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Sanjay Patel 7cfe41659c [InstCombine] (X != C1 && X != C2) --> (X | (C1 ^ C2)) != C2 
...when C1 differs from C2 by one bit and C1 <u C2:
http://rise4fun.com/Alive/Vuo

And move related folds to a helper function. This reduces code duplication and
will make it easier to remove the scalar-only restriction as a follow-up step.

llvm-svn: 300364
2017-04-14 19:23:50 +00:00
..
ARM
Enable simplify libcalls for ARM PCS
2016-09-13 12:10:14 +00:00
2003-05-26-CastMiscompile.ll
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2003-05-27-ConstExprCrash.ll
…
2003-06-05-BranchInvertInfLoop.ll
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2003-07-21-ExternalConstant.ll
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2003-08-12-AllocaNonNull.ll
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2003-09-09-VolatileLoadElim.ll
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2003-10-29-CallSiteResolve.ll
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2003-11-03-VarargsCallBug.ll
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2004-01-13-InstCombineInvokePHI.ll
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2004-02-23-ShiftShiftOverflow.ll
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2004-03-13-InstCombineInfLoop.ll
…
2004-04-04-InstCombineReplaceAllUsesWith.ll
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2004-05-07-UnsizedCastLoad.ll
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2004-07-27-ConstantExprMul.ll
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2004-08-09-RemInfLoop.ll
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2004-08-10-BoolSetCC.ll
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2004-09-20-BadLoadCombine2.ll
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2004-09-20-BadLoadCombine.ll
…
2004-09-28-BadShiftAndSetCC.ll
…
2004-11-22-Missed-and-fold.ll
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2004-11-27-SetCCForCastLargerAndConstant.ll
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2004-12-08-RemInfiniteLoop.ll
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2005-03-04-ShiftOverflow.ll
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2005-04-07-UDivSelectCrash.ll
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2005-06-15-DivSelectCrash.ll
…
2005-06-15-ShiftSetCCCrash.ll
…
2005-06-16-RangeCrash.ll
…
2005-06-16-SetCCOrSetCCMiscompile.ll
…
2005-07-07-DeadPHILoop.ll
…
2006-02-13-DemandedMiscompile.ll
…
2006-02-28-Crash.ll
…
2006-03-30-ExtractElement.ll
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2006-04-28-ShiftShiftLongLong.ll
…
2006-05-04-DemandedBitCrash.ll
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2006-09-15-CastToBool.ll
…
2006-10-19-SignedToUnsignedCastAndConst-2.ll
…
2006-10-20-mask.ll
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2006-10-26-VectorReassoc.ll
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2006-11-10-ashr-miscompile.ll
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2006-12-01-BadFPVectorXform.ll
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2006-12-05-fp-to-int-ext.ll
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2006-12-08-Phi-ICmp-Op-Fold.ll
…
2006-12-08-Select-ICmp.ll
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2006-12-15-Range-Test.ll
…
2006-12-23-Select-Cmp-Cmp.ll
…
2007-01-13-ExtCompareMiscompile.ll
…
2007-01-14-FcmpSelf.ll
…
2007-01-18-VectorInfLoop.ll
…
2007-02-01-LoadSinkAlloca.ll
…
2007-02-07-PointerCast.ll
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2007-02-23-PhiFoldInfLoop.ll
…
2007-03-13-CompareMerge.ll
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2007-03-19-BadTruncChangePR1261.ll
…
2007-03-21-SignedRangeTest.ll
[InstCombine] allow icmp (div X, Y), C folds for splat constant vectors
2016-08-31 21:57:21 +00:00
2007-03-25-BadShiftMask.ll
update to use FileCheck and auto-generate checks
2016-08-09 19:42:52 +00:00
2007-03-25-DoubleShift.ll
…
2007-03-26-BadShiftMask.ll
…
2007-04-08-SingleEltVectorCrash.ll
…
2007-05-10-icmp-or.ll
…
2007-05-14-Crash.ll
…
2007-05-18-CastFoldBug.ll
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2007-06-06-AshrSignBit.ll
…
2007-06-21-DivCompareMiscomp.ll
…
2007-08-02-InfiniteLoop.ll
…
2007-09-10-AliasConstFold.ll
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2007-09-17-AliasConstFold2.ll
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2007-10-10-EliminateMemCpy.ll
…
2007-10-12-Crash.ll
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2007-10-28-stacksave.ll
…
2007-10-31-RangeCrash.ll
…
2007-10-31-StringCrash.ll
…
2007-11-07-OpaqueAlignCrash.ll
…
2007-11-15-CompareMiscomp.ll
…
2007-11-25-CompatibleAttributes.ll
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2007-12-10-ConstFoldCompare.ll
…
2007-12-12-GEPScale.ll
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2007-12-16-AsmNoUnwind.ll
…
2007-12-18-AddSelCmpSub.ll
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2007-12-28-IcmpSub2.ll
…
2008-01-06-BitCastAttributes.ll
…
2008-01-06-CastCrash.ll
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2008-01-06-VoidCast.ll
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2008-01-13-AndCmpCmp.ll
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2008-01-13-NoBitCastAttributes.ll
…
2008-01-14-VarArgTrampoline.ll
…
2008-01-21-MismatchedCastAndCompare.ll
…
2008-01-21-MulTrunc.ll
…
2008-01-27-FloatSelect.ll
…
2008-02-13-MulURem.ll
…
2008-02-16-SDivOverflow2.ll
…
2008-02-23-MulSub.ll
…
2008-02-28-OrFCmpCrash.ll
…
2008-03-13-IntToPtr.ll
…
2008-04-22-ByValBitcast.ll
…
2008-04-28-VolatileStore.ll
…
2008-04-29-VolatileLoadDontMerge.ll
…
2008-04-29-VolatileLoadMerge.ll
…
2008-05-08-LiveStoreDelete.ll
…
2008-05-08-StrLenSink.ll
…
2008-05-09-SinkOfInvoke.ll
…
2008-05-17-InfLoop.ll
…
2008-05-18-FoldIntToPtr.ll
…
2008-05-22-IDivVector.ll
…
2008-05-22-NegValVector.ll
[InstCombine] Support weird size element types in dyn_castNegVal.
