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llvm-6502/test/Transforms/InstCombine
History
Nick Lewycky 5d52c4501a Revert r54876 r54877 r54906 and r54907. Evan found that these caused a 20% 
slowdown in bzip2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55113 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-21 05:56:10 +00:00
..
2002-03-11-InstCombineHang.ll
2002-05-14-SubFailure.ll
2002-05-14-TouchDeletedInst.ll
2002-08-02-CastTest.ll
2002-09-17-GetElementPtrCrash.ll
2002-12-05-MissedConstProp.ll
2003-05-26-CastMiscompile.ll
2003-05-27-ConstExprCrash.ll
2003-06-05-BranchInvertInfLoop.ll
2003-06-22-ConstantExprCrash.ll
2003-07-21-ExternalConstant.ll
2003-08-12-AllocaNonNull.ll
2003-09-09-VolatileLoadElim.ll
2003-10-23-InstcombineNullFail.ll
2003-10-29-CallSiteResolve.ll
2003-11-03-VarargsCallBug.ll
2003-11-13-ConstExprCastCall.ll
2004-01-13-InstCombineInvokePHI.ll
2004-02-23-ShiftShiftOverflow.ll
2004-03-13-InstCombineInfLoop.ll
2004-04-04-InstCombineReplaceAllUsesWith.ll
2004-05-07-UnsizedCastLoad.ll
2004-07-27-ConstantExprMul.ll
2004-08-09-RemInfLoop.ll
2004-08-10-BoolSetCC.ll
2004-09-20-BadLoadCombine2.ll
2004-09-20-BadLoadCombine.ll
2004-09-28-BadShiftAndSetCC.ll
2004-11-22-Missed-and-fold.ll
2004-11-27-SetCCForCastLargerAndConstant.ll
2004-12-08-InstCombineCrash.ll
2004-12-08-RemInfiniteLoop.ll
2005-03-04-ShiftOverflow.ll
2005-04-07-UDivSelectCrash.ll
2005-06-15-DivSelectCrash.ll
2005-06-15-ShiftSetCCCrash.ll
2005-06-16-RangeCrash.ll
2005-06-16-SetCCOrSetCCMiscompile.ll
2005-07-07-DeadPHILoop.ll
2006-02-07-SextZextCrash.ll
2006-02-13-DemandedMiscompile.ll
2006-02-28-Crash.ll
2006-03-30-ExtractElement.ll
2006-04-01-InfLoop.ll
2006-04-28-ShiftShiftLongLong.ll
2006-05-04-DemandedBitCrash.ll
2006-05-06-Infloop.ll
2006-06-28-infloop.ll
2006-09-11-EmptyStructCrash.ll
2006-09-15-CastToBool.ll
2006-10-19-SignedToUnsignedCastAndConst-2.ll
2006-10-19-SignedToUnsignedCastAndConst.ll
2006-10-20-mask.ll
2006-10-26-VectorReassoc.ll
2006-11-03-Memmove64.ll
2006-11-10-ashr-miscompile.ll
2006-11-27-XorBug.ll
2006-12-01-BadFPVectorXform.ll
2006-12-05-fp-to-int-ext.ll
2006-12-08-ICmp-Combining.ll
2006-12-08-Phi-ICmp-Op-Fold.ll
2006-12-08-Select-ICmp.ll
2006-12-10-ICmp-GEP-GEP.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
2007-01-27-AndICmp.ll
2007-02-01-LoadSinkAlloca.ll
2007-02-07-PointerCast.ll
2007-02-23-PhiFoldInfLoop.ll
2007-03-13-CompareMerge.ll
2007-03-19-BadTruncChangePR1261.ll
2007-03-21-SignedRangeTest.ll
2007-03-25-BadShiftMask.ll
2007-03-25-DoubleShift.ll
2007-03-26-BadShiftMask.ll
2007-03-27-PR1280.ll
2007-03-31-InfiniteLoop.ll
2007-04-04-BadFoldBitcastIntoMalloc.ll
2007-04-08-SingleEltVectorCrash.ll
2007-05-04-Crash.ll
2007-05-10-icmp-or.ll
2007-05-14-Crash.ll
2007-05-18-CastFoldBug.ll
2007-06-06-AshrSignBit.ll
2007-06-21-DivCompareMiscomp.ll
2007-08-02-InfiniteLoop.ll
2007-09-05-EqualGEP.ll
2007-09-10-AliasConstFold.ll
2007-09-11-Trampoline.ll
2007-09-17-AliasConstFold2.ll
2007-10-10-EliminateMemCpy.ll
2007-10-12-Crash.ll
2007-10-28-EmptyField.ll
2007-10-28-stacksave.ll
2007-10-31-RangeCrash.ll
2007-10-31-StringCrash.ll
2007-11-07-OpaqueAlignCrash.ll
2007-11-15-CompareMiscomp.ll
2007-11-22-IcmpCrash.ll
2007-11-25-CompatibleAttributes.ll
2007-12-10-ConstFoldCompare.ll
2007-12-12-GEPScale.ll
2007-12-16-AsmNoUnwind.ll
2007-12-18-AddSelCmpSub.ll
2007-12-28-IcmpSub2.ll
2008-01-06-BitCastAttributes.ll
2008-01-06-CastCrash.ll
2008-01-06-VoidCast.ll
2008-01-13-AndCmpCmp.ll
2008-01-13-NoBitCastAttributes.ll
2008-01-14-DoubleNest.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
2008-02-04-GEPIdxBug.ll
2008-02-13-MulURem.ll
2008-02-16-SDivOverflow2.ll
2008-02-16-SDivOverflow.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
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
2008-05-08-StrLenSink.ll
2008-05-09-SinkOfInvoke.ll
2008-05-17-InfLoop.ll
