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llvm-6502/test/Transforms/InstCombine
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Nick Lewycky c1a2a61201 Don't try to simplify urem and srem using arithmetic rules that don't work 
under modulo (overflow). Fixes PR1933.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47987 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-06 06:48:30 +00:00
..
2002-03-11-InstCombineHang.ll
Remove llvm-upgrade and update test cases.
2008-03-01 09:15:35 +00:00
2002-05-14-SubFailure.ll
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2002-05-14-TouchDeletedInst.ll
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2008-03-01 09:15:35 +00:00
2002-08-02-CastTest.ll
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2008-03-01 09:15:35 +00:00
2002-09-17-GetElementPtrCrash.ll
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2008-03-01 09:15:35 +00:00
2002-12-05-MissedConstProp.ll
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2008-03-01 09:15:35 +00:00
2003-05-26-CastMiscompile.ll
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2008-03-01 09:15:35 +00:00
2003-05-27-ConstExprCrash.ll
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2008-03-01 09:15:35 +00:00
2003-06-05-BranchInvertInfLoop.ll
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2008-03-01 09:15:35 +00:00
2003-06-22-ConstantExprCrash.ll
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2008-03-01 09:15:35 +00:00
2003-07-21-ExternalConstant.ll
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2008-03-01 09:15:35 +00:00
2003-08-12-AllocaNonNull.ll
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2008-03-01 09:15:35 +00:00
2003-09-09-VolatileLoadElim.ll
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2008-03-01 09:15:35 +00:00
2003-10-23-InstcombineNullFail.ll
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2008-03-01 09:15:35 +00:00
2003-10-29-CallSiteResolve.ll
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2008-03-01 09:15:35 +00:00
2003-11-03-VarargsCallBug.ll
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2008-03-01 09:15:35 +00:00
2003-11-13-ConstExprCastCall.ll
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2008-03-01 09:15:35 +00:00
2004-01-13-InstCombineInvokePHI.ll
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2008-03-01 09:15:35 +00:00
2004-02-23-ShiftShiftOverflow.ll
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2008-03-01 09:15:35 +00:00
2004-03-13-InstCombineInfLoop.ll
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2008-03-01 09:15:35 +00:00
2004-04-04-InstCombineReplaceAllUsesWith.ll
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2008-03-01 09:15:35 +00:00
2004-05-07-UnsizedCastLoad.ll
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2008-03-01 09:15:35 +00:00
2004-07-27-ConstantExprMul.ll
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2008-03-01 09:15:35 +00:00
2004-08-09-RemInfLoop.llx
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2008-03-01 09:15:35 +00:00
2004-08-10-BoolSetCC.ll
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2008-03-01 09:15:35 +00:00
2004-09-20-BadLoadCombine2.llx
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2008-03-01 09:15:35 +00:00
2004-09-20-BadLoadCombine.llx
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2008-03-01 09:15:35 +00:00
2004-09-28-BadShiftAndSetCC.llx
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2008-03-01 09:15:35 +00:00
2004-11-22-Missed-and-fold.ll
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2008-03-01 09:15:35 +00:00
2004-11-27-SetCCForCastLargerAndConstant.ll
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2008-03-01 09:15:35 +00:00
2004-12-08-InstCombineCrash.ll
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2008-03-01 09:15:35 +00:00
2004-12-08-RemInfiniteLoop.ll
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2008-03-01 09:15:35 +00:00
2005-03-04-ShiftOverflow.ll
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2008-03-01 09:15:35 +00:00
2005-04-07-UDivSelectCrash.ll
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2008-03-01 09:15:35 +00:00
2005-06-15-DivSelectCrash.ll
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2008-03-01 09:15:35 +00:00
2005-06-15-ShiftSetCCCrash.ll
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2008-03-01 09:15:35 +00:00
