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3 Commits

Author SHA1 Message Date
Philip Reames
ee764a2603
[SLP] Remove -slp-optimize-identity-hor-reduction-ops option (#106238) 
This code has been unchanged for two years; let's simplify the code
and remove configurability which makes the code harder to follow.
 2024-08-27 13:21:57 -07:00
Alexey Bataev
e03d254bbd [SLP]Do not reduce repeated values, use scalar red ops instead. 
Metric: size..text

                                                     size..text                 results     results0    diff
SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-980605-1.test      445.00      461.00  3.6%
SingleSource/Benchmarks/Adobe-C++/loop_unroll.test                               428477.00   428445.00 -0.0%
External/SPEC/CFP2006/447.dealII/447.dealII.test                                 618849.00   618785.00 -0.0%

For all tests some extra code was optimized, GCC-C-execute has some more
inlining after

Differential Revision: https://reviews.llvm.org/D132261
 2023-02-17 07:19:35 -08:00
Alexey Bataev
2f8f17c157 [SLP]Fix PR58956: fix insertpoint for reduced buildvector graphs. 
If the graph is only the buildvector node without main operation, need
to inherit insrtpoint from the redution instruction. Otherwise the
compiler crashes trying to insert instruction at the entry block.
 2022-11-16 07:38:49 -08:00