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clang-p2996/llvm/test/Transforms/InstCombine
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Sanjay Patel 30ef70b090 [InstCombine] fold X urem C -> X < C ? X : X - C when C is big (PR28672) 
We already have the udiv variant of this transform, so I think this is ok for 
InstCombine too even though there is an increase in IR instructions. As the 
tests and TODO comments show, the transform can lead to follow-on combines.

This should fix: https://llvm.org/bugs/show_bug.cgi?id=28672

Differential Revision: https://reviews.llvm.org/D24527

llvm-svn: 282209
2016-09-22 22:36:26 +00:00
..
ARM
Enable simplify libcalls for ARM PCS
2016-09-13 12:10:14 +00:00
2003-05-26-CastMiscompile.ll
…
2003-05-27-ConstExprCrash.ll
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2003-06-05-BranchInvertInfLoop.ll
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2003-07-21-ExternalConstant.ll
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2003-08-12-AllocaNonNull.ll
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2003-09-09-VolatileLoadElim.ll
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2003-10-29-CallSiteResolve.ll
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2003-11-03-VarargsCallBug.ll
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2004-01-13-InstCombineInvokePHI.ll
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2004-02-23-ShiftShiftOverflow.ll
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2004-03-13-InstCombineInfLoop.ll
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2004-04-04-InstCombineReplaceAllUsesWith.ll
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2004-05-07-UnsizedCastLoad.ll
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2004-07-27-ConstantExprMul.ll
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2004-08-09-RemInfLoop.ll
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2004-08-10-BoolSetCC.ll
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2004-09-20-BadLoadCombine2.ll
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2004-09-20-BadLoadCombine.ll
…
2004-09-28-BadShiftAndSetCC.ll
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2004-11-22-Missed-and-fold.ll
…
2004-11-27-SetCCForCastLargerAndConstant.ll
[InstCombine] limit icmp transform to ConstantInt (PR28011)
2016-06-06 16:56:57 +00:00
2004-12-08-RemInfiniteLoop.ll
…
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
…
2006-02-13-DemandedMiscompile.ll
…
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
…
2006-10-20-mask.ll
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2006-10-26-VectorReassoc.ll
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2006-11-10-ashr-miscompile.ll
…
2006-12-01-BadFPVectorXform.ll
[InstCombine] regenerate checks
2016-04-05 17:24:54 +00:00
2006-12-05-fp-to-int-ext.ll
…
2006-12-08-Phi-ICmp-Op-Fold.ll
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2006-12-08-Select-ICmp.ll
…
2006-12-15-Range-Test.ll
…
2006-12-23-Select-Cmp-Cmp.ll
…
2007-01-13-ExtCompareMiscompile.ll
…
2007-01-14-FcmpSelf.ll
…
2007-01-18-VectorInfLoop.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
…
2007-03-13-CompareMerge.ll
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2007-03-19-BadTruncChangePR1261.ll
…
2007-03-21-SignedRangeTest.ll
[InstCombine] allow icmp (div X, Y), C folds for splat constant vectors
2016-08-31 21:57:21 +00:00
2007-03-25-BadShiftMask.ll
update to use FileCheck and auto-generate checks
2016-08-09 19:42:52 +00:00
2007-03-25-DoubleShift.ll
…
2007-03-26-BadShiftMask.ll
…
2007-04-08-SingleEltVectorCrash.ll
…
2007-05-10-icmp-or.ll
…
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
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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-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
…
2007-11-15-CompareMiscomp.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
…
2008-01-06-BitCastAttributes.ll
…
2008-01-06-CastCrash.ll
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2008-01-06-VoidCast.ll
…
2008-01-13-AndCmpCmp.ll
…
2008-01-13-NoBitCastAttributes.ll
…
2008-01-14-VarArgTrampoline.ll
…
2008-01-21-MismatchedCastAndCompare.ll
…
2008-01-21-MulTrunc.ll
…
2008-01-27-FloatSelect.ll
…
2008-01-29-AddICmp.ll
[InstCombine] use m_APInt to allow icmp (add X, Y), C folds for splat constant vectors
2016-08-17 15:24:30 +00:00
2008-02-13-MulURem.ll
…
2008-02-16-SDivOverflow2.ll
…
2008-02-23-MulSub.ll
…
2008-02-28-OrFCmpCrash.ll
…
2008-03-13-IntToPtr.ll
…
2008-04-22-ByValBitcast.ll
…
2008-04-28-VolatileStore.ll
…
2008-04-29-VolatileLoadDontMerge.ll
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2008-04-29-VolatileLoadMerge.ll
…
2008-05-08-LiveStoreDelete.ll
…
2008-05-08-StrLenSink.ll
…
2008-05-09-SinkOfInvoke.ll
…
2008-05-17-InfLoop.ll
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2008-05-18-FoldIntToPtr.ll
…
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-ShiftOneAndOne.ll
update test to FileCheck
2016-06-05 16:29:15 +00:00
2008-07-08-SubAnd.ll
…
2008-07-08-VolatileLoadMerge.ll
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2008-07-09-SubAndError.ll
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2008-07-10-CastSextBool.ll
update test to use FileCheck
2016-06-05 16:41:20 +00:00
2008-07-10-ICmpBinOp.ll
…
2008-07-11-RemAnd.ll
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2008-07-13-DivZero.ll
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2008-07-16-fsub.ll
…
2008-08-05-And.ll
…
2008-08-17-ICmpXorSignbit.ll
[InstCombine] use m_APInt to allow icmp (xor X, Y), C folds for splat constant vectors
2016-08-18 14:10:48 +00:00
2008-09-02-VectorCrash.ll
…
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
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2009-01-19-fmod-constant-float-specials.ll
…
2009-01-19-fmod-constant-float.ll
…
2009-01-24-EmptyStruct.ll
…
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
Remove the ScalarReplAggregates pass
2016-06-15 00:19:09 +00:00
2009-02-21-LoadCST.ll
…
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
…
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
…
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
Reapply "InstCombine: Reduce trunc (shl x, K) width."