2005-06-16-RangeCrash.ll
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2008-03-01 09:15:35 +00:00
2005-06-16-SetCCOrSetCCMiscompile.ll
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2008-03-01 09:15:35 +00:00
2005-07-07-DeadPHILoop.ll
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2008-03-01 09:15:35 +00:00
2006-02-07-SextZextCrash.ll
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2008-03-01 09:15:35 +00:00
2006-02-13-DemandedMiscompile.ll
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2008-03-01 09:15:35 +00:00
2006-02-28-Crash.ll
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2008-03-01 09:15:35 +00:00
2006-03-30-ExtractElement.ll
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2008-03-01 09:15:35 +00:00
2006-04-01-InfLoop.ll
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2008-03-01 09:15:35 +00:00
2006-04-28-ShiftShiftLongLong.ll
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2008-03-01 09:15:35 +00:00
2006-05-04-DemandedBitCrash.ll
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2008-03-01 09:15:35 +00:00
2006-05-06-Infloop.ll
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2008-03-01 09:15:35 +00:00
2006-06-28-infloop.ll
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2008-03-01 09:15:35 +00:00
2006-09-11-EmptyStructCrash.ll
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2008-03-01 09:15:35 +00:00
2006-09-15-CastToBool.ll
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2008-03-01 09:15:35 +00:00
2006-10-19-SignedToUnsignedCastAndConst-2.ll
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2008-03-01 09:15:35 +00:00
2006-10-19-SignedToUnsignedCastAndConst.ll
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2008-03-01 09:15:35 +00:00
2006-10-20-mask.ll
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2008-03-01 09:15:35 +00:00
2006-10-26-VectorReassoc.ll
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2008-03-01 09:15:35 +00:00
2006-11-03-Memmove64.ll
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2008-03-01 09:15:35 +00:00
2006-11-10-ashr-miscompile.ll
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2008-03-01 09:15:35 +00:00
2006-11-27-XorBug.ll
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2008-03-01 09:15:35 +00:00
2006-12-01-BadFPVectorXform.ll
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2008-03-01 09:15:35 +00:00
2006-12-05-fp-to-int-ext.ll
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2008-03-01 09:15:35 +00:00
2006-12-08-ICmp-Combining.ll
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2008-03-01 09:15:35 +00:00
2006-12-08-Phi-ICmp-Op-Fold.ll
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2008-03-01 09:15:35 +00:00
2006-12-08-Select-ICmp.ll
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2008-03-01 09:15:35 +00:00
2006-12-10-ICmp-GEP-GEP.ll
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2008-03-01 09:15:35 +00:00
2006-12-15-Range-Test.ll
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2008-03-01 09:15:35 +00:00
2006-12-23-Select-Cmp-Cmp.ll
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2008-03-01 09:15:35 +00:00
2007-01-13-ExtCompareMiscompile.ll
this test is now compiled into the right thing.
2008-01-28 17:38:46 +00:00
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
Remove llvm-upgrade and update test cases.
2008-03-01 09:15:35 +00:00
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
Testcase for PR1678.
2007-09-20 18:56:24 +00:00
2007-10-10-EliminateMemCpy.ll
This test now passes.
2007-10-19 17:11:01 +00:00
2007-10-12-Crash.ll
Fix a bug in my patch last night that broke InstCombine/2007-10-12-Crash.ll
2007-10-12 18:05:47 +00:00
2007-10-28-EmptyField.ll
Fix PR1749 and InstCombine/2007-10-28-EmptyField.ll by handling
2007-10-29 02:40:02 +00:00
2007-10-28-stacksave.ll
Model stacksave and stackrestore as both writing memory, since we
2007-10-29 05:47:52 +00:00
2007-10-31-RangeCrash.ll
Fix InstCombine/2007-10-31-RangeCrash.ll
2007-11-01 02:18:41 +00:00
2007-10-31-StringCrash.ll
Fix InstCombine/2007-10-31-StringCrash.ll by removing an obvious
2007-11-01 02:30:35 +00:00
2007-11-07-OpaqueAlignCrash.ll
Better check
2007-11-08 18:45:15 +00:00
2007-11-15-CompareMiscomp.ll
Fix PR1800 by correcting mistaken logic.
2007-11-16 06:04:17 +00:00
2007-11-22-IcmpCrash.ll
Fix PR1817.
