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d2c64e2df9
llvm-6502/test/Transforms
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Sanjay Patel d2c64e2df9 Fix really obscure bug in CannotBeNegativeZero() (PR22688) 
With a diabolically crafted test case, we could recurse
through this code and return true instead of false.

The larger engineering crime is the use of magic numbers. 
Added FIXME comments for those.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230515 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-25 18:00:15 +00:00
..
ADCE
AddDiscriminators IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
AlignmentFromAssumptions
ArgumentPromotion FileCheck-ize a test to make it easier to migrate to typeless pointers 2015-02-15 04:14:00 +00:00
AtomicExpand/ARM
BBVectorize
BDCE [BDCE] Don't forget uses of root instructions seen before the instruction itself 2015-02-18 03:12:28 +00:00
BranchFolding
CodeExtractor
CodeGenPrepare [GC] CodeGenPrep transform: simplify offsetable relocate 2015-01-14 23:27:07 +00:00
ConstantHoisting
ConstantMerge
ConstProp Avoid conversion to float when creating ConstantDataArray/ConstantDataVector. 2015-02-19 16:08:20 +00:00
CorrelatedValuePropagation
DeadArgElim DeadArgElim: aggregate Return assessment properly. 2015-02-11 23:13:11 +00:00
DeadStoreElimination
EarlyCSE EarlyCSE: Add check lines for test added in r228760 2015-02-10 23:11:02 +00:00
FunctionAttrs
GCOVProfiling IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
GlobalDCE
GlobalOpt IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
GVN Allow PRE to insert no-cost phi nodes 2015-02-03 20:37:08 +00:00
IndVarSimplify Revert r230280: "Bugfix: SCEVExpander incorrectly marks increment operations as no-wrap" 2015-02-24 16:19:29 +00:00
Inline Fix a crash in the assumption cache when inlining indirect function calls 2015-02-12 21:04:22 +00:00
InstCombine [IC] Turn non-null MD on pointer loads to range MD on integer loads. 2015-02-25 05:10:25 +00:00
InstMerge Minor fix after 229495. 2015-02-18 08:09:28 +00:00
InstSimplify Fix really obscure bug in CannotBeNegativeZero() (PR22688) 2015-02-25 18:00:15 +00:00
Internalize
IPConstantProp
IRCE IRCE: use SCEVs instead of llvm::Value's for intermediate 2015-02-21 22:07:32 +00:00
JumpThreading Update a test to make it easier to migrate to untyped pointers 2015-02-15 04:13:58 +00:00
LCSSA Update a test to use FileCheck so it's easier to migrate to future typeless pointer changes 2015-02-15 04:13:57 +00:00
LICM Teach isDereferenceablePointer() to look through bitcast constant expressions. 2015-02-05 09:15:37 +00:00
LoadCombine
LoopDeletion
LoopIdiom IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
LoopReroll [LoopReroll] Relax some assumptions a little. 2015-02-16 17:02:00 +00:00
LoopRotate LoopRotate: When reconstructing loop simplify form don't split edges from indirectbrs. 2015-02-20 20:49:25 +00:00
LoopSimplify Teach SplitBlockPredecessors how to handle landingpad blocks. 2015-01-28 23:06:47 +00:00
LoopStrengthReduce Revert r230280: "Bugfix: SCEVExpander incorrectly marks increment operations as no-wrap" 2015-02-24 16:19:29 +00:00
LoopUnroll Partial fix for bug 22589 2015-02-18 19:32:25 +00:00
LoopUnswitch
LoopVectorize [x86,sdag] Two interrelated changes to the x86 and sdag code. 2015-02-19 10:36:19 +00:00
LowerAtomic
LowerBitSets LowerBitSets: Introduce global layout builder. 2015-02-24 23:17:02 +00:00
LowerExpectIntrinsic [PM] Port LowerExpectIntrinsic to the new pass manager. 2015-01-24 11:13:02 +00:00
LowerInvoke
LowerSwitch LowerSwitch: replace unreachable default with popular case destination 2015-01-23 20:43:51 +00:00
Mem2Reg IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
MemCpyOpt ValueTracking: Make isBytewiseValue simpler and more powerful at the same time. 2015-02-07 19:29:02 +00:00
MergeFunc
MetaRenamer
ObjCARC [objc-arc-contract] We can not move retains over instructions which can not conservatively be proven to not decrement the retain's RCIdentity. 2015-02-20 00:02:49 +00:00
PartiallyInlineLibCalls
PhaseOrdering
PlaceSafepoints [PlaceSafepoints] Adjust enablement logic to default to off and be GC configurable per GC 2015-02-21 00:09:09 +00:00
PruneEH Fix invalid LLVM IR in PruneEH tests 2015-02-11 02:06:47 +00:00
Reassociate Reassociate: cannot negate a INT_MIN value 2015-02-11 19:54:44 +00:00
Reg2Mem
RewriteStatepointsForGC Bugfix for 229954 2015-02-20 18:56:14 +00:00
SampleProfile IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
Scalarizer IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
ScalarRepl IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
SCCP
SeparateConstOffsetFromGEP/NVPTX
SimplifyCFG Prevent hoisting fmul from THEN/ELSE to IF if there is fmsub/fmadd opportunity. 2015-02-23 19:15:16 +00:00
Sink
SLPVectorizer [slp] Fix a nasty bug in the SLP vectorizer that Joerg pointed out. 2015-02-12 02:30:56 +00:00
SROA
StraightLineStrengthReduce Add straight-line strength reduction to LLVM 2015-02-03 19:37:06 +00:00
StripSymbols IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
StructurizeCFG StructurizeCFG: Use a reverse post-order traversal 2015-02-04 20:49:44 +00:00
TailCallElim
TailDup
Util Correctly combine alias.scope metadata by a union instead of intersecting 2015-02-08 17:07:14 +00:00