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llvm-mirror/test/Transforms/InstCombine
Craig Topper 58fc4b3d14 [InstCombine] Teach getDemandedBitsLHSMask to handle constant splat vectors
This replaces a ConstantInt dyn_cast with m_APInt

Differential Revision: https://reviews.llvm.org/D38100

llvm-svn: 313840
2017-09-20 23:48:58 +00:00
..
AArch64
AMDGPU
ARM
NVPTX
PowerPC
X86 [X86] Remove VPERM2F128/VPERM2I128 intrinsics and autoupgrade to native shuffles. 2017-09-16 07:36:14 +00:00
2003-05-26-CastMiscompile.ll
2003-05-27-ConstExprCrash.ll
2003-06-05-BranchInvertInfLoop.ll
2003-07-21-ExternalConstant.ll
2003-08-12-AllocaNonNull.ll
2003-09-09-VolatileLoadElim.ll
2003-10-29-CallSiteResolve.ll
2003-11-03-VarargsCallBug.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-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
2005-07-07-DeadPHILoop.ll
2006-02-13-DemandedMiscompile.ll
2006-02-28-Crash.ll
2006-03-30-ExtractElement.ll
2006-04-28-ShiftShiftLongLong.ll
2006-05-04-DemandedBitCrash.ll
2006-09-15-CastToBool.ll
2006-10-19-SignedToUnsignedCastAndConst-2.ll
2006-10-20-mask.ll
2006-10-26-VectorReassoc.ll
2006-11-10-ashr-miscompile.ll
2006-12-01-BadFPVectorXform.ll
2006-12-05-fp-to-int-ext.ll
2006-12-08-Phi-ICmp-Op-Fold.ll
2006-12-08-Select-ICmp.ll
2006-12-15-Range-Test.ll
2006-12-23-Select-Cmp-Cmp.ll
2007-01-13-ExtCompareMiscompile.ll
2007-01-18-VectorInfLoop.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
2007-04-08-SingleEltVectorCrash.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
2007-09-10-AliasConstFold.ll
2007-09-17-AliasConstFold2.ll
2007-10-10-EliminateMemCpy.ll
2007-10-12-Crash.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
2007-11-25-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
2008-01-14-VarArgTrampoline.ll
2008-01-21-MismatchedCastAndCompare.ll
2008-01-21-MulTrunc.ll
2008-01-27-FloatSelect.ll
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
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-ShiftOneAndOne.ll
2008-07-08-SubAnd.ll
2008-07-08-VolatileLoadMerge.ll
2008-07-09-SubAndError.ll
2008-07-10-CastSextBool.ll
2008-07-11-RemAnd.ll
2008-07-13-DivZero.ll
2008-07-16-fsub.ll
2008-08-05-And.ll
2008-09-02-VectorCrash.ll
2008-10-11-DivCompareFold.ll
2008-10-23-ConstFoldWithoutMask.ll
2008-11-01-SRemDemandedBits.ll
2008-11-08-FCmp.ll
2008-11-27-IDivVector.ll
2008-11-27-MultiplyIntVec.ll
2008-11-27-UDivNegative.ll
2008-12-17-SRemNegConstVec.ll
2009-01-05-i128-crash.ll
2009-01-08-AlignAlloca.ll
2009-01-16-PointerAddrSpace.ll
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
2009-01-31-Pressure.ll
2009-02-04-FPBitcast.ll
2009-02-11-NotInitialized.ll
2009-02-20-InstCombine-SROA.ll
2009-02-21-LoadCST.ll
2009-02-25-CrashZeroSizeArray.ll
2009-03-18-vector-ashr-crash.ll
2009-03-24-InfLoop.ll
2009-04-07-MulPromoteToI96.ll
2009-05-23-FCmpToICmp.ll
2009-06-11-StoreAddrSpace.ll
2009-06-16-SRemDemandedBits.ll
2009-07-02-MaskedIntVector.ll
2009-12-17-CmpSelectNull.ll
2010-01-28-NegativeSRem.ll
2010-03-03-ExtElim.ll
2010-05-30-memcpy-Struct.ll
2010-11-01-lshr-mask.ll
2010-11-21-SizeZeroTypeGEP.ll
2010-11-23-Distributed.ll
2011-02-14-InfLoop.ll
2011-03-08-SRemMinusOneBadOpt.ll
2011-05-02-VectorBoolean.ll