2007-11-22 23:47:13 +00:00
2007-11-25-CompatibleAttributes.ll
Fix PR1816. If a bitcast of a function only exists because of a
2007-11-25 14:10:56 +00:00
2007-12-10-ConstFoldCompare.ll
Fix PR1850 by removing an unsafe transformation from VMCore/ConstantFold.cpp.
2007-12-10 22:53:04 +00:00
2007-12-12-GEPScale.ll
1. "Upgrage" comments.
2007-12-12 15:21:32 +00:00
2007-12-16-AsmNoUnwind.ll
Make instcombine promote inline asm calls to 'nounwind'
2007-12-16 15:51:49 +00:00
2007-12-18-AddSelCmpSub.ll
Remove an orthogonal transformation of the selection condition from my most recent submission.
2007-12-18 20:30:28 +00:00
2007-12-28-IcmpSub2.ll
Add a testcase for my recent InstCombine fix, written by Nicholas.
2007-12-28 21:08:43 +00:00
2008-01-06-BitCastAttributes.ll
When turning a call to a bitcast function into a direct call,
2008-01-13 08:02:44 +00:00
2008-01-06-CastCrash.ll
When transforming a call to a bitcast function into
2008-01-06 10:12:28 +00:00
2008-01-06-VoidCast.ll
When transforming a call to a bitcast function into
2008-01-06 10:12:28 +00:00
2008-01-13-AndCmpCmp.ll
Fix PR1907, a nasty miscompilation because instcombine didn't
2008-01-13 20:59:02 +00:00
2008-01-13-NoBitCastAttributes.ll
When turning a call to a bitcast function into a direct call,
2008-01-13 08:02:44 +00:00
2008-01-14-DoubleNest.ll
I noticed that the trampoline straightening transformation could
2008-01-14 19:52:09 +00:00
2008-01-14-VarArgTrampoline.ll
I noticed that the trampoline straightening transformation could
2008-01-14 19:52:09 +00:00
2008-01-21-MismatchedCastAndCompare.ll
Handle some more combinations of extend and icmp. Fixes PR1940.
2008-01-28 03:48:02 +00:00
2008-01-21-MulTrunc.ll
Multiply can be evaluated in a different type, so long as the target type has
2008-01-22 05:08:48 +00:00
2008-01-27-FloatSelect.ll
Fix PR1932 by disabling an xform invalid for fdiv.
2008-01-28 00:58:18 +00:00
2008-01-29-AddICmp.ll
Tag this test with the PR reference.
2008-02-03 16:35:19 +00:00
2008-02-04-GEPIdxBug.ll
Fix a bug compiling PR1978 (perhaps not the only one though) which
2008-02-05 04:45:32 +00:00
2008-02-16-SDivOverflow2.ll
Correctly fold divide-by-constant, even when faced with overflow.
2008-02-18 22:48:05 +00:00
2008-02-16-SDivOverflow.ll
Correctly fold divide-by-constant, even when faced with overflow.
2008-02-18 22:48:05 +00:00
2008-02-23-MulSub.ll
fix this test so that the fn name doesn't match the regex
2008-02-26 18:13:51 +00:00
2008-02-28-OrFCmpCrash.ll
Folding or(fcmp,fcmp) only works if the operands of the fcmps are the same fp type.
2008-02-29 06:09:11 +00:00
add2.ll
Implement PR1795, an instcombine hack for forming GEPs with integer pointer arithmetic.
2008-01-08 07:23:51 +00:00
add.ll
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addnegneg.ll
Fold (-x + -y) -> -(x+y) which promotes better association, fixing
2008-02-17 21:03:36 +00:00
align-inc.ll
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alloca.ll
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and2.ll
Implement a couple of foldings for ordered and unordered comparisons,
2007-10-24 05:38:08 +00:00
and-compare.ll
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and-or-and.ll
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and-or-not.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
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bitcast-vector-fold.ll
Implement constant folding if vector<->vector bitcasts where the number
2007-12-11 07:29:44 +00:00
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_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-propagate.ll
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cast-set.ll
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cast.ll
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CPP_min_max.llx
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deadcode.ll
dead calls to llvm.stacksave can be deleted, even though they
2007-12-29 00:59:12 +00:00
dg.exp
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div.ll
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fold-vector-zero.ll
Add support for folding binary operators with vector zero operands.
