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llvm-6502/test/Transforms/InstCombine
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Matthias Braun 2f2dec87fb InstCombine: Combine select sequences into a single select 
Normalize
select(C0, select(C1, a, b), b) -> select((C0 & C1), a, b)
select(C0, a, select(C1, a, b)) -> select((C0 | C1), a, b)

This normal form may enable further combines on the And/Or and shortens
paths for the values. Many targets prefer the other but can go back
easily in CodeGen.

Differential Revision: http://reviews.llvm.org/D7399

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228409 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-06 17:49:36 +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
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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
Use "weak alias" instead of "alias weak"
2014-07-30 22:51:54 +00:00
2007-09-17-AliasConstFold2.ll
Use "weak alias" instead of "alias weak"
2014-07-30 22:51:54 +00:00
2007-10-10-EliminateMemCpy.ll
Delete -std-compile-opts.
2014-10-16 20:00:02 +00:00
2007-10-12-Crash.ll
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2007-10-28-stacksave.ll
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2007-10-31-RangeCrash.ll
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2007-10-31-StringCrash.ll
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2007-11-07-OpaqueAlignCrash.ll
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2007-11-15-CompareMiscomp.ll
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2007-11-22-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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2008-02-23-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
Convert test to FileCheck and use CHECK-LABEL
2014-11-24 23:03:17 +00:00
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
Convert test to FileCheck and use CHECK-LABEL
2014-11-24 23:03:17 +00:00
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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2009-02-11-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
IR: Fold away compares between GV GEPs and GVs
2014-07-04 22:05:26 +00:00
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
[InstCombine] Change LLVM To canonicalize toward the value type being
2014-11-25 10:09:51 +00:00
2011-09-03-Trampoline.ll
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2011-10-07-AlignPromotion.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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2012-3-15-or-xor-constant.ll
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2012-03-10-InstCombine.ll
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2012-04-23-Neon-Intrinsics.ll
AArch64/ARM64: move ARM64 into AArch64's place
2014-05-24 12:50:23 +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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2012-6-7-vselect-bitcast.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
Allow aliases to be unnamed_addr.
2014-06-06 01:20:28 +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_abs.ll
This removes TODO added in http://reviews.llvm.org/D3658
2014-06-12 14:06:00 +00:00
abs-1.ll
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add2.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
add3.ll
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add-shrink.ll
Convert test to FileCheck.
2014-06-02 21:23:54 +00:00
add-sitofp.ll
[InstCombine] mark ADD with nuw if no unsigned overflow
2014-06-17 00:42:07 +00:00
add.ll
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addnegneg.ll
Removed extra whitespace. (Testing commit access). NFC.
2014-12-01 09:27:46 +00:00
AddOverFlow.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
addrspacecast.ll
InstCombine: Canonicalize addrspacecast between different element types
2014-06-06 21:52:55 +00:00
adjust-for-sminmax.ll
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alias-recursion.ll
[ValueTracking] Move GlobalAlias handling to be after the max depth check in computeKnownBits()
2014-12-23 11:33:41 +00:00
align-2d-gep.ll
Make instsimplify's analysis of icmp eq/ne use computeKnownBits to determine whether the icmp is always true or false. Patch by Suyog Sarda!
2014-06-19 03:35:49 +00:00
align-addr.ll
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align-attr.ll
Make use of the align parameter attribute for all pointer arguments
2014-07-22 16:58:55 +00:00
align-external.ll
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alloca.ll
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and2.ll
InstCombine: Turn (x != 0 & x <u C) into the canonical range check form (x-1 <u C-1)
2014-10-12 14:02:34 +00:00
and-compare.ll
Use FileCheck instead of grep. Change by Ankur Garg.
2014-11-27 11:22:49 +00:00
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
Use FileCheck instead of grep. Change by Ankur Garg.
2014-11-27 11:22:49 +00:00
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
InstCombine: Bitcast call arguments from/to pointer/integer type
2015-01-06 08:41:31 +00:00
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
InstCombine: Fix miscompile in X % -Y -> X % Y transform
2014-10-13 22:37:51 +00:00
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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assume2.ll
Add additional patterns for @llvm.assume in ValueTracking
2014-09-07 19:21:07 +00:00
assume-loop-align.ll
Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.)
