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llvm/test/Transforms/InstCombine
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Sanjay Patel 92198f3014 [InstCombine] add folds for xor-of-icmp signbit tests (PR36682) 
This is a retry of r328119 which was reverted at r328145 because
it could crash by trying to combine icmps with different operand
types. This version has a check for that and additional tests.

Original commit message:

This is part of solving:
https://bugs.llvm.org/show_bug.cgi?id=36682

There's also a leftover improvement from the long-ago-closed:
https://bugs.llvm.org/show_bug.cgi?id=5438

https://rise4fun.com/Alive/dC1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@328197 91177308-0d34-0410-b5e6-96231b3b80d8
2018-03-22 14:08:16 +00:00
..
AArch64
InstCombine: Move tests that use target intrinsics into subdirectories
2017-05-13 05:39:46 +00:00
AMDGPU
AMDGPU: Add intrinsics llvm.amdgcn.cvt.{pknorm.i16, pknorm.u16, pk.i16, pk.u16}
2018-01-31 20:18:04 +00:00
ARM
InstCombine: Move tests that use target intrinsics into subdirectories
2017-05-13 05:39:46 +00:00
NVPTX
Update three tests I missed in r302979 and r302990
2017-05-18 00:58:06 +00:00
PowerPC
InstCombine: Move tests that use target intrinsics into subdirectories
2017-05-13 05:39:46 +00:00
X86
[ConstantFold] fp_binop undef, undef --> undef
2018-03-08 20:42:49 +00:00
2003-05-26-CastMiscompile.ll
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2003-05-27-ConstExprCrash.ll
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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
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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
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2004-09-28-BadShiftAndSetCC.ll
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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
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2005-06-15-ShiftSetCCCrash.ll
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2005-06-16-RangeCrash.ll
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2005-07-07-DeadPHILoop.ll
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2006-02-13-DemandedMiscompile.ll
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2006-02-28-Crash.ll
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2006-03-30-ExtractElement.ll
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2006-04-28-ShiftShiftLongLong.ll
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2006-05-04-DemandedBitCrash.ll
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2006-09-15-CastToBool.ll
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2006-10-19-SignedToUnsignedCastAndConst-2.ll
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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
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2006-12-08-Select-ICmp.ll
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2006-12-15-Range-Test.ll
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2006-12-23-Select-Cmp-Cmp.ll
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2007-01-13-ExtCompareMiscompile.ll
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2007-01-18-VectorInfLoop.ll
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2007-02-01-LoadSinkAlloca.ll
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2007-02-07-PointerCast.ll
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2007-02-23-PhiFoldInfLoop.ll
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2007-03-13-CompareMerge.ll
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2007-03-19-BadTruncChangePR1261.ll
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2007-03-21-SignedRangeTest.ll
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2007-03-25-BadShiftMask.ll
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2007-03-25-DoubleShift.ll
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2007-03-26-BadShiftMask.ll
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2007-04-08-SingleEltVectorCrash.ll
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2007-05-10-icmp-or.ll
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2007-05-14-Crash.ll
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2007-05-18-CastFoldBug.ll
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2007-06-06-AshrSignBit.ll
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2007-06-21-DivCompareMiscomp.ll
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2007-08-02-InfiniteLoop.ll
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2007-09-10-AliasConstFold.ll
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2007-09-17-AliasConstFold2.ll
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2007-10-10-EliminateMemCpy.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
2007-10-12-Crash.ll
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2007-10-28-stacksave.ll
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2007-10-31-RangeCrash.ll
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2007-10-31-StringCrash.ll
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2007-11-07-OpaqueAlignCrash.ll
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2007-11-15-CompareMiscomp.ll
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2007-11-25-CompatibleAttributes.ll
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2007-12-10-ConstFoldCompare.ll
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2007-12-12-GEPScale.ll
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2007-12-16-AsmNoUnwind.ll
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2007-12-18-AddSelCmpSub.ll
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2007-12-28-IcmpSub2.ll
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2008-01-06-BitCastAttributes.ll
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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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2008-01-14-VarArgTrampoline.ll
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2008-01-21-MismatchedCastAndCompare.ll
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2008-01-21-MulTrunc.ll
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2008-01-27-FloatSelect.ll
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2008-02-13-MulURem.ll
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2008-02-16-SDivOverflow2.ll
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2008-02-23-MulSub.ll
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2008-02-28-OrFCmpCrash.ll
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2008-03-13-IntToPtr.ll
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2008-04-22-ByValBitcast.ll
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2008-04-28-VolatileStore.ll
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2008-04-29-VolatileLoadDontMerge.ll
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2008-04-29-VolatileLoadMerge.ll
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2008-05-08-LiveStoreDelete.ll
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2008-05-08-StrLenSink.ll
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2008-05-09-SinkOfInvoke.ll
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2008-05-17-InfLoop.ll
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2008-05-18-FoldIntToPtr.ll
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2008-05-22-IDivVector.ll
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2008-05-23-CompareFold.ll
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2008-05-31-AddBool.ll
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2008-05-31-Bools.ll
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2008-06-05-ashr-crash.ll
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2008-06-08-ICmpPHI.ll
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2008-06-13-InfiniteLoopStore.ll
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2008-06-13-ReadOnlyCallStore.ll
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2008-06-19-UncondLoad.ll