2017-04-11 05:42:47 +00:00
2008-05-23-CompareFold.ll
…
2008-05-31-AddBool.ll
…
2008-05-31-Bools.ll
…
2008-06-05-ashr-crash.ll
…
2008-06-08-ICmpPHI.ll
…
2008-06-13-InfiniteLoopStore.ll
…
2008-06-13-ReadOnlyCallStore.ll
…
2008-06-19-UncondLoad.ll
…
2008-06-21-CompareMiscomp.ll
…
2008-06-24-StackRestore.ll
…
2008-07-08-ShiftOneAndOne.ll
…
2008-07-08-SubAnd.ll
…
2008-07-08-VolatileLoadMerge.ll
…
2008-07-09-SubAndError.ll
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2008-07-10-CastSextBool.ll
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2008-07-10-ICmpBinOp.ll
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2008-07-11-RemAnd.ll
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2008-07-13-DivZero.ll
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2008-07-16-fsub.ll
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2008-08-05-And.ll
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2008-08-17-ICmpXorSignbit.ll
[InstCombine] use m_APInt to allow icmp (xor X, Y), C folds for splat constant vectors
2016-08-18 14:10:48 +00:00
2008-09-02-VectorCrash.ll
…
2008-09-29-FoldingOr.ll
…
2008-10-11-DivCompareFold.ll
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2008-10-23-ConstFoldWithoutMask.ll
…
2008-11-01-SRemDemandedBits.ll
…
2008-11-08-FCmp.ll
…
2008-11-27-IDivVector.ll
…
2008-11-27-MultiplyIntVec.ll
…
2008-11-27-UDivNegative.ll
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2008-12-17-SRemNegConstVec.ll
…
2009-01-05-i128-crash.ll
…
2009-01-08-AlignAlloca.ll
…
2009-01-16-PointerAddrSpace.ll
…
2009-01-19-fmod-constant-float-specials.ll
…
2009-01-19-fmod-constant-float.ll
…
2009-01-24-EmptyStruct.ll
…
2009-01-31-InfIterate.ll
…
2009-01-31-Pressure.ll
…
2009-02-04-FPBitcast.ll
…
2009-02-11-NotInitialized.ll
…
2009-02-20-InstCombine-SROA.ll
…
2009-02-21-LoadCST.ll
…
2009-02-25-CrashZeroSizeArray.ll
…
2009-03-18-vector-ashr-crash.ll
…
2009-03-24-InfLoop.ll
…
2009-04-07-MulPromoteToI96.ll
…
2009-05-23-FCmpToICmp.ll
…
2009-06-11-StoreAddrSpace.ll
…
2009-06-16-SRemDemandedBits.ll
…
2009-07-02-MaskedIntVector.ll
…
2009-12-17-CmpSelectNull.ll
…
2010-01-28-NegativeSRem.ll
…
2010-03-03-ExtElim.ll
…
2010-05-30-memcpy-Struct.ll
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2010-11-01-lshr-mask.ll
…
2010-11-21-SizeZeroTypeGEP.ll
…
2010-11-23-Distributed.ll
…
2011-02-14-InfLoop.ll
…
2011-03-08-SRemMinusOneBadOpt.ll
…
2011-05-02-VectorBoolean.ll
…
2011-05-13-InBoundsGEP.ll
…
2011-05-28-swapmulsub.ll
Reapply "InstCombine: Reduce trunc (shl x, K) width."
2016-09-13 19:43:57 +00:00
2011-06-13-nsw-alloca.ll
…
2011-09-03-Trampoline.ll
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2011-10-07-AlignPromotion.ll
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2012-3-15-or-xor-constant.ll
…
2012-6-7-vselect-bitcast.ll
…
2012-01-11-OpaqueBitcastCrash.ll
…
2012-02-13-FCmp.ll
…
2012-02-28-ICmp.ll
…
2012-03-10-InstCombine.ll
…
2012-04-23-Neon-Intrinsics.ll
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2012-04-24-vselect.ll
…
2012-04-30-SRem.ll
…
2012-05-28-select-hang.ll
…
2012-06-06-LoadOfPHIs.ll
…
2012-07-25-LoadPart.ll
opt: Rename -default-data-layout flag to -data-layout and make it always override the layout.
2017-02-17 17:36:52 +00:00
2012-07-30-addrsp-bitcast.ll
…
2012-08-28-udiv_ashl.ll
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2012-09-17-ZeroSizedAlloca.ll
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2012-10-25-vector-of-pointers.ll
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2012-12-14-simp-vgep.ll
…
2013-03-05-Combine-BitcastTy-Into-Alloca.ll
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abs_abs.ll
[ValueTracking] fix matchSelectPattern to allow vector splat folds of min/max/abs/nabs
2016-10-27 15:26:10 +00:00
abs-1.ll
…
add2.ll
…
add3.ll
…
add-shrink.ll
…
add-sitofp.ll
[InstCombine] auto-generate better checks; NFC
2017-03-21 14:04:44 +00:00
add.ll
[InstCombine] Support folding of add instructions with vector constants into select operations
2017-04-10 16:40:00 +00:00
addnegneg.ll
…
AddOverFlow.ll
…
addrspacecast.ll
…
adjust-for-minmax.ll
[InstCombine] canonicalize min/max constant to select's false value
2016-11-21 22:04:14 +00:00
alias-recursion.ll
…
align-2d-gep.ll
…
align-addr.ll
…
align-attr.ll
Teach computeKnownBits to look through returned-argument functions
2016-07-11 02:25:14 +00:00
align-external.ll
…
aligned-altivec.ll
…
aligned-qpx.ll
…
all-bits-shift.ll
…
alloca.ll
opt: Rename -default-data-layout flag to -data-layout and make it always override the layout.