2014-09-07 18:57:58 +00:00
assume-redundant.ll
[InstCombine] Remove redundant @llvm.assume intrinsics
2014-10-04 21:27:06 +00:00
assume.ll
Canonicalize an assume(load != null) into !nonnull metadata
2014-11-11 23:33:19 +00:00
atomic.ll
[InstCombine] Do an about-face on how LLVM canonicalizes (cast (load
2014-10-18 06:36:22 +00:00
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
[InstCombine] Change LLVM To canonicalize toward the value type being
2014-11-25 10:09:51 +00:00
bitcast-bigendian.ll
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bitcast-sext-vector.ll
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bitcast-store.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +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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blend_x86.ll
Post-commit fixes for r209643
2014-05-27 16:54:33 +00:00
bswap-fold.ll
[InstCombine] Minor optimization for bswap with binary ops
2014-12-04 09:44:01 +00:00
bswap.ll
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call2.ll
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call-cast-target-inalloca.ll
IR: Conservatively verify inalloca arguments
2014-04-30 17:22:00 +00:00
call-cast-target.ll
InstCombine: Don't strip bitcasts off of callsites marked 'thunk'
2015-01-21 22:32:04 +00:00
call-intrinsics.ll
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call.ll
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canonicalize_branch.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
cast_ptr.ll
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cast-call-combine.ll
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cast-int-fcmp-eq-0.ll
Convert fcmp with 0.0 from casted integers to icmp
2015-01-06 15:50:59 +00:00
cast-mul-select.ll
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cast-set.ll
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cast.ll
Add a test case for argument type coercion in an invoke of a vararg function
2014-12-04 19:13:45 +00:00
ceil.ll
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compare-signs.ll
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constant-expr-datalayout.ll
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constant-fold-address-space-pointer.ll
[InstCombine] Do an about-face on how LLVM canonicalizes (cast (load
2014-10-18 06:36:22 +00:00
constant-fold-alias.ll
Move previously dead code to handle computing the known bits of an alias
2014-10-19 09:06:56 +00:00
constant-fold-compare.ll
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constant-fold-gep.ll
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constant-fold-math.ll
Make the sqrt intrinsic return undef for a negative input.
2014-10-01 20:36:33 +00:00
copysign.ll
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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
IR: Move MDLocation into place
2015-01-14 22:27:36 +00:00
debuginfo.ll
IR: Move MDLocation into place
2015-01-14 22:27:36 +00:00
descale-zero.ll
[InstCombine] Do an about-face on how LLVM canonicalizes (cast (load
2014-10-18 06:36:22 +00:00
disable-simplify-libcalls.ll
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distribute.ll
This patch removed duplicate code for matching patterns
2014-06-26 08:57:33 +00:00
div-shift-crash.ll
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div-shift.ll
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div.ll
InstCombine: Propagate exact for (sdiv X, Pow2) -> (udiv X, Pow2)
2014-11-22 20:00:41 +00:00
double-float-shrink-1.ll
Handle sqrt() shrinking in SimplifyLibCalls like any other call
2014-10-23 21:52:45 +00:00
double-float-shrink-2.ll
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enforce-known-alignment.ll
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err-rep-cold.ll
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exact.ll
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exp2-1.ll
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exp2-2.ll
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ExtractCast.ll
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extractvalue.ll
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fabs.ll
Optimize away fabs() calls when input is squared (known positive).
2014-10-14 20:43:11 +00:00
fast-math.ll
InstCombine: fsub nsz 0, X ==> fsub nsz -0.0, X
2014-12-31 22:14:05 +00:00
fcmp-select.ll
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fcmp-special.ll
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fcmp.ll
Fix fcmp + fabs instcombines when using the intrinsic
2015-01-08 20:09:34 +00:00
fdiv.ll
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ffs-1.ll
[InstCombine] mark ADD with nuw if no unsigned overflow
2014-06-17 00:42:07 +00:00
float-shrink-compare.ll
[SimplifyLibCalls] Improve double->float shrinking to consider constants
2014-12-03 21:46:33 +00:00
fmul.ll
Remove unused function attribute params.
