llvm-6502/lib/Transforms/Scalar
Chris Lattner 255d8919b6 Port the recent innovations in ComputeMaskedBits to SimplifyDemandedBits.
This allows us to simplify on conditions where bits are not known, but they
are not demanded either!  This also fixes a couple of bugs in
ComputeMaskedBits that were exposed during this work.

In the future, swaths of instcombine should be removed, as this code
subsumes a bunch of ad-hockery.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26122 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-11 09:31:47 +00:00
..
ADCE.cpp Make iostream #inclusion explicit 2006-01-22 23:32:06 +00:00
BasicBlockPlacement.cpp
CondPropagate.cpp
ConstantProp.cpp
CorrelatedExprs.cpp Improve compatibility with VC2005, patch by Morten Ofstad! 2006-01-26 20:41:32 +00:00
DCE.cpp
DeadStoreElimination.cpp Fix a bug where we didn't realize that vaarg reads memory. This fixes 2005-11-30 19:38:22 +00:00
GCSE.cpp Switch these to using ETForest instead of DominatorSet to compute itself. 2006-01-11 05:10:20 +00:00
IndVarSimplify.cpp Fix a crash building 176.gcc due to my recent patch, which only fixed 2005-11-18 18:30:47 +00:00
InstructionCombining.cpp Port the recent innovations in ComputeMaskedBits to SimplifyDemandedBits. 2006-02-11 09:31:47 +00:00
LICM.cpp Make iostream #inclusion explicit 2006-01-22 23:32:06 +00:00
LoopStrengthReduce.cpp Use SCEVExpander::InsertCastOfTo instead of our own code. This reduces 2006-02-04 09:52:43 +00:00
LoopUnroll.cpp Make iostream #inclusion explicit 2006-01-22 23:32:06 +00:00
LoopUnswitch.cpp implement unswitching of loops with switch stmts and selects in them 2006-02-11 00:43:37 +00:00
LowerGC.cpp FunctionPass's cannot do IPO things. 2006-01-14 19:30:35 +00:00
LowerPacked.cpp Lowerpacked and SCCP support for the insertelement operation. 2006-01-17 20:06:55 +00:00
Makefile
Reassociate.cpp Make iostream #inclusion explicit 2006-01-22 23:32:06 +00:00
Reg2Mem.cpp since reg2mem requires it, might as well mention that it preserves it 2005-11-25 16:04:54 +00:00
ScalarReplAggregates.cpp Fix Regression/Transforms/ScalarRepl/2006-01-24-IllegalUnionPromoteCrash.ll 2006-01-24 19:36:27 +00:00
SCCP.cpp Implement some more interesting select sccp cases. This implements: 2006-02-08 02:38:11 +00:00
SimplifyCFG.cpp
TailDuplication.cpp Make iostream #inclusion explicit 2006-01-22 23:32:06 +00:00
TailRecursionElimination.cpp Implement Transforms/TailCallElim/return-undef.ll, a trivial case 2005-11-05 08:21:11 +00:00