2011-05-13-InBoundsGEP.ll
2011-05-28-swapmulsub.ll
2011-06-13-nsw-alloca.ll
2011-09-03-Trampoline.ll
2011-10-07-AlignPromotion.ll
2012-3-15-or-xor-constant.ll
2012-6-7-vselect-bitcast.ll
2012-01-11-OpaqueBitcastCrash.ll
2012-02-13-FCmp.ll
2012-02-28-ICmp.ll
2012-03-10-InstCombine.ll
2012-04-24-vselect.ll
2012-04-30-SRem.ll
2012-05-28-select-hang.ll
2012-06-06-LoadOfPHIs.ll
2012-07-25-LoadPart.ll
2012-07-30-addrsp-bitcast.ll
2012-08-28-udiv_ashl.ll
2012-09-17-ZeroSizedAlloca.ll
2012-10-25-vector-of-pointers.ll
2012-12-14-simp-vgep.ll
2013-03-05-Combine-BitcastTy-Into-Alloca.ll
2017-07-07-UMul-ZExt.ll [InstCombine] Don't violate dominance when replacing instructions. 2017-07-16 18:56:30 +00:00
abs_abs.ll
abs-1.ll
add2.ll
add3.ll
add-shrink.ll
add-sitofp.ll
add.ll [InstCombine] Support (X ^ C1) & C2 --> (X & C2) ^ (C1&C2) for vector splats. 2017-08-06 23:11:49 +00:00
addnegneg.ll
AddOverFlow.ll
addrspacecast.ll
adjust-for-minmax.ll
alias-recursion.ll
align-2d-gep.ll
align-addr.ll
align-attr.ll
align-external.ll
all-bits-shift.ll
alloca.ll
allocsize-32.ll
allocsize.ll
and2.ll [InstCombine] move related tests together; NFC 2017-09-12 15:29:28 +00:00
and-compare.ll
and-fcmp.ll [InstCombine] move related tests together; NFC 2017-09-12 15:29:28 +00:00
and-or-and.ll
and-or-icmps.ll
and-or-not.ll [InstCombine] Fold (a | b) ^ (~a | ~b) --> ~(a ^ b) and (a & b) ^ (~a & ~b) --> ~(a ^ b) 2017-07-02 01:15:51 +00:00
and-or.ll [InstCombine] allow mask hoisting transform for vector types 2017-07-31 21:01:53 +00:00
and-xor-merge.ll
and-xor-or.ll
and.ll [InstCombine] Improve the expansion in SimplifyUsingDistributiveLaws to handle cases where one side doesn't simplify, but the other side resolves to an identity value 2017-07-15 21:49:49 +00:00
apint-add.ll
apint-and-compare.ll
apint-and-or-and.ll
apint-and-xor-merge.ll
apint-and.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-mul1.ll
apint-mul2.ll
apint-not.ll
apint-or.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
assoc-cast-assoc.ll
assume2.ll
assume-loop-align.ll
assume-redundant.ll
assume.ll
atomic.ll
badmalloc.ll
binop-cast.ll
bit-checks.ll [InstCombine][InstSimplify] Teach decomposeBitTestICmp to look through truncate instructions 2017-09-01 21:27:34 +00:00
bitcast-alias-function.ll
bitcast-bigendian.ll [InstCombine] reverse bitcast + bitwise-logic canonicalization (PR33138) 2017-06-22 15:46:54 +00:00
bitcast-bitcast.ll
bitcast-sext-vector.ll
bitcast-store.ll
bitcast-vec-canon.ll
bitcast.ll [InstCombine] reverse bitcast + bitwise-logic canonicalization (PR33138) 2017-06-22 15:46:54 +00:00
bitcount.ll
bitreverse-fold.ll
bitreverse-hang.ll
bitreverse-known-bits.ll
bittest.ll
branch.ll [InstCombine] Fold branches with irrelevant conditions to a constant. 2017-08-23 09:14:37 +00:00
broadcast.ll [InstCombine] Fold insert sequence if first ins has multiple users. 2017-08-30 10:54:21 +00:00
bswap-fold.ll [InstCombine] Add single use checks to SimplifyBSwap to ensure we are really saving instructions 2017-07-06 16:24:21 +00:00
bswap-known-bits.ll
bswap.ll
builtin-object-size-offset.ll
builtin-object-size-ptr.ll
call2.ll
call_nonnull_arg.ll
call-cast-attrs.ll
call-cast-target-inalloca.ll