2016-09-13 19:43:57 +00:00
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
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2012-04-24-vselect.ll
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2012-04-30-SRem.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
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2012-08-28-udiv_ashl.ll
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2012-09-17-ZeroSizedAlloca.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
…
abs-1.ll
…
add2.ll
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add3.ll
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add-shrink.ll
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add-sitofp.ll
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add.ll
[InstCombine] use m_APInt to allow icmp eq (add X, C1), C2 folds for splat constant vectors
2016-08-03 22:08:44 +00:00
addnegneg.ll
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AddOverFlow.ll
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addrspacecast.ll
Fix constant folding of addrspacecast of null
2016-05-21 00:14:04 +00:00
adjust-for-sminmax.ll
…
alias-recursion.ll
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align-2d-gep.ll
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align-addr.ll
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align-attr.ll
Teach computeKnownBits to look through returned-argument functions
2016-07-11 02:25:14 +00:00
align-external.ll
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aligned-altivec.ll
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aligned-qpx.ll
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all-bits-shift.ll
InstCombine: Restrict computeKnownBits() on all Values to OptLevel > 2
2016-03-09 18:47:11 +00:00
alloca.ll
[OperandBundles] Have InstCombine play nice with operand bundles
2015-12-23 09:58:41 +00:00
allocsize-32.ll
Add the allocsize attribute to LLVM.
2016-04-12 01:05:35 +00:00
allocsize.ll
Add the allocsize attribute to LLVM.
2016-04-12 01:05:35 +00:00
amdgcn-intrinsics.ll
AMDGPU: Do basic folding of class intrinsic
2016-09-03 07:06:58 +00:00
and2.ll
[InstCombine] add tests to show type limitations of InsertRangeTest and callers
2016-08-30 23:16:59 +00:00
and-compare.ll
[InstCombine] use m_APInt to allow icmp (and X, Y), C folds for splat constant vectors
2016-08-28 18:18:00 +00:00
and-fcmp.ll
[InstCombine] Simplify and correct folding fcmps with the same children
2016-06-29 20:10:17 +00:00
and-not-or.ll
…
and-or-and.ll
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and-or-icmps.ll
[InstCombine] consolidate some icmp+logic tests and improve checks
2016-06-20 18:40:37 +00:00
and-or-not.ll
use FileCheck for tighter checking
2016-03-16 23:20:20 +00:00
and-or.ll
[InstCombine] regenerate checks
2016-04-05 17:24:54 +00:00
and-xor-merge.ll
…
and-xor-or.ll
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and.ll
[InstCombine] allow vector types for constant folding / computeKnownBits (PR24942)
2016-09-16 21:20:36 +00:00
apint-add.ll
[InstCombine] fold add(zext(xor X, C), C) --> sext X when C is INT_MIN in the source type
2016-07-19 22:09:34 +00:00
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
[InstCombine] regenerate checks
2016-04-05 17:24:54 +00:00
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-or.ll
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apint-rem1.ll
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apint-rem2.ll
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apint-select.ll
[InstCombine] LogicOpc (zext X), C --> zext (LogicOpc X, C) (PR28476)
2016-07-21 00:24:18 +00:00
apint-shift-simplify.ll
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apint-shift.ll
[InstCombine] use m_APInt to allow icmp (and (sh X, Y), C2), C1 folds for splat constant vectors
2016-09-07 22:33:03 +00:00
apint-shl-trunc.ll
[InstCombine] use m_APInt to allow icmp (and (sh X, Y), C2), C1 folds for splat constant vectors
2016-09-07 22:33:03 +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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assoc-cast-assoc.ll
[InstCombine] LogicOpc (zext X), C --> zext (LogicOpc X, C) (PR28476)
2016-07-21 00:24:18 +00:00
assume2.ll
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assume-loop-align.ll
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assume-redundant.ll
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assume.ll
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atomic.ll
Reapply 267210 with fix for PR27490
2016-05-06 22:17:01 +00:00
badmalloc.ll
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binop-cast.ll
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bit-checks.ll
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bit-tracking.ll
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bitcast-alias-function.ll
