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9d236f909cec671ef2ff186c8fce6d2e1540a0a9
llvm-6502/test/Transforms/InstCombine
History
Nuno Lopes 9d236f909c objectsize: add support for GEPs with non-constant indexes 
add an additional parameter to InstCombiner::EmitGEPOffset() to force it to *not* emit operations with NUW flag

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156585 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-10 23:17:35 +00:00
..
2002-03-11-InstCombineHang.ll
…
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
Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
2011-11-27 06:54:59 +00:00
2003-10-29-CallSiteResolve.ll
Update to new EH scheme.
2011-09-01 01:28:25 +00:00
2003-11-03-VarargsCallBug.ll
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2004-01-13-InstCombineInvokePHI.ll
Update to new EH scheme.
2011-09-01 01:28:25 +00:00
2004-02-23-ShiftShiftOverflow.ll
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2004-03-13-InstCombineInfLoop.ll
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2004-04-04-InstCombineReplaceAllUsesWith.ll
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2004-05-07-UnsizedCastLoad.ll
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2004-07-27-ConstantExprMul.ll
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2004-08-09-RemInfLoop.ll
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2004-08-10-BoolSetCC.ll
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2004-09-20-BadLoadCombine2.ll
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2004-09-20-BadLoadCombine.ll
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2004-09-28-BadShiftAndSetCC.ll
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2004-11-22-Missed-and-fold.ll
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2004-11-27-SetCCForCastLargerAndConstant.ll
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2004-12-08-RemInfiniteLoop.ll
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2005-03-04-ShiftOverflow.ll
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2005-04-07-UDivSelectCrash.ll
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2005-06-15-DivSelectCrash.ll
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2005-06-15-ShiftSetCCCrash.ll
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2005-06-16-RangeCrash.ll
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2005-06-16-SetCCOrSetCCMiscompile.ll
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2005-07-07-DeadPHILoop.ll
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2006-02-13-DemandedMiscompile.ll
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2006-02-28-Crash.ll
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2006-03-30-ExtractElement.ll
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2006-04-28-ShiftShiftLongLong.ll
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +00:00
2006-05-04-DemandedBitCrash.ll
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2006-09-15-CastToBool.ll
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2006-10-19-SignedToUnsignedCastAndConst-2.ll
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2006-10-20-mask.ll
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2006-10-26-VectorReassoc.ll
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2006-11-10-ashr-miscompile.ll
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2006-12-01-BadFPVectorXform.ll
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2006-12-05-fp-to-int-ext.ll
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2006-12-08-Phi-ICmp-Op-Fold.ll
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2006-12-08-Select-ICmp.ll
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2006-12-15-Range-Test.ll
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2006-12-23-Select-Cmp-Cmp.ll
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2007-01-13-ExtCompareMiscompile.ll
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2007-01-14-FcmpSelf.ll
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2007-01-18-VectorInfLoop.ll
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2007-01-27-AndICmp.ll
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2007-02-01-LoadSinkAlloca.ll
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2007-02-07-PointerCast.ll
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2007-02-23-PhiFoldInfLoop.ll
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2007-03-13-CompareMerge.ll
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2007-03-19-BadTruncChangePR1261.ll
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2007-03-21-SignedRangeTest.ll
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2007-03-25-BadShiftMask.ll
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2007-03-25-DoubleShift.ll
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2007-03-26-BadShiftMask.ll
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +00:00
2007-04-08-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
Stop accepting and ignoring attributes in function types. Attributes are applied
2011-06-17 17:37:13 +00:00
2007-06-06-AshrSignBit.ll
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2007-06-21-DivCompareMiscomp.ll
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2007-08-02-InfiniteLoop.ll
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2007-09-10-AliasConstFold.ll
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2007-09-17-AliasConstFold2.ll
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2007-10-10-EliminateMemCpy.ll
rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which is
2011-06-18 06:05:24 +00:00
2007-10-12-Crash.ll
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2007-10-28-stacksave.ll
Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
2011-11-27 06:54:59 +00:00
2007-10-31-RangeCrash.ll
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2007-10-31-StringCrash.ll
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2007-11-07-OpaqueAlignCrash.ll
Land the long talked about "type system rewrite" patch. This
2011-07-09 17:41:24 +00:00
2007-11-15-CompareMiscomp.ll
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2007-11-22-IcmpCrash.ll
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2007-11-25-CompatibleAttributes.ll
Stop accepting and ignoring attributes in function types. Attributes are applied
2011-06-17 17:37:13 +00:00
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
Revert "Disable InstCombine unsafe folding bitcasts of calls w/ varargs."
