llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-09-08 23:55:03 +00:00

History

Mon P Wang fe6d2cd9d1 Fixed optimization of combining two shuffles where the first shuffle inputs has a different number of elements than the output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62998 91177308-0d34-0410-b5e6-96231b3b80d8		2009-01-26 04:39:00 +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
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
2008-07-08-AndICmp.ll
2008-07-08-ShiftOneAndOne.ll
2008-07-08-SubAnd.ll
2008-07-08-VolatileLoadMerge.ll
2008-07-09-SubAndError.ll
2008-07-10-CastSextBool.ll
2008-07-10-ICmpBinOp.ll
2008-07-11-RemAnd.ll
2008-07-13-DivZero.ll
2008-07-16-fsub.ll
2008-07-16-sse2_storel_dq.ll
2008-08-05-And.ll
2008-08-17-ICmpXorSignbit.ll
2008-09-02-VectorCrash.ll
2008-09-29-FoldingOr.ll	Fix misoptimization of: xor i1 (icmp eq (X, C1), icmp s[lg]t (X, C2))	2008-09-30 06:08:34 +00:00
2008-10-11-DivCompareFold.ll	Fix PR2697 by rewriting the '(X / pos) op neg' logic. This also changes	2008-10-11 22:55:00 +00:00
2008-10-23-ConstFoldWithoutMask.ll	Don't try to create a mask when we don't need one. Fixes a crash.	2008-10-24 06:14:27 +00:00
2008-11-01-SRemDemandedBits.ll	Fix demanded bits analysis with srem by negative number. Based on a patch	2008-11-02 02:41:50 +00:00
2008-11-08-FCmp.ll	If the LHS of the FCMP is coming from a UIToFP instruction, then we don't want	2008-11-09 04:26:50 +00:00
2008-11-20-DivMulRem.ll	Optimize (x/y)*y into x-(x%y) in general. Div and rem are about the same, and	2008-11-21 07:33:58 +00:00
2008-11-27-IDivVector.ll	Add a couple of missed optimizations on integer vectors. Multiply and divide	2008-11-27 20:21:08 +00:00
2008-11-27-MultiplyIntVec.ll	Add a couple of missed optimizations on integer vectors. Multiply and divide	2008-11-27 20:21:08 +00:00
2008-11-27-UDivNegative.ll	Chris prefers icmp/select over udiv!	2008-11-27 22:41:10 +00:00
2008-12-17-SRemNegConstVec.ll	Make all the vector elements positive in an srem of constant vector.	2008-12-18 06:31:11 +00:00
2009-01-05-i128-crash.ll	make m_ConstantInt(int64_t) safely match ConstantInt's that are larger than i64.	2009-01-05 23:45:50 +00:00
2009-01-08-AlignAlloca.ll	Make instcombine ensure that all allocas are explicitly aligned at at	2009-01-13 20:18:38 +00:00
2009-01-16-PointerAddrSpace.ll	Fix PR3335 by not turning a store to one address space into a store to another.	2009-01-16 20:12:52 +00:00
2009-01-19-fmod-constant-float-specials.ll	Do not use host floating point types when emitting	2009-01-21 20:32:55 +00:00
2009-01-19-fmod-constant-float.ll	Calls to fmod, it turns out, are constant-folded by	2009-01-20 21:58:13 +00:00
2009-01-24-EmptyStruct.ll	testcase for PR3381.	2009-01-24 17:16:04 +00:00
add2.ll
add-shrink.ll
add-sitofp.ll
add.ll
addnegneg.ll
adjust-for-sminmax.ll	Improve instcombine's handling of integer min and max in two ways:	2008-09-16 18:46:06 +00:00
align-2d-gep.ll
align-addr.ll
align-inc.ll
alloca.ll
and2.ll
and-compare.ll
and-fcmp.ll	- Somehow I forgot about one / une.	2008-10-14 18:13:38 +00:00
and-not-or.ll	simplify these patterns using m_Specific. No need to grep for	2008-12-01 05:16:26 +00:00
and-or-and.ll
and-or-not.ll
and-or.ll	Implement ((A\|B)&1)\|(B&-2) -> (A&1) \| B transformation. This also takes care of	2008-12-01 01:07:11 +00:00
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	Instcombine was illegally transforming -X/C into X/-C when either X or C	2008-11-30 03:42:12 +00:00
apint-xor1.ll
apint-xor2.ll
apint-zext1.ll
apint-zext2.ll
binop-cast.ll
bit-tracking.ll