call-cast-target.ll
call-guard.ll
call-intrinsics.ll
call.ll
canonicalize_branch.ll
cast_ptr.ll
cast-call-combine-prof.ll
cast-call-combine.ll
cast-callee-deopt-bundles.ll
cast-int-fcmp-eq-0.ll
cast-mul-select.ll
cast-set.ll
cast.ll [InstCombine] Fix a weakness in canEvaluateZExtd around 'and' instructions 2017-08-21 16:04:11 +00:00
ceil.ll
clamp-to-minmax.ll [InstCombine] Canonicalize clamp of float types to minmax in fast mode. 2017-08-04 12:22:17 +00:00
cmp-intrinsic.ll [InstCombine] move and improve tests for cmp-intrinsic; NFC 2017-07-03 14:07:40 +00:00
compare-3way.ll [InstCombine] Recognize and simplify three way comparison idioms 2017-06-23 13:41:45 +00:00
compare-alloca.ll
compare-signs.ll [InstCombine] Support vector splats in transformZExtICmp 2017-08-29 18:58:13 +00:00
compare-udiv.ll
compare-unescaped.ll
consecutive-fences.ll Enhance synchscope representation 2017-07-11 22:23:00 +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-iteration.ll
constant-fold-libfunc.ll Add strictfp attribute to prevent unwanted optimizations of libm calls 2017-08-14 21:15:13 +00:00
constant-fold-math.ll
convergent.ll
copysign.ll
cos-1.ll
cos-2.ll
cos-intrinsic.ll
CPP_min_max.ll
crash.ll
ctpop.ll [InstCombine] Add range metadata to cttz/ctlz/ctpop intrinsic calls based on known bits 2017-06-21 16:32:35 +00:00
dce-iterate.ll
deadcode.ll
debug-line.ll
debuginfo-dce.ll Parse and print DIExpressions inline to ease IR and MIR testing 2017-08-23 20:31:27 +00:00
debuginfo-skip.ll [InstCombine] Add a flag to disable LowerDbgDeclare 2017-09-13 01:43:25 +00:00
debuginfo.ll [InstCombine] Add a flag to disable LowerDbgDeclare 2017-09-13 01:43:25 +00:00
default-alignment.ll
demand_shrink_nsw.ll
demorgan.ll
disable-simplify-libcalls.ll
distribute.ll
div-shift-crash.ll
div-shift.ll
div.ll [InstSimplify] fold sdiv/srem based on compare of dividend and divisor 2017-09-14 14:59:07 +00:00
double-float-shrink-1.ll
double-float-shrink-2.ll
early_constfold_changes_IR.ll [InstCombine] Make sure AddReachableCodeToWorklist sets MadeIRChange 2017-06-19 18:00:27 +00:00
early_dce_clobbers_callgraph.ll [InstCombine] Make sure AddReachableCodeToWorklist sets MadeIRChange 2017-06-19 18:00:27 +00:00
element-atomic-memcpy-to-loads.ll [Atomics] Rename and change prototype for atomic memcpy intrinsic 2017-06-16 14:43:59 +00:00
element-atomic-memintrins.ll Add element-atomic mem intrinsic canary tests for InstCombine. 2017-07-18 01:06:47 +00:00
enforce-known-alignment.ll
err-rep-cold.ll
exact.ll
exp2-1.ll
exp2-2.ll
ExtractCast.ll
extractinsert-tbaa.ll [InstCombine] Retain TBAA when narrowing memory accesses 2017-06-28 23:36:40 +00:00
extractvalue.ll
fabs-libcall.ll
fabs.ll
fast-math-scalarization.ll
fast-math.ll
fcmp-select.ll
fcmp-special.ll [ValueTracking, InstCombine] canonicalize fcmp ord/uno with non-NAN ops to null constants 2017-09-05 23:13:13 +00:00
fcmp.ll
fdiv.ll
ffs-1.ll [InstCombine] narrow truncated add/sub/mul with constant 2017-08-04 22:30:34 +00:00
float-shrink-compare.ll
fls.ll [InstCombine] narrow truncated add/sub/mul with constant 2017-08-04 22:30:34 +00:00
fma.ll
fmul.ll
fneg-ext.ll
fold-bin-operand.ll
fold-calls.ll
fold-fops-into-selects.ll
fold-phi-load-metadata.ll