2012-02-03 00:00:50 +00:00
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
manually upgrade a bunch of tests to modern syntax, and remove some that
2011-06-17 03:14:27 +00:00
2008-01-14-VarArgTrampoline.ll
Split the init.trampoline intrinsic, which currently combines GCC's
2011-09-06 13:37:06 +00:00
2008-01-21-MismatchedCastAndCompare.ll
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2008-01-21-MulTrunc.ll
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2008-01-27-FloatSelect.ll
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2008-01-29-AddICmp.ll
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2008-02-13-MulURem.ll
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2008-02-16-SDivOverflow2.ll
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2008-02-16-SDivOverflow.ll
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2008-02-23-MulSub.ll
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2008-02-28-OrFCmpCrash.ll
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2008-03-13-IntToPtr.ll
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2008-04-22-ByValBitcast.ll
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2008-04-28-VolatileStore.ll
Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
2011-11-27 06:54:59 +00:00
2008-04-29-VolatileLoadDontMerge.ll
Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
2011-11-27 06:54:59 +00:00
2008-04-29-VolatileLoadMerge.ll
Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
2011-11-27 06:54:59 +00:00
2008-05-08-LiveStoreDelete.ll
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2008-05-08-StrLenSink.ll
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2008-05-09-SinkOfInvoke.ll
Update to new EH scheme.
2011-09-01 01:28:25 +00:00
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
Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
2011-11-27 06:54:59 +00:00
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
Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
2011-11-27 06:54:59 +00:00
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
My auto-simplifier noticed that ((X/Y)*Y)/Y occurs several times in SPEC
2011-01-28 16:51:11 +00:00
2008-11-27-IDivVector.ll
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2008-11-27-MultiplyIntVec.ll
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2008-11-27-UDivNegative.ll
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2008-12-17-SRemNegConstVec.ll
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2009-01-05-i128-crash.ll
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2009-01-08-AlignAlloca.ll
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2009-01-16-PointerAddrSpace.ll
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2009-01-19-fmod-constant-float-specials.ll
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2009-01-19-fmod-constant-float.ll
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2009-01-24-EmptyStruct.ll
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2009-01-31-InfIterate.ll
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2009-01-31-Pressure.ll
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2009-02-04-FPBitcast.ll
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2009-02-20-InstCombine-SROA.ll
rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which is
2011-06-18 06:05:24 +00:00
2009-02-21-LoadCST.ll
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2009-02-25-CrashZeroSizeArray.ll
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2009-03-18-vector-ashr-crash.ll
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2009-03-20-AShrOverShift.ll
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2009-03-24-InfLoop.ll
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2009-04-07-MulPromoteToI96.ll
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2009-05-23-FCmpToICmp.ll
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2009-06-11-StoreAddrSpace.ll
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2009-06-16-SRemDemandedBits.ll
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2009-07-02-MaskedIntVector.ll
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2009-12-17-CmpSelectNull.ll
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2010-01-28-NegativeSRem.ll
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2010-03-03-ExtElim.ll
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2010-11-01-lshr-mask.ll
Reapply r155136 after fixing PR12599.
2012-04-23 17:39:52 +00:00
2010-11-21-SizeZeroTypeGEP.ll
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2010-11-23-Distributed.ll
Add a generic expansion transform: A op (B op' C) -> (A op B) op' (A op C)
2010-12-22 13:36:08 +00:00
2011-02-14-InfLoop.ll
Fix 9216 - Endless loop in InstCombine pass.