2008-05-18-FoldIntToPtr.ll
2008-05-22-IDivVector.ll
2008-05-22-NegValVector.ll
2008-05-23-CompareFold.ll
2008-05-31-AddBool.ll
2008-05-31-Bools.ll
2008-06-05-ashr-crash.ll
2008-06-08-ICmpPHI.ll
2008-06-13-InfiniteLoopStore.ll
2008-06-13-ReadOnlyCallStore.ll
2008-06-19-UncondLoad.ll
2008-06-21-CompareMiscomp.ll
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 Reinstate this optimization, but without the miscompile. Thanks to Bill for 2008-08-06 04:54:03 +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
2008-08-05-And.ll Just grep for through the LL code instead of the ASM code 2008-08-06 00:10:32 +00:00
2008-08-17-ICmpXorSignbit.ll Revert r54876 r54877 r54906 and r54907. Evan found that these caused a 20% 2008-08-21 05:56:10 +00:00
add2.ll
add-shrink.ll
add-sitofp.ll
add.ll
addnegneg.ll
align-2d-gep.ll
align-addr.ll
align-inc.ll
alloca.ll
and2.ll
and-compare.ll
and-or-and.ll
and-or-not.ll
and-xor-merge.ll
and.ll
apint-add1.ll
apint-add2.ll
apint-and1.ll
apint-and2.ll
apint-and-compare.ll
apint-and-or-and.ll
apint-and-xor-merge.ll
apint-call-cast-target.ll
apint-cast-and-cast.ll
apint-cast-cast-to-and.ll
apint-cast.ll
apint-div1.ll
apint-div2.ll
apint-elim-logicalops.ll
apint-mul1.ll
apint-mul2.ll
apint-not.ll
apint-or1.ll
apint-or2.ll
apint-rem1.ll
apint-rem2.ll
apint-select.ll
apint-shift-simplify.ll
apint-shift.ll
apint-shl-trunc.ll
apint-sub.ll
apint-xor1.ll
apint-xor2.ll
apint-zext1.ll
apint-zext2.ll
binop-cast.ll
bit-tracking.ll
bitcast-gep.ll
bitcast-vector-fold.ll
bitcount.ll
bittest.ll
bswap-fold.ll
bswap.ll
call2.ll
call-cast-target.ll
call-intrinsics.ll
call.ll
canonicalize_branch.ll
cast2.ll
cast_ptr.ll
cast-and-cast.ll
cast-cast-to-and.ll
cast-load-gep.ll
cast-malloc.ll
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
cast-set.ll
cast.ll
CPP_min_max.ll
deadcode.ll
dg.exp
div.ll
extractvalue.ll Add a few cases to instcombine's extractvalue testcase. 2008-07-16 12:57:25 +00:00
fold-vector-zero.ll
fp-ret-bitcast.ll
fpcast.ll
fpextend.ll
GEPIdxCanon.ll Remove GCSE and LoadVN from the testsuite. 2008-08-16 00:00:54 +00:00
getelementptr_cast.ll
getelementptr_const.ll Remove GCSE and LoadVN from the testsuite. 2008-08-16 00:00:54 +00:00
getelementptr_index.ll
getelementptr-setcc.ll
getelementptr-seteq.ll
getelementptr.ll
hoist_instr.ll
icmp.ll
IntPtrCast.ll
JavaCompare.ll make this condition more precise. 2008-07-11 03:54:57 +00:00
known_align.ll
load2.ll
load.ll
loadstore-alignment.ll
malloc2.ll
malloc3.ll
malloc-free-delete.ll
malloc.ll
memcpy-to-load.ll
memmove.ll
memset.ll
mul-masked-bits.ll
mul.ll Implement support for simplifying vector comparisons by 0.0 and 1.0 like we 2008-08-11 22:06:05 +00:00
narrow.ll
not-fcmp.ll
not.ll
or2.ll
or.ll
phi-merge.ll
phi.ll
README.txt
rem.ll
select.ll
set.ll
setcc-cast-cast.ll
setcc-strength-reduce.ll
sext-misc.ll optimize a common idiom generated by clang for bitfield access, PR2638. 2008-08-06 07:35:52 +00:00
shift-simplify.ll
shift-sra.ll
shift-trunc-shift.ll
shift.ll
shl-icmp.ll
shl-trunc.ll
shufflemask-undef.ll Fix a shufflevector instcombine that was emitting invalid masks indices 2008-08-06 18:17:32 +00:00
signext.ll
sink_instruction.ll
sitofp.ll Zap sitofp/fptoui pairs. In all cases when the sign difference 2008-08-06 05:13:06 +00:00
srem1.ll Fix a bogus srem rule - a negative value srem'd by a power-of-2 2008-08-13 23:12:35 +00:00
srem-simplify-bug.ll
srem.ll
stacksaverestore.ll
store-merge.ll
store.ll
sub.ll
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
udiv-simplify-bug-1.ll
urem-simplify-bug.ll
urem.ll
vec_demanded_elts.ll
vec_extract_elt.ll
vec_insert_to_shuffle.ll
vec_insertelt.ll
vec_narrow.ll
vec_shuffle.ll
vector-srem.ll
volatile_store.ll
xor2.ll
xor-undef.ll
xor.ll
zero-point-zero-add.ll
zeroext-and-reduce.ll
zext-fold.ll
zext-or-icmp.ll
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.