2007-10-30 19:00:49 +00:00
fpcast.ll
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fpextend.ll
Fold fptrunc(add (fpextend x), (fpextend y)) -> add(x,y), as GCC does.
2008-01-27 05:29:54 +00:00
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-setcc.ll
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getelementptr.ll
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hoist_instr.ll
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icmp.ll
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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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load.ll
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loadstore-alignment.ll
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malloc2.ll
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malloc3.ll
testcase for PR1728
2007-10-12 05:29:53 +00:00
malloc-free-delete.ll
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malloc.ll
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memcpy-to-load.ll
Turn a memcpy from a double* into a load/store of double instead of
2008-01-14 00:28:35 +00:00
memmove.ll
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mul.ll
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narrow.ll
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2008-03-01 09:15:35 +00:00
not-fcmp.ll
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not.ll
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2008-03-01 09:15:35 +00:00
or2.ll
Implement a couple of foldings for ordered and unordered comparisons,
2007-10-24 05:38:08 +00:00
or.ll
Remove llvm-upgrade and update test cases.
2008-03-01 09:15:35 +00:00
phi-merge.ll
Implement PR1777 by detecting dependent phis that
2007-11-06 21:52:06 +00:00
phi.ll
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2008-03-01 09:15:35 +00:00
README.txt
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rem.ll
Don't try to simplify urem and srem using arithmetic rules that don't work
2008-03-06 06:48:30 +00:00
select.ll
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2008-03-01 09:15:35 +00:00
set.ll
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2008-03-01 09:15:35 +00:00
setcc-cast-cast.ll
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2008-03-01 09:15:35 +00:00
setcc-strength-reduce.ll
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2008-03-01 09:15:35 +00:00
shift-simplify.ll
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shift-sra.ll
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2008-03-01 09:15:35 +00:00
shift-trunc-shift.ll
implement InstCombine/shift-trunc-shift.ll. This allows
2007-12-22 09:07:47 +00:00
shift.ll
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2008-03-01 09:15:35 +00:00
shl-trunc.ll
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2008-03-01 09:15:35 +00:00
signext.ll
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2008-03-01 09:15:35 +00:00
sink_instruction.ll
Remove llvm-upgrade and update test cases.
2008-03-01 09:15:35 +00:00
srem.ll
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stacksaverestore.ll
optimize away stackrestore calls that have no intervening alloca or call.
2008-02-18 06:12:38 +00:00
store-merge.ll
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store.ll
Remove llvm-upgrade and update test cases.
2008-03-01 09:15:35 +00:00
sub.ll
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2008-03-01 09:15:35 +00:00
udiv_select_to_select_shift.ll
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urem.ll
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vec_demanded_elts.ll
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vec_extract_elt.ll
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vec_insert_to_shuffle.ll
Remove llvm-upgrade and update test cases.
2008-03-01 09:15:35 +00:00
vec_insertelt.ll
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vec_narrow.ll
Remove llvm-upgrade and update test cases.
2008-03-01 09:15:35 +00:00
vec_shuffle.ll
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vector-srem.ll
Fix an abort in instcombine when folding creates a vector rem instruction.
2007-11-05 23:16:33 +00:00
volatile_store.ll
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xor2.ll
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xor.ll
Remove llvm-upgrade and update test cases.
2008-03-01 09:15:35 +00:00
zero-point-zero-add.ll
eliminate additions of 0.0 when they are obviously dead. This has to be careful to
2008-01-29 06:52:45 +00:00
zeroext-and-reduce.ll
Remove llvm-upgrade and update test cases.
2008-03-01 09:15:35 +00:00
zext-fold.ll
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zext.ll
Remove llvm-upgrade and update test cases.
2008-03-01 09:15:35 +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.