2011-02-15 07:13:48 +00:00
2011-03-08-SRemMinusOneBadOpt.ll
PR9346: Prevent SimplifyDemandedBits from incorrectly introducing
2011-03-09 01:28:35 +00:00
2011-05-02-VectorBoolean.ll
Fix PR9579: when simplifying a compare to "true" or "false", and it was
2011-05-02 18:51:41 +00:00
2011-05-13-InBoundsGEP.ll
Drop lli, revise test.
2011-05-17 02:38:59 +00:00
2011-05-28-swapmulsub.ll
Reapply 132348 with fixes. rdar://problem/6501862
2011-06-01 16:42:47 +00:00
2011-06-13-nsw-alloca.ll
Small fix in InstCombineCasts.cpp. Restored "alloca + bitcast" reducing for case when alloca's size is calculated within the "add/sub/... nsw".
2012-05-05 07:09:40 +00:00
2011-09-03-Trampoline.ll
Forgot to add this trampoline testcase.
2011-09-07 09:21:38 +00:00
2011-10-07-AlignPromotion.ll
Added a testcase for r141599, rdar://problem/10063881.
2011-10-11 01:32:10 +00:00
2012-3-15-or-xor-constant.ll
In InstCombiner::visitOr, make sure we reverse the operand swap used for checking for or-of-xor operations after those checks; a later check expects that any constant will be in Op1. PR12234.
2012-03-16 00:52:42 +00:00
2012-01-11-OpaqueBitcastCrash.ll
Don't try to create a GEP when the pointee type is unsized (such GEPs
2012-01-11 12:20:08 +00:00
2012-02-13-FCmp.ll
Check against umin while converting fcmp into an icmp.
2012-02-13 23:05:18 +00:00
2012-02-28-ICmp.ll
Testcase for r151691.
2012-02-29 01:53:13 +00:00
2012-03-10-InstCombine.ll
Don't try to filecheck bitcode.
2012-03-10 18:07:46 +00:00
2012-04-23-Neon-Intrinsics.ll
Add support for llvm.arm.neon.vmull* intrinsics to InstCombine. Fixes
2012-05-01 00:20:38 +00:00
2012-04-24-vselect.ll
ConstantFoldSelectInstruction swapped the operands of the select.
2012-04-24 20:18:49 +00:00
2012-04-30-SRem.ll
Just mark the sign bit as known zero, rather than any other irrelevant bits
2012-04-30 11:56:58 +00:00
add2.ll
preserve NUW/NSW when transforming add x,x
2011-02-17 02:23:02 +00:00
add3.ll
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add-shrink.ll
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add-sitofp.ll
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add.ll
Also fold (A+B) == A -> B == 0 when the add is commuted.
2011-02-11 21:46:48 +00:00
addnegneg.ll
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adjust-for-sminmax.ll
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align-2d-gep.ll
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align-addr.ll
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align-external.ll
Fix a theoretical problem (not seen in the wild): if different instances of a
2011-11-29 18:26:38 +00:00
alloca.ll
Teach InstCombine to nuke a common alloca pattern -- an alloca which has
2012-04-08 14:36:56 +00:00
and2.ll
Fix an infinite loop where a transform in InstCombiner::visitAnd claims a construct is changed when it is not. (See included testcase.)
2011-09-19 21:58:15 +00:00
and-compare.ll
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and-fcmp.ll
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and-not-or.ll
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and-or-and.ll
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and-or-not.ll
Fix a ton of comment typos found by codespell. Patch by
2011-04-15 05:18:47 +00:00
and-or.ll
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and-xor-merge.ll
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and-xor-or.ll
Add instcombine patterns for the following transformations:
2012-04-26 23:29:14 +00:00
and.ll
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apint-add1.ll
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apint-add2.ll
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apint-and1.ll
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apint-and2.ll
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apint-and-compare.ll
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apint-and-or-and.ll
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apint-and-xor-merge.ll
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apint-call-cast-target.ll
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apint-cast-and-cast.ll
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apint-cast-cast-to-and.ll
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apint-cast.ll
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apint-div1.ll
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apint-div2.ll
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apint-mul1.ll
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apint-mul2.ll
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apint-not.ll
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apint-or1.ll
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apint-or2.ll
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apint-rem1.ll
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apint-rem2.ll
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apint-select.ll
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apint-shift-simplify.ll
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apint-shift.ll
Reapply r155136 after fixing PR12599.
