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llvm-6502/test/Transforms/InstCombine
History
Duncan Sands 448a6d3cc2 Fix PR9579: when simplifying a compare to "true" or "false", and it was 
a vector compare, generate a vector result rather than i1 (and crashing).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130706 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02 18:51:41 +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
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +00:00
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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2006-11-03-Memmove64.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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2007-01-14-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
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +00:00
2007-04-04-BadFoldBitcastIntoMalloc.ll
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2007-04-08-SingleEltVectorCrash.ll
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2007-05-04-Crash.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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2007-09-11-Trampoline.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
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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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2008-01-13-NoBitCastAttributes.ll
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2008-01-14-DoubleNest.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
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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
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2010-03-03-ExtElim.ll
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2010-11-01-lshr-mask.ll
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2010-11-21-SizeZeroTypeGEP.ll
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2010-11-23-Distributed.ll
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2011-02-14-InfLoop.ll
Fix 9216 - Endless loop in InstCombine pass.
2011-02-15 07:13:48 +00:00
2011-02-16-InsertelementHang.ll
PR9218: SimplifyDemandedVectorElts can return a non-null value that is not
2011-02-19 22:42:40 +00:00
2011-03-08-SRemMinusOneBadOpt.ll
PR9346: Prevent SimplifyDemandedBits from incorrectly introducing
2011-03-09 01:28:35 +00:00
2011-05-02-VectorBoolean.ll
Fix PR9579: when simplifying a compare to "true" or "false", and it was
2011-05-02 18:51:41 +00:00
add2.ll
preserve NUW/NSW when transforming add x,x
2011-02-17 02:23:02 +00:00
add3.ll
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add-shrink.ll
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add-sitofp.ll
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add.ll
Also fold (A+B) == A -> B == 0 when the add is commuted.
2011-02-11 21:46:48 +00:00
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
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and2.ll
Make InstCombiner::FoldAndOfICmps create a ConstantRange that's the
2011-03-01 15:05:01 +00:00
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
Fix a ton of comment typos found by codespell. Patch by
2011-04-15 05:18:47 +00:00
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
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apint-shl-trunc.ll
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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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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
Enhance constant folding of bitcast operations on vectors of floats.
2011-02-17 21:22:27 +00:00
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
change instcombine to not turn a call to non-varargs bitcast of
2011-02-24 05:10:56 +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
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +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
Try to not lose variable's debug info during instcombine.
2011-03-17 22:18:16 +00:00
dg.exp
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div.ll
Use SimplifyDemandedBits on div instructions.
2011-04-30 18:16:00 +00:00
enforce-known-alignment.ll
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exact.ll
add PR#
2011-02-13 08:27:31 +00:00
ExtractCast.ll
Instcombile optimization: extractelement(cast) -> cast(extractelement)
2011-03-31 22:57:29 +00:00
extractvalue.ll
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fcmp-select.ll
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fcmp-special.ll
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fcmp.ll
InstCombine: APFloat can't perform arithmetic on PPC double doubles, don't even try.
2011-03-31 21:35:49 +00:00
fdiv.ll
Avoid turning a floating point division with a constant power of two into a denormal multiplication.
2011-03-30 17:02:54 +00:00
fold-bin-operand.ll
FileCheck-ize and update test.
2011-03-18 01:10:31 +00:00
fold-calls.ll
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fold-vector-select.ll
Fix 9173.
2011-02-11 19:37:55 +00:00
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
This testcase passed even without the fix. Added the target info to make the
2011-04-06 11:18:29 +00:00
gepgep.ll
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getelementptr.ll
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hoist_instr.ll
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icmp.ll
Transform: "icmp eq (trunc (lshr(X, cst1)), cst" to "icmp (and X, mask), cst"
2011-04-26 20:18:20 +00:00
idioms.ll
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IntPtrCast.ll
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intrinsics.ll
InstCombine: Turn umul_with_overflow into mul nuw if we can prove that it cannot overflow.
2011-03-10 18:40:14 +00:00
invariant.ll
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JavaCompare.ll
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known_align.ll
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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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malloc2.ll
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malloc3.ll
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malloc-free-delete.ll
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malloc.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
InstCombine: Merge "(trunc x) == C1 & (and x, CA) == C2" into a single and+icmp.
2011-04-28 16:58:40 +00:00
mul-masked-bits.ll
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mul.ll
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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
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +00:00
objsize.ll
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odr-linkage.ll
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or-fcmp.ll
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or-to-xor.ll
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or-xor.ll
InstCombine: Add a bunch of combines of the form x | (y ^ z).
2011-02-20 13:23:43 +00:00
or.ll
Add an instcombine for constructs like a | -(b != c); a select is more
2011-04-14 22:41:27 +00:00
overflow.ll
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phi-merge-gep.ll
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phi.ll
Add test cases for Jay's r129641 and fix a 32-bit-centric testcase in a file with a 64-bit datalayout.
2011-04-16 14:31:50 +00:00
pr2645-0.ll
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pr2645-1.ll
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pr2996.ll
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pr8547.ll
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +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
Teach the transformation that moves binary operators around selects to preserve
2011-03-27 19:51:23 +00:00
set.ll
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setcc-strength-reduce.ll
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sext.ll
InstCombine: Turn icmp + sext into bitwise/integer ops when the input has only one unknown bit.
2011-04-01 20:09:10 +00:00
shift-sra.ll
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shift.ll
InstCombine: turn (C1 << A) << C2) into (C1 << C2) << A)
2011-04-29 08:15:41 +00:00
shufflemask-undef.ll
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shufflevec-constant.ll
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sign-test-and-or.ll
InstCombine: Add a few missing combines for ANDs and ORs of sign bit tests.
2011-03-29 22:06:41 +00:00
signed-comparison.ll
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signext.ll
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +00:00
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
If we don't know how long a string is we can't fold an _chk version to the
2011-03-15 00:25:41 +00:00
strcpy_chk.ll
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sub.ll
Add some transforms of the kind X-Y>X -> 0>Y which are valid when there is no
2011-02-18 16:25:37 +00:00
trunc.ll
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +00:00
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
InstCombine: Turn (zext A) udiv (zext B) into (zext (A udiv B)). Same for urem or constant B.
2011-04-30 18:16:07 +00:00
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-casts.ll
Teach PatternMatch that splat vectors could be floating point as well as
2011-02-15 23:13:23 +00:00
vector-srem.ll
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volatile_store.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
…

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.