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bitcast-bigendian.ll
[InstCombine] regenerate checks
2016-09-12 00:12:56 +00:00
bitcast-bitcast.ll
[InstCombine] allow any pair of bitcasts to be combined
2015-12-12 00:33:36 +00:00
bitcast-sext-vector.ll
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bitcast-store.ll
InstCombine: Don't combine loads/stores from swifterror to a new type
2016-09-10 18:14:57 +00:00
bitcast-vec-canon.ll
[InstCombine] canonicalize (bitcast (extractelement X)) --> (extractelement(bitcast X))
2015-12-12 16:44:48 +00:00
bitcast.ll
[InstCombine] regenerate checks
2016-09-12 00:08:33 +00:00
bitcount.ll
…
bitreverse-fold.ll
Implement constant folding for bitreverse
2016-03-21 15:00:35 +00:00
bitreverse-hang.ll
[InstCombine] Rewrite bswap/bitreverse handling completely.
2016-01-15 09:20:19 +00:00
bittest.ll
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blend_x86.ll
[InstCombine] canonicalize vector select with constant vector condition to shuffle
2016-09-16 22:16:18 +00:00
branch.ll
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bswap-fold.ll
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bswap-known-bits.ll
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bswap.ll
[InstCombine] Catch more bswap cases missed due to zext and truncs.
2016-05-26 14:58:51 +00:00
builtin-object-size-offset.ll
Calculate __builtin_object_size when pointer depends on a condition
2016-04-13 12:25:25 +00:00
builtin-object-size-ptr.ll
Reland r262337 "calculate builtin_object_size if arg is a removable pointer"
2016-03-09 14:12:47 +00:00
call2.ll
…
call_nonnull_arg.ll
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call-cast-target-inalloca.ll
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call-cast-target.ll
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call-intrinsics.ll
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call.ll
Don't remove side effecting instructions due to ConstantFoldInstruction
2016-07-22 04:54:44 +00:00
canonicalize_branch.ll
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cast_ptr.ll
…
cast-call-combine.ll
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cast-callee-deopt-bundles.ll
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cast-int-fcmp-eq-0.ll
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cast-mul-select.ll
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cast-set.ll
auto-ggenerate checks
2016-07-16 16:24:06 +00:00
cast.ll
[InstCombine] remove fold of an icmp pattern that should never happen
2016-09-01 14:20:43 +00:00
ceil.ll
…
compare-alloca.ll
…
compare-signs.ll
[InstCombine] use m_APInt to allow icmp (trunc X, Y), C folds for splat constant vectors
2016-08-18 20:28:54 +00:00
compare-udiv.ll
[InstCombine] use m_APInt to allow icmp (udiv X, Y), C folds for splat constant vectors
2016-08-18 17:55:59 +00:00
compare-unescaped.ll
Fold compares irrespective of whether allocation can be elided
2016-05-03 14:58:21 +00:00
constant-expr-datalayout.ll
…
constant-fold-address-space-pointer.ll
…
constant-fold-alias.ll
…
constant-fold-compare.ll
…
constant-fold-gep.ll
…
constant-fold-hang.ll
…
constant-fold-math.ll
…
convergent.ll
InstCombine: Don't strip convergent from intrinsic callsites
2016-06-20 19:04:44 +00:00
copysign.ll
…
cos-1.ll
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cos-2.ll
[LibCallSimplifier] don't get fooled by a fake sqrt()
2016-01-20 17:41:14 +00:00
cos-intrinsic.ll
Propagate Undef in llvm.cos Intrinsic
2016-04-08 18:21:11 +00:00
CPP_min_max.ll
…
crash.ll
…
ctpop.ll
…
dce-iterate.ll
…
deadcode.ll
…
debug-line.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
debuginfo.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
default-alignment.ll
…
demand_shrink_nsw.ll
…
demorgan-zext.ll
[InstCombine] LogicOpc (zext X), C --> zext (LogicOpc X, C) (PR28476)
2016-07-21 00:24:18 +00:00
disable-simplify-libcalls.ll
…
distribute.ll
…
div-shift-crash.ll
…
div-shift.ll
[InstCombine] regenerate checks
2016-05-02 15:06:55 +00:00
div.ll
[InstCombine] allow icmp (div X, Y), C folds for splat constant vectors
2016-08-31 21:57:21 +00:00
double-float-shrink-1.ll
[LibCallSimplifier] don't get fooled by a fake fmin()
2016-01-21 20:19:54 +00:00
double-float-shrink-2.ll
…
enforce-known-alignment.ll
…
err-rep-cold.ll
…
exact.ll
[InstCombine] add tests to show missing vector folds
2016-09-12 15:51:42 +00:00
exp2-1.ll
AMDGPU: mark ldexp LibCalls as unavailable
2015-12-15 17:24:15 +00:00
exp2-2.ll
…
ExtractCast.ll
…
extractvalue.ll
Instcombine: destructor loads of structs that do not contains padding
2015-12-15 01:44:07 +00:00
fabs.ll
transform obscured FP sign bit ops into a fabs/fneg using TLI hook
2016-06-02 20:01:37 +00:00
fast-math-scalarization.ll
Fix an issue where fast math flags were dropped during scalarization.
