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llvm-6502/test/Transforms/InstCombine
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Serge Pavlov ea0ea63773 Recognize test for overflow in integer multiplication. 
If multiplication involves zero-extended arguments and the result is
compared as in the patterns:

    %mul32 = trunc i64 %mul64 to i32
    %zext = zext i32 %mul32 to i64
    %overflow = icmp ne i64 %mul64, %zext
or
    %overflow = icmp ugt i64 %mul64 , 0xffffffff

then the multiplication may be replaced by call to umul.with.overflow.
This change fixes PR4917 and PR4918.

Differential Revision: http://llvm-reviews.chandlerc.com/D2814


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206137 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-13 18:23:41 +00:00
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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
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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
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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
Reject alias to undefined symbols in the verifier.
2014-03-12 20:15:49 +00:00
2007-09-17-AliasConstFold2.ll
Reject alias to undefined symbols in the verifier.
2014-03-12 20:15:49 +00:00
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-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
Add addrspacecast instruction.
2013-11-15 01:34:59 +00:00
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
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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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2010-05-30-memcpy-Struct.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
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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
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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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2012-04-23-Neon-Intrinsics.ll
ARM64: initial backend import
2014-03-29 10:18:08 +00:00
2012-04-24-vselect.ll
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2012-04-30-SRem.ll
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2012-05-27-Negative-Shift-Crash.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
Add addrspacecast instruction.
2013-11-15 01:34:59 +00:00
2012-08-28-udiv_ashl.ll
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2012-09-17-ZeroSizedAlloca.ll
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2012-09-24-MemcpyFromGlobalCrash.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-1.ll
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add2.ll
InstCombine: Teach most integer add/sub/mul/div combines how to deal with vectors.
2014-01-19 15:24:22 +00:00
add3.ll
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add4.ll
InstCombine: Refactor fmul/fdiv combines to handle vectors.
2014-01-19 13:36:27 +00:00
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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addrspacecast.ll
Fix assert with copy from global through addrspacecast
2013-12-07 02:58:45 +00:00
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
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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-xor-or.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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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-alias-function.ll
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bitcast-bigendian.ll
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bitcast-sext-vector.ll
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bitcast-store.ll
[InstCombine] Don't fold bitcast into store if it would need addrspacecast
2014-03-25 17:21:41 +00:00
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-inalloca.ll
Update optimization passes to handle inalloca arguments
2014-01-28 02:38:36 +00:00
call-cast-target.ll
Don't refuse to transform constexpr(call(arg, ...)) to call(constexpr(arg), ...)) just because the function has multiple return values even if their return types are the same. Patch by Eduard Burtescu!
2014-01-18 22:47:12 +00:00
call-intrinsics.ll
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call.ll
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canonicalize_branch.ll
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cast_ptr.ll
Add addrspacecast instruction.
2013-11-15 01:34:59 +00:00
cast-call-combine.ll
Make sure that value handle users see the transformation of an indirect call to a direct call. This is important for the CallGraph iteration. Patch by Björn Steinbrink!
2014-02-20 23:00:15 +00:00
cast-mul-select.ll
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cast-set.ll
Add CHECK-LABELs
2014-01-22 22:32:58 +00:00
cast.ll
Do more addrspacecast transforms that happen for bitcast.
2014-02-14 00:49:12 +00:00
ceil.ll
Allow constant folding of ceil function whenever feasible
2014-03-24 04:36:06 +00:00
compare-signs.ll
InstCombine: fold (A >> C) == (B >> C) --> (A^B) < (1 << C) for constant Cs.
2013-11-16 16:00:48 +00:00
constant-expr-datalayout.ll
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constant-fold-address-space-pointer.ll
Add addrspacecast instruction.
2013-11-15 01:34:59 +00:00
constant-fold-compare.ll
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constant-fold-gep.ll
Fix another constant folding address space place I missed.
2013-11-04 20:46:52 +00:00
constant-fold-math.ll
ConstantFolding: Also fold the vector overloads of our math intrinsics.
