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llvm-6502/test/Transforms/InstCombine
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Chris Lattner d137ab4783 Fix PR2553 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53715 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-17 06:07:20 +00:00
..
2002-03-11-InstCombineHang.ll
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2002-05-14-SubFailure.ll
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2002-05-14-TouchDeletedInst.ll
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2002-08-02-CastTest.ll
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2002-09-17-GetElementPtrCrash.ll
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2002-12-05-MissedConstProp.ll
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2003-05-26-CastMiscompile.ll
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2003-05-27-ConstExprCrash.ll
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2003-06-05-BranchInvertInfLoop.ll
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2003-06-22-ConstantExprCrash.ll
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2003-07-21-ExternalConstant.ll
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2003-08-12-AllocaNonNull.ll
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2003-09-09-VolatileLoadElim.ll
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2003-10-23-InstcombineNullFail.ll
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2003-10-29-CallSiteResolve.ll
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2003-11-03-VarargsCallBug.ll
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2003-11-13-ConstExprCastCall.ll
Situations can arise when you have a function called that returns a 'void', but
2008-05-14 22:45:20 +00:00
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
Update old-style syntax in some "not grep" tests.
2008-05-01 23:50:07 +00:00
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
Eliminate questionable syntax for stdin redirection. This probably also speeds things up a bit.
2008-05-20 22:07:21 +00:00
2004-12-08-InstCombineCrash.ll
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2004-12-08-RemInfiniteLoop.ll
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2005-03-04-ShiftOverflow.ll
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2005-04-07-UDivSelectCrash.ll
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2005-06-15-DivSelectCrash.ll
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2005-06-15-ShiftSetCCCrash.ll
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2005-06-16-RangeCrash.ll
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2005-06-16-SetCCOrSetCCMiscompile.ll
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2005-07-07-DeadPHILoop.ll
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2006-02-07-SextZextCrash.ll
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2006-02-13-DemandedMiscompile.ll
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2006-02-28-Crash.ll
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2006-03-30-ExtractElement.ll
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2006-04-01-InfLoop.ll
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2006-04-28-ShiftShiftLongLong.ll
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2006-05-04-DemandedBitCrash.ll
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2006-05-06-Infloop.ll
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2006-06-28-infloop.ll
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2006-09-11-EmptyStructCrash.ll
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2006-09-15-CastToBool.ll
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2006-10-19-SignedToUnsignedCastAndConst-2.ll
Eliminate questionable syntax for stdin redirection. This probably also speeds things up a bit.
2008-05-20 22:07:21 +00:00
2006-10-19-SignedToUnsignedCastAndConst.ll
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2006-10-20-mask.ll
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2006-10-26-VectorReassoc.ll
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2006-11-03-Memmove64.ll
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2006-11-10-ashr-miscompile.ll
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2006-11-27-XorBug.ll
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2006-12-01-BadFPVectorXform.ll
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2006-12-05-fp-to-int-ext.ll
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2006-12-08-ICmp-Combining.ll
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2006-12-08-Phi-ICmp-Op-Fold.ll
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2006-12-08-Select-ICmp.ll
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2006-12-10-ICmp-GEP-GEP.ll
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2006-12-15-Range-Test.ll
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2006-12-23-Select-Cmp-Cmp.ll
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2007-01-13-ExtCompareMiscompile.ll
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2007-01-14-FcmpSelf.ll
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2007-01-18-VectorInfLoop.ll
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2007-01-27-AndICmp.ll
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2007-02-01-LoadSinkAlloca.ll
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2007-02-07-PointerCast.ll
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2007-02-23-PhiFoldInfLoop.ll
