72c8c4c1106efcd8b54d523c07201314271ee158 - llvm-project/llvm

commit	72c8c4c1106efcd8b54d523c07201314271ee158	[log] [tgz]
author	Alexey Bataev <a.bataev@outlook.com>	Fri Sep 22 06:52:40 2023 -0700
committer	Copybara-Service <copybara-worker@google.com>	Fri Sep 29 07:54:25 2023 -0700
tree	6acd7f90734e4b4d03060f2f966b61b9deb2f48c
parent	12beede13000af8a766d8a0ec04c4f69582985ef [diff]

[SLP]Improve costs in computeExtractCost() to avoid crash after D158449.

Need to consider the length of the original vector for extractelements,
not the length, matched number of the scalars. It fixes 2 issues: 1)
improves cost estimation; 2) Fixes crashes after D158449.

GitOrigin-RevId: 019aee832768b0704048905cd8ce20299e7e0b25

lib/Transforms/Vectorize/SLPVectorizer.cpp[diff]
test/Transforms/SLPVectorizer/AMDGPU/add_sub_sat-inseltpoison.ll[diff]
test/Transforms/SLPVectorizer/AMDGPU/add_sub_sat.ll[diff]
test/Transforms/SLPVectorizer/AMDGPU/crash_extract_subvector_cost.ll[diff]
test/Transforms/SLPVectorizer/AMDGPU/phi-result-use-order.ll[diff]
test/Transforms/SLPVectorizer/RISCV/math-function.ll[diff]
test/Transforms/SLPVectorizer/X86/alternate-calls-inseltpoison.ll[diff]
test/Transforms/SLPVectorizer/X86/alternate-calls.ll[diff]
test/Transforms/SLPVectorizer/X86/crash_clear_undefs.ll[diff]
test/Transforms/SLPVectorizer/X86/hadd-inseltpoison.ll[diff]
test/Transforms/SLPVectorizer/X86/hadd.ll[diff]
test/Transforms/SLPVectorizer/X86/hsub-inseltpoison.ll[diff]
test/Transforms/SLPVectorizer/X86/hsub.ll[diff]
test/Transforms/SLPVectorizer/X86/one-element-vector.ll[Added - diff]
test/Transforms/SLPVectorizer/X86/reduction-transpose.ll[diff]

15 files changed

tree: 6acd7f90734e4b4d03060f2f966b61b9deb2f48c