llvm-6502/test/Transforms
Sanjoy Das 7ec1829823 Fix PR22222
The bug was introduced in r225282. r225282 assumed that sub X, Y is
the same as add X, -Y. This is not correct if we are going to upgrade
the sub to sub nuw. This change fixes the issue by making the
optimization ignore sub instructions.

Differential Revision: http://reviews.llvm.org/D6979



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226075 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-15 01:46:09 +00:00
..
ADCE
AddDiscriminators IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
AlignmentFromAssumptions [AlignmentFromAssumptions] Don't crash just because the target is 32-bit 2014-09-11 08:40:17 +00:00
ArgumentPromotion IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
AtomicExpand/ARM Use target-dependent emitLeading/TrailingFence instead of the target-independent insertLeading/TrailingFence (in AtomicExpandPass) 2014-09-03 21:01:03 +00:00
BBVectorize This patch teaches IndVarSimplify to add nuw and nsw to certain kinds 2015-01-06 19:02:56 +00:00
BranchFolding Delete -std-compile-opts. 2014-10-16 20:00:02 +00:00
CodeExtractor
CodeGenPrepare [GC] CodeGenPrep transform: simplify offsetable relocate 2015-01-14 23:27:07 +00:00
ConstantHoisting
ConstantMerge
ConstProp Fix a bug around truncating vector in const prop. 2014-08-21 02:12:35 +00:00
CorrelatedValuePropagation LazyValueInfo: Actually re-visit partially solved block-values in solveBlockValue() 2014-11-25 17:23:05 +00:00
DeadArgElim IR: Move MDLocation into place 2015-01-14 22:27:36 +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 Normally an 'optnone' function goes through fast-isel, which does not 2014-11-03 18:19:26 +00:00
GCOVProfiling IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
GlobalDCE Change the .ll syntax for comdats and add a syntactic sugar. 2015-01-06 22:55:16 +00:00
GlobalOpt IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
GVN GVN: propagate equalities for floating point compares 2015-01-12 19:29:48 +00:00
IndVarSimplify Fix PR22222 2015-01-15 01:46:09 +00:00
Inline IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
InstCombine For PR21145: recognise a builtin call to a known deallocation function even if 2015-01-15 01:00:33 +00:00
InstMerge Added 5 more tests related to sink store revision 224247 2014-12-17 08:12:59 +00:00
InstSimplify InstSimplify: Optimize away pointless comparisons 2014-12-20 03:04:38 +00:00
Internalize Use "weak alias" instead of "alias weak" 2014-07-30 22:51:54 +00:00
IPConstantProp
JumpThreading ValueTracking: ComputeNumSignBits should tolerate misshapen phi nodes 2015-01-04 07:06:53 +00:00
LCSSA [LCSSA] Handle PHI insertion in disjoint loops 2014-12-22 22:35:46 +00:00
LICM IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
LoadCombine Use AA in LoadCombine 2014-11-03 23:19:16 +00:00
LoopDeletion
LoopIdiom IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
LoopReroll
LoopRotate IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
LoopSimplify FileCheckize. NFC. 2014-09-12 17:55:16 +00:00
LoopStrengthReduce IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
LoopUnroll [PowerPC] Readjust the loop unrolling threshold 2015-01-10 00:31:10 +00:00
LoopUnswitch
LoopVectorize IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
LowerAtomic
LowerExpectIntrinsic IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
LowerInvoke
LowerSwitch
Mem2Reg IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
MemCpyOpt Allow call-slop optzn for destinations with a suitable dereferenceable attribute 2014-10-16 19:43:08 +00:00
MergeFunc IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
MetaRenamer Use "weak alias" instead of "alias weak" 2014-07-30 22:51:54 +00:00
ObjCARC IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
PartiallyInlineLibCalls PartiallyInlineLibCalls: Check sqrt result type before transforming it. 2014-08-01 23:21:21 +00:00
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: 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 SCCP: overdefined calls cannot become constant 2014-11-07 08:54:19 +00:00
SeparateConstOffsetFromGEP/NVPTX [SeparateConstOffsetFromGEP] Fixed a bug related to unsigned modulo 2014-10-25 18:34:03 +00:00
SimplifyCFG IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
Sink
SLPVectorizer IR: Move MDLocation into place 2015-01-14 22:27:36 +00:00
SROA [SROA] Apply a somewhat heavy and unpleasant hammer to fix PR22093, an 2015-01-05 04:17:53 +00:00
StripSymbols IR: Move MDLocation into place 2015-01-14 22:27:36 +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