2016-03-01 19:35:52 +00:00
fast-math.ll
[LibCallSimplifier] don't allow sqrt transform unless all ops are unsafe
2016-01-11 22:50:36 +00:00
fcmp-select.ll
…
fcmp-special.ll
regenerate checks
2016-06-05 17:29:45 +00:00
fcmp.ll
…
fdiv.ll
…
ffs-1.ll
…
float-shrink-compare.ll
…
fmul.ll
InstCombine: fabs(x) * fabs(x) -> x * x
2016-01-30 05:02:00 +00:00
fneg-ext.ll
…
fold-bin-operand.ll
…
fold-calls.ll
…
fold-fops-into-selects.ll
…
fold-phi-load-metadata.ll
Don't passively concatenate MDNodes
2016-08-16 18:48:34 +00:00
fold-phi.ll
…
fold-sqrt-sqrtf.ll
…
fold-vector-select.ll
…
fold-vector-zero.ll
…
fp-ret-bitcast.ll
…
fpcast.ll
…
fpextend_x86.ll
…
fpextend.ll
…
fprintf-1.ll
[IR] Straighten out bundle overload of IRBuilder::CreateCall
2016-02-18 20:57:41 +00:00
fputs-1.ll
…
fputs-opt-size.ll
Code size optimisation: don't rewrite fputs to fwrite when optimising for size
2016-07-07 13:56:23 +00:00
fsub.ll
…
fwrite-1.ll
…
gc.relocate.ll
Don't propagate dereferenceable attribute through gc.relocate in InstCombine
2016-02-11 11:22:46 +00:00
gep-addrspace.ll
…
gep-sext.ll
…
gepgep.ll
…
gepphigep.ll
…
getelementptr-folding.ll
[ConstantFold] Fix incorrect index rewrites for GEPs
2016-05-26 07:08:05 +00:00
getelementptr.ll
[InstCombine] use m_APInt to allow icmp (shl X, Y), C folds for splat constant vectors, part 1
2016-08-19 22:33:26 +00:00
hoist_instr.ll
…
icmp-div-constant.ll
fix FileCheck variables for test added with r280677
2016-09-05 23:49:32 +00:00
icmp-logical.ll
…
icmp-range.ll
…
icmp-shr.ll
[InstCombine] allow icmp (shr/shl) folds for vectors
2016-09-15 21:35:30 +00:00
icmp-vec.ll
[InstCombine] use m_APInt to allow icmp ult X, C folds for splat constant vectors
2016-09-09 21:59:37 +00:00
icmp.ll
[InstCombine] allow icmp (shr/shl) folds for vectors
2016-09-15 21:35:30 +00:00
idioms.ll
…
indexed-gep-compares.ll
[InstCombine] Do not RAUW a constant GEP
2016-09-15 20:10:09 +00:00
inline-intrinsic-assert.ll
[LibCallSimplifier] use instruction-level fast-math-flags to transform sqrt calls
2016-01-11 22:34:19 +00:00
insert-const-shuf.ll
[InsttCombine] fold insertelement of constant into shuffle with constant operand (PR29126)
2016-09-02 17:05:43 +00:00
insert-extract-shuffle.ll
[InstCombine] avoid an insertelement transformation that induces the opposite extractelement fold (PR26354)
2016-01-29 20:21:02 +00:00
insert-val-extract-elem.ll
Optimize store of "bitcast" from vector to aggregate.
2016-04-25 22:22:39 +00:00
IntPtrCast.ll
…
intrinsics.ll
Make cltz and cttz zero undef when the operand cannot be zero in InstCombine
2016-08-18 20:43:50 +00:00
invariant.ll
Revert "Revert "Invariant start/end intrinsics overloaded for address space""
2016-08-13 23:31:24 +00:00
invoke.ll
…
isascii-1.ll
…
isdigit-1.ll
…
JavaCompare.ll
…
known_align.ll
…
LandingPadClauses.ll
…
lifetime-asan.ll
Do not remove empty lifetime.start/lifetime.end ranges
2016-07-28 22:59:03 +00:00
lifetime.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
load3.ll
…
load_combine_aa.ll
…
load-bitcast32.ll
Re-apply r238452, the bug was in clang and was fixed in r260567.