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
fputs-1.ll
fputs-opt-size.ll
fsub.ll
fwrite-1.ll
gc.relocate.ll
gep-addrspace.ll
gep-sext.ll
gep-vector.ll
gepgep.ll
gepphigep.ll
getelementptr-folding.ll
getelementptr.ll
hoist_instr.ll
icmp-add.ll
icmp-div-constant.ll
icmp-logical.ll [InstCombine] convert bitwise (in)equality checks to logical ops (PR32401) 2017-07-14 15:09:49 +00:00
icmp-range.ll
icmp-shl-nsw.ll
icmp-shl-nuw.ll
icmp-shr.ll
icmp-vec.ll
icmp-xor-signbit.ll [InstCombine] reverse bitcast + bitwise-logic canonicalization (PR33138) 2017-06-22 15:46:54 +00:00
icmp.ll [InstCombine] Teach getDemandedBitsLHSMask to handle constant splat vectors 2017-09-20 23:48:58 +00:00
idioms.ll
indexed-gep-compares.ll
inline-intrinsic-assert.ll
insert-const-shuf.ll
insert-extract-shuffle.ll [InstCombine] Fix extractelement use before def 2017-06-05 09:18:10 +00:00
insert-val-extract-elem.ll
IntPtrCast.ll
intrinsics.ll [InstCombine] move and improve tests for cmp-intrinsic; NFC 2017-07-03 14:07:40 +00:00
invariant.ll
invoke.ll
isascii-1.ll
isdigit-1.ll
JavaCompare.ll
known_align.ll
LandingPadClauses.ll
lifetime-asan.ll
lifetime.ll Merge isKnownNonNull into isKnownNonZero 2017-09-09 18:23:11 +00:00
load3.ll
load_combine_aa.ll
load-bitcast32.ll
load-bitcast64.ll
load-cmp.ll
load-combine-metadata-2.ll
load-combine-metadata-3.ll
load-combine-metadata-4.ll
load-combine-metadata.ll
load-select.ll
load.ll
loadstore-alignment.ll
loadstore-metadata.ll
log-pow-nofastmath.ll
log-pow.ll
logical-select.ll [InstCombine] Support sext in foldLogicCastConstant 2017-08-02 20:25:56 +00:00
lshr-phi.ll
lshr.ll [InstCombine] narrow lshr with constant 2017-08-04 15:42:47 +00:00
malloc-free-delete.ll
masked_intrinsics.ll
max-of-nots.ll [InstCombine] canonicalize icmp predicate feeding select 2017-06-27 17:53:22 +00:00
maxnum.ll
mem-gep-zidx.ll
mem-par-metadata-memcpy.ll
memchr.ll
memcmp-1.ll
memcmp-2.ll
memcmp-constant-fold.ll [LibCallSimplifier] try harder to fold memcmp with constant arguments (2nd try) 2017-08-21 19:13:14 +00:00
memcpy_chk-1.ll
memcpy_chk-2.ll
memcpy-1.ll Add strictfp attribute to prevent unwanted optimizations of libm calls 2017-08-14 21:15:13 +00:00
memcpy-2.ll [InstCombine] regenerate test checks; NFC 2017-08-10 15:07:37 +00:00
memcpy-addrspace.ll Merge isKnownNonNull into isKnownNonZero 2017-09-09 18:23:11 +00:00
memcpy-from-global.ll Merge isKnownNonNull into isKnownNonZero 2017-09-09 18:23:11 +00:00
memcpy-to-load.ll [InstCombine] add memcpy expansion tests with potential DL dependency; NFC 2017-08-10 15:37:26 +00:00
memcpy.ll [InstCombine] regenerate test checks, add comments; NFC 2017-08-10 14:51:42 +00:00
memmove_chk-1.ll
memmove_chk-2.ll
memmove-1.ll
memmove-2.ll
memmove.ll Explicitly check for presence of correct results in instcombine memmove test 2017-06-29 14:17:50 +00:00
memset2.ll
memset_chk-1.ll
memset_chk-2.ll
memset-1.ll
memset-2.ll
memset.ll Restore original intent of memset instcombine test 2017-06-29 14:21:28 +00:00
merge-icmp.ll
min-positive.ll
minmax-fold.ll [InstCombine] Canonicalize clamp of float types to minmax in fast mode. 2017-08-04 12:22:17 +00:00
minmax-fp.ll
minnum.ll
misc-2002.ll
mul-masked-bits.ll