2017-02-17 17:36:52 +00:00
allocsize-32.ll
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allocsize.ll
[Analysis] Ignore nobuiltin on allocsize function calls.
2016-12-27 06:32:14 +00:00
amdgcn-demanded-vector-elts.ll
AMDGPU: Fix insertion point when reducing load intrinsics
2017-03-10 05:25:49 +00:00
amdgcn-intrinsics.ll
AMDGPU: Fold rcp/rsq of undef to undef
2017-03-24 19:04:57 +00:00
and2.ll
[InstCombine] add/move tests for and/or-of-icmps equality folds; NFC
2017-04-14 18:19:27 +00:00
and-compare.ll
[InstCombine] use m_APInt to allow icmp (and X, Y), C folds for splat constant vectors
2016-08-28 18:18:00 +00:00
and-fcmp.ll
…
and-not-or.ll
…
and-or-and.ll
…
and-or-icmps.ll
[InstCombine] (X != C1 && X != C2) --> (X | (C1 ^ C2)) != C2
2017-04-14 19:23:50 +00:00
and-or-not.ll
…
and-or.ll
…
and-xor-merge.ll
…
and-xor-or.ll
…
and.ll
[InstCombine] add/move tests for and/or-of-icmps equality folds; NFC
2017-04-14 18:19:27 +00:00
apint-add.ll
[InstCombine] fold add(zext(xor X, C), C) --> sext X when C is INT_MIN in the source type
2016-07-19 22:09:34 +00:00
apint-and1.ll
…
apint-and2.ll
…
apint-and-compare.ll
…
apint-and-or-and.ll
…
apint-and-xor-merge.ll
…
apint-call-cast-target.ll
…
apint-cast-and-cast.ll
…
apint-cast-cast-to-and.ll
…
apint-cast.ll
…
apint-div1.ll
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apint-div2.ll
…
apint-mul1.ll
…
apint-mul2.ll
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apint-not.ll
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apint-or.ll
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apint-rem1.ll
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apint-rem2.ll
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apint-select.ll
[InstCombine] LogicOpc (zext X), C --> zext (LogicOpc X, C) (PR28476)
2016-07-21 00:24:18 +00:00
apint-shift-simplify.ll
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apint-shift.ll
[InstCombine] allow (X * C2) << C1 --> X * (C2 << C1) for vectors
2017-02-09 23:13:04 +00:00
apint-shl-trunc.ll
[InstCombine] use m_APInt to allow icmp (and (sh X, Y), C2), C1 folds for splat constant vectors
2016-09-07 22:33:03 +00:00
apint-sub.ll
[InstCombine] fix operand-complexity-based canonicalization (PR28296)
2017-02-03 21:43:34 +00:00
apint-xor1.ll
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apint-xor2.ll
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assoc-cast-assoc.ll
[InstCombine] LogicOpc (zext X), C --> zext (LogicOpc X, C) (PR28476)
2016-07-21 00:24:18 +00:00
assume2.ll
[InstCombine] regenerate checks; NFC
2017-01-09 19:18:46 +00:00
assume-loop-align.ll
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assume-redundant.ll
Revert @llvm.assume with operator bundles (r289755-r289757)
2016-12-19 08:22:17 +00:00
assume.ll
[ValueTracking] recognize a 'not' of an assumed condition as false
2017-01-17 18:15:49 +00:00
atomic.ll
[PR29121] Don't fold if it would produce atomic vector loads or stores
2016-12-01 20:17:06 +00:00
badmalloc.ll
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binop-cast.ll
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bit-checks.ll
[InstCombine] update to use FileCheck
2016-09-28 19:10:16 +00:00
bit-tracking.ll
…
bitcast-alias-function.ll
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bitcast-bigendian.ll
Update tests for the patch.
2017-04-14 17:47:07 +00:00
bitcast-bitcast.ll
…
bitcast-sext-vector.ll
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bitcast-store.ll
InstCombine: Don't combine loads/stores from swifterror to a new type
2016-09-10 18:14:57 +00:00
bitcast-vec-canon.ll
…
bitcast.ll
Update tests for the patch.
2017-04-14 17:47:07 +00:00
bitcount.ll
…
bitreverse-fold.ll
[Analysis] bitreverse(undef) returns undef
2017-03-19 04:40:42 +00:00
bitreverse-hang.ll
…
bitreverse-known-bits.ll
[ValueTracking] Make sure we keep range metadata information when calculating known bits for calls to bitreverse intrinsic.