2016-02-11 22:30:41 +00:00
load-bitcast64.ll
Re-apply r238452, the bug was in clang and was fixed in r260567.
2016-02-11 22:30:41 +00:00
load-cmp.ll
[InstCombine] regenerate checks
2016-05-02 15:21:41 +00:00
load-combine-metadata-2.ll
…
load-combine-metadata-3.ll
…
load-combine-metadata-4.ll
…
load-combine-metadata.ll
…
load-select.ll
…
load.ll
InstCombine: Don't combine loads/stores from swifterror to a new type
2016-09-10 18:14:57 +00:00
loadstore-alignment.ll
…
loadstore-metadata.ll
…
log-pow-nofastmath.ll
[SimplifyLibCalls] Remove useless bits of this tests.
2015-11-30 19:38:35 +00:00
log-pow.ll
Don't remove side effecting instructions due to ConstantFoldInstruction
2016-07-22 04:54:44 +00:00
logical-select.ll
[InstCombine] canonicalize vector select with constant vector condition to shuffle
2016-09-16 22:16:18 +00:00
lshr-phi.ll
…
malloc-free-delete.ll
[Analysis] Become aware of MSVC's new/delete functions
2015-12-03 22:45:19 +00:00
masked_intrinsics.ll
[InstCombine] Masked loads with undef masks can fold to normal loads
2016-07-14 06:58:42 +00:00
max-of-nots.ll
…
maxnum.ll
…
mem-gep-zidx.ll
Fix a typo in rL265762
2016-04-17 04:30:43 +00:00
mem-par-metadata-memcpy.ll
[InstCombine] Preserve llvm.mem.parallel_loop_access metadata when replacing
2016-09-04 07:49:39 +00:00
memchr.ll
[InstCombine] regenerate checks
2016-05-02 15:25:49 +00:00
memcmp-1.ll
…
memcmp-2.ll
…
memcpy_chk-1.ll
…
memcpy_chk-2.ll
…
memcpy-1.ll
…
memcpy-2.ll
…
memcpy-from-global.ll
…
memcpy-to-load.ll
…
memcpy.ll
…
memmove_chk-1.ll
…
memmove_chk-2.ll
…
memmove-1.ll
…
memmove-2.ll
…
memmove.ll
…
memset2.ll
…
memset_chk-1.ll
Re-apply r238452, the bug was in clang and was fixed in r260567.
2016-02-11 22:30:41 +00:00
memset_chk-2.ll
…
memset-1.ll
[LibCallSimplifier] fold memset(malloc(x), 0, x) --> calloc(1, x)
2016-01-26 16:17:24 +00:00
memset-2.ll
…
memset.ll
…
merge-icmp.ll
…
min-positive.ll
[InstCombine] allow (icmp sgt smin(PosA, B), 0) fold for vectors
2016-09-15 16:23:20 +00:00
minmax-fold.ll
…
minmax-fp.ll
[ValueTracking] matchSelectPattern needs to be more careful around FP
2016-04-29 18:40:34 +00:00
minnum.ll
…
misc-2002.ll
[InstCombine] regenerate checks
2016-04-05 17:24:54 +00:00
mul-masked-bits.ll
[InstCombine] regenerate checks
2016-04-05 17:24:54 +00:00
mul.ll
…
multi-size-address-space-pointer.ll
…
multi-use-or.ll
…
narrow-switch.ll
[InstCombine] shrink switch conditions better (PR24766)
2016-06-30 14:51:21 +00:00
narrow.ll
…
neon-intrinsics.ll
…
no_cgscc_assert.ll
[LibCallSimplifier] use instruction-level fast-math-flags to transform sqrt calls
2016-01-11 22:34:19 +00:00
no-negzero.ll
…
non-integral-pointers.ll
[InstCombine] Don't coerce non-integral pointers to integers
2016-08-06 02:58:48 +00:00
nonnull-attribute.ll
…
not-fcmp.ll
…
not.ll
…
nothrow.ll
…
nsw.ll
…
obfuscated_splat.ll
…
objsize-64.ll
…
objsize-address-space.ll
…
objsize-noverify.ll
…
objsize.ll
…
odr-linkage.ll
…
onehot_merge.ll
…
opaque.ll
[InstCombine] Fix assertion when bitcast is converted to gep
2016-05-23 19:23:17 +00:00
or-fcmp.ll
[InstCombine] Simplify and correct folding fcmps with the same children
2016-06-29 20:10:17 +00:00
or-to-xor.ll
update tests to use FileCheck
2016-06-25 17:39:10 +00:00
or-xor.ll
[InstCombine] add tests to show pattern matching failures due to commutation
2016-09-09 16:35:20 +00:00
or.ll
[InstCombine] add tests to show pattern matching failures due to commutation
2016-09-09 16:35:20 +00:00
osx-names.ll
…
overflow-mul.ll
…
overflow.ll
…
OverlappingInsertvalues.ll
…
phi-load-metadata-2.ll
…
phi-load-metadata-3.ll
…
phi-load-metadata.ll
…
phi-merge-gep.ll
…
phi-preserve-ir-flags.ll
[InstCombine] Preserve fast math flags when combining PHIs
2016-04-22 11:21:36 +00:00
phi-select-constexpr.ll
…
phi.ll
Revert "[ValueTracking] Teach computeKnownBits for PHI nodes to compute sign bit for a recurrence with a NSW addition."