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2008-06-21-CompareMiscomp.ll
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2008-06-24-StackRestore.ll
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2008-07-08-ShiftOneAndOne.ll
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2008-07-08-SubAnd.ll
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2008-07-08-VolatileLoadMerge.ll
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2008-07-09-SubAndError.ll
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2008-07-10-CastSextBool.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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2008-09-02-VectorCrash.ll
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2008-10-11-DivCompareFold.ll
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2008-10-23-ConstFoldWithoutMask.ll
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2008-11-01-SRemDemandedBits.ll
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2008-11-08-FCmp.ll
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2008-11-27-IDivVector.ll
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2008-11-27-MultiplyIntVec.ll
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2008-11-27-UDivNegative.ll
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2008-12-17-SRemNegConstVec.ll
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2009-01-05-i128-crash.ll
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2009-01-08-AlignAlloca.ll
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2009-01-16-PointerAddrSpace.ll
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2009-01-19-fmod-constant-float-specials.ll
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2009-01-19-fmod-constant-float.ll
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2009-01-24-EmptyStruct.ll
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2009-01-31-InfIterate.ll
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2009-01-31-Pressure.ll
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2009-02-04-FPBitcast.ll
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2009-02-11-NotInitialized.ll
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2009-02-20-InstCombine-SROA.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
2009-02-21-LoadCST.ll
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2009-02-25-CrashZeroSizeArray.ll
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2009-03-18-vector-ashr-crash.ll
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2009-03-24-InfLoop.ll
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2009-04-07-MulPromoteToI96.ll
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2009-05-23-FCmpToICmp.ll
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2009-06-11-StoreAddrSpace.ll
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2009-06-16-SRemDemandedBits.ll
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2009-07-02-MaskedIntVector.ll
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2009-12-17-CmpSelectNull.ll
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2010-01-28-NegativeSRem.ll
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2010-03-03-ExtElim.ll
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2010-05-30-memcpy-Struct.ll
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2010-11-01-lshr-mask.ll
Revert commit rL323951
2018-02-01 13:05:25 +00:00
2010-11-21-SizeZeroTypeGEP.ll
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2010-11-23-Distributed.ll
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2011-02-14-InfLoop.ll
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2011-03-08-SRemMinusOneBadOpt.ll
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2011-05-02-VectorBoolean.ll
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2011-05-13-InBoundsGEP.ll
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2011-05-28-swapmulsub.ll
[InstCombine] auto-generate complete test checks; NFC
2017-11-28 19:07:28 +00:00
2011-06-13-nsw-alloca.ll
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2011-09-03-Trampoline.ll
[InstCombine] Add debug location to new caller.
2017-12-20 17:16:59 +00:00
2011-10-07-AlignPromotion.ll
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2012-3-15-or-xor-constant.ll
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2012-6-7-vselect-bitcast.ll
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2012-01-11-OpaqueBitcastCrash.ll
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2012-02-13-FCmp.ll
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2012-02-28-ICmp.ll
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2012-03-10-InstCombine.ll
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2012-04-24-vselect.ll
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2012-04-30-SRem.ll
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2012-05-28-select-hang.ll
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2012-06-06-LoadOfPHIs.ll
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2012-07-25-LoadPart.ll
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2012-07-30-addrsp-bitcast.ll
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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
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2013-03-05-Combine-BitcastTy-Into-Alloca.ll
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abs_abs.ll
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abs-1.ll
[InstCombine] canonicalize shifty abs(): ashr+add+xor --> cmp+neg+sel
2017-12-16 16:41:17 +00:00
add2.ll
[InstCombine] move code to remove repeated constant check; NFCI
2017-10-13 20:29:11 +00:00
add3.ll
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add-shrink.ll
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add-sitofp.ll
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add.ll
[InstCombine] move code to remove repeated constant check; NFCI
2017-10-13 20:29:11 +00:00
addnegneg.ll
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AddOverFlow.ll
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addrspacecast.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
adjust-for-minmax.ll
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alias-recursion.ll
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align-2d-gep.ll
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align-addr.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
align-attr.ll
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align-external.ll
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all-bits-shift.ll
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alloca-cast-debuginfo.ll
[InstCombine] Preserve debug values for eliminable casts
2018-01-26 22:02:52 +00:00
alloca.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
allocsize-32.ll
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allocsize.ll
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and2.ll
[InstCombine] move related tests together; NFC
2017-09-12 15:29:28 +00:00
and-compare.ll
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and-fcmp.ll
[InstCombine] move related tests together; NFC
2017-09-12 15:29:28 +00:00
and-narrow.ll
[InstCombine] Allow common type conversions to i8/i16/i32
2018-02-03 16:51:03 +00:00
and-or-and.ll
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and-or-icmps.ll
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and-or-not.ll
[InstCombine] Fold (a | b) ^ (~a | ~b) --> ~(a ^ b) and (a & b) ^ (~a & ~b) --> ~(a ^ b)
2017-07-02 01:15:51 +00:00
and-or.ll
[InstCombine] allow mask hoisting transform for vector types
2017-07-31 21:01:53 +00:00
and-xor-merge.ll
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and-xor-or.ll
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and.ll
[InstCombine] fix demanded-bits propagation for zext/trunc
2018-01-17 14:39:28 +00:00
apint-add.ll
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apint-and-compare.ll
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apint-and-or-and.ll
