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llvm-project/llvm/test/Transforms/SLPVectorizer/X86
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Simon Pilgrim 924f193419 [TTI] Reduction costs only need to include a single extract element cost 
We were adding the entire scalarization extraction cost for reductions, which returns the total cost of extracting every element of a vector type.

For reductions we don't need to do this - we just need to extract the 0'th element after the reduction pattern has completed.

Fixes PR37731

Differential Revision: https://reviews.llvm.org/D54585

llvm-svn: 346970
 		2018-11-15 17:42:53 +00:00
..
PR32086.ll [SLP] Allow vectorization of reversed loads. 2018-02-14 15:29:15 +00:00
PR34635.ll [SLP] Reduce test, NFC. 2017-09-19 13:38:56 +00:00
PR35628_1.ll [SLP] Fix PR35628: Count external uses on extra reduction arguments. 2018-01-08 14:33:11 +00:00
PR35628_2.ll [SLP] Fix PR35628: Count external uses on extra reduction arguments. 2018-01-08 14:33:11 +00:00
PR35777.ll [SLP] Fix vectorization for tree with trunc to minimum required bit width. 2018-01-19 14:40:13 +00:00
PR35865.ll [COST]Fix PR35865: Fix cost model evaluation for shuffle on X86. 2018-01-09 19:08:22 +00:00
PR36280.ll [X86][SSE] Reduce FADD/FSUB/FMUL costs on later targets (PR36280) 2018-02-26 22:10:17 +00:00
addsub.ll [SLPVectorizer] Relax "alternate" opcode vectorisation to work with any SK_Select shuffle pattern 2018-06-20 14:26:28 +00:00
aggregate.ll [SLP] Update tests checks, NFC. 2018-01-05 14:40:04 +00:00
align.ll
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alternate-calls.ll [SLPVectorizer][X86] Begin adding alternate tests for call operators 2018-07-02 17:23:45 +00:00
alternate-cast.ll [SLPVectorizer] Add initial alternate opcode support for cast instructions. (REAPPLIED-2) 2018-07-13 11:09:52 +00:00
alternate-fp.ll [SLPVectorizer] Fix alternate opcode + shuffle cost function to correct handle SK_Select patterns. 2018-07-02 11:28:01 +00:00
alternate-int.ll [SLPVectorizer] Ensure alternate/passthrough doesn't vectorize sdiv with undef elts 2018-07-11 14:34:43 +00:00
arith-add.ll [X86] Remove unnecessary -mattr to enable avx512bw when the -mcpu already enabled it. NFC 2018-04-16 18:14:19 +00:00
arith-fp.ll [X86][SLM] Add SLM arithmetic vectorization tests 2017-06-10 19:16:09 +00:00
arith-mul.ll [X86][SLM] Add SLM arithmetic vectorization tests 2017-06-10 19:16:09 +00:00
arith-sub.ll [X86][SLM] Add SLM arithmetic vectorization tests 2017-06-10 19:16:09 +00:00
atomics.ll
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bad_types.ll
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barriercall.ll
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bitreverse.ll [X86] Add missing BITREVERSE costs for SSE2 vectors and i8/i16/i32/i64 scalars 2017-03-15 19:34:55 +00:00
blending-shuffle.ll [SLP] Stop counting cost of gather sequences with multiple uses 2018-03-23 14:18:27 +00:00
bswap.ll [X86][SSE] Add cost model for BSWAP of vectors 2016-06-20 23:08:21 +00:00
call.ll [ValueTracking] readonly (const) is a requirement for converting sqrt to llvm.sqrt; nnan is not 2017-11-06 22:40:09 +00:00
cast.ll [SLP] Fix PR35047: Fix default cost model for cast op in X86. 2017-11-07 14:23:44 +00:00
cmp_sel.ll [SLPVectorizer][X86] Regenerate some tests. NFCI 2018-04-04 13:53:51 +00:00
commutativity.ll
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compare-reduce.ll [SLP] Fix tests checks, NFC. 2018-02-20 18:11:50 +00:00
consecutive-access.ll [SCEV] Add [zs]ext{C,+,x} -> (D + [zs]ext{C-D,+,x})<nuw><nsw> transform 2018-07-25 18:01:41 +00:00
continue_vectorizing.ll
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crash_7zip.ll