2017-03-22 07:22:49 +00:00
bittest.ll
…
blend_x86.ll
[InstCombine] canonicalize vector select with constant vector condition to shuffle
2016-09-16 22:16:18 +00:00
branch.ll
…
broadcast.ll
[InstCombine] Canonicalize insert splat sequences into an insert + shuffle
2016-12-28 00:18:08 +00:00
bswap-fold.ll
[InstCombine] auto-generate better test checks; NFC
2017-02-03 20:19:33 +00:00
bswap-known-bits.ll
…
bswap.ll
…
builtin-object-size-offset.ll
Add address space mangling to lifetime intrinsics
2017-04-10 20:18:21 +00:00
builtin-object-size-ptr.ll
Add address space mangling to lifetime intrinsics
2017-04-10 20:18:21 +00:00
call2.ll
…
call_nonnull_arg.ll
[ValueTracking] use nonnull argument attribute to eliminate null checks
2017-02-12 15:35:34 +00:00
call-cast-target-inalloca.ll
…
call-cast-target.ll
…
call-guard.ll
[InstCombine] Allow InstCombine to merge adjacent guards
2017-02-01 16:34:55 +00:00
call-intrinsics.ll
…
call.ll
Don't remove side effecting instructions due to ConstantFoldInstruction
2016-07-22 04:54:44 +00:00
canonicalize_branch.ll
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cast_ptr.ll
…
cast-call-combine-prof.ll
[InstCombine] Fix !prof metadata preservation for invokes
2017-04-13 20:26:38 +00:00
cast-call-combine.ll
…
cast-callee-deopt-bundles.ll
…
cast-int-fcmp-eq-0.ll
…
cast-mul-select.ll
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cast-set.ll
auto-ggenerate checks
2016-07-16 16:24:06 +00:00
cast.ll
[InstCombine] remove fold of an icmp pattern that should never happen
2016-09-01 14:20:43 +00:00
ceil.ll
…
compare-alloca.ll
Add address space mangling to lifetime intrinsics
2017-04-10 20:18:21 +00:00
compare-signs.ll
[InstCombine] use m_APInt to allow icmp (trunc X, Y), C folds for splat constant vectors
2016-08-18 20:28:54 +00:00
compare-udiv.ll
[InstCombine] use m_APInt to allow icmp (udiv X, Y), C folds for splat constant vectors
2016-08-18 17:55:59 +00:00
compare-unescaped.ll
[InstCombine] fix operand-complexity-based canonicalization (PR28296)
2017-02-03 21:43:34 +00:00
consecutive-fences.ll
[Instcombine] Combine consecutive identical fences
2017-01-31 18:09:05 +00:00
constant-expr-datalayout.ll
…
constant-fold-address-space-pointer.ll
…
constant-fold-alias.ll
…
constant-fold-compare.ll
…
constant-fold-gep.ll
…
constant-fold-hang.ll
…
constant-fold-math.ll
[ConstantFold] Remove test checking that we don't constant-fold sqrt(-2).
2017-01-21 02:02:27 +00:00
convergent.ll
Fix some broken CHECK lines.
2017-01-22 20:28:56 +00:00
copysign.ll
…
cos-1.ll
…
cos-2.ll
…
cos-intrinsic.ll
InstCombine: Fold cos(-x) -> cos(x)
2017-01-04 22:49:03 +00:00
CPP_min_max.ll
…
crash.ll
…
ctpop.ll
…
dce-iterate.ll
…
deadcode.ll
Add address space mangling to lifetime intrinsics
2017-04-10 20:18:21 +00:00
debug-line.ll
…
debuginfo-dce.ll
Salvage debug info from instructions about to be deleted
2017-03-16 21:14:09 +00:00
debuginfo.ll
…
default-alignment.ll
…
demand_shrink_nsw.ll
…
demorgan-zext.ll
[InstCombine] LogicOpc (zext X), C --> zext (LogicOpc X, C) (PR28476)
2016-07-21 00:24:18 +00:00
disable-simplify-libcalls.ll
…
distribute.ll
…
div-shift-crash.ll
…
div-shift.ll
[InstCombine] canonicalize min/max constant to select's false value
2016-11-21 22:04:14 +00:00
div.ll
[InstCombine] allow icmp (div X, Y), C folds for splat constant vectors
2016-08-31 21:57:21 +00:00
double-float-shrink-1.ll
…
double-float-shrink-2.ll
InstCombine: Check source value precision when reducing cast intrinsic
2017-03-20 21:59:24 +00:00
element-atomic-memcpy-to-loads.ll
[InstCombineCalls] Unfold element atomic memcpy instruction
2017-02-08 14:32:04 +00:00
enforce-known-alignment.ll
…
err-rep-cold.ll
…
exact.ll
[InstCombine] use m_APInt to allow ashr folds for vectors with splat constants
2017-01-15 16:38:19 +00:00
exp2-1.ll
…
exp2-2.ll
…
ExtractCast.ll
…
extractvalue.ll
…
fabs-libcall.ll
SimplifyLibCalls: Replace fabs libcalls with intrinsics
2017-01-17 00:10:40 +00:00
fabs.ll
SimplifyLibCalls: Replace fabs libcalls with intrinsics
2017-01-17 00:10:40 +00:00
fast-math-scalarization.ll
…
fast-math.ll
[InstCombine] Make sure we preserve fast math flags when folding fp instructions into phi nodes
2017-04-10 07:00:10 +00:00
fcmp-select.ll
…
fcmp-special.ll
…
fcmp.ll
[InstCombine] remove duplicate test; NFC
2017-04-09 21:45:52 +00:00
fdiv.ll
InstCombine: fdiv -x, -y -> fdiv x, y
2017-01-10 23:08:54 +00:00
ffs-1.ll
…
float-shrink-compare.ll
Do not translate rint into nearbyint, but truncate it like nearbyint.
2017-03-31 19:58:07 +00:00
fls.ll
[SimplifyLibCalls] Add a test to make sure we lower fls(0) correctly.
2016-12-15 23:48:07 +00:00
fma.ll
InstCombine: Canonicalize fast fmuladd to fmul + fadd
2017-02-16 18:46:24 +00:00
fmul.ll
…
fneg-ext.ll
…
fold-bin-operand.ll
…
fold-calls.ll
…
fold-fops-into-selects.ll
…
fold-phi-load-metadata.ll
Don't passively concatenate MDNodes
2016-08-16 18:48:34 +00:00
fold-phi.ll
…
fold-sqrt-sqrtf.ll
…
fold-vector-select.ll
…
fold-vector-zero.ll
…
fp-ret-bitcast.ll
…
fpcast.ll
…
fpextend_x86.ll
…
fpextend.ll
…
fprintf-1.ll
…
fputs-1.ll
…
fputs-opt-size.ll
Code size optimisation: don't rewrite fputs to fwrite when optimising for size
2016-07-07 13:56:23 +00:00
fsub.ll
…
fwrite-1.ll
…
gc.relocate.ll
…
gep-addrspace.ll
…
gep-sext.ll
…
gep-vector.ll
[ConstantFold] Get the correct vector type when folding a getelementptr.