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apint-and-xor-merge.ll
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apint-and.ll
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apint-call-cast-target.ll
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apint-cast-and-cast.ll
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apint-cast-cast-to-and.ll
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apint-cast.ll
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apint-div1.ll
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apint-div2.ll
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apint-mul1.ll
[InstCombine] Improve mul(x, pow2) -> shl combine for vector constants
2018-02-08 14:10:01 +00:00
apint-mul2.ll
[InstCombine] Improve mul(x, pow2) -> shl combine for vector constants
2018-02-08 14:10:01 +00:00
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
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apint-shift-simplify.ll
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apint-shift.ll
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apint-shl-trunc.ll
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apint-sub.ll
[InstCombine] put tests of mul with neg operand(s) together; NFC
2018-02-13 23:02:12 +00:00
apint-xor1.ll
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apint-xor2.ll
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assoc-cast-assoc.ll
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assume2.ll
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assume-loop-align.ll
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assume-redundant.ll
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assume.ll
[InstCombine] weaken assertions for icmp folds (PR35846)
2018-01-09 18:56:03 +00:00
atomic.ll
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badmalloc.ll
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binop-cast.ll
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bit-checks.ll
[InstCombine][InstSimplify] Teach decomposeBitTestICmp to look through truncate instructions
2017-09-01 21:27:34 +00:00
bitcast-alias-function.ll
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bitcast-bigendian.ll
[InstCombine] reverse bitcast + bitwise-logic canonicalization (PR33138)
2017-06-22 15:46:54 +00:00
bitcast-bitcast.ll
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bitcast-sext-vector.ll
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bitcast-store.ll
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bitcast-vec-canon.ll
[InstCombine] auto-generate test checks; NFC
2017-05-23 17:51:22 +00:00
bitcast.ll
[InstCombine] reverse bitcast + bitwise-logic canonicalization (PR33138)
2017-06-22 15:46:54 +00:00
bitcount.ll
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bitreverse-hang.ll
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bitreverse-known-bits.ll
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bittest.ll
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branch.ll
[InstCombine] Fold branches with irrelevant conditions to a constant.
2017-08-23 09:14:37 +00:00
broadcast.ll
[InstCombine] Fold insert sequence if first ins has multiple users.
2017-08-30 10:54:21 +00:00
bswap-fold.ll
Move tests associated with transforms moved in r321467
2017-12-30 03:13:00 +00:00
bswap-known-bits.ll
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bswap.ll
[InstCombine] add test to show missed bswap; NFC
2018-01-10 18:47:21 +00:00
builtin-object-size-offset.ll
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builtin-object-size-ptr.ll
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cabs-array.ll
[SimplifyLibCalls] Inline calls to cabs when it's safe to do so
2017-12-16 01:26:25 +00:00
cabs-discrete.ll
[SimplifyLibCalls] Inline calls to cabs when it's safe to do so
2017-12-16 01:26:25 +00:00
call2.ll
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call_nonnull_arg.ll
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call-cast-attrs.ll
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call-cast-target-inalloca.ll
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call-cast-target.ll
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call-guard.ll
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call-intrinsics.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
call.ll
[InstCombine] Add test to remove VarArg casts (NFC)
2018-01-03 13:35:43 +00:00
canonicalize_branch.ll
[InstCombine] add isCanonicalPredicate() helper function and use it; NFCI
2017-05-17 14:21:19 +00:00
cast_ptr.ll
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cast-call-combine-prof.ll
Fix some misc. -enable-var-scope violations
2017-11-13 01:47:52 +00:00
cast-call-combine.ll
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cast-callee-deopt-bundles.ll
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cast-int-fcmp-eq-0.ll
[InstSimplify] More fcmp cases when comparing against negative constants.
2017-12-01 12:34:16 +00:00
cast-int-icmp-eq-0.ll
[InstCombine] [NFC] Add tests for peeking through FP casts for sign-bit compares (PR36682)
2018-03-12 17:43:02 +00:00
cast-mul-select.ll
[InstCombine] don't try to evaluate instructions with >1 use (revert r324014)
2018-02-05 21:50:32 +00:00
cast-set.ll
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cast-unsigned-icmp-eqcmp-0.ll
[InstCombine] peek through unsigned FP casts for zero-equality compares (PR36682)
2018-03-18 15:53:02 +00:00
cast.ll
[InstCombine] Fix a weakness in canEvaluateZExtd around 'and' instructions
2017-08-21 16:04:11 +00:00
ceil.ll
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clamp-to-minmax.ll
[InstCombine] Canonicalize clamp of float types to minmax in fast mode.
2017-08-04 12:22:17 +00:00
cmp-intrinsic.ll
[InstCombine] move and improve tests for cmp-intrinsic; NFC
2017-07-03 14:07:40 +00:00
compare-3way.ll
[InstCombine] Recognize and simplify three way comparison idioms
2017-06-23 13:41:45 +00:00
compare-alloca.ll
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compare-signs.ll
[InstCombine] add folds for xor-of-icmp signbit tests (PR36682)
2018-03-22 14:08:16 +00:00
compare-udiv.ll
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compare-unescaped.ll
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consecutive-fences.ll
Enhance synchscope representation
2017-07-11 22:23:00 +00:00
constant-expr-datalayout.ll
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constant-fold-address-space-pointer.ll
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constant-fold-alias.ll
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constant-fold-compare.ll
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constant-fold-gep.ll
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constant-fold-iteration.ll
[InstCombine] Prevent InstCombine from triggering an extra iteration if something changed in the initial Worklist creation
2017-05-13 06:56:04 +00:00
constant-fold-libfunc.ll
Add strictfp attribute to prevent unwanted optimizations of libm calls
2017-08-14 21:15:13 +00:00
constant-fold-math.ll
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convergent.ll
Fix some misc. -enable-var-scope violations
2017-11-13 01:47:52 +00:00
copysign.ll
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cos-1.ll
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cos-2.ll
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cos-intrinsic.ll
[PatternMatch] allow vector matches with m_FNeg
2018-02-20 23:29:05 +00:00
CPP_min_max.ll
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crash.ll
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ctpop.ll
Fix some misc. -enable-var-scope violations
2017-11-13 01:47:52 +00:00
dce-iterate.ll
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deadcode.ll
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debug-line.ll
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debuginfo_add.ll
InstCombine: salvage the debug info of DCE'ed add instructions.
