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llvm-6502/test/Transforms/InstCombine
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Lang Hames 87aac6a877 Reverting r155468. Chris and Chandler have convinced me that it's dangerous and 
in poor taste.

Talking through some alternate solutions with Chandler.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155530 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-25 02:16:54 +00:00
..
2002-03-11-InstCombineHang.ll
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2002-05-14-SubFailure.ll
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2002-08-02-CastTest.ll
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2002-12-05-MissedConstProp.ll
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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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2005-06-16-SetCCOrSetCCMiscompile.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
Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
2009-09-11 18:01:28 +00:00
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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2007-01-14-FcmpSelf.ll
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2007-01-18-VectorInfLoop.ll
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2007-01-27-AndICmp.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
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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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2007-11-22-IcmpCrash.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
Revert "Disable InstCombine unsafe folding bitcasts of calls w/ varargs."
2012-02-03 00:00:50 +00:00
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
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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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2008-01-29-AddICmp.ll
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2008-02-13-MulURem.ll
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2008-02-16-SDivOverflow2.ll
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2008-02-16-SDivOverflow.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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2008-05-22-NegValVector.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-AndICmp.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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2008-07-10-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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2008-07-16-sse2_storel_dq.ll
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2008-08-05-And.ll
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2008-08-17-ICmpXorSignbit.ll
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2008-09-02-VectorCrash.ll
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2008-09-29-FoldingOr.ll
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2008-10-11-DivCompareFold.ll
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2008-10-23-ConstFoldWithoutMask.ll
Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
2009-09-11 18:01:28 +00:00
2008-11-01-SRemDemandedBits.ll
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2008-11-08-FCmp.ll
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2008-11-20-DivMulRem.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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2009-02-20-InstCombine-SROA.ll
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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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2009-03-20-AShrOverShift.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
Fix PR6165. The bug was that LHSKnownZero was being and'd with DemandedMask
2010-01-28 17:22:42 +00:00
2010-03-03-ExtElim.ll
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2010-11-01-lshr-mask.ll
Reapply r155136 after fixing PR12599.
2012-04-23 17:39:52 +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
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2011-06-13-nsw-alloca.ll
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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
In InstCombiner::visitOr, make sure we reverse the operand swap used for checking for or-of-xor operations after those checks; a later check expects that any constant will be in Op1. PR12234.
2012-03-16 00:52:42 +00:00
2012-01-11-OpaqueBitcastCrash.ll
Don't try to create a GEP when the pointee type is unsized (such GEPs
2012-01-11 12:20:08 +00:00
2012-02-13-FCmp.ll
Check against umin while converting fcmp into an icmp.
2012-02-13 23:05:18 +00:00
2012-02-28-ICmp.ll
Testcase for r151691.
2012-02-29 01:53:13 +00:00
2012-03-10-InstCombine.ll
Don't try to filecheck bitcode.
2012-03-10 18:07:46 +00:00
2012-04-23-Neon-Intrinsics.ll
Reverting r155468. Chris and Chandler have convinced me that it's dangerous and
2012-04-25 02:16:54 +00:00
2012-04-24-vselect.ll
ConstantFoldSelectInstruction swapped the operands of the select.
2012-04-24 20:18:49 +00:00
add2.ll
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add3.ll
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add-shrink.ll
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add-sitofp.ll
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add.ll
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addnegneg.ll
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adjust-for-sminmax.ll
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align-2d-gep.ll
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align-addr.ll
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align-external.ll
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alloca.ll
Teach InstCombine to nuke a common alloca pattern -- an alloca which has
2012-04-08 14:36:56 +00:00
and2.ll
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and-compare.ll
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and-fcmp.ll
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and-not-or.ll
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and-or-and.ll
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and-or-not.ll
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and-or.ll
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and-xor-merge.ll
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and.ll
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apint-add1.ll
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apint-add2.ll
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apint-and1.ll
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apint-and2.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-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
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apint-mul2.ll
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apint-not.ll
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apint-or1.ll
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apint-or2.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
Reapply r155136 after fixing PR12599.
2012-04-23 17:39:52 +00:00
apint-shl-trunc.ll
Filecheck-ize this test so that it actually tests something reasonable.
2012-03-29 22:01:41 +00:00
apint-sub.ll
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apint-xor1.ll
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apint-xor2.ll
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apint-zext1.ll
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apint-zext2.ll
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ashr-nop.ll
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atomic.ll
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badmalloc.ll
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binop-cast.ll
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bit-checks.ll
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bit-tracking.ll
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bitcast-sext-vector.ll
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bitcast-store.ll
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bitcast-vec-canon.ll
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bitcast-vec-uniform.ll
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bitcast-vector-fold.ll
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bitcast.ll
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bitcount.ll
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bittest.ll
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bswap-fold.ll
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bswap.ll
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call2.ll
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call-cast-target.ll
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call-intrinsics.ll
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call.ll
Revert "Disable InstCombine unsafe folding bitcasts of calls w/ varargs."
