llvm-6502/test/Transforms
David Majnemer 891ec6d69f InstSimplify: shl nsw/nuw undef, %V -> undef
We can always choose an value for undef which might cause %V to shift
out an important bit except for one case, when %V is zero.

However, shl behaves like an identity function when the right hand side
is zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224405 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-17 01:54:33 +00:00
..
ADCE
AddDiscriminators IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
AlignmentFromAssumptions
ArgumentPromotion IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
AtomicExpand/ARM
BBVectorize IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
BranchFolding
CodeExtractor
CodeGenPrepare [CodeGenPrepare][AArch64] Fix a TLI legality check on iPTR to use a lowered instead. 2014-11-12 22:16:55 +00:00
ConstantHoisting
ConstantMerge
ConstProp
CorrelatedValuePropagation LazyValueInfo: Actually re-visit partially solved block-values in solveBlockValue() 2014-11-25 17:23:05 +00:00
DeadArgElim IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
DeadStoreElimination IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
EarlyCSE Tweak EarlyCSE to recognize series of dead stores 2014-11-18 17:46:32 +00:00
FunctionAttrs
GCOVProfiling IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
GlobalDCE
GlobalOpt IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
GVN IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
IndVarSimplify Teach ScalarEvolution to exploit min and max expressions when proving 2014-12-15 22:50:15 +00:00
Inline IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
InstCombine IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
InstMerge Added a test related to 224247 revision 2014-12-15 14:14:10 +00:00
InstSimplify InstSimplify: shl nsw/nuw undef, %V -> undef 2014-12-17 01:54:33 +00:00
Internalize
IPConstantProp
JumpThreading IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
LCSSA
LICM IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
LoadCombine
LoopDeletion
LoopIdiom IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
LoopReroll
LoopRotate IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
LoopSimplify
LoopStrengthReduce IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
LoopUnroll IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
LoopUnswitch
LoopVectorize Masked Load and Store Intrinsics in loop vectorizer. 2014-12-16 11:50:42 +00:00
LowerAtomic
LowerExpectIntrinsic IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
LowerInvoke
LowerSwitch
Mem2Reg IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
MemCpyOpt
MergeFunc IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
MetaRenamer
ObjCARC IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
PartiallyInlineLibCalls
PhaseOrdering
PruneEH
Reassociate Revert "[Reassociate] As the expression tree is rewritten make sure the operands are" 2014-11-19 23:21:20 +00:00
Reg2Mem
SampleProfile IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
Scalarizer IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
ScalarRepl IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
SCCP SCCP: overdefined calls cannot become constant 2014-11-07 08:54:19 +00:00
SeparateConstOffsetFromGEP/NVPTX
SimplifyCFG IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
Sink
SLPVectorizer IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
SROA SROA: The alloca type isn't a candidate promotion type for vectors 2014-11-21 02:34:55 +00:00
StripSymbols IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
StructurizeCFG StructurizeCFG: Use LoopInfo analysis for better loop detection 2014-12-03 04:28:32 +00:00
TailCallElim Fix tail recursion elimination 2014-11-19 13:32:51 +00:00
TailDup
Util [SwitchLowering] Handle destinations on multiple phi instructions 2014-12-02 18:31:53 +00:00