2012-04-23 17:39:52 +00:00
apint-shl-trunc.ll
Filecheck-ize this test so that it actually tests something reasonable.
2012-03-29 22:01:41 +00:00
apint-sub.ll
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apint-xor1.ll
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apint-xor2.ll
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apint-zext1.ll
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apint-zext2.ll
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ashr-nop.ll
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atomic.ll
An additional atomic test; related to r137662.
2011-08-16 23:29:17 +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-sext-vector.ll
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bitcast-store.ll
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bitcast-vec-canon.ll
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bitcast-vec-uniform.ll
Enhance constant folding of bitcast operations on vectors of floats.
2011-02-17 21:22:27 +00:00
bitcast-vector-fold.ll
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bitcast.ll
Implement Constant::isAllOnesValue(). Fix ConstantFolding to use the new api.
2011-08-24 20:18:38 +00:00
bitcount.ll
Manually upgrade the test suite to specify the flag to cttz and ctlz.
2011-12-12 11:59:10 +00:00
bittest.ll
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bswap-fold.ll
make the asmparser reject function and type redefinitions. 'Merging' hasn't been
2011-06-17 07:06:44 +00:00
bswap.ll
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call2.ll
Remove support for using "foo" as symbols instead of %"foo". This is ancient
2011-06-17 06:36:20 +00:00
call-cast-target.ll
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call-intrinsics.ll
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call.ll
Revert "Disable InstCombine unsafe folding bitcasts of calls w/ varargs."
2012-02-03 00:00:50 +00:00
canonicalize_branch.ll
Add a routine to swap branch instruction operands, and update any
2011-10-17 01:11:57 +00:00
cast_ptr.ll
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cast-mul-select.ll
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cast-set.ll
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cast.ll
Reapply r155136 after fixing PR12599.
2012-04-23 17:39:52 +00:00
compare-signs.ll
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constant-fold-compare.ll
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constant-fold-gep.ll
Make SelectionDAG::InferPtrAlignment use llvm::ComputeMaskedBits instead of duplicating the logic for globals. Make llvm::ComputeMaskedBits handle GlobalVariables slightly more aggressively, to match what InferPtrAlignment knew how to do.
2011-11-28 22:48:22 +00:00
CPP_min_max.ll
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crash.ll
Convert to the new EH model.
2011-11-08 00:23:01 +00:00
dce-iterate.ll
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deadcode.ll
Lifetime intrinsics on undef are dead.
2011-08-02 21:19:27 +00:00
debuginfo.ll
change the objectsize intrinsic signature: add a 3rd parameter to denote the maximum runtime performance penalty that the user is willing to accept.
2012-05-09 15:52:43 +00:00
devirt.ll
Migrate this test from llvm/test/FrontendC++/ptr-to-method-devirt.cpp and
2011-08-16 01:17:17 +00:00
div.ll
Carve out a place in instcombine to put transformations which work knowing that their
2011-05-22 18:18:41 +00:00
enforce-known-alignment.ll
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exact.ll
PR9998: ashr exact %x, 31 is not equivalent to sdiv exact %x, -2147483648.
2011-05-25 23:26:20 +00:00
ExtractCast.ll
Instcombile optimization: extractelement(cast) -> cast(extractelement)
2011-03-31 22:57:29 +00:00
extractvalue.ll
Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
2011-11-27 06:54:59 +00:00
fcmp-select.ll
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fcmp-special.ll
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fcmp.ll
float comparison to double 'zero' constant can just be a float 'zero.'
2011-09-30 18:45:50 +00:00
fdiv.ll
Avoid turning a floating point division with a constant power of two into a denormal multiplication.
2011-03-30 17:02:54 +00:00
fold-bin-operand.ll
FileCheck-ize and update test.