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crash_binaryop.ll
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crash_bullet.ll
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crash_bullet3.ll
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crash_cmpop.ll
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crash_dequeue.ll
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crash_flop7.ll
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crash_gep.ll
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crash_lencod.ll
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crash_mandeltext.ll
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crash_netbsd_decompress.ll
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crash_scheduling.ll [Verifier] Add verification for TBAA metadata 2016-12-11 20:07:15 +00:00
crash_sim4b1.ll
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crash_smallpt.ll
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crash_vectorizeTree.ll
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cross_block_slp.ll
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cse.ll [X86][SSE] Reduce FADD/FSUB/FMUL costs on later targets (PR36280) 2018-02-26 22:10:17 +00:00
ctlz.ll [VectorLegalizer] Expansion of CTLZ using CTPOP when possible 2016-11-08 14:10:28 +00:00
ctpop.ll [X86][SSE] Add cost model values for CTPOP of vectors 2016-07-20 10:41:28 +00:00
cttz.ll [X86][SSE] Add initial costs for vector CTTZ/CTLZ 2016-08-04 10:51:41 +00:00
cycle_dup.ll
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debug_info.ll [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
diamond.ll
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external_user.ll
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external_user_jumbled_load.ll [SLP] Fix PR36481: vectorize reassociated instructions. 2018-04-03 17:14:47 +00:00
extract-shuffle.ll [SLP] Add extra test for extractelement shuffle, NFC. 2018-01-30 21:06:06 +00:00
extract.ll [SLP] Fix PR36481: vectorize reassociated instructions. 2018-04-03 17:14:47 +00:00
extract_in_tree_user.ll [SLP] Update test checks, NFC. 2018-02-06 20:00:05 +00:00
extractcost.ll
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extractelement.ll [SLP] Fix for PR31879: vectorize repeated scalar ops that don't get put 2017-02-14 15:20:48 +00:00
fabs-cost-softfp.ll [SLPVectorizer] Check that lowered type is floating point before calling isFabsFree 2018-10-09 18:41:17 +00:00
fabs.ll [SLPVectorizer][X86] Added fabs tests 2016-10-01 16:54:01 +00:00
fcopysign.ll [AVX-512] Support FCOPYSIGN for v16f32 and v8f64 2016-11-18 02:25:34 +00:00
flag.ll
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fma.ll [SLPVectorizer][X86] Added fma vectorization tests 2016-07-08 17:19:13 +00:00
fptosi.ll [SLPVectorizer][X86] Tests to show missed buildvector sitofp/fptosi vectorizations 2016-12-06 13:29:55 +00:00
fptoui.ll [SLPVectorizer][X86] Added fptosi/fptoui tests 2016-10-01 19:35:59 +00:00
fround.ll [SLPVectorizer][X86] Added ceil/floor/nearbyint/rint/trunc vectorization tests 2016-06-22 14:07:46 +00:00
funclet.ll [SLP] Fix tests checks, NFC. 2018-02-20 18:11:50 +00:00
gep.ll [PM] Port SLPVectorizer to the new PM 2016-06-15 08:43:40 +00:00
gep_mismatch.ll
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hadd.ll [X86][AVX] Reduce v4f64/v4i64 shuffle costs (PR37882) 2018-06-21 11:37:13 +00:00
hoist.ll [SLP] Fix for PR32086: Count InsertElementInstr of the same elements as shuffle. 2018-01-29 16:08:52 +00:00
horizontal-list.ll [SLP] Support for horizontal min/max reduction. 2017-09-25 13:34:59 +00:00
horizontal-minmax.ll [TTI] Reduction costs only need to include a single extract element cost 2018-11-15 17:42:53 +00:00
