[all-commits] [llvm/llvm-project] 4a8e6e: [SLP, LV] Use poison constant vector for shufflevec...
Juneyoung Lee via All-commits
all-commits at lists.llvm.org
Tue Jan 5 18:27:10 PST 2021
Branch: refs/heads/master
Home: https://github.com/llvm/llvm-project
Commit: 4a8e6ed2f795b78061b02899aed4642bdb9cdc7e
https://github.com/llvm/llvm-project/commit/4a8e6ed2f795b78061b02899aed4642bdb9cdc7e
Author: Juneyoung Lee <aqjune at gmail.com>
Date: 2021-01-06 (Wed, 06 Jan 2021)
Changed paths:
M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
M llvm/test/Transforms/LoopVectorize/AArch64/aarch64-predication.ll
M llvm/test/Transforms/LoopVectorize/AArch64/extractvalue-no-scalarization-required.ll
M llvm/test/Transforms/LoopVectorize/ARM/mve-gather-scatter-tailpred.ll
M llvm/test/Transforms/LoopVectorize/ARM/mve-reduction-predselect.ll
M llvm/test/Transforms/LoopVectorize/ARM/mve-reduction-types.ll
M llvm/test/Transforms/LoopVectorize/ARM/mve-reductions.ll
M llvm/test/Transforms/LoopVectorize/SystemZ/addressing.ll
M llvm/test/Transforms/LoopVectorize/SystemZ/predicated-first-order-recurrence.ll
M llvm/test/Transforms/LoopVectorize/X86/consecutive-ptr-uniforms.ll
M llvm/test/Transforms/LoopVectorize/X86/gather_scatter.ll
M llvm/test/Transforms/LoopVectorize/X86/invariant-store-vectorization.ll
M llvm/test/Transforms/LoopVectorize/X86/load-deref-pred.ll
M llvm/test/Transforms/LoopVectorize/X86/masked_load_store.ll
M llvm/test/Transforms/LoopVectorize/X86/metadata-enable.ll
M llvm/test/Transforms/LoopVectorize/X86/optsize.ll
M llvm/test/Transforms/LoopVectorize/X86/small-size.ll
M llvm/test/Transforms/LoopVectorize/X86/strided_load_cost.ll
M llvm/test/Transforms/LoopVectorize/X86/tail_loop_folding.ll
M llvm/test/Transforms/LoopVectorize/X86/uniform_mem_op.ll
M llvm/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll
M llvm/test/Transforms/LoopVectorize/X86/x86-interleaved-accesses-masked-group.ll
M llvm/test/Transforms/LoopVectorize/X86/x86-predication.ll
M llvm/test/Transforms/LoopVectorize/consecutive-ptr-uniforms.ll
M llvm/test/Transforms/LoopVectorize/first-order-recurrence-complex.ll
M llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll
M llvm/test/Transforms/LoopVectorize/if-pred-non-void.ll
M llvm/test/Transforms/LoopVectorize/induction.ll
M llvm/test/Transforms/LoopVectorize/pr39417-optsize-scevchecks.ll
M llvm/test/Transforms/LoopVectorize/pr44488-predication.ll
M llvm/test/Transforms/LoopVectorize/reduction-inloop-pred.ll
M llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll
M llvm/test/Transforms/PhaseOrdering/X86/vector-reductions.ll
M llvm/test/Transforms/SLPVectorizer/AArch64/commute.ll
M llvm/test/Transforms/SLPVectorizer/AArch64/gather-cost.ll
M llvm/test/Transforms/SLPVectorizer/AArch64/gather-root.ll
M llvm/test/Transforms/SLPVectorizer/AArch64/getelementptr.ll
M llvm/test/Transforms/SLPVectorizer/AArch64/matmul.ll
M llvm/test/Transforms/SLPVectorizer/AArch64/vectorizable-selects-uniform-cmps.ll
M llvm/test/Transforms/SLPVectorizer/AMDGPU/packed-math.ll
M llvm/test/Transforms/SLPVectorizer/SystemZ/pr34619.ll
M llvm/test/Transforms/SLPVectorizer/X86/PR35628_2.ll
M llvm/test/Transforms/SLPVectorizer/X86/PR35777.ll
M llvm/test/Transforms/SLPVectorizer/X86/PR35865-inseltpoison.ll
M llvm/test/Transforms/SLPVectorizer/X86/PR35865.ll
M llvm/test/Transforms/SLPVectorizer/X86/PR39774.ll
M llvm/test/Transforms/SLPVectorizer/X86/PR40310.ll
M llvm/test/Transforms/SLPVectorizer/X86/alternate-int-inseltpoison.ll
M llvm/test/Transforms/SLPVectorizer/X86/alternate-int.ll
M llvm/test/Transforms/SLPVectorizer/X86/bad-reduction.ll