2011-03-18 01:10:31 +00:00
fold-calls.ll
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fold-sqrt-sqrtf.ll
Add support for sqrt, sqrtl, and sqrtf in TargetLibraryInfo. Disable
2011-11-29 23:57:10 +00:00
fold-vector-select.ll
Fix 9173.
2011-02-11 19:37:55 +00:00
fold-vector-zero.ll
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fp-ret-bitcast.ll
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fpcast.ll
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fpextend.ll
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fsub.ll
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gep-addrspace.ll
This testcase passed even without the fix. Added the target info to make the
2011-04-06 11:18:29 +00:00
gepgep.ll
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getelementptr.ll
Add a small gep optimization I noticed was missing while reading some IL.
2011-07-31 04:43:41 +00:00
hoist_instr.ll
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icmp.ll
Reinstate the optimization from r151449 with a fix to not turn 'gep %x' into
2012-02-26 02:09:49 +00:00
idioms.ll
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IntPtrCast.ll
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intrinsics.ll
Add an explicit test that we now fold cttz.i32(..., true) >> 5 -> 0.
2011-12-24 22:34:15 +00:00
invariant.ll
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JavaCompare.ll
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known_align.ll
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LandingPadClauses.ll
Add support for the Objective-C personality function to the instruction
2011-10-17 21:20:24 +00:00
lit.local.cfg
Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.
2012-02-16 06:28:33 +00:00
load3.ll
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load-cmp.ll
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load-select.ll
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load.ll
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loadstore-alignment.ll
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logical-select.ll
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lshr-phi.ll
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malloc-free-delete.ll
Fix logical error when detecting lifetime intrinsics.
2011-08-03 00:43:35 +00:00
memcpy-to-load.ll
rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which is
2011-06-18 06:05:24 +00:00
memcpy.ll
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memmove.ll
rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which is
2011-06-18 06:05:24 +00:00
memset2.ll
Test case for r122215 when InstCombine optimizes memset
2010-12-20 01:06:23 +00:00
memset_chk.ll
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memset.ll
rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which is
2011-06-18 06:05:24 +00:00
merge-icmp.ll
InstCombine: Merge "(trunc x) == C1 & (and x, CA) == C2" into a single and+icmp.
2011-04-28 16:58:40 +00:00
mul-masked-bits.ll
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mul.ll
Factor out the multiply analysis code in ComputeMaskedBits and apply it to the
2012-03-18 23:28:48 +00:00
multi-use-or.ll
…
narrow.ll
…
neon-intrinsics.ll
…
no-negzero.ll
…
not-fcmp.ll
…
not.ll
manually upgrade a bunch of tests to modern syntax, and remove some that
2011-06-17 03:14:27 +00:00
nothrow.ll
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nsw.ll
This transform is not safe. Thanks to Eli for pointing that out!
2011-08-14 04:51:49 +00:00
objsize.ll
objectsize: add support for GEPs with non-constant indexes
2012-05-10 23:17:35 +00:00
odr-linkage.ll
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or-fcmp.ll
Just because we have determined that an (fcmp | fcmp) is true for A < B,
2011-01-21 19:39:42 +00:00
or-to-xor.ll
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or-xor.ll
InstCombine: Add a bunch of combines of the form x | (y ^ z).
2011-02-20 13:23:43 +00:00
or.ll
More instcombine cleanup, towards improving debug line info.
2011-05-18 23:58:37 +00:00
overflow.ll
Add a missing safety check to ProcessUGT_ADDCST_ADD. Fixes PR11438.
2011-11-28 23:32:19 +00:00
phi-merge-gep.ll
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phi.ll
Reapply r155682, making constant folding more consistent, with a fix to work
2012-04-27 17:50:22 +00:00
pr2645-0.ll
…
pr2645-1.ll
…
pr2996.ll
…
pr8547.ll
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +00:00
pr12251.ll
Always compute all the bits in ComputeMaskedBits.
2012-04-04 12:51:34 +00:00
preserve-sminmax.ll
…
ptr-int-cast.ll
Stop emitting instructions with the name "tmp" they eat up memory and have to be uniqued, without any benefit.