2016-10-28 00:53:16 +00:00
gepgep.ll
…
gepphigep.ll
…
getelementptr-folding.ll
…
getelementptr.ll
[InstCombine] Correct the check for vector GEPs
2017-03-29 18:23:08 +00:00
hoist_instr.ll
…
icmp-add.ll
[InstCombine] add nsw/nuw X, signbit --> or X, signbit
2017-02-18 22:20:09 +00:00
icmp-div-constant.ll
fix FileCheck variables for test added with r280677
2016-09-05 23:49:32 +00:00
icmp-logical.ll
…
icmp-range.ll
…
icmp-shl-nsw.ll
[InstCombine] icmp Pred (shl nsw X, C1), C0 --> icmp Pred X, C0 >> C1
2017-01-19 16:12:10 +00:00
icmp-shl-nuw.ll
[InstCombine] Fold nuw left-shifts in ugt/ule comparisons.
2016-11-01 19:19:29 +00:00
icmp-shr.ll
[InstCombine] allow icmp (shr/shl) folds for vectors
2016-09-15 21:35:30 +00:00
icmp-vec.ll
[InstCombine] use m_APInt to allow icmp ult X, C folds for splat constant vectors
2016-09-09 21:59:37 +00:00
icmp.ll
[InstCombine] add/move tests for or-of-icmps; NFC
2017-04-13 15:46:39 +00:00
idioms.ll
…
indexed-gep-compares.ll
[InstCombine] Make sure that LHS and RHS have the same type in
2017-01-31 14:04:15 +00:00
inline-intrinsic-assert.ll
…
insert-const-shuf.ll
[InstCombine] Fix for PR29124: reduce insertelements to shufflevector
2016-09-23 09:14:08 +00:00
insert-extract-shuffle.ll
[InstCombine] canonicalize insertelement of scalar constant ahead of insertelement of variable
2017-03-22 17:10:44 +00:00
insert-val-extract-elem.ll
…
IntPtrCast.ll
…
intrinsics.ll
[InstCombine / InstSimplify] add and move tests for lshr transforms; NFC
2017-01-13 22:54:12 +00:00
invariant.ll
Revert "Revert "Invariant start/end intrinsics overloaded for address space""
2016-08-13 23:31:24 +00:00
invoke.ll
…
isascii-1.ll
…
isdigit-1.ll
…
JavaCompare.ll
…
known_align.ll
…
LandingPadClauses.ll
…
lifetime-asan.ll
Add address space mangling to lifetime intrinsics
2017-04-10 20:18:21 +00:00
lifetime.ll
Add address space mangling to lifetime intrinsics
2017-04-10 20:18:21 +00:00
load3.ll
…
load_combine_aa.ll
…
load-bitcast32.ll
…
load-bitcast64.ll
…
load-cmp.ll
opt: Rename -default-data-layout flag to -data-layout and make it always override the layout.
2017-02-17 17:36:52 +00:00
load-combine-metadata-2.ll
…
load-combine-metadata-3.ll
…
load-combine-metadata-4.ll
…
load-combine-metadata.ll
[Verifier] Add verification for TBAA metadata
2016-12-11 20:07:15 +00:00
load-select.ll
…
load.ll
Don't combine stores to a swifterror pointer operand to a different type
2017-01-31 17:53:49 +00:00
loadstore-alignment.ll
Fix known zero bits for addrspacecast.
2016-11-21 15:42:31 +00:00
loadstore-metadata.ll
[Verifier] Add verification for TBAA metadata
2016-12-11 20:07:15 +00:00
log-pow-nofastmath.ll
…
log-pow.ll
Don't remove side effecting instructions due to ConstantFoldInstruction
2016-07-22 04:54:44 +00:00
logical-select.ll
[InstCombine] canonicalize vector select with constant vector condition to shuffle
2016-09-16 22:16:18 +00:00
lshr-phi.ll
…
lshr.ll
[InstCombine] use m_APInt to allow lshr folds for vectors with splat constants
2017-01-13 23:04:10 +00:00
malloc-free-delete.ll
Add address space mangling to lifetime intrinsics
2017-04-10 20:18:21 +00:00
masked_intrinsics.ll
[InstCombine] Masked loads with undef masks can fold to normal loads
2016-07-14 06:58:42 +00:00
max-of-nots.ll
[InstCombine] Do not exercise nested max/min pattern on abs
2017-02-21 14:40:28 +00:00
maxnum.ll
…
mem-gep-zidx.ll
…
mem-par-metadata-memcpy.ll
[InstCombine] Preserve llvm.mem.parallel_loop_access metadata when replacing
2016-09-04 07:49:39 +00:00
memchr.ll
…
memcmp-1.ll
[InstCombine] auto-generate better checks; NFC
2017-04-09 15:44:59 +00:00
memcmp-2.ll
…
memcpy_chk-1.ll
…
memcpy_chk-2.ll
…
memcpy-1.ll
…
memcpy-2.ll
…
memcpy-addrspace.ll
[InstCombine] Fix bug in pointer replacement
2017-02-24 20:27:25 +00:00
memcpy-from-global.ll
Add address space mangling to lifetime intrinsics
2017-04-10 20:18:21 +00:00
memcpy-to-load.ll
Remove sometimes faulty rewrite of memcpy in instcombine.