M llvm/test/Transforms/SLPVectorizer/X86/barriercall.ll
M llvm/test/Transforms/SLPVectorizer/X86/broadcast.ll
M llvm/test/Transforms/SLPVectorizer/X86/cmp_sel.ll
M llvm/test/Transforms/SLPVectorizer/X86/commutativity.ll
M llvm/test/Transforms/SLPVectorizer/X86/compare-reduce.ll
M llvm/test/Transforms/SLPVectorizer/X86/crash_cmpop.ll
M llvm/test/Transforms/SLPVectorizer/X86/crash_lencod.ll
M llvm/test/Transforms/SLPVectorizer/X86/crash_mandeltext.ll
M llvm/test/Transforms/SLPVectorizer/X86/crash_smallpt.ll
M llvm/test/Transforms/SLPVectorizer/X86/cse.ll
M llvm/test/Transforms/SLPVectorizer/X86/diamond.ll
M llvm/test/Transforms/SLPVectorizer/X86/extract.ll
M llvm/test/Transforms/SLPVectorizer/X86/extract_in_tree_user.ll
M llvm/test/Transforms/SLPVectorizer/X86/extractcost.ll
M llvm/test/Transforms/SLPVectorizer/X86/extractelement.ll
M llvm/test/Transforms/SLPVectorizer/X86/fabs-cost-softfp.ll
M llvm/test/Transforms/SLPVectorizer/X86/hoist.ll
M llvm/test/Transforms/SLPVectorizer/X86/horizontal-list.ll
M llvm/test/Transforms/SLPVectorizer/X86/horizontal-minmax.ll
M llvm/test/Transforms/SLPVectorizer/X86/in-tree-user.ll
M llvm/test/Transforms/SLPVectorizer/X86/insert-after-bundle.ll
M llvm/test/Transforms/SLPVectorizer/X86/insert-element-build-vector-inseltpoison.ll
M llvm/test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll
M llvm/test/Transforms/SLPVectorizer/X86/jumbled-load-multiuse.ll
M llvm/test/Transforms/SLPVectorizer/X86/jumbled-load.ll
M llvm/test/Transforms/SLPVectorizer/X86/jumbled_store_crash.ll
M llvm/test/Transforms/SLPVectorizer/X86/long_chains.ll
M llvm/test/Transforms/SLPVectorizer/X86/lookahead.ll
M llvm/test/Transforms/SLPVectorizer/X86/loopinvariant.ll
M llvm/test/Transforms/SLPVectorizer/X86/minimum-sizes.ll
M llvm/test/Transforms/SLPVectorizer/X86/multi_user.ll
M llvm/test/Transforms/SLPVectorizer/X86/operandorder.ll
M llvm/test/Transforms/SLPVectorizer/X86/partail.ll
M llvm/test/Transforms/SLPVectorizer/X86/phi.ll
M llvm/test/Transforms/SLPVectorizer/X86/phi3.ll
M llvm/test/Transforms/SLPVectorizer/X86/phi_overalignedtype.ll
M llvm/test/Transforms/SLPVectorizer/X86/pr35497.ll
M llvm/test/Transforms/SLPVectorizer/X86/pr46983.ll
M llvm/test/Transforms/SLPVectorizer/X86/pr47629-inseltpoison.ll
M llvm/test/Transforms/SLPVectorizer/X86/pr47629.ll
M llvm/test/Transforms/SLPVectorizer/X86/reduction2.ll
M llvm/test/Transforms/SLPVectorizer/X86/reorder_repeated_ops.ll
M llvm/test/Transforms/SLPVectorizer/X86/resched.ll
M llvm/test/Transforms/SLPVectorizer/X86/saxpy.ll
M llvm/test/Transforms/SLPVectorizer/X86/supernode.ll
M llvm/test/Transforms/SLPVectorizer/X86/tiny-tree.ll
M llvm/test/Transforms/SLPVectorizer/X86/used-reduced-op.ll
M llvm/test/Transforms/SLPVectorizer/X86/value-bug-inseltpoison.ll
M llvm/test/Transforms/SLPVectorizer/X86/value-bug.ll
M llvm/test/Transforms/SLPVectorizer/X86/vectorize-reorder-reuse.ll
M llvm/test/Transforms/SLPVectorizer/slp-max-phi-size.ll
Log Message:
-----------
[SLP,LV] Use poison constant vector for shufflevector/initial insertelement
This patch makes SLP and LV emit operations with initial vectors set to poison constant instead of undef.
This is a part of efforts for using poison vector instead of undef to represent "doesn't care" vector.
The goal is to make nice shufflevector optimizations valid that is currently incorrect due to the tricky interaction between undef and poison (see https://bugs.llvm.org/show_bug.cgi?id=44185 ).
Reviewed By: fhahn
Differential Revision: https://reviews.llvm.org/D94061
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