2017-11-06 22:49:39 +00:00
debuginfo-dce2.ll
[InstCombine] Salvage debug info during initial DCE
2017-11-15 18:51:12 +00:00
debuginfo-dce.ll
Parse and print DIExpressions inline to ease IR and MIR testing
2017-08-23 20:31:27 +00:00
debuginfo-skip.ll
[InstCombine] Add a flag to disable LowerDbgDeclare
2017-09-13 01:43:25 +00:00
debuginfo-variables.ll
Remove brittle check lines from a test, NFC
2018-02-16 01:21:01 +00:00
debuginfo.ll
[InstCombine] Add a flag to disable LowerDbgDeclare
2017-09-13 01:43:25 +00:00
default-alignment.ll
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demand_shrink_nsw.ll
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demorgan.ll
[InstCombine] fix auto-generated FileCheck-captured variable refs
2017-05-10 14:40:04 +00:00
disable-simplify-libcalls.ll
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distribute.ll
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div-shift-crash.ll
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div-shift.ll
[InstCombine] (X << Y) / X -> 1 << Y
2018-01-21 16:14:51 +00:00
div.ll
[InstCombine] X / (X * Y) -> 1 / Y if the multiplication does not overflow
2018-02-11 17:20:32 +00:00
double-float-shrink-1.ll
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double-float-shrink-2.ll
[InstCombine] Allow fptrunc (fpext X)) to be reduced to a single fpext/ftrunc
2018-03-02 18:16:51 +00:00
early_constfold_changes_IR.ll
[InstCombine] Make sure AddReachableCodeToWorklist sets MadeIRChange
2017-06-19 18:00:27 +00:00
early_dce_clobbers_callgraph.ll
[InstCombine] Make sure AddReachableCodeToWorklist sets MadeIRChange
2017-06-19 18:00:27 +00:00
element-atomic-memcpy-to-loads.ll
[Atomics] Rename and change prototype for atomic memcpy intrinsic
2017-06-16 14:43:59 +00:00
element-atomic-memintrins.ll
Add element-atomic mem intrinsic canary tests for InstCombine.
2017-07-18 01:06:47 +00:00
enforce-known-alignment.ll
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err-rep-cold.ll
Fix some misc. -enable-var-scope violations
2017-11-13 01:47:52 +00:00
exact.ll
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exp2-1.ll
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exp2-2.ll
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ExtractCast.ll
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extractelement.ll
[instsimplify] consistently handle undef and out of bound indices for insertelement and extractelement
2017-12-30 05:54:22 +00:00
extractinsert-tbaa.ll
[InstCombine] Retain TBAA when narrowing memory accesses
2017-06-28 23:36:40 +00:00
extractvalue.ll
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fabs-libcall.ll
[InstCombine] regenerate test checks; NFC
2017-11-16 16:38:42 +00:00
fabs.ll
[InstCombine] canonicalize fcmp+select to fabs
2018-03-19 15:14:30 +00:00
fast-math-scalarization.ll
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fast-math.ll
[InstCombine] move/add tests for fmul distribution; NFC
2018-03-21 21:28:19 +00:00
fcmp-select.ll
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fcmp-special.ll
[ValueTracking, InstCombine] canonicalize fcmp ord/uno with non-NAN ops to null constants
2017-09-05 23:13:13 +00:00
fcmp.ll
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fdiv-cos-sin.ll
[InstCombine] allow sin/cos transforms with 'reassoc'
2018-02-15 15:07:12 +00:00
fdiv-sin-cos.ll
[InstCombine] allow sin/cos transforms with 'reassoc'
2018-02-15 15:07:12 +00:00
fdiv.ll
[InstCombine, InstSimplify] add tests with undef elements in constant FP vectors; NFC
2018-02-26 23:23:02 +00:00
ffs-1.ll
[InstCombine] narrow truncated add/sub/mul with constant
2017-08-04 22:30:34 +00:00
float-shrink-compare.ll
[InstCombine] regenerate test checks; NFC
2017-11-16 16:59:49 +00:00
fls.ll
[InstCombine] narrow truncated add/sub/mul with constant
2017-08-04 22:30:34 +00:00
fma.ll
[InstCombine] Regenerate FMUL/FMA combine tests with update_test_checks.py
2017-12-16 17:18:15 +00:00
fmul-sqrt.ll
[InstCombine] add nnan requirement for sqrt(x) * sqrt(y) -> sqrt(x*y)
2018-03-18 14:32:54 +00:00
fmul.ll
[InstCombine] move/add tests for fmul distribution; NFC
2018-03-21 21:28:19 +00:00
fneg-ext.ll
…
fold-bin-operand.ll
…
fold-calls.ll
…
fold-fops-into-selects.ll
…
fold-phi-load-metadata.ll
…
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
[InstCombine] Add constant vector support to getMinimumFPType for visitFPTrunc.