2017-03-01 06:45:20 +00:00
memcpy.ll
…
memmove_chk-1.ll
…
memmove_chk-2.ll
…
memmove-1.ll
…
memmove-2.ll
…
memmove.ll
…
memset2.ll
…
memset_chk-1.ll
Let llvm.objectsize be conservative with null pointers
2017-03-21 20:08:59 +00:00
memset_chk-2.ll
…
memset-1.ll
…
memset-2.ll
…
memset.ll
…
merge-icmp.ll
…
min-positive.ll
[InstCombine] allow (icmp sgt smin(PosA, B), 0) fold for vectors
2016-09-15 16:23:20 +00:00
minmax-fold.ll
[InstCombine] avoid breaking up bitcasted vector min/max patterns (PR32306)
2017-03-16 20:42:45 +00:00
minmax-fp.ll
[InstCombine] auto-generate checks
2016-10-25 00:41:00 +00:00
minnum.ll
…
misc-2002.ll
…
mul-masked-bits.ll
…
mul.ll
…
multi-size-address-space-pointer.ll
…
multi-use-or.ll
…
narrow-switch.ll
opt: Rename -default-data-layout flag to -data-layout and make it always override the layout.
2017-02-17 17:36:52 +00:00
narrow.ll
[InstCombine] fix operand-complexity-based canonicalization (PR28296)
2017-02-03 21:43:34 +00:00
neon-intrinsics.ll
…
no_cgscc_assert.ll
…
no-negzero.ll
…
non-integral-pointers.ll
[InstCombine] Don't coerce non-integral pointers to integers
2016-08-06 02:58:48 +00:00
nonnull-attribute.ll
…
not.ll
[InstCombine] auto-generate better checks; NFC
2017-04-09 15:44:59 +00:00
nothrow.ll
…
nsw.ll
…
nvvm-intrins.ll
[NVPTX] Upgrade NVVM intrinsics in InstCombineCalls.
2017-01-27 00:58:58 +00:00
obfuscated_splat.ll
…
objsize-64.ll
…
objsize-address-space.ll
…
objsize-noverify.ll
…
objsize.ll
Let llvm.objectsize be conservative with null pointers
2017-03-21 20:08:59 +00:00
odr-linkage.ll
…
onehot_merge.ll
…
opaque.ll
…
or-fcmp.ll
…
or-to-xor.ll
…
or-xor.ll
[InstCombine] use commutative matchers for patterns with commutative operators
2016-12-18 18:49:48 +00:00
or.ll
[InstCombine] add/move tests for and/or-of-icmps equality folds; NFC
2017-04-14 18:19:27 +00:00
osx-names.ll
…
overflow-mul.ll
…
overflow.ll
…
OverlappingInsertvalues.ll
…
phi-load-metadata-2.ll
…
phi-load-metadata-3.ll
…
phi-load-metadata.ll
…
phi-merge-gep.ll
…
phi-preserve-ir-flags.ll
…
phi-select-constant.ll
rename instcombine test file. NFC
2017-03-28 08:34:07 +00:00
phi.ll
…
pow-1.ll
SimplifyLibCalls: Replace fabs libcalls with intrinsics
2017-01-17 00:10:40 +00:00
pow-2.ll
…
pow-3.ll
…
pow-4.ll
[SimplifyLibCalls] Propagate fast math flags while optimizing pow().
2017-01-10 18:02:05 +00:00
pow-exp-nofastmath.ll
…
pow-exp.ll
…
pow-sqrt.ll
[SimplifyLibCalls] pow(x, -0.5) -> 1.0 / sqrt(x).
2017-01-09 21:55:23 +00:00
pr2645-0.ll
…
pr2645-1.ll
…
pr2996.ll
…
pr12251.ll
…
pr12338.ll
…
pr17827.ll
[InstCombine] use m_APInt to allow ashr folds for vectors with splat constants
2017-01-15 16:38:19 +00:00
pr19420.ll
[InstCombine] auto-generate better test checks; NFC
2017-02-03 20:56:38 +00:00
pr20079.ll
…
pr20678.ll
…
pr21199.ll
…
pr21210.ll
…
pr21651.ll
…
pr21891.ll
…
pr23751.ll
…
pr23809.ll
…
pr24354.ll
…
pr24605.ll
…
pr25342.ll
[InstCombine] Resubmit the combine of A->B->A BitCast and fix for pr27996
2016-10-25 20:43:42 +00:00
pr25745.ll
…
pr26992.ll
…
pr26993.ll
…
pr27236.ll
[InstCombine] canonicalize min/max constant to select's false value
2016-11-21 22:04:14 +00:00
pr27332.ll
…
pr27703.ll
[InstCombine] Resubmit the combine of A->B->A BitCast and fix for pr27996
2016-10-25 20:43:42 +00:00
pr27996.ll
[InstCombine] Resubmit the combine of A->B->A BitCast and fix for pr27996
2016-10-25 20:43:42 +00:00
pr28143.ll
…
pr30929.ll
[LibcallsShrinkWrap] This pass doesn't preserve the CFG.
2016-11-08 19:18:20 +00:00
pr31990_wrong_memcpy.ll
Remove sometimes faulty rewrite of memcpy in instcombine.
2017-03-01 06:45:20 +00:00
PR30597.ll
[InstCombine] Transform !range metadata to !nonnull when combining loads
2016-10-11 01:00:45 +00:00
prefetch-load.ll
Change the default attributes for llvm.prefetch to inaccessiblemem_or_argmemonly
2017-03-25 20:20:23 +00:00
preserve-sminmax.ll
…
preserved-analyses.ll
[PM] Fix instcombine's analysis preservation in the new pass manager to
2017-01-14 23:25:22 +00:00
prevent-cmp-merge.ll
…
printf-1.ll
…
printf-2.ll
…
printf-3.ll
…
ptr-int-cast.ll
…
puts-1.ll
…
range-check.ll
…
README.txt
…
readnone-maythrow.ll
[InstCombine] Don't DSE across readnone functions that may throw
2017-01-17 05:45:09 +00:00
rem.ll
[InstCombine] Support weird size element types in dyn_castNegVal.