2014-03-05 19:41:48 +00:00
copysign.ll
Allow constant folding of copysign
2014-03-06 05:32:52 +00:00
cos-1.ll
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cos-2.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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debug-line.ll
Debug Info: update testing cases to specify the debug info version number.
2013-11-22 21:49:45 +00:00
debuginfo.ll
Debug Info: update testing cases to specify the debug info version number.
2013-11-22 21:49:45 +00:00
devirt.ll
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disable-simplify-libcalls.ll
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div-shift-crash.ll
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div-shift.ll
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div.ll
InstCombine: Teach most integer add/sub/mul/div combines how to deal with vectors.
2014-01-19 15:24:22 +00:00
double-float-shrink-1.ll
Disable transforms that introduce calls to exp10*() on Linux due to
2013-12-28 02:40:19 +00:00
double-float-shrink-2.ll
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enforce-known-alignment.ll
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err-rep-cold.ll
Add the cold attribute to error-reporting call sites
2013-11-17 02:06:35 +00:00
exact.ll
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exp2-1.ll
SimplifyLibCalls: Push TLI through the exp2->ldexp transform.
2014-02-04 20:27:23 +00:00
exp2-2.ll
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ExtractCast.ll
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extractvalue.ll
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fast-math.ll
InstCombine: Refactor fmul/fdiv combines to handle vectors.
2014-01-19 13:36:27 +00:00
fcmp-select.ll
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fcmp-special.ll
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fcmp.ll
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fdiv.ll
Fix all the remaining lost-fast-math-flags bugs I've been able to find. The most important of these are cases in the generic logic for combining BinaryOperators.
2014-01-20 07:44:53 +00:00
ffs-1.ll
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float-shrink-compare.ll
Enable double to float shrinking optimizations for binary functions like 'fmin/fmax'. Fix radar:15283121
2013-12-16 22:42:40 +00:00
fmul.ll
Fix all the remaining lost-fast-math-flags bugs I've been able to find. The most important of these are cases in the generic logic for combining BinaryOperators.
2014-01-20 07:44:53 +00:00
fneg-ext.ll
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fold-bin-operand.ll
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fold-calls.ll
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fold-fops-into-selects.ll
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fold-phi.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
Fix more instances of dropped fast math flags when optimizing FADD instructions. All found by inspection (aka grep).
2014-01-18 00:48:14 +00:00
fpextend_x86.ll
Rein in overzealous InstCombine of fptrunc(OP(fpextend, fpextend)).
2013-11-28 21:38:05 +00:00
fpextend.ll
Rein in overzealous InstCombine of fptrunc(OP(fpextend, fpextend)).
2013-11-28 21:38:05 +00:00
fprintf-1.ll
Fix broken FileCheck prefix
2014-02-26 19:51:08 +00:00
fputs-1.ll
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fsub.ll
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fwrite-1.ll
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gep-addrspace.ll
Fix PR19270 - type mismatch caused by invalid optimization.
2014-04-03 17:51:58 +00:00
gepgep.ll
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getelementptr.ll
Do more addrspacecast transforms that happen for bitcast.
2014-02-14 00:49:12 +00:00
hoist_instr.ll
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icmp-logical.ll
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icmp.ll
Revert "InstCombine: merge constants in both operands of icmp."
