Evan Cheng 61230d18d2 Try schedule def + use closer whne Sethi-Ullman numbers are the same. ...

e.g.
t1 = op t2, c1
t3 = op t4, c2
and the following instructions are both ready.
t2 = op c3
t4 = op c4

Then schedule t2 = op first.
i.e.
t4 = op c4
t2 = op c3
t1 = op t2, c1
t3 = op t4, c2

This creates more short live intervals which work better with the register
allocator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35089 91177308-0d34-0410-b5e6-96231b3b80d8

2007-03-13 23:25:11 +00:00

..

SelectionDAG

Try schedule def + use closer whne Sethi-Ullman numbers are the same.

2007-03-13 23:25:11 +00:00

AsmPrinter.cpp

Small eye-candy: use asciz directive everywhere, where possible.

2007-03-06 19:25:02 +00:00

BranchFolding.cpp

Remove isAccessable.

2007-02-22 16:39:03 +00:00

DwarfWriter.cpp

Cleanup: make SetCounter an instance variable

2007-03-07 08:25:02 +00:00

ELFWriter.cpp

Generalize TargetData strings, to support more interesting forms of data.

2007-02-14 05:52:17 +00:00

ELFWriter.h

Moved from include/llvm/CodeGen to lib/CodeGen.

2007-02-08 01:30:50 +00:00

IntrinsicLowering.cpp

Lower eh filter intrinsic.

2007-03-01 20:24:30 +00:00

LiveInterval.cpp

Added an automatic cast to "std::ostream*" etc. from OStream. We then can

2006-12-17 05:15:13 +00:00

LiveIntervalAnalysis.cpp

Watch out for cases like this:

2007-03-03 02:18:00 +00:00

LiveVariables.cpp

If a virtual register is already marked alive in this block, that means it is

2007-03-09 09:48:56 +00:00

LLVMTargetMachine.cpp

Now LoopStrengthReduce is a LoopPass.

2007-03-06 21:14:09 +00:00

MachineBasicBlock.cpp

Print preds / succs BB numbers.

2007-03-09 08:29:08 +00:00

MachineFunction.cpp

Generalize TargetData strings, to support more interesting forms of data.

2007-02-14 05:52:17 +00:00

MachineInstr.cpp

Use findRegisterUseOperand to find a kill of particular register.

2007-02-23 01:04:26 +00:00

MachineModuleInfo.cpp

Collect eh filter info.

2007-03-01 20:25:32 +00:00

MachinePassRegistry.cpp

Final polish on machine pass registries.

2006-08-02 12:30:23 +00:00

MachOWriter.cpp

Remove unneeded header file.

2007-03-04 04:41:04 +00:00

MachOWriter.h

More Mach-O writer improvements.

2007-02-28 07:40:50 +00:00

Makefile

this will work better

2006-11-03 19:15:55 +00:00

Passes.cpp

*** empty log message ***

2006-11-16 20:11:33 +00:00

PHIElimination.cpp

rename DenseMap to IndexedMap.

2007-02-01 05:32:05 +00:00

PhysRegTracker.h

Improved PhysRegTracker interface. RegAlloc lazily allocates the register tracker using a std::auto_ptr

2004-02-23 06:10:13 +00:00

PrologEpilogInserter.cpp

If target decides to create an emergency spill slot, make sure it's closest to SP or frame pointer.

2007-03-06 10:02:38 +00:00

RegAllocLinearScan.cpp

Only add liveinterval to livein set if it isn't assigned a stack slot.

2007-02-25 09:39:02 +00:00

RegAllocLocal.cpp

Use BitVector instead of vector<bool> which can be extremely slow.

2007-02-15 05:59:24 +00:00

RegAllocSimple.cpp

Eliminate static ctors from Statistics

2006-12-19 22:41:21 +00:00

RegisterScavenging.cpp

Minor bug fix.

2007-03-06 21:58:15 +00:00

TwoAddressInstructionPass.cpp

Eliminate static ctors from Statistics

2006-12-19 22:41:21 +00:00

UnreachableBlockElim.cpp

eliminate RegisterOpt. It does the same thing as RegisterPass.

2006-08-27 22:42:52 +00:00

VirtRegMap.cpp

Only propagate IsKill if the last use is a kill.

2007-03-03 06:32:37 +00:00

VirtRegMap.h

rename DenseMap to IndexedMap.

2007-02-01 05:32:05 +00:00