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llvm-6502/test/Transforms/InstCombine
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Chris Lattner 36d3e326df rename a function to indicate that it checks for profitability as well 
as legality.  Make load sinking and gep sinking more careful: we only
do it when it won't pessimize loads from the stack.  This has the added
benefit of not producing code that is unanalyzable to SROA.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65209 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-21 00:46:50 +00:00
..
2002-03-11-InstCombineHang.ll
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2002-05-14-SubFailure.ll
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2002-05-14-TouchDeletedInst.ll
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2002-08-02-CastTest.ll
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2002-09-17-GetElementPtrCrash.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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2003-06-22-ConstantExprCrash.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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2003-10-23-InstcombineNullFail.ll
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2003-10-29-CallSiteResolve.ll
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2003-11-03-VarargsCallBug.ll
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2003-11-13-ConstExprCastCall.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-InstCombineCrash.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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2006-02-07-SextZextCrash.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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2006-04-01-InfLoop.ll
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2006-04-28-ShiftShiftLongLong.ll
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2006-05-04-DemandedBitCrash.ll
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2006-05-06-Infloop.ll
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2006-06-28-infloop.ll
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2006-09-11-EmptyStructCrash.ll
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2006-09-15-CastToBool.ll
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2006-10-19-SignedToUnsignedCastAndConst-2.ll
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2006-10-19-SignedToUnsignedCastAndConst.ll
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2006-10-20-mask.ll
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2006-10-26-VectorReassoc.ll
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2006-11-03-Memmove64.ll
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2006-11-10-ashr-miscompile.ll
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2006-11-27-XorBug.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-ICmp-Combining.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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2006-12-10-ICmp-GEP-GEP.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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2007-03-27-PR1280.ll
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2007-03-31-InfiniteLoop.ll
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2007-04-04-BadFoldBitcastIntoMalloc.ll
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2007-04-08-SingleEltVectorCrash.ll
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2007-05-04-Crash.ll
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2007-05-10-icmp-or.ll
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2007-05-14-Crash.ll
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2007-05-18-CastFoldBug.ll
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2007-06-06-AshrSignBit.ll
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2007-06-21-DivCompareMiscomp.ll
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2007-08-02-InfiniteLoop.ll
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2007-09-05-EqualGEP.ll
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2007-09-10-AliasConstFold.ll
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2007-09-11-Trampoline.ll
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2007-09-17-AliasConstFold2.ll
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2007-10-10-EliminateMemCpy.ll
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2007-10-12-Crash.ll
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2007-10-28-EmptyField.ll
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2007-10-28-stacksave.ll
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2007-10-31-RangeCrash.ll
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2007-10-31-StringCrash.ll
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2007-11-07-OpaqueAlignCrash.ll
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2007-11-15-CompareMiscomp.ll
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2007-11-22-IcmpCrash.ll
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2007-11-25-CompatibleAttributes.ll
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2007-12-10-ConstFoldCompare.ll
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2007-12-12-GEPScale.ll
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2007-12-16-AsmNoUnwind.ll
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2007-12-18-AddSelCmpSub.ll
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2007-12-28-IcmpSub2.ll
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2008-01-06-BitCastAttributes.ll
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2008-01-06-CastCrash.ll
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2008-01-06-VoidCast.ll
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2008-01-13-AndCmpCmp.ll
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2008-01-13-NoBitCastAttributes.ll
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2008-01-14-DoubleNest.ll
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2008-01-14-VarArgTrampoline.ll
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2008-01-21-MismatchedCastAndCompare.ll
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2008-01-21-MulTrunc.ll
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2008-01-27-FloatSelect.ll
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2008-01-29-AddICmp.ll
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2008-02-04-GEPIdxBug.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
Reinstate this optimization to fold icmp of xor when possible. Don't try to
2009-01-31 21:30:05 +00:00
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
make m_ConstantInt(int64_t) safely match ConstantInt's that are larger than i64.
2009-01-05 23:45:50 +00:00
2009-01-08-AlignAlloca.ll
Make instcombine ensure that all allocas are explicitly aligned at at
2009-01-13 20:18:38 +00:00
2009-01-16-PointerAddrSpace.ll
Fix PR3335 by not turning a store to one address space into a store to another.
2009-01-16 20:12:52 +00:00
2009-01-19-fmod-constant-float-specials.ll
Do not use host floating point types when emitting
2009-01-21 20:32:55 +00:00
2009-01-19-fmod-constant-float.ll
Calls to fmod, it turns out, are constant-folded by
2009-01-20 21:58:13 +00:00
2009-01-24-EmptyStruct.ll
testcase for PR3381.
2009-01-24 17:16:04 +00:00
2009-01-31-InfIterate.ll
reduce testcase.
2009-02-02 06:55:45 +00:00
2009-01-31-Pressure.ll
Reinstate this optimization to fold icmp of xor when possible. Don't try to
2009-01-31 21:30:05 +00:00
2009-02-04-FPBitcast.ll
Allow the inverse transform x86_fp80 -> i80 (also
2009-02-04 11:17:06 +00:00
2009-02-20-InstCombine-SROA.ll
rename a function to indicate that it checks for profitability as well
2009-02-21 00:46:50 +00:00
add2.ll
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add-shrink.ll
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add-sitofp.ll
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add.ll
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addnegneg.ll
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adjust-for-sminmax.ll
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align-2d-gep.ll
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align-addr.ll
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align-inc.ll
Change these tests to use regular loads instead of llvm.x86.sse2.loadu.dq.