2017-04-11 05:42:47 +00:00
round.ll
…
sdiv-1.ll
…
sdiv-2.ll
…
select_meta.ll
[InstCombine] canonicalize non-obivous forms of integer min/max
2017-02-21 19:33:53 +00:00
select-2.ll
…
select-bitext.ll
[InstCombine] use m_APInt to allow ashr folds for vectors with splat constants
2017-01-15 16:38:19 +00:00
select-cmp-br.ll
[InstCombine] morph an existing instruction instead of creating a new one
2017-04-12 15:11:33 +00:00
select-cmp-cttz-ctlz.ll
…
select-crash-noverify.ll
…
select-crash.ll
…
select-extractelement.ll
…
select-implied.ll
…
select-load-call.ll
…
select-select.ll
…
select-with-bitwise-ops.ll
[InstCombine] auto-generate checks for select+bitwise logic tests; NFC
2016-11-30 17:07:21 +00:00
select.ll
[InstCombine] fix wrong undef handling when converting select to shuffle
2017-04-12 18:39:53 +00:00
set.ll
…
setcc-strength-reduce.ll
…
sext.ll
[InstCombine] canonicalize min/max constant to select's false value
2016-11-21 22:04:14 +00:00
shift-add.ll
[InstCombine] Folding of shifts by the sum of positive values
2016-11-01 15:40:30 +00:00
shift-shift.ll
…
shift-sra.ll
[InstCombine] use m_APInt to allow ashr folds for vectors with splat constants
2017-01-21 17:59:59 +00:00
shift.ll
[InstCombine] enable (X <<nsw C1) >>s C2 --> X <<nsw (C1 - C2) for vectors with splat constants
2017-01-30 23:35:52 +00:00
shufflemask-undef.ll
…
shufflevec-bitcast.ll
InstCombine: fix extraction when performing vector/array punning
2017-02-17 07:36:03 +00:00
shufflevec-constant.ll
…
sign-test-and-or.ll
minimize tests and auto-generate checks
2016-07-20 17:58:20 +00:00
signed-comparison.ll
…
signext.ll
[InstCombine] use m_APInt to allow ashr folds for vectors with splat constants
2017-01-15 16:38:19 +00:00
simplify-demanded-bits-pointer.ll
…
simplify-libcalls.ll
[TLI] isdigit / isascii / toascii param type should match return type (PR30484)
2016-09-23 18:44:09 +00:00
sincospi.ll
…
sink_instruction.ll
[InstCombine] Allow sinking from unique predecessor with multiple edges
2016-08-22 18:21:56 +00:00
sink-into-catchswitch.ll
…
sink-zext.ll
[InstCombine] Add a test for r290733
2017-01-04 02:21:37 +00:00
sitofp.ll
[InstCombine] auto-generate better checks; NFC
2017-03-21 14:04:44 +00:00
smax-icmp.ll
[InstCombine] add folds for icmp (smax X, Y), X
2016-12-19 16:28:53 +00:00
smin-icmp.ll
[InstCombine] add folds for icmp (smin X, Y), X
2016-12-15 19:13:37 +00:00
sprintf-1.ll
…
sqrt-nofast.ll
…
sqrt.ll
…
srem1.ll
…
srem-simplify-bug.ll
…
stack-overalign.ll
…
stacksaverestore.ll
…
statepoint.ll
…
store.ll
…
stpcpy_chk-1.ll
Let llvm.objectsize be conservative with null pointers
2017-03-21 20:08:59 +00:00
stpcpy_chk-2.ll
…
stpcpy-1.ll
…
stpcpy-2.ll
…
strcat-1.ll
…
strcat-2.ll
…
strcat-3.ll
…
strchr-1.ll
…
strchr-2.ll
…
strcmp-1.ll
…
strcmp-2.ll
…
strcpy_chk-1.ll
Let llvm.objectsize be conservative with null pointers
2017-03-21 20:08:59 +00:00
strcpy_chk-2.ll
…
strcpy_chk-64.ll
…
strcpy-1.ll
…
strcpy-2.ll
…
strcspn-1.ll
…
strcspn-2.ll
…
strlen-1.ll
…
strlen-2.ll
…
strncat-1.ll
…
strncat-2.ll
…
strncat-3.ll
…
strncmp-1.ll
…
strncmp-2.ll
…
strncpy_chk-1.ll
…
strncpy_chk-2.ll
…
strncpy-1.ll
…
strncpy-2.ll
…
strpbrk-1.ll
…
strpbrk-2.ll
…
strrchr-1.ll
…
strrchr-2.ll
…
strspn-1.ll
…
strstr-1.ll
…
strstr-2.ll
…
strto-1.ll
…
struct-assign-tbaa.ll
…
sub-xor.ll
[InstCombine] add tests to show information-losing add nsw/nuw transforms; NFC
2017-02-08 22:14:11 +00:00
sub.ll
[InstCombine] Support folding a subtract with a constant LHS into a phi node
2017-04-14 19:20:12 +00:00
switch-constant-expr.ll
[InstCombine] Fix constexpr issue in select combining
2016-10-12 10:20:15 +00:00
switch-truncate-crash.ll
…
tan-nofastmath.ll
…
tan.ll
…
tbaa-store-to-load.ll
[Verifier] Add verification for TBAA metadata
2016-12-11 20:07:15 +00:00
toascii-1.ll
…
token.ll
…
trunc.ll
[InstCombine] avoid crashing on shuffle shrinkage when input type is not same as result type
2017-03-08 15:02:23 +00:00
type_pun.ll
Update tests for the patch.
2017-04-14 17:47:07 +00:00
udiv_select_to_select_shift.ll
[InstCombine] update test to use FileCheck; NFC
2016-11-11 23:12:46 +00:00
udiv-simplify.ll
[InstCombine] Teach the udiv folding logic how to handle constant expressions.