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2007-03-13-CompareMerge.ll
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2007-03-19-BadTruncChangePR1261.ll
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2007-03-21-SignedRangeTest.ll
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2007-03-25-BadShiftMask.ll
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2007-03-25-DoubleShift.ll
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2007-03-26-BadShiftMask.ll
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2007-03-27-PR1280.ll
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2007-03-31-InfiniteLoop.ll
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2007-04-04-BadFoldBitcastIntoMalloc.ll
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2007-04-08-SingleEltVectorCrash.ll
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2007-05-04-Crash.ll
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2007-05-10-icmp-or.ll
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2007-05-14-Crash.ll
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2007-05-18-CastFoldBug.ll
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2007-06-06-AshrSignBit.ll
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2007-06-21-DivCompareMiscomp.ll
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2007-08-02-InfiniteLoop.ll
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2007-09-05-EqualGEP.ll
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2007-09-10-AliasConstFold.ll
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2007-09-11-Trampoline.ll
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2007-09-17-AliasConstFold2.ll
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2007-10-10-EliminateMemCpy.ll
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2007-10-12-Crash.ll
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2007-10-28-EmptyField.ll
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2007-10-28-stacksave.ll
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2007-10-31-RangeCrash.ll
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2007-10-31-StringCrash.ll
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2007-11-07-OpaqueAlignCrash.ll
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2007-11-15-CompareMiscomp.ll
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2007-11-22-IcmpCrash.ll
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2007-11-25-CompatibleAttributes.ll
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2007-12-10-ConstFoldCompare.ll
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2007-12-12-GEPScale.ll
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2007-12-16-AsmNoUnwind.ll
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2007-12-18-AddSelCmpSub.ll
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2007-12-28-IcmpSub2.ll
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2008-01-06-BitCastAttributes.ll
Ignore stderr for some more tests that expect warnings there.
2008-06-10 16:13:38 +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
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2008-01-14-DoubleNest.ll
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2008-01-14-VarArgTrampoline.ll
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2008-01-21-MismatchedCastAndCompare.ll
Fix two more not-grep tests that were missing llvm-dis.
2008-06-09 22:36:45 +00:00
2008-01-21-MulTrunc.ll
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2008-01-27-FloatSelect.ll
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2008-01-29-AddICmp.ll
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2008-02-04-GEPIdxBug.ll
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2008-02-13-MulURem.ll
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2008-02-16-SDivOverflow2.ll
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2008-02-16-SDivOverflow.ll
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2008-02-23-MulSub.ll
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2008-02-28-OrFCmpCrash.ll
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2008-03-13-IntToPtr.ll
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2008-04-22-ByValBitcast.ll
distill down the essense of this test.
2008-04-23 03:03:42 +00:00
2008-04-28-VolatileStore.ll
don't delete the last store to an alloca if the store is volatile.
2008-04-29 04:58:38 +00:00
2008-04-29-VolatileLoadDontMerge.ll
don't eliminate load from volatile value on paths where the load is dead.
2008-04-29 17:28:22 +00:00
2008-04-29-VolatileLoadMerge.ll
Fix a broken test. Neither load is eliminable without changing the CFG.
2008-07-09 05:01:02 +00:00
2008-05-08-LiveStoreDelete.ll
Make instcombine's DSE respect loads as well as stores. It is not safe to
2008-05-08 17:20:30 +00:00
2008-05-08-StrLenSink.ll
More than just loads can read from memory: readonly calls like strlen
2008-05-08 17:37:37 +00:00
2008-05-09-SinkOfInvoke.ll
Testcase for PR2303.
2008-05-10 16:43:10 +00:00
2008-05-17-InfLoop.ll
Fix PR2339
2008-05-18 04:11:26 +00:00
2008-05-18-FoldIntToPtr.ll
"ret (constexpr)" can't be folded into a Constant. Add a method to
2008-05-25 20:56:15 +00:00
2008-05-22-IDivVector.ll
Fix a recently added optimization to not crash on vectors.
2008-05-23 03:26:47 +00:00
2008-05-22-NegValVector.ll
Constant integer vectors may also be negated.
2008-05-23 04:54:45 +00:00
2008-05-23-CompareFold.ll
Fix a serious brain-o. Obviously no-one reviewed my patch :(
2008-05-24 04:06:28 +00:00
2008-05-31-AddBool.ll
Adding i1 is always Xor.