mul.ll [InstCombine] Propagate nsw flag when turning mul by pow2 into shift when the constant is a vector splat or the scalar bit width is larger than 64-bits 2017-06-27 19:57:53 +00:00
multi-size-address-space-pointer.ll
multi-use-or.ll
narrow-switch.ll
narrow.ll
no_cgscc_assert.ll
no-negzero.ll
non-integral-pointers.ll
nonnull-attribute.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 [InstCombine] Fold (!iszero(A & K1) & !iszero(A & K2)) -> (A & (K1 | K2)) == (K1 | K2) if K1 and K2 are a 1-bit mask 2017-06-16 05:10:37 +00:00
opaque.ll
or-fcmp.ll [InstCombine] move related tests together; NFC 2017-09-12 15:29:28 +00:00
or-xor.ll [InstCombine] add descriptive comments for tests; NFC 2017-07-13 17:24:57 +00:00
or.ll [InstCombine] move related tests together; NFC 2017-09-12 15:29:28 +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
phi-select-constant.ll [InstCombine] Set correct insertion point for selects generated while folding phis 2017-06-16 21:08:37 +00:00
phi.ll
pow-1.ll
pow-2.ll
pow-3.ll
pow-4.ll
pow-exp-nofastmath.ll
pow-exp.ll
pow-sqrt.ll
pr2645-0.ll
pr2996.ll
pr12251.ll
pr12338.ll
pr17827.ll [InstCombine] Teach the code that pulls logical operators through constant shifts to handle vector splats too. 2017-08-05 20:00:42 +00:00
pr19420.ll
pr20079.ll
pr20678.ll
pr21199.ll
pr21210.ll
pr21651.ll
pr21891.ll
pr23751.ll
pr23809.ll
pr24354.ll
pr24605.ll
pr25342.ll
pr25745.ll
pr26992.ll
pr26993.ll
pr27236.ll [InstCombine] Canonicalize clamp of float types to minmax in fast mode. 2017-08-04 12:22:17 +00:00
pr27332.ll
pr27703.ll
pr27996.ll
pr28143.ll
pr30929.ll
pr31990_wrong_memcpy.ll
pr32686.ll
pr33453.ll [InstCombine] Make FPMathOperator working with ConstantExpression(s). 2017-06-17 00:07:22 +00:00
pr33689_same_bitwidth.ll Add original reproducer for r307754 / PR33689 2017-07-13 07:38:53 +00:00
pr33765.ll [InstCombine] Fold branches with irrelevant conditions to a constant. 2017-08-23 09:14:37 +00:00
pr34349.ll [InstCombine] Call hasNoSignedWrap instead of hasNoUnsignedWrap to get the NSW flag when handling Add in SimplifyDemandedUseBits. 2017-08-28 18:44:28 +00:00
pr34627.ll [ConstantFold] Return the correct type when folding a GEP with vector indices. 2017-09-15 20:53:05 +00:00
PR30597.ll
prefetch-load.ll
preserve-sminmax.ll
preserved-analyses.ll
prevent-cmp-merge.ll
printf-1.ll
printf-2.ll
printf-3.ll
ptr-int-cast.ll
puts-1.ll
range-check.ll
README.txt
readnone-maythrow.ll
rem.ll
rotate.ll [InstCombine] narrow rotate left/right patterns to eliminate zext/trunc (PR34046) 2017-08-09 18:37:41 +00:00
round.ll
sdiv-1.ll
sdiv-2.ll
select_arithmetic.ll [InstCombine] Add select simplifications 2017-09-20 17:32:16 +00:00
select_meta.ll
select-2.ll
select-bitext.ll
select-cmp-br.ll [InstCombine] Fold branches with irrelevant conditions to a constant. 2017-08-23 09:14:37 +00:00
select-cmp-cttz-ctlz.ll [PatternMatch] Remove 64-bit or less restriction from m_SpecificInt 2017-06-27 15:39:40 +00:00
select-crash-noverify.ll
select-crash.ll
select-extractelement.ll [InstCombine] auto-generate complete checks; NFC 2017-09-18 21:57:56 +00:00
select-implied.ll [ValueTracking] Fix the identity case (LHS => RHS) when the LHS is false. 2017-07-07 13:55:55 +00:00