2018-03-05 18:04:12 +00:00
fprintf-1.ll
…
fputs-1.ll
…
fputs-opt-size.ll
…
fsub.ll
[InstSimplify] fp_binop X, undef --> NaN
2018-03-10 16:51:28 +00:00
fwrite-1.ll
…
gc.relocate.ll
…
gep-addrspace.ll
…
gep-custom-dl.ll
Adding a width of the GEP index to the Data Layout.
2018-02-14 06:58:08 +00:00
gep-sext.ll
…
gep-vector.ll
[ConstantFold] Support vector index when factoring out GEP index into preceding dimensions
2017-12-04 19:56:33 +00:00
gepgep.ll
…
gepphigep.ll
…
getelementptr-folding.ll
…
getelementptr.ll
Fix some misc. -enable-var-scope violations
2017-11-13 01:47:52 +00:00
hoist_instr.ll
…
icmp-add.ll
[InstCombine] Remove a FIXME from a test that was fixed in r314025.
2017-09-22 21:47:20 +00:00
icmp-custom-dl.ll
Adding a width of the GEP index to the Data Layout.
2018-02-14 06:58:08 +00:00
icmp-div-constant.ll
…
icmp-logical.ll
Simplify more cases of logical ops of masked icmps.
2018-03-13 21:13:18 +00:00
icmp-mul-zext.ll
[InstCombine] don't try to evaluate instructions with >1 use (revert r324014)
2018-02-05 21:50:32 +00:00
icmp-range.ll
…
icmp-shl-nsw.ll
…
icmp-shl-nuw.ll
…
icmp-shr-lt-gt.ll
[InstCombine] improve folds for icmp gt/lt (shr X, C1), C2
2017-10-05 21:11:49 +00:00
icmp-shr.ll
revert r314984: revert r314698 - [InstCombine] remove one-use restriction for icmp (shr exact X, C1), C2 --> icmp X, (C2<<C1)
2017-10-15 15:39:15 +00:00
icmp-vec.ll
…
icmp-xor-signbit.ll
[InstCombine] reverse bitcast + bitwise-logic canonicalization (PR33138)
2017-06-22 15:46:54 +00:00
icmp.ll
[InstCombine] add tests for casted sign-bit cmp (PR36682); NFC
2018-03-11 16:45:31 +00:00
idioms.ll
…
indexed-gep-compares.ll
…
inline-intrinsic-assert.ll
…
insert-const-shuf.ll
…
insert-extract-shuffle.ll
[InstCombine] Fix extractelement use before def
2017-06-05 09:18:10 +00:00
insert-val-extract-elem.ll
…
int_sideeffect.ll
Add an @llvm.sideeffect intrinsic
2017-11-08 21:59:51 +00:00
intptr1.ll
Renable r314928
2017-10-10 05:07:54 +00:00
intptr2.ll
Renable r314928
2017-10-10 05:07:54 +00:00
intptr3.ll
Renable r314928
2017-10-10 05:07:54 +00:00
intptr4.ll
Renable r314928
2017-10-10 05:07:54 +00:00
intptr5.ll
Renable r314928
2017-10-10 05:07:54 +00:00
intptr6.ll
Renable r314928
2017-10-10 05:07:54 +00:00
intptr7.ll
Renable r314928
2017-10-10 05:07:54 +00:00
IntPtrCast.ll
…
intrinsics.ll
Move tests associated with transforms moved in r321467
2017-12-30 03:13:00 +00:00
invariant.ll
…
invoke.ll
…
isascii-1.ll
…
isdigit-1.ll
…
JavaCompare.ll
…
known_align.ll
…
LandingPadClauses.ll
…
lifetime-asan.ll
Hardware-assisted AddressSanitizer (llvm part).
2017-12-09 00:21:41 +00:00
lifetime.ll
Merge isKnownNonNull into isKnownNonZero
2017-09-09 18:23:11 +00:00
load3.ll
…
load_combine_aa.ll
…
load-bitcast32.ll
…
load-bitcast64.ll
…
load-bitcast-select.ll
[InstCombine] PR35354: Convert store(bitcast, load bitcast (select (Cond, &V1, &V2)) --> store (, load (select(Cond, load &V1, load &V2)))
2017-12-08 15:32:10 +00:00
load-cmp.ll
…
load-combine-metadata-2.ll
…
load-combine-metadata-3.ll
…
load-combine-metadata-4.ll
…
load-combine-metadata.ll
…
load-select.ll
…
load.ll
…
loadstore-alignment.ll
…
loadstore-metadata.ll
…
log-pow-nofastmath.ll
…
log-pow.ll
…
logical-select.ll
[InstCombine] Support sext in foldLogicCastConstant
2017-08-02 20:25:56 +00:00
lshr-phi.ll
…
lshr.ll
[InstCombine] narrow lshr with constant
2017-08-04 15:42:47 +00:00
malloc-free-delete.ll
Fix broken test from r325630.