2008-05-31 17:10:28 +00:00
2008-05-31-Bools.ll
Add more i1 optimizations. add, sub, mul, s/udiv on i1 are now simplified away.
2008-05-31 17:59:52 +00:00
2008-06-05-ashr-crash.ll
Add a test case for opt -instcombine bug fix in revision 52003.
2008-06-05 14:25:11 +00:00
2008-06-08-ICmpPHI.ll
Remove unnecessary target lines.
2008-06-13 22:10:32 +00:00
2008-06-13-InfiniteLoopStore.ll
Remove unnecessary target lines.
2008-06-13 22:12:16 +00:00
2008-06-13-ReadOnlyCallStore.ll
Don't skip over instructions other than loads that might read memory
2008-06-13 22:02:12 +00:00
2008-06-19-UncondLoad.ll
Fix PR2471, which is a bug involving an invalid promotion from a conditional load.
2008-06-20 05:12:56 +00:00
2008-06-21-CompareMiscomp.ll
Fix for PR2479: correctly optimize expressions like (a > 13) & (a ==
2008-06-21 23:36:13 +00:00
2008-06-24-StackRestore.ll
Fix PR2488, a case where we deleted stack restores too aggressively.
2008-06-25 05:59:28 +00:00
2008-07-08-AndICmp.ll
Fold (a < 8) && (b < 8) into (a|b) < 8 for unsigned less or greater than.
2008-07-09 07:29:11 +00:00
2008-07-08-ShiftOneAndOne.ll
Fold ((1 << a) & 1) to (a == 0).
2008-07-09 05:20:13 +00:00
2008-07-08-SubAnd.ll
Reduce x - y to -y when we know the 'x' part will get masked off anyways.
2008-07-09 04:32:37 +00:00
2008-07-08-VolatileLoadMerge.ll
new testcase for PR2496
2008-07-08 17:18:05 +00:00
2008-07-09-SubAndError.ll
Fix overzealous optimization. Thanks to Duncan Sands for pointing out my error!
2008-07-10 05:51:40 +00:00
2008-07-10-CastSextBool.ll
Fix folding of icmp's of i1 where the comparison is signed. The code
2008-07-11 04:20:58 +00:00
2008-07-10-ICmpBinOp.ll
Add another optimization from PR2330. Also catch some missing cases that are
2008-07-11 07:20:53 +00:00
2008-07-11-RemAnd.ll
Enhance analysis of srem.
2008-07-12 05:04:38 +00:00
2008-07-13-DivZero.ll
Fix PR2506 by being a bit more careful about reverse fact propagation when
2008-07-14 00:15:52 +00:00
2008-07-16-fsub.ll
Fix PR2553
2008-07-17 06:07:20 +00:00
2008-07-16-sse2_storel_dq.ll
Fix PR2296. Do not transform x86_sse2_storel_dq into a full-width store.
2008-07-16 07:28:14 +00:00
add2.ll
be more aggressive about transforming add -> or when the operands have no
2008-05-19 20:01:56 +00:00
add-shrink.ll
Teach instcombine 4 new xforms:
2008-05-20 05:46:13 +00:00
add-sitofp.ll
Generalize the new code in instcombine's ComputeNumSignBits for handling
2008-05-23 02:28:01 +00:00
add.ll
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addnegneg.ll
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align-2d-gep.ll
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align-addr.ll
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align-inc.ll
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alloca.ll
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and2.ll
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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
When simplifying a call to a bitcast function, tighten up
2008-06-01 07:38:42 +00:00
apint-cast-and-cast.ll
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apint-cast-cast-to-and.ll
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apint-cast.ll
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apint-div1.ll
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apint-div2.ll
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apint-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
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bitcount.ll
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bittest.ll
Update old-style syntax in some "not grep" tests.
2008-05-01 23:50:07 +00:00
bswap-fold.ll
implement some simple bswap optimizations, rdar://5992453
2008-06-18 04:33:20 +00:00
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
Ignore stderr for some more tests that expect warnings there.
2008-06-10 16:13:38 +00:00
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-mul-select.ll
Fix missed optimization opportunity when analyzing cast of mul and select.