select-load-call.ll
select-select.ll
select-with-bitwise-ops.ll [InstCombine] Add test cases for folding (select (icmp ne/eq (and X, C1), (bitwiseop Y, C2), Y -> (bitwiseop Y, (shl/shr (and X, C1), C3)) or similar. 2017-09-05 05:26:38 +00:00
select.ll [InstCombine] Teach select01 helper of foldSelectIntoOp to handle vector splats 2017-08-28 22:00:27 +00:00
set.ll [InstCombine] Support vector splats in transformZExtICmp 2017-08-29 18:58:13 +00:00
setcc-strength-reduce.ll
sext.ll
shift-add.ll
shift-shift.ll
shift-sra.ll [InstCombine] sink sext after ashr 2017-08-15 18:25:52 +00:00
shift.ll [InstCombine] Added support for (X >>s C) << C --> X & (-1 << C) 2017-08-15 19:33:14 +00:00
shufflevec-bitcast.ll
shufflevec-constant.ll
sign-test-and-or.ll
signed-comparison.ll
signext.ll
simplify-demanded-bits-pointer.ll
simplify-libcalls.ll
sincospi.ll
sink_instruction.ll
sink-into-catchswitch.ll
sink-zext.ll
sitofp.ll
smax-icmp.ll
smin-icmp.ll
sprintf-1.ll
sqrt-nofast.ll
sqrt.ll
srem1.ll
srem-simplify-bug.ll
stack-overalign.ll
stacksaverestore.ll
statepoint.ll
store.ll
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 Merge isKnownNonNull into isKnownNonZero 2017-09-09 18:23:11 +00:00
strcpy-1.ll
strcpy-2.ll
strcspn-1.ll
strcspn-2.ll
strlen-1.ll Merge isKnownNonNull into isKnownNonZero 2017-09-09 18:23:11 +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
struct-assign-tbaa.ll
sub-xor.ll
sub.ll [InstCombine] Support pulling left shifts through a subtract with constant LHS 2017-08-08 20:14:11 +00:00
switch-constant-expr.ll
switch-truncate-crash.ll
tan-nofastmath.ll
tan.ll
tbaa-store-to-load.ll
toascii-1.ll
token.ll
trunc.ll [InstCombine] Consider more cases where SimplifyDemandedUseBits does not convert AShr to LShr. 2017-08-25 11:07:54 +00:00
type_pun.ll
udiv_select_to_select_shift.ll
udiv-simplify.ll
udivrem-change-width.ll [InstCombine] fix and enhance udiv/urem narrowing 2017-08-24 22:54:01 +00:00
umax-icmp.ll
umin-icmp.ll
unordered-fcmp-select.ll
unpack-fca.ll
urem-simplify-bug.ll
vararg.ll
vec_demanded_elts.ll [InstCombine] improve demanded vector elements analysis of insertelement 2017-08-31 15:57:17 +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] Support ~(c-X) --> X+(-c-1) and ~(X-c) --> (-c-1)-X for splat vectors. 2017-08-06 06:28:41 +00:00
vec_sext.ll
vec_shuffle.ll
vector_gep1.ll
vector_gep2.ll
vector_insertelt_shuffle.ll
vector-casts.ll [InstCombine] Remove check for sext of vector icmp from shouldOptimizeCast 2017-08-22 23:40:15 +00:00
vector-mul.ll
vector-type.ll
vector-urem.ll
volatile_store.ll
wcslen-1.ll Merge isKnownNonNull into isKnownNonZero 2017-09-09 18:23:11 +00:00
wcslen-2.ll
wcslen-3.ll Merge isKnownNonNull into isKnownNonZero 2017-09-09 18:23:11 +00:00
weak-symbols.ll
win-math.ll
xor2.ll [InstCombine] Cleanup some duplicated one use checks 2017-06-19 16:23:49 +00:00
xor-undef.ll
xor.ll [InstCombine] Support '(C - X) ^ signmask -> (C + signmask - X)' and '(X + C) ^ signmask -> (X + C + signmask)' for vector splats. 2017-08-06 22:17:21 +00:00
zero-point-zero-add.ll
zeroext-and-reduce.ll
zext-bool-add-sub.ll
zext-fold.ll
zext-or-icmp.ll
zext-phi.ll
zext.ll

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.