2014-10-02 21:12:04 +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
Minimize test case further
2014-11-04 05:17:58 +00:00
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 another infinite loop in InstCombine
2014-12-12 04:34:07 +00:00
fpextend_x86.ll
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fpextend.ll
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fprintf-1.ll
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fputs-1.ll
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fsub.ll
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fwrite-1.ll
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gep-addrspace.ll
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gepgep.ll
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gepphigep.ll
Add support for combining GEPs across PHI nodes
2014-05-29 20:29:47 +00:00
getelementptr.ll
[InstCombine] Change LLVM To canonicalize toward the value type being
2014-11-25 10:09:51 +00:00
hoist_instr.ll
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icmp-logical.ll
InstCombine: Fold away tautological masked compares
2014-11-18 09:31:41 +00:00
icmp-range.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
icmp-shr.ll
InstCombine: Simplify FoldICmpCstShrCst
2014-10-21 19:51:55 +00:00
icmp.ll
InstCombine: Don't take A-B<0 into A<B if A-B has other uses
2015-01-14 19:26:56 +00:00
idioms.ll
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insert-extract-shuffle.ll
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IntPtrCast.ll
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intrinsics.ll
[InstCombine] Teach how to fold a select into a cttz/ctlz with the 'is_zero_undef' flag.
2015-01-27 15:58:14 +00:00
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
Move EH personality type classification to Analysis/LibCallSemantics.h
2015-01-28 01:17:38 +00:00
load3.ll
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load-cmp.ll
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load-select.ll
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load.ll
[PM] Port instcombine to the new pass manager!
2015-01-24 04:19:17 +00:00
loadstore-alignment.ll
Teach computeKnownBits to look through addrspacecast.
2014-07-15 01:55:03 +00:00
loadstore-metadata.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
logical-select.ll
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lshr-phi.ll
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malloc-free-delete.ll
For PR21145: recognise a builtin call to a known deallocation function even if
2015-01-15 01:00:33 +00:00
maxnum.ll
Add minnum / maxnum intrinsics
2014-10-21 23:00:20 +00:00
memcmp-1.ll
InstCombine: Annotate sub with nsw when we prove it's safe
2014-08-19 23:36:30 +00:00
memcmp-2.ll
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memcpy_chk-1.ll
[SimplifyLibCalls] Don't confuse strcpy_chk for stpcpy_chk.
2015-01-27 21:52:16 +00:00
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
InstCombine: Canonicalize addrspacecast between different element types
2014-06-06 21:52:55 +00:00
memcpy-to-load.ll
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memcpy.ll
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memmove_chk-1.ll
[SimplifyLibCalls] Don't confuse strcpy_chk for stpcpy_chk.
2015-01-27 21:52:16 +00:00
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
[SimplifyLibCalls] Don't confuse strcpy_chk for stpcpy_chk.
2015-01-27 21:52:16 +00:00
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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minnum.ll
Fix using wrong intrinsic in test
2015-01-06 23:00:33 +00:00
mul-masked-bits.ll
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mul.ll
InstCombine: match can find ConstantExprs, don't assume we have a Value
2015-01-04 07:36:02 +00:00
multi-size-address-space-pointer.ll
…
multi-use-or.ll
…
narrow-switch.ll
Reapply: [InstCombine] Fix visitSwitchInst to use right operand types for sub cstexpr
2014-12-19 17:12:35 +00:00
narrow.ll
…
neon-intrinsics.ll
…
no_cgscc_assert.ll
CGSCC should not treat intrinsic calls like function calls (PR21403)
2014-11-12 18:25:47 +00:00
no-negzero.ll
…
not-fcmp.ll
Use FileCheck instead of grep. Change by Sonam.
2014-11-27 10:57:24 +00:00
not.ll
Use FileCheck instead of grep. Change by Sonam.