2014-03-28 14:50:57 +00:00
idioms.ll
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insert-extract-shuffle.ll
InstCombine: form shuffles from wider range of insert/extractelements
2014-03-07 10:24:44 +00:00
IntPtrCast.ll
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intrinsics.ll
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invariant.ll
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invoke.ll
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isascii-1.ll
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isdigit-1.ll
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JavaCompare.ll
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known_align.ll
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LandingPadClauses.ll
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load3.ll
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load-addrspace-cast.ll
Fix a bug in InstCombine where we would incorrectly attempt to construct a
2014-03-13 22:51:43 +00:00
load-cmp.ll
Use right address space size in InstCombineCompares
2013-09-30 21:11:01 +00:00
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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memcmp-1.ll
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memcmp-2.ll
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memcpy_chk-1.ll
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memcpy_chk-2.ll
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memcpy-1.ll
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memcpy-2.ll
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memcpy-from-global.ll
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memcpy-to-load.ll
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memcpy.ll
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memmove_chk-1.ll
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memmove_chk-2.ll
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memmove-1.ll
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memmove-2.ll
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memmove.ll
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memset2.ll
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memset_chk-1.ll
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memset_chk-2.ll
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memset-1.ll
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memset-2.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
InstCombine: Teach most integer add/sub/mul/div combines how to deal with vectors.
2014-01-19 15:24:22 +00:00
multi-size-address-space-pointer.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
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obfuscated_splat.ll
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objsize-64.ll
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objsize-address-space.ll
Add addrspacecast instruction.
2013-11-15 01:34:59 +00:00
objsize.ll
Change objectsize intrinsic to accept different address spaces.
2013-10-07 18:06:48 +00:00
odr-linkage.ll
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onehot_merge.ll
InstCombine: Replace a hand-rolled version of isKnownToBeAPowerOfTwo with the real thing.
2014-01-19 16:48:41 +00:00
or-fcmp.ll
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or-to-xor.ll
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or-xor.ll
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or.ll
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osx-names.ll
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overflow-mul.ll
Recognize test for overflow in integer multiplication.
2014-04-13 18:23:41 +00:00
overflow.ll
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phi-merge-gep.ll
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phi-select-constexpr.ll
Don't use isNullValue to evaluate ConstantExpr
2013-12-06 21:48:36 +00:00
phi.ll
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pow-1.ll
Change math intrinsic attributes from readonly to readnone. These
2014-03-06 00:18:15 +00:00
pow-2.ll
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pow-3.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
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pr12338.ll
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pr17827.ll
Conservative fix for PR17827 - don't optimize a shift + and + compare sequence where the shift is logical unless the comparison is unsigned
2013-12-02 18:43:59 +00:00
PR7357.ll
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preserve-sminmax.ll
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printf-1.ll
Fix broken FileCheck prefixes
2014-02-26 22:29:11 +00:00
printf-2.ll
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ptr-int-cast.ll
…
puts-1.ll
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README.txt
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rem.ll
InstCombine: Teach most integer add/sub/mul/div combines how to deal with vectors.
2014-01-19 15:24:22 +00:00
round.ll
Allow constant folding of round function whenever feasible
2014-03-07 04:36:21 +00:00
sdiv-1.ll
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sdiv-2.ll
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select-2.ll
Fix all the remaining lost-fast-math-flags bugs I've been able to find. The most important of these are cases in the generic logic for combining BinaryOperators.
2014-01-20 07:44:53 +00:00
select-crash.ll
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select-extractelement.ll
Scalarize select vector arguments when extracted.
2013-11-04 20:36:06 +00:00
select-load-call.ll
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select-select.ll
Remove a very old instcombine where we would turn sequences of selects into
2014-02-12 23:54:07 +00:00
select.ll
InstCombine: Only foldSelectICmpAndOr for integer types
2013-09-27 20:35:39 +00:00
set.ll
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setcc-strength-reduce.ll
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sext.ll
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shift-sra.ll
…
shift.ll
Fix shift by constants for vector.
2014-04-11 17:57:53 +00:00
shufflemask-undef.ll
…
shufflevec-constant.ll
…
sign-test-and-or.ll
InstCombine: Teach icmp merging about the equivalence of bit tests and UGE/ULT with a power of 2.