2011-09-27 20:39:19 +00:00
README.txt
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rem.ll
…
sdiv-1.ll
…
sdiv-2.ll
…
sdiv-shift.ll
…
select-2.ll
…
select-crash.ll
PR10180: Fix a instcombine crash with FP vectors.
2011-06-23 20:40:23 +00:00
select-load-call.ll
…
select.ll
Added InstCombine for "select cond, ~cond, x" type patterns
2011-12-15 00:56:45 +00:00
set.ll
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setcc-strength-reduce.ll
…
sext.ll
Manually upgrade the test suite to specify the flag to cttz and ctlz.
2011-12-12 11:59:10 +00:00
shift-sra.ll
…
shift.ll
Reapply r155136 after fixing PR12599.
2012-04-23 17:39:52 +00:00
shufflemask-undef.ll
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shufflevec-constant.ll
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sign-test-and-or.ll
InstCombine: Teach foldLogOpOfMaskedICmpsHelper that sign bit tests are bit tests.
2012-01-09 17:23:27 +00:00
signed-comparison.ll
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signext.ll
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +00:00
simplify-demanded-bits-pointer.ll
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sink_instruction.ll
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sitofp.ll
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sqrt.ll
Change test case, one that actually failed before my commit.
2011-07-13 19:19:44 +00:00
srem1.ll
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srem-simplify-bug.ll
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srem.ll
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stack-overalign.ll
rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which is
2011-06-18 06:05:24 +00:00
stacksaverestore.ll
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store.ll
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strcpy_chk-64.ll
If we don't know how long a string is we can't fold an _chk version to the
2011-03-15 00:25:41 +00:00
strcpy_chk.ll
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sub-xor.ll
InstCombine: Add a combine that turns (2^n)-1 ^ x back into (2^n)-1 - x iff x is smaller than 2^n and it fuses with a following add.
2011-12-24 17:31:53 +00:00
sub.ll
InstCombine: Make OptimizePointerDifference more aggressive.
2012-02-20 14:34:57 +00:00
trunc.ll
Enhance a bunch of transformations in instcombine to start generating
2011-02-10 05:36:31 +00:00
udiv_select_to_select_shift.ll
…
udiv-simplify-bug-0.ll
…
udiv-simplify-bug-1.ll
…
udivrem-change-width.ll
InstCombine: Turn (zext A) udiv (zext B) into (zext (A udiv B)). Same for urem or constant B.
2011-04-30 18:16:07 +00:00
urem-simplify-bug.ll
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urem.ll
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vec_demanded_elts.ll
Make demanded-elt simplification for shufflevector slightly stronger. Spotted by inspection.
2011-09-15 01:14:29 +00:00
vec_extract_elt.ll
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vec_insertelt.ll
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vec_narrow.ll
Land the long talked about "type system rewrite" patch. This
2011-07-09 17:41:24 +00:00
vec_sext.ll
Add vector versions of some existing scalar transforms to aid codegen in matching psign & pblend operations to the IR produced by clang/gcc for their C idioms.
2010-12-17 23:12:19 +00:00
vec_shuffle.ll
Extend instcombine's shufflevector simplification to handle more cases where the input and output vectors have different sizes. Patch by Xiaoyi Guo.
2011-10-21 19:06:29 +00:00
vector_gep1.ll
Add support for vectors of pointers.
2011-12-05 06:29:09 +00:00
vector-casts.ll
Stop emitting instructions with the name "tmp" they eat up memory and have to be uniqued, without any benefit.
2011-09-27 20:39:19 +00:00
vector-srem.ll
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volatile_store.ll
Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
2011-11-27 06:54:59 +00:00
x86-crc32-demanded.ll
Renamed llvm.x86.sse42.crc32 intrinsics; crc64 doesn't exist.
2011-05-26 23:13:19 +00:00
xor2.ll
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xor-undef.ll
…
xor.ll
…
zero-point-zero-add.ll
…
zeroext-and-reduce.ll
…
zext-bool-add-sub.ll
…
zext-fold.ll
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zext-or-icmp.ll
manually upgrade a bunch of tests to modern syntax, and remove some that
2011-06-17 03:14:27 +00:00
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.