2018-02-20 22:30:16 +00:00
masked_intrinsics.ll
…
max-of-nots.ll
[InstCombine] add min/max tests with not ops; NFC
2018-03-08 18:34:23 +00:00
maxnum.ll
…
mem-gep-zidx.ll
…
mem-par-metadata-memcpy.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memchr.ll
SimplifyLibCalls: Optimize wcslen
2017-05-19 22:37:09 +00:00
memcmp-1.ll
…
memcmp-2.ll
…
memcmp-constant-fold.ll
[LibCallSimplifier] try harder to fold memcmp with constant arguments (2nd try)
2017-08-21 19:13:14 +00:00
memcpy_chk-1.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memcpy_chk-2.ll
…
memcpy-1.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memcpy-2.ll
[InstCombine] regenerate test checks; NFC
2017-08-10 15:07:37 +00:00
memcpy-addrspace.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memcpy-from-global.ll
[InstCombine] Simplify MemTransferInst's source and dest alignments separately
2018-02-12 23:06:55 +00:00
memcpy-to-load.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memcpy.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memmove_chk-1.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memmove_chk-2.ll
…
memmove-1.ll
…
memmove-2.ll
…
memmove.ll
[InstCombine] Simplify MemTransferInst's source and dest alignments separately
2018-02-12 23:06:55 +00:00
memset2.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memset_chk-1.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memset_chk-2.ll
…
memset-1.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
memset-2.ll
…
memset.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
merge-icmp.ll
…
min-positive.ll
…
minmax-fold.ll
[ValueTracking] remove overzealous assert
2018-01-08 18:31:13 +00:00
minmax-fp.ll
[ValueTracking] ignore FP signed-zero when detecting a casted-to-integer fmin/fmax pattern
2017-12-26 15:09:19 +00:00
minnum.ll
…
misc-2002.ll
…
mul-masked-bits.ll
…
mul.ll
[InstCombine] put tests of mul with neg operand(s) together; NFC
2018-02-13 23:02:12 +00:00
multi-size-address-space-pointer.ll
…
multi-use-or.ll
…
multiple-uses-load-bitcast-select.ll
[InstCombine] Fix PR35618: Instcombine hangs on single minmax load bitcast.
2017-12-12 20:28:46 +00:00
narrow-switch.ll
…
narrow.ll
…
no_cgscc_assert.ll
…
no-negzero.ll
…
non-integral-pointers.ll
Fix invalid ptrtoint in InstCombine
2017-10-22 20:28:17 +00:00
nonnull-attribute.ll
…
not.ll
[InstCombine] fix icmp with not op and constant to work with splat vector constant
2017-06-02 16:29:41 +00:00
nothrow.ll
…
nsw.ll
…
obfuscated_splat.ll
…
objsize-64.ll
…
objsize-address-space.ll
…
objsize-noverify.ll
…
objsize.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
odr-linkage.ll
…
onehot_merge.ll
[InstCombine] Fold (!iszero(A & K1) & !iszero(A & K2)) -> (A & (K1 | K2)) == (K1 | K2) if K1 and K2 are a 1-bit mask
2017-06-16 05:10:37 +00:00
opaque.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
or-fcmp.ll
[InstCombine] move related tests together; NFC
2017-09-12 15:29:28 +00:00
or-shifted-masks.ll
Inserting several lit tests to reflect current behaviour
2017-12-14 12:00:04 +00:00
or-xor.ll
[InstCombine] add descriptive comments for tests; NFC
2017-07-13 17:24:57 +00:00
or.ll
[InstCombine] move related tests together; NFC
2017-09-12 15:29:28 +00:00
osx-names.ll
…
out-of-bounds-indexes.ll
Reintroduce r320049, r320014 and r319894.
2017-12-13 11:21:18 +00:00
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
Fix some misc. -enable-var-scope violations
2017-11-13 01:47:52 +00:00
phi-timeout.ll
Remove unneeded -debug argument from new test
2018-02-03 17:33:50 +00:00
phi.ll
…
pow-1.ll
[SimplifyLibCalls] propagate FMF when folding pow(x, -1.0) call
2017-12-10 17:25:54 +00:00
pow-2.ll
…
pow-3.ll
…
pow-4.ll
[InstCombine] auto-generate full checks; NFC
2018-03-01 15:13:42 +00:00
pow-exp-nofastmath.ll
…
pow-exp.ll
…
pow-sqrt.ll
[LibCallSimplifier] allow splat vectors for pow(x, 0.5) -> sqrt() transforms
2017-11-19 16:42:27 +00:00
pr2645-0.ll
…
pr2996.ll
…
pr12251.ll
…
pr12338.ll
…
pr17827.ll
[InstCombine] Teach the code that pulls logical operators through constant shifts to handle vector splats too.
2017-08-05 20:00:42 +00:00
pr19420.ll
…
pr20079.ll
…
pr20678.ll
…
pr21199.ll
…
pr21210.ll
…
pr21651.ll
…
pr21891.ll
…
pr23751.ll
…
pr23809.ll
…
pr24354.ll
…
pr24605.ll
…
pr25342.ll
…
pr25745.ll
…
pr26992.ll
…
pr26993.ll
…
pr27236.ll
[InstCombine] Canonicalize clamp of float types to minmax in fast mode.
2017-08-04 12:22:17 +00:00
pr27332.ll
…
pr27703.ll
…
pr27996.ll
…
pr28143.ll
…
pr28725.ll
Reintroduce r320049, r320014 and r319894.