2016-06-29 04:57:00 +00:00
pow-1.ll
[SLC] Emit an intrinsic instead of a libcall for pow.
2016-08-07 20:27:03 +00:00
pow-2.ll
…
pow-3.ll
…
pow-4.ll
[LibCallSimplifier] use instruction-level fast-math-flags to transform pow(x, [small integer]) calls
2016-01-19 18:15:12 +00:00
pow-exp-nofastmath.ll
…
pow-exp.ll
[LibCallSimplifier] use instruction-level fast-math-flags to transform pow(exp(x)) calls
2016-01-12 17:30:37 +00:00
pow-sqrt.ll
[SimplifyLibCalls] Restore the old behaviour, emit a libcall.
2016-08-10 06:33:32 +00:00
pr2645-0.ll
…
pr2645-1.ll
…
pr2996.ll
…
pr12251.ll
…
pr12338.ll
…
pr17827.ll
[InstCombine] use m_APInt to allow icmp ult X, C folds for splat constant vectors
2016-09-09 21:59:37 +00:00
pr19420.ll
…
pr20079.ll
…
pr20678.ll
[ConstantFolding, ValueTracking] Fold constants involving bitcasts of ConstantVector
2016-05-04 06:13:33 +00:00
pr21199.ll
…
pr21210.ll
[InstCombine] Sharpended test case in pr21210.ll
2016-04-27 17:19:54 +00:00
pr21651.ll
[InstCombine] shrink switch conditions better (PR24766)
2016-06-30 14:51:21 +00:00
pr21891.ll
…
pr23751.ll
…
pr23809.ll
…
pr24354.ll
…
pr24605.ll
…
pr25745.ll
[InstCombine] Call getCmpPredicateForMinMax only with a valid SPF
2015-12-05 23:44:22 +00:00
pr26992.ll
[InstCombine] Don't insert instructions before a catch switch
2016-03-19 04:39:52 +00:00
pr26993.ll
[SimplifyLibCalls] Only consider sinpi/cospi functions within the same function
2016-03-19 04:53:02 +00:00
pr27236.ll
[InstCombine] Fix miscompile in FoldSPFofSPF
2016-04-08 16:51:49 +00:00
pr27332.ll
[InstCombine] Don't transform compares of calls to functions named fabs{f,l,}
2016-04-15 17:21:03 +00:00
pr28143.ll
[TargetLibraryInfo] Teach isValidProtoForLibFunc about tan
2016-06-15 16:47:23 +00:00
preserve-sminmax.ll
…
prevent-cmp-merge.ll
[InstCombine] Don't aggressively replace xor with icmp
2016-02-12 18:12:38 +00:00
printf-1.ll
Optimize a printf with a double procent to putchar.
2016-05-09 14:36:16 +00:00
printf-2.ll
[SimplifyLibCalls] Transform printf("%s", "a") -> putchar('a').
2016-03-28 15:54:01 +00:00
printf-3.ll
Add test for r256912
2016-01-07 19:27:16 +00:00
ptr-int-cast.ll
…
puts-1.ll
…
range-check.ll
…
README.txt
…
rem.ll
[InstCombine] use m_APInt to allow icmp eq (srem X, C1), C2 folds for splat constant vectors
2016-08-03 19:48:40 +00:00
round.ll
…
sdiv-1.ll
…
sdiv-2.ll
…
select_meta.ll
[Profile] Propagate branch metadata properly in instcombine
2016-08-25 00:26:32 +00:00
select-2.ll
…
select-bitext.ll
[InstCombine] try to fold (select C, (sext A), B) into logical ops
2016-08-05 08:22:29 +00:00
select-cmp-br.ll
…
select-cmp-cttz-ctlz.ll
…
select-crash-noverify.ll
…
select-crash.ll
…
select-extractelement.ll
…
select-implied.ll
[ValueTracking] Improve isImpliedCondition for matching LHS and Imm RHSs.