2012-02-03 00:00:50 +00:00
canonicalize_branch.ll
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cast_ptr.ll
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cast-mul-select.ll
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cast-set.ll
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cast.ll
Reapply r155136 after fixing PR12599.
2012-04-23 17:39:52 +00:00
compare-signs.ll
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constant-fold-compare.ll
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constant-fold-gep.ll
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CPP_min_max.ll
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crash.ll
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dce-iterate.ll
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deadcode.ll
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debuginfo.ll
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devirt.ll
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div.ll
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enforce-known-alignment.ll
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exact.ll
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ExtractCast.ll
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extractvalue.ll
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fcmp-select.ll
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fcmp-special.ll
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fcmp.ll
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fdiv.ll
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fold-bin-operand.ll
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fold-calls.ll
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fold-sqrt-sqrtf.ll
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fold-vector-select.ll
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fold-vector-zero.ll
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fp-ret-bitcast.ll
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fpcast.ll
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fpextend.ll
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fsub.ll
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gep-addrspace.ll
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gepgep.ll
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getelementptr.ll
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hoist_instr.ll
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icmp.ll
Reinstate the optimization from r151449 with a fix to not turn 'gep %x' into
2012-02-26 02:09:49 +00:00
idioms.ll
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IntPtrCast.ll
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intrinsics.ll
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invariant.ll
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JavaCompare.ll
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known_align.ll
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LandingPadClauses.ll
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lit.local.cfg
Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.
2012-02-16 06:28:33 +00:00
load3.ll
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load-cmp.ll
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load-select.ll
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load.ll
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loadstore-alignment.ll
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logical-select.ll
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lshr-phi.ll
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malloc-free-delete.ll
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memcpy-to-load.ll
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memcpy.ll
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memmove.ll
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memset2.ll
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memset_chk.ll
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memset.ll
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merge-icmp.ll
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mul-masked-bits.ll
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mul.ll
Factor out the multiply analysis code in ComputeMaskedBits and apply it to the
2012-03-18 23:28:48 +00:00
multi-use-or.ll
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narrow.ll
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neon-intrinsics.ll
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no-negzero.ll
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not-fcmp.ll
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not.ll
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nothrow.ll
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nsw.ll
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objsize.ll
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odr-linkage.ll
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or-fcmp.ll
Just because we have determined that an (fcmp | fcmp) is true for A < B,
2011-01-21 19:39:42 +00:00
or-to-xor.ll
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or-xor.ll
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or.ll
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overflow.ll
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phi-merge-gep.ll
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phi.ll
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pr2645-0.ll
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pr2645-1.ll
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pr2996.ll
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pr8547.ll
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pr12251.ll
Always compute all the bits in ComputeMaskedBits.
2012-04-04 12:51:34 +00:00
preserve-sminmax.ll
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ptr-int-cast.ll
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README.txt
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rem.ll
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sdiv-1.ll
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sdiv-2.ll
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sdiv-shift.ll
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select-2.ll
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select-crash.ll
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select-load-call.ll
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select.ll
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set.ll
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setcc-strength-reduce.ll
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sext.ll
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shift-sra.ll
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shift.ll
Reapply r155136 after fixing PR12599.
2012-04-23 17:39:52 +00:00
shufflemask-undef.ll
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shufflevec-constant.ll
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sign-test-and-or.ll
InstCombine: Teach foldLogOpOfMaskedICmpsHelper that sign bit tests are bit tests.
2012-01-09 17:23:27 +00:00
signed-comparison.ll
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signext.ll
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simplify-demanded-bits-pointer.ll
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sink_instruction.ll
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sitofp.ll
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sqrt.ll
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srem1.ll
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srem-simplify-bug.ll
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srem.ll
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stack-overalign.ll
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stacksaverestore.ll
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store.ll
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strcpy_chk-64.ll
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strcpy_chk.ll
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sub-xor.ll
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sub.ll
InstCombine: Make OptimizePointerDifference more aggressive.
2012-02-20 14:34:57 +00:00
trunc.ll
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udiv_select_to_select_shift.ll
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udiv-simplify-bug-0.ll
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udiv-simplify-bug-1.ll
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udivrem-change-width.ll
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urem-simplify-bug.ll
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urem.ll
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vec_demanded_elts.ll
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vec_extract_elt.ll
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vec_insertelt.ll
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vec_narrow.ll
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vec_sext.ll
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vec_shuffle.ll
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vector_gep1.ll
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vector-casts.ll
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vector-srem.ll
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volatile_store.ll
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x86-crc32-demanded.ll
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xor2.ll
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xor-undef.ll
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xor.ll
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zero-point-zero-add.ll
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zeroext-and-reduce.ll
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zext-bool-add-sub.ll
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zext-fold.ll
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zext-or-icmp.ll
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zext.ll
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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.