2017-12-13 11:21:18 +00:00
pr30929.ll
…
pr31990_wrong_memcpy.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
pr32686.ll
…
pr33453.ll
[InstCombine] Make FPMathOperator working with ConstantExpression(s).
2017-06-17 00:07:22 +00:00
pr33689_same_bitwidth.ll
Add original reproducer for r307754 / PR33689
2017-07-13 07:38:53 +00:00
pr34349.ll
[InstCombine] Call hasNoSignedWrap instead of hasNoUnsignedWrap to get the NSW flag when handling Add in SimplifyDemandedUseBits.
2017-08-28 18:44:28 +00:00
pr34627.ll
[ConstantFold] Return the correct type when folding a GEP with vector indices.
2017-09-15 20:53:05 +00:00
pr35515.ll
[InstCombine] Fix SimplifyDemandedUseBits SHL handling (PR35515)
2017-12-09 23:42:56 +00:00
pr36362.ll
[InstCombine] Don't fold select(C, Z, binop(select(C, X, Y), W)) -> select(C, Z, binop(Y, W)) if the binop is rem or div.
2018-02-14 18:08:33 +00:00
PR30597.ll
…
prefetch-load.ll
…
preserve-sminmax.ll
…
preserved-analyses.ll
…
prevent-cmp-merge.ll
…
printf-1.ll
Fix some misc. -enable-var-scope violations
2017-11-13 01:47:52 +00:00
printf-2.ll
…
printf-3.ll
…
ptr-int-cast.ll
…
puts-1.ll
…
range-check.ll
…
README.txt
…
readnone-maythrow.ll
…
rem.ll
[InstCombine] fix miscompile of frem with 0.0 operand (PR34870)
2017-12-26 22:12:20 +00:00
rotate.ll
[InstCombine] narrow rotate left/right patterns to eliminate zext/trunc (PR34046)
2017-08-09 18:37:41 +00:00
round.ll
…
sdiv-1.ll
…
sdiv-2.ll
…
select_arithmetic.ll
[InstCombine] auto-generate complete checks; NFC
2018-02-28 16:53:45 +00:00
select_meta.ll
Fix some misc. -enable-var-scope violations
2017-11-13 01:47:52 +00:00
select-2.ll
…
select-bitext-bitwise-ops.ll
Inserting several lit tests to reflect current behaviour
2017-12-14 12:00:04 +00:00
select-bitext.ll
Revert commit rL323951
2018-02-01 13:05:25 +00:00
select-cmp-br.ll
[InstCombine] Fold branches with irrelevant conditions to a constant.
2017-08-23 09:14:37 +00:00
select-cmp-cttz-ctlz.ll
[PatternMatch] Remove 64-bit or less restriction from m_SpecificInt
2017-06-27 15:39:40 +00:00
select-cmpxchg.ll
[InstCombine] Simplify selects that test cmpxchg instructions
2017-10-31 12:34:02 +00:00
select-crash-noverify.ll
…
select-crash.ll
[InstCombine, NewGVN] remove FP undef from tests
2018-03-08 14:57:08 +00:00
select-extractelement.ll
[InstCombine] remove extract-of-select vector transform (2nd try)
2017-09-25 20:30:53 +00:00
select-gep.ll
[InstCombine] Make foldSelectOpOp able to handle two-operand getelementptr
2018-01-19 10:05:15 +00:00
select-implied.ll
[ValueTracking] Fix the identity case (LHS => RHS) when the LHS is false.
2017-07-07 13:55:55 +00:00
select-load-call.ll
…
select-select.ll
…
select-with-bitwise-ops.ll
[InstCombine] Add test cases for folding (select (icmp ne/eq (and X, C1), (bitwiseop Y, C2), Y -> (bitwiseop Y, (shl/shr (and X, C1), C3)) or similar.
2017-09-05 05:26:38 +00:00
select.ll
[PatternMatch] enhance m_One() to ignore undef elements in vectors
2018-02-17 16:00:42 +00:00
set.ll
[InstCombine] Support vector splats in transformZExtICmp
2017-08-29 18:58:13 +00:00
setcc-strength-reduce.ll
…
sext.ll
[InstCombine] fix auto-generated FileCheck-captured variable refs
2017-05-10 14:40:04 +00:00
shift-add.ll
…
shift-shift.ll
…
shift-sra.ll
[InstCombine] sink sext after ashr
2017-08-15 18:25:52 +00:00
shift.ll
[InstCombine] Check for out of range ashr values using APInt before calling getZExtValue
2018-01-09 14:23:46 +00:00
should-change-type.ll
[InstCombine] Allow common type conversions to i8/i16/i32
2018-02-03 16:51:03 +00:00
shufflevec-bitcast.ll
…
shufflevec-constant.ll
…
sign-test-and-or.ll
…
signed-comparison.ll
…
signext.ll
[InstCombine] fix datalayout in test file
2018-01-24 21:36:45 +00:00
simplify-demanded-bits-pointer.ll
…
simplify-libcalls.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
sincospi.ll
…
sink_instruction.ll
…
sink-into-catchswitch.ll
…
sink-zext.ll
…
sitofp.ll
…
smax-icmp.ll
…
smin-icmp.ll
…
sprintf-1.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
sqrt-nofast.ll
…
sqrt.ll
…
srem1.ll
…
srem-simplify-bug.ll
…
stack-overalign.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
stacksaverestore.ll
…
statepoint.ll
…
store-load-unaliased-gep.ll