2016-05-05 15:39:18 +00:00
select-load-call.ll
…
select-select.ll
…
select.ll
[InstCombine] canonicalize vector select with constant vector condition to shuffle
2016-09-16 22:16:18 +00:00
set.ll
fix checks
2016-06-05 17:54:56 +00:00
setcc-strength-reduce.ll
…
sext.ll
[ValueTracking] Teach computeKnownBits about [su]min/max
2016-08-06 08:16:00 +00:00
shift-shift.ll
[InstCombine] consolidate tests for related bugs
2016-04-11 17:58:37 +00:00
shift-sra.ll
…
shift.ll
[InstCombine] use m_APInt to allow icmp X, C folds for splat constant vectors
2016-09-12 16:25:41 +00:00
shufflemask-undef.ll
…
shufflevec-constant.ll
[InstCombine] regenerate checks
2016-04-05 17:24:54 +00:00
sign-test-and-or.ll
minimize tests and auto-generate checks
2016-07-20 17:58:20 +00:00
signed-comparison.ll
[InstCombine] allow vector constants for cast+icmp fold
2016-06-04 22:04:05 +00:00
signext.ll
auto-generate checks
2016-07-16 16:27:58 +00:00
simplify-demanded-bits-pointer.ll
…
simplify-libcalls.ll
…
sincospi.ll
…
sink_instruction.ll
[InstCombine] Allow sinking from unique predecessor with multiple edges
2016-08-22 18:21:56 +00:00
sink-into-catchswitch.ll
[InstCombine] Don't sink an instr after a catchswitch
2016-04-01 17:28:17 +00:00
sitofp.ll
…
sprintf-1.ll
Revert "[SimplifyLibCalls] sprintf doesn't copy null bytes"
2016-04-26 21:04:47 +00:00
sqrt-nofast.ll
…
sqrt.ll
…
srem1.ll
…
srem-simplify-bug.ll
…
srem.ll
…
stack-overalign.ll
…
stacksaverestore.ll
[InstCombine] Be more conservative about removing stackrestore
2016-02-27 00:53:54 +00:00
statepoint.ll
[gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type
2015-12-26 07:54:32 +00:00
store.ll
[InstCombine] Extend peephole DSE to handle unordered atomics
2015-12-17 22:19:27 +00:00
stpcpy_chk-1.ll
…
stpcpy_chk-2.ll
…
stpcpy-1.ll
…
stpcpy-2.ll
…
strcat-1.ll
…
strcat-2.ll
…
strcat-3.ll
…
strchr-1.ll
…
strchr-2.ll
…
strcmp-1.ll
…
strcmp-2.ll
…
strcpy_chk-1.ll
…
strcpy_chk-2.ll
…
strcpy_chk-64.ll
…
strcpy-1.ll
…
strcpy-2.ll
…
strcspn-1.ll
…
strcspn-2.ll
…
strlen-1.ll
Simplify strlen to a subtraction for certain cases.
2016-04-13 14:31:06 +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
…
strrchr-2.ll
…
strspn-1.ll
…
strstr-1.ll
…
strstr-2.ll
…
strto-1.ll
[attrs] Extract the pure inference of function attributes into
2015-12-27 08:41:34 +00:00
struct-assign-tbaa.ll
…
sub-xor.ll
…
sub.ll
[InstCombine] regenerate checks
2016-09-08 21:40:21 +00:00
switch-truncate-crash.ll
…
tan-nofastmath.ll
…
tan.ll
[LibCallSimplifier] use instruction-level fast-math-flags for tan/atan transform
2016-01-06 19:23:35 +00:00
tbaa-store-to-load.ll
[InstCombine] Don't widen metadata on store-to-load forwarding
2016-06-16 02:33:42 +00:00
toascii-1.ll
…
token.ll
[InstructionCombining] prepareICWorklistFromFunction halts in infinite loop with instructions of token type
2016-01-04 23:28:57 +00:00
trunc.ll
[InstCombine] allow vector types for constant folding / computeKnownBits (PR24942)
2016-09-16 21:20:36 +00:00
type_pun.ll
…
udiv_select_to_select_shift.ll
…
udiv-simplify.ll
[InstCombine] Merged two test files and regenerated checks using update_test_checks.py. NFC.
2016-09-14 14:18:21 +00:00
udivrem-change-width.ll
…
unordered-fcmp-select.ll
…
unpack-fca.ll
Explode store of arrays in instcombine
2016-03-02 22:36:45 +00:00
urem-simplify-bug.ll
…
urem.ll
[InstCombine] fold X urem C -> X < C ? X : X - C when C is big (PR28672)
2016-09-22 22:36:26 +00:00
vararg.ll
[InstCombine] Remove trivially empty va_start/va_end and va_copy/va_end ranges.