2014-11-27 10:57:24 +00:00
nothrow.ll
…
nsw.ll
…
obfuscated_splat.ll
…
objsize-64.ll
…
objsize-address-space.ll
Use "weak alias" instead of "alias weak"
2014-07-30 22:51:54 +00:00
objsize.ll
Use "weak alias" instead of "alias weak"
2014-07-30 22:51:54 +00:00
odr-linkage.ll
…
onehot_merge.ll
…
or-fcmp.ll
…
or-to-xor.ll
…
or-xor.ll
Removal Of Duplicate Test Cases and Addition Of Missing Check Statements
2014-12-09 10:46:38 +00:00
or.ll
InstCombine: FoldOrOfICmps harder
2014-11-28 19:58:29 +00:00
osx-names.ll
…
overflow-mul.ll
InstCombine: Don't assume that m_ZExt matches an Instruction
2014-11-01 23:46:05 +00:00
overflow.ll
…
OverlappingInsertvalues.ll
[InstCombine] Some cleanup in optimization of redundant insertvalue instructions.
2014-05-08 19:50:24 +00:00
phi-merge-gep.ll
…
phi-select-constexpr.ll
…
phi.ll
…
pow-1.ll
…
pow-2.ll
…
pow-3.ll
…
pr2645-0.ll
…
pr2645-1.ll
…
pr2996.ll
…
pr8547.ll
…
pr12251.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
pr12338.ll
[InstCombine] Re-commit of r218721 (Optimize icmp-select-icmp sequence)
2014-11-21 23:36:44 +00:00
pr17827.ll
…
pr19420.ll
…
pr20059.ll
removed duplicate testcase
2014-07-09 17:49:58 +00:00
pr20079.ll
IR: Fold away compares between GV GEPs and GVs
2014-07-04 22:05:26 +00:00
pr21199.ll
[InstCombine] Re-commit of r218721 (Optimize icmp-select-icmp sequence)
2014-11-21 23:36:44 +00:00
pr21210.ll
[InstCombine] Re-commit of r218721 (Optimize icmp-select-icmp sequence)
2014-11-21 23:36:44 +00:00
pr21651.ll
InstCombine: Don't assume DataLayout is always available
2014-11-24 07:26:20 +00:00
pr21891.ll
ValueTracking: Don't recurse too deeply in computeKnownBitsFromAssume
2014-12-12 23:59:29 +00:00
PR7357.ll
…
preserve-sminmax.ll
…
printf-1.ll
…
printf-2.ll
…
ptr-int-cast.ll
…
puts-1.ll
…
r600-intrinsics.ll
R600/SI: Add intrinsics for various math instructions.
2014-06-19 01:19:19 +00:00
range-check.ll
InstCombine: simplify signed range checks
2014-12-03 10:39:15 +00:00
README.txt
…
rem.ll
Add back commit r210029.
2014-06-02 22:01:04 +00:00
round.ll
…
sdiv-1.ll
…
sdiv-2.ll
…
select-2.ll
…
select-cmp-br.ll
[InstCombine] Re-commit of r218721 (Optimize icmp-select-icmp sequence)
2014-11-21 23:36:44 +00:00
select-cmp-cttz-ctlz.ll
[InstCombine] Teach how to fold a select into a cttz/ctlz with the 'is_zero_undef' flag.
2015-01-27 15:58:14 +00:00
select-crash.ll
…
select-extractelement.ll
…
select-load-call.ll
…
select-select.ll
…
select.ll
InstCombine: Combine select sequences into a single select
2015-02-06 17:49:36 +00:00
set.ll
…
setcc-strength-reduce.ll
…
sext.ll
Add back commit r210029.
2014-06-02 22:01:04 +00:00
shift-sra.ll
…
shift.ll
ConstantFold, InstSimplify: undef >>a x can be either -1 or 0, choose 0
2014-12-10 21:58:15 +00:00
shufflemask-undef.ll
…
shufflevec-constant.ll
…
sign-test-and-or.ll
…
signed-comparison.ll
…
signext.ll
[signext.ll] Removal Of Duplicate Test Cases
2014-12-02 05:29:47 +00:00
simplify-demanded-bits-pointer.ll
…
simplify-libcalls.ll
…
sincospi.ll
…
sink_instruction.ll
…
sitofp.ll
…
sprintf-1.ll
…
sqrt.ll
…
srem1.ll
…
srem-simplify-bug.ll
…
srem.ll
…
stack-overalign.ll
…
stacksaverestore.ll
…
statepoint.ll
Carry facts about nullness and undef across GC relocation
2014-12-29 23:27:30 +00:00
store.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
stpcpy_chk-1.ll
[SimplifyLibCalls] Don't confuse strcpy_chk for stpcpy_chk.