[PM][InstCombine] fixing omission of AliasAnalysis in new-pass-manager's version of InstCombine
2017-12-14 10:36:31 +00:00
store.ll
[InstComineLoadStoreAlloca] Optimize stores to GEP off null base
2017-12-12 14:12:33 +00:00
stpcpy_chk-1.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +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
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
strcpy_chk-2.ll
…
strcpy_chk-64.ll
Merge isKnownNonNull into isKnownNonZero
2017-09-09 18:23:11 +00:00
strcpy-1.ll
…
strcpy-2.ll
…
strcspn-1.ll
…
strcspn-2.ll
…
strlen-1.ll
Merge isKnownNonNull into isKnownNonZero
2017-09-09 18:23:11 +00:00
strlen-2.ll
…
strncat-1.ll
…
strncat-2.ll
…
strncat-3.ll
…
strncmp-1.ll
…
strncmp-2.ll
…
strncmp-wrong-datalayout.ll
[TargetLibraryInfo] Discard library functions with incorrectly sized integers
2017-12-18 10:31:58 +00:00
strncpy_chk-1.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
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-new.ll
[Transforms] Propagate new-format TBAA tags on simplification of memory-transfer intrinsics
2018-02-19 12:10:20 +00:00
struct-assign-tbaa.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
sub-xor.ll
…
sub.ll
[PatternMatch] define m_Not using m_Xor and cst_pred_ty
2018-03-06 18:19:42 +00:00
switch-constant-expr.ll
…
switch-truncate-crash.ll
…
tan-nofastmath.ll
…
tan.ll
…
tbaa-store-to-load.ll
…
toascii-1.ll
…
token.ll
…
trunc-binop-ext.ll
[InstCombine] include 'sub' in the list of narrow-able binops
2017-11-16 14:40:51 +00:00
trunc.ll
[InstCombine] Consider more cases where SimplifyDemandedUseBits does not convert AShr to LShr.
2017-08-25 11:07:54 +00:00
type_pun.ll
…
udiv_select_to_select_shift.ll
[InstCombine] Add constant vector support for X udiv C, where C >= signbit
2018-02-09 10:43:59 +00:00
udiv-simplify.ll
[ValueTracking] Don't assume shift values are in range
2018-01-01 22:44:59 +00:00
udivrem-change-width.ll
[InstCombine] fix and enhance udiv/urem narrowing
2017-08-24 22:54:01 +00:00
umax-icmp.ll
…
umin-icmp.ll
…
unordered-fcmp-select.ll
…
unpack-fca.ll
…
unsigned_saturated_sub.ll
[InstCombine] add unsigned saturation subtraction canonicalizations
2018-02-05 17:53:29 +00:00
urem-simplify-bug.ll
…
vararg.ll
…
vec_demanded_elts.ll
[InstCombine] remove stale comments for tests; NFC
2018-03-01 16:28:32 +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
[InstCombine] Support ~(c-X) --> X+(-c-1) and ~(X-c) --> (-c-1)-X for splat vectors.
2017-08-06 06:28:41 +00:00
vec_sext.ll
…
vec_shuffle.ll
…
vector_gep1.ll
…
vector_gep2.ll
…
vector_insertelt_shuffle.ll
[instsimplify] consistently handle undef and out of bound indices for insertelement and extractelement
2017-12-30 05:54:22 +00:00
vector-casts.ll
[InstCombine] Remove check for sext of vector icmp from shouldOptimizeCast
2017-08-22 23:40:15 +00:00
vector-mul.ll
[InstCombine] Regenerate vector mul tests.
2018-02-08 17:54:24 +00:00
vector-type.ll
…
vector-udiv.ll
[InstCombine] Add constant vector support for X udiv C, where C >= signbit
2018-02-09 10:43:59 +00:00
vector-urem.ll
[PatternMatch] enhance m_One() to ignore undef elements in vectors
2018-02-17 16:00:42 +00:00
vector-xor.ll
[PatternMatch] define m_Not using m_Xor and cst_pred_ty
2018-03-06 18:19:42 +00:00
volatile_store.ll
…
wcslen-1.ll
TargetLibraryInfo: Stop guessing wchar_t size
2017-09-26 02:36:57 +00:00
wcslen-2.ll
TargetLibraryInfo: Stop guessing wchar_t size
2017-09-26 02:36:57 +00:00
wcslen-3.ll
Merge isKnownNonNull into isKnownNonZero
2017-09-09 18:23:11 +00:00
wcslen-4.ll
TargetLibraryInfo: Stop guessing wchar_t size
2017-09-26 02:36:57 +00:00
weak-symbols.ll
…
win-math.ll
…
xor2.ll
[InstCombine] Cleanup some duplicated one use checks
2017-06-19 16:23:49 +00:00
xor-icmps.ll
[InstCombine] add folds for xor-of-icmp signbit tests (PR36682)
2018-03-22 14:08:16 +00:00
xor-undef.ll
…
xor.ll
[InstCombine] move/add tests for xor-of-icmps (PR36682); NFC
2018-03-21 15:54:48 +00:00
zero-point-zero-add.ll
…
zeroext-and-reduce.ll
…
zext-bool-add-sub.ll
[InstCombine] canonicalize constant-minus-boolean to select-of-constants
2017-12-06 21:22:57 +00:00
zext-fold.ll
…
zext-or-icmp.ll
…
zext-phi.ll
…
zext.ll
…

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.