2016-09-26 12:07:23 +00:00
udivrem-change-width.ll
…
umax-icmp.ll
[InstCombine] add folds for icmp (umin|umax X, Y), X
2016-12-19 17:32:37 +00:00
umin-icmp.ll
[InstCombine] add folds for icmp (umin|umax X, Y), X
2016-12-19 17:32:37 +00:00
unordered-fcmp-select.ll
…
unpack-fca.ll
[InstCombine] Don't unpack arrays that are too large (part 2).
2016-10-07 21:53:09 +00:00
urem-simplify-bug.ll
[InstSimplify] Optimize away urems in the presence of range metadata
2017-01-06 21:23:51 +00:00
vararg.ll
Add address space mangling to lifetime intrinsics
2017-04-10 20:18:21 +00:00
vec_demanded_elts.ll
[InstCombine] canonicalize insertelement of scalar constant ahead of insertelement of variable
2017-03-22 17:10:44 +00:00
vec_extract_2elts.ll
…
vec_extract_elt.ll
…
vec_extract_var_elt.ll
…
vec_insertelt.ll
…
vec_narrow.ll
…
vec_phi_extract.ll
…
vec_sext.ll
[InstCombine] fix operand-complexity-based canonicalization (PR28296)
2017-02-03 21:43:34 +00:00
vec_shuffle.ll
[InstCombine] regenerate checks; NFC
2016-11-09 22:21:58 +00:00
vector_gep1.ll
…
vector_gep2.ll
…
vector_insertelt_shuffle.ll
[InstCombine] canonicalize insertelement of scalar constant ahead of insertelement of variable
2017-03-22 17:10:44 +00:00
vector-casts.ll
[InstCombine] shrink truncated insertelement into undef vector
2017-03-07 23:27:14 +00:00
vector-mul.ll
…
vector-type.ll
…
vector-urem.ll
[InstSimplify] vector div/rem with any zero element in divisor is undef
2017-03-09 16:20:52 +00:00
volatile_store.ll
…
vsx-unaligned.ll
…
weak-symbols.ll
…
win-math.ll
SimplifyLibCalls: Replace more unary libcalls with intrinsics
2017-01-23 23:55:08 +00:00
x86-avx2.ll
[InstCombine][AVX2] Add DemandedElts support for VPERMD/VPERMPS shuffles
2017-01-18 14:47:49 +00:00
x86-avx512.ll
Update tests for the patch.
2017-04-14 17:47:07 +00:00
x86-crc32-demanded.ll
…
x86-f16c.ll
…
x86-fma.ll
[X86][InstCombine] Add support for scalar FMA intrinsics to SimplifyDemandedVectorElts.
2016-12-11 08:54:52 +00:00
x86-insertps.ll
[InstCombine] Fix for PR29124: reduce insertelements to shufflevector
2016-09-23 09:14:08 +00:00
x86-masked-memops.ll
[InstCombine][X86] Regenerate masked memory op combine tests
2016-09-08 16:32:37 +00:00
x86-movmsk.ll
…
x86-muldq.ll
[InstCombine][X86] Add MULDQ/MULUDQ constant folding support
2017-01-23 15:22:59 +00:00
x86-pack.ll
[AVX-512][InstCombine] Teach InstCombine to optimize 512-bit packss/packus intrinsics like it does 128/256-bit.
2017-02-16 07:35:23 +00:00
x86-pshufb.ll
[InstCombine][SSE] Add DemandedElts support for PSHUFB instructions
2017-01-16 11:30:41 +00:00
x86-sse2.ll
[X86] Remove the scalar intrinsics for fadd/fsub/fdiv/fmul
2016-11-16 05:24:10 +00:00
x86-sse4a.ll
[ConstantFold] Improve the bitcast folding logic for constant vectors.
2016-09-13 14:50:47 +00:00
x86-sse41.ll
…
x86-sse.ll
[X86] Remove the scalar intrinsics for fadd/fsub/fdiv/fmul
2016-11-16 05:24:10 +00:00
x86-vector-shifts.ll
[InstCombine][AVX-512] Teach InstCombineCalls how to handle the intrinsics for variable shift with 16-bit elements.
2016-11-18 06:04:33 +00:00
x86-vperm2.ll
[InstCombine][X86] Regenerate vperm2f128/vperm2i128 combine tests
2016-09-08 16:30:46 +00:00
x86-vpermil.ll
[InstCombine][X86][AVX] Add DemandedElts support for VPERMILPD/VPERMILPS instructions
2017-01-17 11:35:03 +00:00
x86-xop.ll
[X86][InstCombine] Fix SimplifyDemandedVectorElts to handle frcz scalar intrinsics correctly.
2016-12-13 07:45:45 +00:00
xor2.ll
[InstCombine] use m_c_And and m_c_Xor to handle commuted versions of a transform.
2017-04-10 06:53:28 +00:00
xor-undef.ll
…
xor.ll
[InstCombine] Add testcases for (B&A)^A -> ~B & A and (B|A)^A -> B & ~A
2017-04-11 18:50:48 +00:00
zero-point-zero-add.ll
SimplifyLibCalls: Replace fabs libcalls with intrinsics
2017-01-17 00:10:40 +00:00
zeroext-and-reduce.ll
[InstCombine] LogicOpc (zext X), C --> zext (LogicOpc X, C) (PR28476)
2016-07-21 00:24:18 +00:00
zext-bool-add-sub.ll
add more tests for PR30273
2016-09-12 22:28:29 +00:00
zext-fold.ll
…
zext-or-icmp.ll
[ValueTracking] Out of range shifts might be undef
2017-03-14 10:13:17 +00:00
zext-phi.ll
[InstCombine] treat i1 as a special type in shouldChangeType()
2017-02-03 23:13:11 +00:00
zext.ll
[InstCombine] use m_APInt to allow demanded bits analysis on splat constants
2017-02-09 21:43:06 +00:00

README.txt 

This directory contains test cases for the instcombine transformation.  The
dated tests are actual bug tests, whereas the named tests are used to test
for features that the this pass should be capable of performing.
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