2014-02-11 21:09:03 +00:00
signed-comparison.ll
…
signext.ll
…
simplify-demanded-bits-pointer.ll
…
simplify-libcalls.ll
…
sincospi.ll
ARM64: initial backend import
2014-03-29 10:18:08 +00:00
sink_instruction.ll
…
sitofp.ll
…
sprintf-1.ll
Fix broken FileCheck prefixes
2014-02-26 22:29:11 +00:00
sqrt.ll
…
srem1.ll
…
srem-simplify-bug.ll
…
srem.ll
…
stack-overalign.ll
…
stacksaverestore.ll
…
store.ll
TBAA: handle scalar TBAA format and struct-path aware TBAA format.
2013-09-27 18:34:27 +00:00
stpcpy_chk-1.ll
Change objectsize intrinsic to accept different address spaces.
2013-10-07 18:06:48 +00:00
stpcpy_chk-2.ll
…
stpcpy-1.ll
…
stpcpy-2.ll
…
strcat-1.ll
…
strcat-2.ll
…
strcat-3.ll
…
strchr-1.ll
Add strchr(p, 0) -> p + strlen(p) to SimplifyLibCalls
2014-02-04 05:55:16 +00:00
strchr-2.ll
…
strcmp-1.ll
…
strcmp-2.ll
…
strcpy_chk-1.ll
Change objectsize intrinsic to accept different address spaces.
2013-10-07 18:06:48 +00:00
strcpy_chk-2.ll
…
strcpy_chk-64.ll
…
strcpy-1.ll
…
strcpy-2.ll
…
strcspn-1.ll
…
strcspn-2.ll
…
strlen-1.ll
…
strlen-2.ll
…
strncat-1.ll
…
strncat-2.ll
…
strncat-3.ll
…
strncmp-1.ll
…
strncmp-2.ll
…
strncpy_chk-1.ll
…
strncpy_chk-2.ll
…
strncpy-1.ll
…
strncpy-2.ll
…
strpbrk-1.ll
…
strpbrk-2.ll
…
strrchr-1.ll
…
strrchr-2.ll
…
strspn-1.ll
…
strstr-1.ll
…
strstr-2.ll
…
strto-1.ll
…
struct-assign-tbaa.ll
TBAA: handle scalar TBAA format and struct-path aware TBAA format.
2013-09-27 18:34:27 +00:00
sub-xor.ll
…
sub.ll
InstCombine: Teach most integer add/sub/mul/div combines how to deal with vectors.
2014-01-19 15:24:22 +00:00
toascii-1.ll
…
trunc.ll
…
udiv_select_to_select_shift.ll
…
udiv-simplify-bug-0.ll
…
udiv-simplify-bug-1.ll
…
udivrem-change-width.ll
…
urem-simplify-bug.ll
…
urem.ll
…
vec_demanded_elts.ll
…
vec_extract_2elts.ll
…
vec_extract_elt.ll
…
vec_extract_var_elt.ll
InstCombine: Don't try to use aggregate elements of ConstantExprs.
2014-01-24 19:02:37 +00:00
vec_insertelt.ll
…
vec_narrow.ll
…
vec_phi_extract.ll
InstCombine: Teach most integer add/sub/mul/div combines how to deal with vectors.
2014-01-19 15:24:22 +00:00
vec_sext.ll
InstCombine: Modernize a bunch of cast combines.
2014-01-19 20:05:13 +00:00
vec_shuffle.ll
Fix a bug about generating undef operand when optimising shuffle vector and insert element in instruction combine.
2014-01-08 03:06:15 +00:00
vector_gep1.ll
…
vector_gep2.ll
…
vector-casts.ll
…
vector-mul.ll
…
vector-srem.ll
…
vector-type.ll
…
volatile_store.ll
…
weak-symbols.ll
…
win-math.ll
…
x86-crc32-demanded.ll
…
xor2.ll
…
xor-undef.ll
…
xor.ll
…
zero-point-zero-add.ll
…
zeroext-and-reduce.ll
…
zext-bool-add-sub.ll
…
zext-fold.ll
…
zext-or-icmp.ll
…
zext.ll
InstCombine: Modernize a bunch of cast combines.
2014-01-19 20:05:13 +00:00

README.txt 

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