llvm-6502/test/Transforms
Anders Carlsson 77bc49e5e2 Recognize and simplify
(A+B) == A  ->  B == 0
A == (A+B)  ->  B == 0



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124567 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-30 22:01:13 +00:00
..
ADCE
ArgumentPromotion fix PR8932, a case where arg promotion could infinitely promote. 2011-01-16 08:09:24 +00:00
BlockPlacement
BranchFolding
CodeExtractor
CodeGenPrepare temporarily revert r123526. While working on a follow-on patch I 2011-01-15 07:51:19 +00:00
ConstantMerge Don't merge two constants if we care about the address of both. 2011-01-16 17:05:09 +00:00
ConstProp Add the select optimization recently added to instcombine to constant folding. 2011-01-29 20:35:06 +00:00
CorrelatedValuePropagation Test for lazy value info's ability to prove the absense of NULLs in pointers. 2011-01-16 21:57:20 +00:00
DeadArgElim Teach DAE to look for functions whose arguments are unused, and change all callers to pass in an undefvalue instead. 2011-01-16 21:25:33 +00:00
DeadStoreElimination Fix PR8728, a miscompilation I recently introduced. When optimizing 2010-12-06 01:48:06 +00:00
EarlyCSE Duncan deftly points out that readnone functions aren't 2011-01-03 23:38:13 +00:00
FunctionAttrs Make ModRefBehavior a lattice. Use this to clean up AliasAnalysis 2010-11-10 01:02:18 +00:00
GlobalDCE
GlobalOpt Add unnamed_addr when we can show that address of a global is not used. 2011-01-19 16:32:21 +00:00
GVN Give GVN back the ability to perform simple conditional propagation on conditional branch values. 2010-12-21 23:54:34 +00:00
IndVarSimplify Remove LoopIndexSplit pass. It is neither maintained nor used by anyone. 2010-10-07 23:29:37 +00:00
Inline relax testcase a bit. 2011-01-14 07:46:33 +00:00
InstCombine Recognize and simplify 2011-01-30 22:01:13 +00:00
InstSimplify Commit 124487 broke 254.gap. See if disabling the part that might be triggered 2011-01-30 18:24:20 +00:00
Internalize
IPConstantProp
JumpThreading Re-apply r124518 with fix. Watch out for invalidated iterator. 2011-01-29 04:46:23 +00:00
LCSSA
LICM Enhance LICM to promote alias sets whose pointers themselves are stored, 2010-12-19 05:57:25 +00:00
LoopDeletion
LoopIdiom Teach loop-idiom to turn a loop containing a memset into a larger memset 2011-01-04 07:46:33 +00:00
LoopRotate merge tests into one crash.ll test. 2011-01-11 07:50:07 +00:00
LoopSimplify Fix PR8702 by not having LoopSimplify claim to preserve LCSSA form. As described 2011-01-02 13:38:21 +00:00
LoopStrengthReduce
LoopUnroll
LoopUnswitch Factor code for testing whether replacing one value with another 2010-11-18 19:59:41 +00:00
LowerAtomic
LowerInvoke
LowerSetJmp
LowerSwitch
Mem2Reg
MemCpyOpt Actually check memcpy lengths, instead of just commenting about 2011-01-21 22:07:57 +00:00
MergeFunc Fix surprising missed optimization in mergefunc where we forgot to consider 2011-01-27 08:38:19 +00:00
PruneEH
Reassociate Fix PR9039, a use-after-free in reassociate. The issue was that the 2011-01-26 10:08:38 +00:00
ScalarRepl merge all the "crash tests" into crash.ll 2011-01-24 03:37:34 +00:00
SCCP
SimplifyCFG Re-apply r124518 with fix. Watch out for invalidated iterator. 2011-01-29 04:46:23 +00:00
SimplifyLibCalls Revert r64460. strtol and friends cannot be marked readonly, even with 2010-12-17 01:09:43 +00:00
Sink Make BasicAliasAnalysis a normal AliasAnalysis implementation which 2010-10-18 18:04:47 +00:00
SRETPromotion
StripSymbols
TailCallElim Add a test for TCE return duplication. 2011-01-29 04:53:35 +00:00
TailDup