2016-05-10 09:24:49 +00:00
vec_demanded_elts.ll
[InstCombine] canonicalize vector select with constant vector condition to shuffle
2016-09-16 22:16:18 +00:00
vec_extract_2elts.ll
…
vec_extract_elt.ll
…
vec_extract_var_elt.ll
…
vec_insertelt.ll
…
vec_narrow.ll
…
vec_phi_extract.ll
[InstCombine] scalarizePHI should not assume the code it sees has been CSE'd
2016-06-06 23:38:33 +00:00
vec_sext.ll
[InstCombine] use m_APInt to allow icmp X, C folds for splat constant vectors
2016-09-12 16:25:41 +00:00
vec_shuffle.ll
…
vector_gep1.ll
…
vector_gep2.ll
…
vector_insertelt_shuffle.ll
[InstCombine] Add test for insertelementinsts with constants.
2016-09-02 09:00:53 +00:00
vector-casts.ll
[InstCombine] try to fold (select C, (sext A), B) into logical ops
2016-08-05 08:22:29 +00:00
vector-mul.ll
…
vector-srem.ll
…
vector-type.ll
…
volatile_store.ll
[InstCombine] regenerate checks
2016-04-05 17:24:54 +00:00
vsx-unaligned.ll
…
weak-symbols.ll
…
win-math.ll
…
x86-avx2.ll
[InstCombine][SSE] Added support to VPERMD/VPERMPS to shuffle combine to accept UNDEF elements.
2016-05-01 20:43:02 +00:00
x86-avx.ll
Dropped FIXME comment
2016-05-01 20:33:25 +00:00
x86-crc32-demanded.ll
…
x86-f16c.ll
[InstCombine][X86] Regenerate SSE combine tests as part of setup for D17490
2016-04-19 12:56:46 +00:00
x86-insertps.ll
[InstCombine][X86] Regenerate insertps combine tests
2016-09-08 16:15:21 +00:00
x86-masked-memops.ll
[InstCombine][X86] Regenerate masked memory op combine tests
2016-09-08 16:32:37 +00:00
x86-movmsk.ll
[InstCombine][SSE] Add MOVMSK constant folding (PR27982)
2016-06-07 08:18:35 +00:00
x86-pshufb.ll
[InstCombine][SSE] Added support to PSHUFB to shuffle combine to accept UNDEF elements.
2016-05-01 19:26:21 +00:00
x86-sse2.ll
[InstCombine][SSE] Reduce DIVSS/DIVSD to FDIV if only first element is required
2016-04-24 18:35:59 +00:00
x86-sse4a.ll
[ConstantFold] Improve the bitcast folding logic for constant vectors.
2016-09-13 14:50:47 +00:00
x86-sse41.ll
[InstCombine][SSE] Demanded vector elements for scalar intrinsics (Part 2 of 2)
2016-04-24 18:23:14 +00:00
x86-sse.ll
[InstCombine][SSE] Reduce DIVSS/DIVSD to FDIV if only first element is required
2016-04-24 18:35:59 +00:00
x86-vector-shifts.ll
[InstCombine][AVX2] Add support for simplifying AVX2 per-element shifts to native shifts
2016-06-07 10:27:15 +00:00
x86-vperm2.ll
[InstCombine][X86] Regenerate vperm2f128/vperm2i128 combine tests
2016-09-08 16:30:46 +00:00
x86-xop.ll
[InstCombine][SSE] Demanded vector elements for scalar intrinsics (Part 2 of 2)
2016-04-24 18:23:14 +00:00
xor2.ll
[InstCombine] add tests to show pattern matching failures due to commutation
2016-09-09 16:35:20 +00:00
xor-undef.ll
…
xor.ll
[InstCombine] use m_APInt to allow icmp (binop X, Y), C folds with constant splat vectors
2016-08-03 18:59:03 +00:00
zero-point-zero-add.ll
[InstCombine] We folded an fcmp to an i1 instead of a vector of i1
2016-04-13 06:55:52 +00:00
zeroext-and-reduce.ll
[InstCombine] LogicOpc (zext X), C --> zext (LogicOpc X, C) (PR28476)
2016-07-21 00:24:18 +00:00
zext-bool-add-sub.ll
add more tests for PR30273
2016-09-12 22:28:29 +00:00
zext-fold.ll
[InstCombine] regenerate checks
2016-04-05 17:24:54 +00:00
zext-or-icmp.ll
[InstCombine] Refactor optimization of zext(or(icmp, icmp)) to enable more aggressive cast-folding
2016-08-03 19:30:35 +00:00
zext.ll
[InstCombine] Refactor optimization of zext(or(icmp, icmp)) to enable more aggressive cast-folding
2016-08-03 19:30:35 +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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