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41af60bdc0
llvm-6502/test/Transforms
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David Majnemer 41af60bdc0 [InstCombine] X - 0 is equal to X, not undef 
A refactoring made @llvm.ssub.with.overflow.i32(i32 %X, i32 0) transform
into undef instead of %X.

This fixes PR23624.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237968 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-21 23:04:21 +00:00
..
ADCE
AddDiscriminators IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
AlignmentFromAssumptions
ArgumentPromotion IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
AtomicExpand/ARM
BBVectorize Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
BDCE
BranchFolding
CodeExtractor
CodeGenPrepare [Statepoints] Support for "patchable" statepoints. 2015-05-12 23:52:24 +00:00
ConstantHoisting [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
ConstantMerge
ConstProp [ConstantFolding] Fix wrong folding of intrinsic 'convert.from.fp16'. 2015-05-14 18:01:48 +00:00
CorrelatedValuePropagation CVP: Improve handling of Selects used as incoming PHI values 2015-05-12 22:31:47 +00:00
DeadArgElim IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
DeadStoreElimination IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
EarlyCSE Preserve the order of READ_REGISTER and WRITE_REGISTER 2015-05-18 16:42:10 +00:00
Float2Int Reapply r233175 and r233183: float2int. 2015-03-27 10:36:57 +00:00
FunctionAttrs [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
GCOVProfiling IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
GlobalDCE [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
GlobalOpt IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
GVN Update BasicAliasAnalysis to understand that nothing aliases with undef values. 2015-05-05 18:10:49 +00:00
IndVarSimplify [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
Inline Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
InstCombine [InstCombine] X - 0 is equal to X, not undef 2015-05-21 23:04:21 +00:00
InstMerge
InstSimplify [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
Internalize
IPConstantProp Skip extra LLVM IR assemble/disassemble steps in some tests 2015-04-24 18:06:09 +00:00
IRCE
JumpThreading [JumpThreading] Simplify comparisons when simplifying branches 2015-05-07 00:19:14 +00:00
LCSSA [opaque pointer type] Add textual IR support for explicit type parameter to the invoke instruction 2015-04-24 19:32:54 +00:00
LICM Dereferenceable, dereferenceable_or_null metadata for loads 2015-05-19 20:10:19 +00:00
LoadCombine
LoopDeletion
LoopDistribute [LoopAccesses] Rearrange printed lines in -analyze 2015-05-18 15:36:57 +00:00
LoopIdiom Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
LoopInterchange Add support to interchange loops with reductions. 2015-04-23 04:51:44 +00:00
LoopReroll
LoopRotate IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
LoopSimplify Verifier: Call verifyModule() from llc and opt 2015-03-27 22:04:28 +00:00
LoopStrengthReduce [NoTTI] reject negative scale in addressing mode 2015-05-08 18:07:24 +00:00
LoopUnroll [PPC/LoopUnrollRuntime] Don't avoid high-cost trip count computation on the PPC/A2 2015-05-21 20:30:23 +00:00
LoopUnswitch Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
LoopVectorize NFC - Test case invokes llc on a file rather than redirected from a file. 2015-05-15 15:29:53 +00:00
LowerAtomic
LowerBitSets Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
LowerExpectIntrinsic [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
LowerInvoke Verifier: Call verifyModule() from llc and opt 2015-03-27 22:04:28 +00:00
LowerSwitch Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
Mem2Reg IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
MemCpyOpt [MemCpyOpt] Do move the memset, but look at its dest's dependencies. 2015-05-21 01:43:39 +00:00
MergeFunc MergeFunctions: Two different sized allocas are *not* the same 2015-05-12 21:42:22 +00:00
MetaRenamer
NaryReassociate [NaryReassociate] avoid running forever 2015-05-13 18:12:24 +00:00
ObjCARC IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
PartiallyInlineLibCalls
PhaseOrdering [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
PlaceSafepoints Add a GCStrategy for CoreCLR 2015-05-20 01:07:23 +00:00
PruneEH
Reassociate [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
Reg2Mem
RewriteStatepointsForGC [RewriteStatepointsForGC] For some values (like gep's and bitcasts) it's cheaper to clone them after statepoint than to emit proper relocates for them. This change implements this logic. There is alredy similar optimization in CodeGenPrepare, but doing so during RewriteStatepointsForGC allows to capture more opprtunities such as relocates in loops and longer instruction chains. 2015-05-19 15:59:05 +00:00
SampleProfile Add function entry counts from sample profiles. 2015-05-13 17:04:29 +00:00
Scalarizer IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
ScalarRepl IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
SCCP [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
SeparateConstOffsetFromGEP/NVPTX [ValueTracking] refactor: extract method haveNoCommonBitsSet 2015-05-14 23:53:19 +00:00
SimplifyCFG Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
Sink
SLPVectorizer Let llc and opt override "-target-cpu" and "-target-features" via command line 2015-05-06 23:54:14 +00:00
SpeculativeExecution Add a speculative execution pass 2015-05-15 17:54:48 +00:00
SROA [ConstantFold] Don't fold ppc_fp128 <-> int bitcasts 2015-03-28 16:44:57 +00:00
StraightLineStrengthReduce [SLSR] handle (B | i) * S 2015-05-15 17:07:48 +00:00
StripSymbols IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
StructurizeCFG
TailCallElim
TailDup [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
Util Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00