2015-01-27 21:52:16 +00:00
stpcpy_chk-2.ll
…
stpcpy-1.ll
…
stpcpy-2.ll
…
strcat-1.ll
…
strcat-2.ll
…
strcat-3.ll
…
strchr-1.ll
…
strchr-2.ll
…
strcmp-1.ll
InstCombine: Annotate sub with nsw when we prove it's safe
2014-08-19 23:36:30 +00:00
strcmp-2.ll
…
strcpy_chk-1.ll
[SimplifyLibCalls] Don't confuse strcpy_chk for stpcpy_chk.
2015-01-27 21:52:16 +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
Fold strlen(expr ? "str1" : "str2") to x ? len1 : len2. This fires about 330 times in a bootstrap of clang.
2014-05-02 04:11:45 +00:00
strlen-2.ll
…
strncat-1.ll
…
strncat-2.ll
…
strncat-3.ll
…
strncmp-1.ll
InstCombine: Annotate sub with nsw when we prove it's safe
2014-08-19 23:36:30 +00:00
strncmp-2.ll
…
strncpy_chk-1.ll
[SimplifyLibCalls] Don't confuse strcpy_chk for stpcpy_chk.
2015-01-27 21:52:16 +00:00
strncpy_chk-2.ll
…
strncpy-1.ll
…
strncpy-2.ll
…
strpbrk-1.ll
…
strpbrk-2.ll
…
strrchr-1.ll
…
strrchr-2.ll
…
strspn-1.ll
…
strstr-1.ll
…
strstr-2.ll
…
strto-1.ll
…
struct-assign-tbaa.ll
[canonicalize] Teach InstCombine to canonicalize loads which are only
2015-01-22 05:08:12 +00:00
sub-xor.ll
InstCombine: Annotate sub with nsw when we prove it's safe
2014-08-19 23:36:30 +00:00
sub.ll
InstCombine: Combine (X | Y) - X to (~X & Y)
2014-11-03 05:53:55 +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
…
unordered-fcmp-select.ll
Bug 21610: Canonicalize min/max fcmp selects to use ordered comparisons
2014-11-24 23:15:18 +00:00
urem-simplify-bug.ll
…
urem.ll
…
vec_demanded_elts.ll
[InstCombine][X86] Improved folding of calls to Intrinsic::x86_sse4a_insertqi.
2014-12-11 20:44:59 +00:00
vec_extract_2elts.ll
…
vec_extract_elt.ll
…
vec_extract_var_elt.ll
…
vec_insertelt.ll
…
vec_narrow.ll
…
vec_phi_extract.ll
…
vec_sext.ll
…
vec_shuffle.ll
InstCombine: Don't try to reorder shuffles where the mask is a ConstantExpr.
2014-06-24 10:38:10 +00:00
vector_gep1.ll
…
vector_gep2.ll
…
vector-casts.ll
…
vector-mul.ll
…
vector-srem.ll
…
vector-type.ll
…
volatile_store.ll
…
vsx-unaligned.ll
[PowerPC] Add vec_vsx_ld and vec_vsx_st intrinsics
2014-11-12 04:19:40 +00:00
weak-symbols.ll
…
win-math.ll
…
x86-crc32-demanded.ll
…
xor2.ll
[InstCombine] Remove redundant test case.
2014-09-16 08:50:10 +00:00
xor-undef.ll
…
xor.ll
Change the test case file to use FileCheck instead of grep. NFC.
2014-11-25 08:44:56 +00:00
zero-point-zero-add.ll
…
zeroext-and-reduce.ll
…
zext-bool-add-sub.ll
Add back commit r210029.
2014-06-02 22:01:04 +00:00
zext-fold.ll
…
zext-or-icmp.ll
…
zext.ll
…

README.txt 

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