bitcast-gep.ll	Fix part 3/2 of PR3290, making instcombine zap (gep(bitcast)) when possible.	2009-01-09 05:44:56 +00:00
bitcast-vector-fold.ll
bitcount.ll
bittest.ll
bswap-fold.ll
bswap.ll	rewrite bswap matching to be more general, allowing arbitrary	2008-10-05 02:13:19 +00:00
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
cast-propagate.ll
cast-set.ll
cast-sext-zext.ll	- Teach CanEvaluateInDifferentType of this xform: sext (zext ty1), ty2 -> zext ty2	2009-01-15 17:01:23 +00:00
cast-store-gep.ll	Make InstCombineStoreToCast handle aggregates more aggressively,	2009-01-24 01:00:13 +00:00
cast.ll	Clean up previous cast optimization a bit. Also make zext elimination a bit more aggressive: if it's not necessary to emit an AND (i.e. high bits are already zero), it's profitable to evaluate the operand at a different type.	2009-01-16 02:11:43 +00:00
CPP_min_max.ll
deadcode.ll
dg.exp
div-cmp-overflow.ll
div.ll
extractvalue.ll
fold-vector-zero.ll
fp-ret-bitcast.ll
fpcast.ll
fpextend.ll
GEPIdxCanon.ll
getelementptr_cast.ll
getelementptr_const.ll
getelementptr_index.ll
getelementptr_promote.ll
getelementptr-setcc.ll
getelementptr-seteq.ll
getelementptr.ll
hoist_instr.ll
icmp.ll	Implement rdar://6480391, extending of equality icmp's to avoid a truncation.	2009-01-09 07:47:06 +00:00
IntPtrCast.ll
JavaCompare.ll
known_align.ll
load2.ll
load3.ll	Teach instcombine's visitLoad to scan back several instructions	2008-10-15 23:19:35 +00:00
load.ll	Teach instcombine's visitLoad to scan back several instructions	2008-10-15 23:19:35 +00:00
loadstore-alignment.ll	Make instcombine ensure that all allocas are explicitly aligned at at	2009-01-13 20:18:38 +00:00
logical-select.ll	Handle the case where there is no "not". It is possible it got	2008-11-16 04:25:26 +00:00
malloc2.ll
malloc3.ll
malloc-free-delete.ll
malloc.ll
memcpy-to-load.ll
memmove.ll
memset.ll
mul-masked-bits.ll
mul.ll
narrow.ll
not-fcmp.ll
not.ll
or2.ll
or-fcmp.ll	Combine (fcmp cc0 x, y) \| (fcmp cc1 x, y) into a single fcmp when possible.	2008-10-14 18:44:08 +00:00
or-to-xor.ll	Use m_Specific() instead of double matching.	2008-12-01 08:09:47 +00:00
or.ll
phi-merge.ll
phi.ll	Teach inst combine to merge GEPs through PHIs. This is really	2008-12-01 02:34:36 +00:00
pr2645-0.ll
pr2645-1.ll
pr2996.ll	Fix this recently moved code to use the correct type. CI is now a	2008-11-02 00:17:33 +00:00
preserve-sminmax.ll	Improve instcombine's handling of integer min and max in two ways:	2008-09-16 18:46:06 +00:00
README.txt
rem.ll
sdiv-1.ll	Strengthen check for div inst-combining.	2008-11-30 04:33:53 +00:00
sdiv-2.ll	getSExtValue() doesn't work for ConstantInts with bitwidth > 64 bits. Use all	2008-11-30 12:38:24 +00:00
select.ll
set.ll
setcc-cast-cast.ll
setcc-strength-reduce.ll
sext-misc.ll
shift-simplify.ll
shift-sra.ll
shift-trunc-shift.ll
shift.ll
shl-icmp.ll
shl-trunc.ll
shufflemask-undef.ll
signext.ll
sink_instruction.ll
sitofp.ll
srem1.ll
srem-simplify-bug.ll
srem.ll
stacksaverestore.ll
store-merge.ll
store.ll
sub.ll	Instcombine was illegally transforming -X/C into X/-C when either X or C	2008-11-30 03:42:12 +00:00
udiv_select_to_select_shift.ll
udiv-simplify-bug-0.ll
udiv-simplify-bug-1.ll	Chris prefers icmp/select over udiv!	2008-11-27 22:41:10 +00:00
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_shuffle2.ll	Fixed optimization of combining two shuffles where the first shuffle inputs	2009-01-26 04:39:00 +00:00
vec_shuffle.ll
vector-srem.ll
volatile_store.ll
xor2.ll
xor-demorgans.ll	XFAIL this test. The xform was removed.	2009-01-04 06:32:28 +00:00
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.