llvm-svn: 37528

llvm-svn: 37527

llvm-svn: 37526

With this patch, GVN-PRE now correctly optimizes the example from the thesis.

Many thanks to Daniel Berlin for helping me find errors in this.

llvm-svn: 37525

llvm-svn: 37524

llvm-svn: 37523

simultaneously.  Move that pass to SimpleRegisterCoalescing.

This makes it easier to implement alternative register allocation and
coalescing strategies while maintaining reuse of the existing live
interval analysis.

llvm-svn: 37520

llvm-svn: 37518

llvm-svn: 37517

llvm-svn: 37516

how much will be used.

llvm-svn: 37515

llvm-svn: 37513

Now LoopSimplify does not require nor preserve ETForest.

llvm-svn: 37512

llvm-svn: 37511

llvm-svn: 37510

is too slow.

llvm-svn: 37509

llvm-svn: 37507

llvm-svn: 37506

llvm-svn: 37505

llvm-svn: 37504

llvm-svn: 37503

llvm-svn: 37502

llvm-svn: 37501

This allows faster immediate domiantor walk.

llvm-svn: 37500

llvm-svn: 37499

llvm-svn: 37498

llvm-svn: 37496

llvm-svn: 37495

llvm-svn: 37494

This adds redundancy for now.

llvm-svn: 37492

llvm-svn: 37491

ifcvt a triangle: don't merge ifcvt block with rejoin block if it can fall through to it. If merged, the resulting block is not a candidate for iterative ifcvting since it contains both predicated and non-predicated code.

llvm-svn: 37487

correct type of parameters.

llvm-svn: 37486

llvm-svn: 37485

Stupid cut-n-paste bug caused me soooo much grief. Why wasn't there a compilation warning? I blame it on the FE folks.

llvm-svn: 37484

global values".
Fix noinline linkage.

llvm-svn: 37482

llvm-svn: 37481

llvm-svn: 37478

llvm-svn: 37475

llvm-svn: 37472