Dan Gohman a10756ee65 Re-implement the main strength-reduction portion of LoopStrengthReduction. ... This new version is much more aggressive about doing "full" reduction in cases where it reduces register pressure, and also more aggressive about rewriting induction variables to count down (or up) to zero when doing so reduces register pressure. It currently uses fairly simplistic algorithms for finding reuse opportunities, but it introduces a new framework allows it to combine multiple strategies at once to form hybrid solutions, instead of doing all full-reduction or all base+index. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94061 91177308-0d34-0410-b5e6-96231b3b80d8		2010-01-21 02:09:26 +00:00
..
ABCD.cpp	Change errs() to dbgs().	2010-01-05 01:27:39 +00:00
ADCE.cpp	Use do+while instead of while for loops which obviously have a	2010-01-05 16:27:25 +00:00
BasicBlockPlacement.cpp
CMakeLists.txt	move instcombine to its own library, it's past time.	2010-01-04 06:23:24 +00:00
CodeGenPrepare.cpp	When doing address-mode sinking, expand the base register first, rather	2010-01-19 22:45:06 +00:00
ConstantProp.cpp	remove a bunch of extraneous LLVMContext arguments	2009-11-06 04:27:31 +00:00
DCE.cpp
DeadStoreElimination.cpp	Use do+while instead of while for loops which obviously have a	2010-01-05 16:27:25 +00:00
GEPSplitter.cpp	Check in the experimental GEP splitter pass. This pass splits complex	2009-10-26 19:12:14 +00:00
GVN.cpp	Convert some of the dynamic opcode lookups into static ones.	2010-01-17 19:33:27 +00:00
IndVarSimplify.cpp	Re-implement the main strength-reduction portion of LoopStrengthReduction.	2010-01-21 02:09:26 +00:00
JumpThreading.cpp	1) Use the new SimplifyInstructionsInBlock routine instead of the copy	2010-01-12 20:41:47 +00:00
LICM.cpp	Change errs() to dbgs().	2010-01-05 01:27:30 +00:00
LoopDeletion.cpp	LoopDeletion depends on loops having dedicated exits.	2009-11-05 21:47:04 +00:00
LoopIndexSplit.cpp	Use do+while instead of while for loops which obviously have a	2010-01-05 16:27:25 +00:00
LoopRotation.cpp	Update various Loop optimization passes to cope with the possibility that	2009-11-05 21:11:53 +00:00
LoopStrengthReduce.cpp	Re-implement the main strength-reduction portion of LoopStrengthReduction.	2010-01-21 02:09:26 +00:00
LoopUnrollPass.cpp	Change errs() to dbgs().	2010-01-05 01:27:44 +00:00
LoopUnswitch.cpp	Convert a ton of simple integer type equality tests to the new predicate.	2010-01-05 20:07:06 +00:00
Makefile
MemCpyOptimizer.cpp	Convert a ton of simple integer type equality tests to the new predicate.	2010-01-05 20:07:06 +00:00
Reassociate.cpp	only factor from expressions whose uses are empty and whose	2010-01-09 06:01:36 +00:00
Reg2Mem.cpp
Scalar.cpp	remove the now dead condprop pass, PR3906.	2009-11-11 05:56:35 +00:00
ScalarReplAggregates.cpp	Fix a crash in scalarrepl for memcpy/memmove where the source and destination	2010-01-19 04:32:48 +00:00
SCCP.cpp	Change errs() to dbgs().	2010-01-05 01:27:15 +00:00
SCCVN.cpp	Use do+while instead of while for loops which obviously have a	2010-01-05 16:27:25 +00:00
SimplifyCFGPass.cpp	Use do+while instead of while for loops which obviously have a	2010-01-05 16:27:25 +00:00
SimplifyHalfPowrLibCalls.cpp	improve portability to avoid conflicting with std::next in c++'0x.	2009-12-03 00:50:42 +00:00
SimplifyLibCalls.cpp	Add strcpy_chk -> strcpy support for "don't know" object size	2010-01-21 01:04:38 +00:00
TailDuplication.cpp	Change errs() to dbgs().	2010-01-05 01:27:33 +00:00
TailRecursionElimination.cpp	Improve tail call elimination to handle the switch statement.	2009-11-07 21:10:15 +00:00