horizontal.ll [X86][SSE] Reduce FADD/FSUB/FMUL costs on later targets (PR36280) 2018-02-26 22:10:17 +00:00
hsub.ll [X86][AVX] Reduce v4f64/v4i64 shuffle costs (PR37882) 2018-06-21 11:37:13 +00:00
implicitfloat.ll
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in-tree-user.ll [SLP] Fix tests checks, NFC. 2018-02-20 18:11:50 +00:00
insert-after-bundle.ll [SLPVectorizer][X86] Cleanup test case. NFCI 2017-08-06 20:50:19 +00:00
insert-element-build-vector.ll [SLP] Take user instructions cost into consideration in insertelement vectorization. 2018-02-12 14:54:48 +00:00
insertvalue.ll [SLP] Fix PR35777: Incorrect handling of aggregate values. 2018-01-08 14:43:06 +00:00
intrinsic.ll
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jumbled-load-multiuse.ll [SLPVectorizer][X86] Regenerate some tests. NFCI 2018-04-04 13:53:51 +00:00
jumbled-load-shuffle-placement.ll [SLPVectorizer][X86] Regenerate some tests. NFCI 2018-04-04 13:53:51 +00:00
jumbled-load-used-in-phi.ll [SLP] Fix PR36481: vectorize reassociated instructions. 2018-04-03 17:14:47 +00:00
jumbled-load.ll [SLP] Fix PR36481: vectorize reassociated instructions. 2018-04-03 17:14:47 +00:00
limit.ll [SLP] A test for limiting vectorization of instructions, NFC. 2017-06-30 14:37:32 +00:00
lit.local.cfg
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load-merge.ll [SLP] Fix PR35047: Fix default cost model for cast op in X86. 2017-11-07 14:23:44 +00:00
long_chains.ll
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loopinvariant.ll
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metadata.ll
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minimum-sizes.ll [SLP] Add/update tests for SLP vectorizer, NFC. 2018-01-10 21:29:18 +00:00
multi_block.ll
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multi_user.ll
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non-vectorizable-intrinsic.ll
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odd_store.ll [SLPVectorizer][X86] Regenerate some tests. NFCI 2018-04-04 13:53:51 +00:00
operandorder.ll [InstCombine] Canonicalize insert splat sequences into an insert + shuffle 2016-12-28 00:18:08 +00:00
opt.ll
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ordering.ll
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partail.ll [SLP] Distinguish "demanded and shrinkable" from "demanded and not shrinkable" values when determining the minimum bitwidth 2018-04-03 00:05:10 +00:00
phi.ll
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phi3.ll
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phi_landingpad.ll
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phi_overalignedtype.ll
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powof2div.ll [SLPVectorizer] Recognise non uniform power of 2 constants 2018-06-26 16:20:16 +00:00
pr16571.ll
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pr16628.ll
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pr16899.ll
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pr18060.ll
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pr19657.ll [SLP] Fix test checks, NFC. 2018-02-21 15:32:58 +00:00
pr23510.ll
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pr27163.ll
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pr31599.ll [SLP] Remove bogus assert. 2017-01-11 19:23:57 +00:00
pr35497.ll [SLPVectorizer] Add tests related to PR30787, NFCI. 2018-03-29 18:57:03 +00:00
propagate_ir_flags.ll Fixed the lost FastMathFlags for CALL operations in SLPVectorizer. 2016-11-16 00:55:50 +00:00
reassociated-loads.ll [SLP] Fix PR36481: vectorize reassociated instructions. 2018-04-03 17:14:47 +00:00
reduction.ll
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reduction2.ll
