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David Majnemer 3e3acfca57 Merging r222856: 
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r222856 | majnemer | 2014-11-26 15:00:38 -0800 (Wed, 26 Nov 2014) | 8 lines

Revert "Added inst combine transforms for single bit tests from Chris's note"

This reverts commit r210006, it miscompiled libapr which is used in who
knows how many projects.

A test has been added to ensure that we don't regress again.

I'll work on a rewrite of what the optimization was trying to do later.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_35@225255 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-06 08:51:50 +00:00
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2002-03-11-InstCombineHang.ll
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2002-05-14-SubFailure.ll
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
2002-08-02-CastTest.ll
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2002-12-05-MissedConstProp.ll
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
2003-05-26-CastMiscompile.ll
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2003-05-27-ConstExprCrash.ll
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2003-06-05-BranchInvertInfLoop.ll
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2003-07-21-ExternalConstant.ll
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2003-08-12-AllocaNonNull.ll
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
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
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
2006-10-26-VectorReassoc.ll
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
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
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
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
Change behavior of calling bitcasted alias functions.
2013-07-30 20:45:05 +00:00
2008-01-06-CastCrash.ll
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2008-01-06-VoidCast.ll
Change behavior of calling bitcasted alias functions.
2013-07-30 20:45:05 +00:00
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
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
2008-01-29-AddICmp.ll
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2008-02-13-MulURem.ll
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
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
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
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
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
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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
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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2012-06-06-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
Added instruction combine to transform few more negative values addition to subtraction (Part 3)
2014-06-27 07:47:35 +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
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
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AddOverFlow.ll
[ValueTracking] Extend range metadata to call/invoke
2014-06-19 16:50:16 +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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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
Teach InstCombineLoadCast about address spaces.
2013-09-03 21:05:48 +00:00
align-external.ll
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alloca.ll
InstCombine: don't drop 'inalloca' in PromoteCastOfAllocation (PR19569)
2014-04-28 17:40:03 +00:00
and2.ll
InstCombine: Simplify if(x!=0 && x!=-1).
2013-08-16 00:15:20 +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
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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
Change behavior of calling bitcasted alias functions.
2013-07-30 20:45:05 +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
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
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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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
Allow alias to point to an arbitrary ConstantExpr.
2014-06-03 02:41:57 +00:00
bitcast-bigendian.ll
Fix big-endian handling of integer-to-vector bitcasts in InstCombine
2013-08-12 07:26:09 +00:00
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
InstCombine: Don't allow turning vector-of-pointer loads into vector-of-integer.
2013-09-19 20:59:04 +00:00
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
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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
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
Cleanup handling of constant function casts.
2013-09-17 21:10:14 +00:00
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
Add back commit r210029.
2014-06-02 22:01:04 +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
Canonicalize addrspacecast ConstExpr between different pointer types
2014-06-15 21:40:57 +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
descale-zero.ll
InstCombine: Fix a crash in Descale for multiply-by-zero
2014-07-10 17:13:27 +00:00
devirt.ll
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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
Optimize integral reciprocal (udiv 1, x and sdiv 1, x) to not use division. This fires exactly once in a clang bootstrap, but covers a few different results from http://www.cs.utah.edu/~regehr/souper/
2014-05-14 03:03:05 +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
Add enforce known alignment test with address space
2013-08-21 18:54:53 +00:00
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
[InstCombine] mark ADD with nuw if no unsigned overflow
2014-06-17 00:42:07 +00:00
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
Preserve fast-math flags when folding (fsub x, (fneg y)) to (fadd x, y).
2013-07-30 23:53:17 +00:00
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
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
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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gepphigep.ll
Add support for combining GEPs across PHI nodes
2014-05-29 20:29:47 +00:00
getelementptr.ll
InstCombine: Canonicalize addrspacecast between different element types
2014-06-06 21:52:55 +00:00
hoist_instr.ll
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icmp-logical.ll
InstCombine: allow unmasked icmps to be combined with logical ops
2013-09-04 11:57:17 +00:00
icmp.ll
Look through addrspacecasts when turning ptr comparisons into
2014-06-09 19:20:29 +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
InstCombine: Strength reduce sadd.with.overflow into a regular nsw add if we can prove that it cannot overflow.
2014-07-04 10:22:21 +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
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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
Convert test to FileCheck.
2014-07-15 00:07:27 +00:00
loadstore-alignment.ll
Teach computeKnownBits to look through addrspacecast.
2014-07-15 01:55:03 +00:00
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
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
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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
…
memset_chk-2.ll
…
memset-1.ll
…
memset-2.ll
…
memset.ll
…
merge-icmp.ll
…
mul-masked-bits.ll
…
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
Teach InstCombine about address spaces
2013-08-21 19:53:10 +00:00
multi-use-or.ll
…
narrow.ll
…
neon-intrinsics.ll
…
no-negzero.ll
…
not-fcmp.ll
…
not.ll
…
nothrow.ll
…
nsw.ll
…
obfuscated_splat.ll
…
objsize-64.ll
…
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
…
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
…
or-to-xor.ll
…
or-xor.ll
…
or.ll
…
osx-names.ll
…
overflow-mul.ll
InstCombine: Disable umul.with.overflow recognition for vectors.
2014-06-24 10:47:52 +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
Don't use isNullValue to evaluate ConstantExpr
2013-12-06 21:48:36 +00:00
phi.ll
…
pow-1.ll
Change math intrinsic attributes from readonly to readnone. These
2014-03-06 00:18:15 +00:00
pow-2.ll
…
pow-3.ll
Adds missing TLI check for library simplification of
2013-08-19 06:55:47 +00:00
pr2645-0.ll
…
pr2645-1.ll
…
pr2996.ll
…
pr8547.ll
…
pr12251.ll
…
pr12338.ll
…
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
pr19420.ll
Revert "Revert r206045, "Fix shift by constants for vector.""
2014-04-14 21:50:37 +00:00
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
PR7357.ll
…
preserve-sminmax.ll
…
printf-1.ll
Fix broken FileCheck prefixes
2014-02-26 22:29:11 +00:00
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
README.txt
…
rem.ll
Add back commit r210029.
2014-06-02 22:01:04 +00:00
round.ll
Allow constant folding of round function whenever feasible
2014-03-07 04:36:21 +00:00
sdiv-1.ll
…
sdiv-2.ll
…
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
…
select-extractelement.ll
Scalarize select vector arguments when extracted.
2013-11-04 20:36:06 +00:00
select-load-call.ll
…
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
Merging r222856:
2015-01-06 08:51:50 +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
Revert "Revert r206045, "Fix shift by constants for vector.""
2014-04-14 21:50:37 +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
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
…
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
Fixing a corner-case bug in strchr and strrchr lib call optimizations where
2013-08-15 20:58:59 +00:00
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
I did not intend to merge these in.
2014-12-08 09:15:41 +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
Also handle ConstantAggregateZero when optimizing vpermilvar*.
2014-04-29 22:20:40 +00:00
vec_extract_2elts.ll
…
vec_extract_elt.ll
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
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
Convert tests to FileCheck
2013-08-28 23:04:41 +00:00
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
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
…
weak-symbols.ll
…
win-math.ll
SimplifyLibCalls: When emitting an overloaded fp function check that it's available.
2013-08-31 18:19:35 +00:00
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
Add back commit r210029.
2014-06-02 22:01:04 +00:00
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.
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