2008-07-05 21:19:34 +00:00
cast-propagate.ll
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cast-set.ll
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cast.ll
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CPP_min_max.ll
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deadcode.ll
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dg.exp
sabre brings to my attention that the 'tr' suffix is also obsolete
2008-05-20 21:00:03 +00:00
div.ll
implement PR2328.
2008-05-16 02:59:42 +00:00
extractvalue.ll
Add a few cases to instcombine's extractvalue testcase.
2008-07-16 12:57:25 +00:00
fold-vector-zero.ll
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fp-ret-bitcast.ll
Situations can arise when you have a function called that returns a 'void', but
2008-05-14 22:45:20 +00:00
fpcast.ll
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fpextend.ll
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GEPIdxCanon.ll
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getelementptr_cast.ll
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getelementptr_const.ll
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getelementptr_index.ll
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getelementptr-setcc.ll
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getelementptr-seteq.ll
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getelementptr.ll
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hoist_instr.ll
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icmp.ll
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IntPtrCast.ll
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JavaCompare.ll
make this condition more precise.
2008-07-11 03:54:57 +00:00
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
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malloc-free-delete.ll
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malloc.ll
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memcpy-to-load.ll
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memmove.ll
Implement PR2370: memmove(x,x,size) -> noop.
2008-05-28 05:30:41 +00:00
memset.ll
move lowering of llvm.memset -> store from simplify libcalls
2008-04-30 06:39:11 +00:00
mul-masked-bits.ll
Fix a bug in the ComputeMaskedBits logic for multiply.
2008-05-07 00:35:55 +00:00
mul.ll
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narrow.ll
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not-fcmp.ll
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not.ll
Implement PR2298. This transforms:
2008-05-09 05:19:28 +00:00
or2.ll
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or.ll
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phi-merge.ll
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phi.ll
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README.txt
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rem.ll
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select.ll
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set.ll
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setcc-cast-cast.ll
Update old-style syntax in some "not grep" tests.
2008-05-01 23:50:07 +00:00
setcc-strength-reduce.ll
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sext-misc.ll
make truncate/sext elimination capable of changing phi's. This
2008-06-18 04:00:49 +00:00
shift-simplify.ll
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shift-sra.ll
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shift-trunc-shift.ll
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shift.ll
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shl-icmp.ll
Don't do: "(X & 4) >> 1 == 2 --> (X & 4) == 4" if there are more than one uses of the shift result.
2008-04-23 00:38:06 +00:00
shl-trunc.ll
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signext.ll
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sink_instruction.ll
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sitofp.ll
Teach instcombine 4 new xforms:
2008-05-20 05:46:13 +00:00
srem-simplify-bug.ll
Correct the value of LowBits in srem and urem handling in
2008-05-06 00:51:48 +00:00
srem.ll
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stacksaverestore.ll
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store-merge.ll
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store.ll
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sub.ll
Implement PR2298. This transforms:
2008-05-09 05:19:28 +00:00
udiv_select_to_select_shift.ll
Fix PR2506 by being a bit more careful about reverse fact propagation when
2008-07-14 00:15:52 +00:00
udiv-simplify-bug-0.ll
Fix a mistake in the computation of leading zeros for udiv.
2008-05-02 21:30:02 +00:00
udiv-simplify-bug-1.ll
Fix a mistake in the computation of leading zeros for udiv.
2008-05-02 21:30:02 +00:00
urem-simplify-bug.ll
Fix an overaggressive SimplifyDemandedBits optimization on urem. This
2008-05-01 19:13:24 +00:00
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
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vec_insertelt.ll
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vec_narrow.ll
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vec_shuffle.ll
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vector-srem.ll
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volatile_store.ll
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xor2.ll
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xor-undef.ll
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xor.ll
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zero-point-zero-add.ll
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zeroext-and-reduce.ll
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zext-fold.ll
Peer through sext/zext when looking for not(cmp).
2008-05-31 19:01:33 +00:00
zext-or-icmp.ll
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zext.ll
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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.