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reduction_loads.ll [SLP] Revert everything that has to do with memory access sorting. 2017-03-10 18:59:07 +00:00
reduction_unrolled.ll [TTI] Reduction costs only need to include a single extract element cost 2018-11-15 17:42:53 +00:00
remark_horcost.ll [TTI] Reduction costs only need to include a single extract element cost 2018-11-15 17:42:53 +00:00
remark_listcost.ll [SLP] Added more missed optimization remarks 2017-11-15 17:04:53 +00:00
remark_not_all_parts.ll [SLPVectorizer] Support alternate opcodes in tryToVectorizeList 2018-06-22 16:37:34 +00:00
remark_unsupported.ll [SLP] Added more missed optimization remarks 2017-11-15 17:04:53 +00:00
reorder_phi.ll [X86][SSE] Reduce FADD/FSUB/FMUL costs on later targets (PR36280) 2018-02-26 22:10:17 +00:00
reorder_repeated_ops.ll [SLP] Fix PR36481: vectorize reassociated instructions. 2018-04-03 17:14:47 +00:00
resched.ll [SLPVectorizer] Support alternate opcodes in tryToVectorizeList 2018-06-22 16:37:34 +00:00
return.ll [SLP] Fix tests checks, NFC. 2018-02-20 18:11:50 +00:00
reverse_extract_elements.ll [SLP] Fix for PR32164: Improve vectorization of reverse order of extract operations. 2018-01-16 18:17:01 +00:00
rgb_phi.ll
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saxpy.ll
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schedule-bundle.ll [SLPVectorizer] Schedule bundle with different opcodes. 2017-08-14 15:40:16 +00:00
schedule_budget.ll
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scheduling.ll [SLP] Preserve IR flags when vectorizing horizontal reductions. 2017-03-01 12:43:39 +00:00
sext.ll [SLPVectorizer][X86] Add load extend tests (PR36091) 2018-02-22 12:19:34 +00:00
shift-ashr.ll [SLPVectorizer][X86] Add vectorization tests for vXi64/vXi32/vXi16/VXi8 shifts 2017-05-15 14:27:11 +00:00
shift-lshr.ll [SLPVectorizer][X86] Add vectorization tests for vXi64/vXi32/vXi16/VXi8 shifts 2017-05-15 14:27:11 +00:00
shift-shl.ll [SLPVectorizer][X86] Add vectorization tests for vXi64/vXi32/vXi16/VXi8 shifts 2017-05-15 14:27:11 +00:00
sign-extend.ll [SLP] Take user instructions cost into consideration in insertelement vectorization. 2018-02-12 14:54:48 +00:00
simple-loop.ll
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simplebb.ll [X86][SSE] Reduce FADD/FSUB/FMUL costs on later targets (PR36280) 2018-02-26 22:10:17 +00:00
sitofp.ll [SLPVectorizer][X86] Tests to show missed buildvector sitofp/fptosi vectorizations 2016-12-06 13:29:55 +00:00
sqrt.ll Rename tests 2016-09-18 20:25:41 +00:00
store-jumbled.ll [SLP] Fix PR36481: vectorize reassociated instructions. 2018-04-03 17:14:47 +00:00
stores_vectorize.ll [SLP] Additional tests for stores vectorization, NFC. 2018-03-05 20:20:12 +00:00
tiny-tree.ll [SLPVectorizer][X86] Regenerate some tests. NFCI 2018-04-04 13:53:51 +00:00
uitofp.ll [CostModel][X86] Add realistic vXi64 uitofp vXf64 costs 2018-10-25 13:06:20 +00:00
undef_vect.ll [SLP] Fix crash on propagate IR flags for undef operands of min/max 2017-09-27 17:42:49 +00:00
unreachable.ll
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value-bug.ll [SLP] Take user instructions cost into consideration in insertelement vectorization. 2018-02-12 14:54:48 +00:00
vect_copyable_in_binops.ll Revert r319531 "[SLPVectorizer] Failure to beneficially vectorize 'copyable' elements in integer binary ops." 2017-12-01 16:17:24 +00:00
vector.ll [SLP] A test for vectorization of users of extractelement instructions, 2017-03-06 16:26:00 +00:00
vector_gep.ll Vector GEP test: renamed + some comments 2016-07-06 08:11:23 +00:00
vectorize-reorder-reuse.ll [SLP] Additional tests for reorder reuse vectorization, NFC. 2018-04-09 19:02:34 +00:00
zext.ll [SLPVectorizer][X86] Add load extend tests (PR36091) 2018-02-22 12:19:34 +00:00