2009-02-16 00:44:23 +00:00
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.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-elim-logicalops.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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binop-cast.ll
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bit-tracking.ll
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bitcast-gep.ll
Fix part 3/2 of PR3290, making instcombine zap (gep(bitcast)) when possible.
2009-01-09 05:44:56 +00:00
bitcast-vector-fold.ll
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bitcount.ll
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bittest.ll
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bswap-fold.ll
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bswap.ll
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call2.ll
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call-cast-target.ll
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call-intrinsics.ll
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call.ll
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canonicalize_branch.ll
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cast2.ll
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cast_ld_addr_space.ll
Instrcombine should not change load(cast p) to cast(load p) if the cast
2009-02-07 22:19:29 +00:00
cast_ptr.ll
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cast-and-cast.ll
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cast-cast-to-and.ll
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cast-load-gep.ll
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cast-malloc.ll
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cast-mul-select.ll
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cast-propagate.ll
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cast-set.ll
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cast-sext-zext.ll
Fix PR3452 (an infinite loop bootstrapping) by disabling the recent
2009-01-31 19:05:27 +00:00
cast-store-gep.ll
Make InstCombineStoreToCast handle aggregates more aggressively,
2009-01-24 01:00:13 +00:00
cast.ll
Clean up previous cast optimization a bit. Also make zext elimination a bit more aggressive: if it's not necessary to emit an AND (i.e. high bits are already zero), it's profitable to evaluate the operand at a different type.
2009-01-16 02:11:43 +00:00
CPP_min_max.ll
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dce-iterate.ll
make sure to set Changed=true when instcombine hacks on the code,
2009-01-31 07:04:22 +00:00
deadcode.ll
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dg.exp
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div-cmp-overflow.ll
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div.ll
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enforce-known-alignment.ll
Change the argument type in this test to something less convoluted,
2009-02-18 04:25:04 +00:00
extractvalue.ll
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fold-vector-zero.ll
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fp-ret-bitcast.ll
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fpcast.ll
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fpextend.ll
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GEPIdxCanon.ll
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getelementptr_cast.ll
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getelementptr_const.ll
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getelementptr_index.ll
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getelementptr_promote.ll
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getelementptr-setcc.ll
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getelementptr-seteq.ll
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getelementptr.ll
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hoist_instr.ll
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icmp.ll
Implement rdar://6480391, extending of equality icmp's to avoid a truncation.
2009-01-09 07:47:06 +00:00
IntPtrCast.ll
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JavaCompare.ll
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known_align.ll
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load2.ll
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load3.ll
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load.ll
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loadstore-alignment.ll
Make instcombine ensure that all allocas are explicitly aligned at at
2009-01-13 20:18:38 +00:00
logical-select.ll
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malloc2.ll
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malloc3.ll
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malloc-free-delete.ll
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malloc.ll
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memcpy-to-load.ll
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memmove.ll
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memset.ll
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mul-masked-bits.ll
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mul.ll
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multi-use-or.ll
now that all the pieces are in place, teach instcombine's
2009-01-31 08:40:03 +00:00
narrow.ll
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not-fcmp.ll
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not.ll
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or2.ll
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or-fcmp.ll
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or-to-xor.ll
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or.ll
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phi-merge.ll
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phi.ll
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pr2645-0.ll
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pr2645-1.ll
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pr2996.ll
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preserve-sminmax.ll
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README.txt
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rem.ll
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sdiv-1.ll
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sdiv-2.ll
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select.ll
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set.ll
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setcc-cast-cast.ll
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setcc-strength-reduce.ll
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sext-misc.ll
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shift-simplify.ll
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shift-sra.ll
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shift-trunc-shift.ll
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shift.ll
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shl-icmp.ll
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shl-trunc.ll
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shufflemask-undef.ll
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shufflevec-constant.ll
Add suppport for ConstantExprs of shufflevectors whose result type is not equal to the
2009-02-12 21:28:33 +00:00
signext.ll
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sink_instruction.ll
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sitofp.ll
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srem1.ll
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srem-simplify-bug.ll
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srem.ll
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stacksaverestore.ll
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store-merge.ll
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store.ll
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sub.ll
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udiv_select_to_select_shift.ll
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udiv-simplify-bug-0.ll
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udiv-simplify-bug-1.ll
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urem-simplify-bug.ll
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urem.ll
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vec_demanded_elts-2.ll
APInt'fy SimplifyDemandedVectorElts so it can analyze vectors with more than 64 elements.
2009-02-03 10:05:09 +00:00
vec_demanded_elts.ll
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vec_extract_elt.ll
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vec_insert_to_shuffle.ll
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vec_insertelt.ll
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vec_narrow.ll
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vec_shuffle2.ll
Fixed optimization of combining two shuffles where the first shuffle inputs
2009-01-26 04:39:00 +00:00
vec_shuffle.ll
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vector-srem.ll
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volatile_store.ll
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xor2.ll
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xor-demorgans.ll
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xor-undef.ll
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xor.ll
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zero-point-zero-add.ll
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zeroext-and-reduce.ll
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zext-fold.ll
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zext-or-icmp.ll
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zext.ll
commit a tweaked version of Daniel's patch for PR3599. We now
2009-02-17 20:47:23 +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.