker as well.

llvm-svn: 10507

llvm-svn: 10473

llvm-svn: 10467

llvm-svn: 10458

Fix LICM/2003-12-11-SinkingToPHI.ll, and quite possibly all of the other known problems in the universe.

llvm-svn: 10409

that it needs.  This is pretty scary code!  This fixes

Regression.Transforms.LevelRaise.2002-07-16-SourceAndDestCrash
Regression.Transforms.LevelRaise.2002-07-31-AssertionFailure

llvm-svn: 10406

Thanks for pointing this out John  :)

llvm-svn: 10387

llvm-svn: 10386

llvm-svn: 10385

Fix bug: LowerInvoke/2003-12-10-Crash.llx

llvm-svn: 10382

Reorder #includes
Implement: IndVarsSimplify/2003-12-10-IndVarDeadCode.ll

llvm-svn: 10376

Fix bug: LoopSimplify/2003-12-10-ExitBlocksProblem.ll

llvm-svn: 10373

llvm-svn: 10371