[PATCH] D42981: [COST] Fix cost model of load instructions on X86

[Alexey Bataev via Phabricator via llvm-commits]

ABataev updated this revision to Diff 309604.
ABataev added a comment.
Herald added subscribers: pengfei, hiraditya.

Rebased ands reworked. Excluded SLM as its cost model is not quite correct.
Gives perf improvement for cpu2017.511.povray_r ~3% and improves performance up to 8% in some other cases.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D42981/new/

https://reviews.llvm.org/D42981

Files:
  llvm/lib/Target/X86/X86TargetTransformInfo.cpp
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Analysis/CostModel/X86/interleave-load-i32.ll
  llvm/test/Analysis/CostModel/X86/vectorized-loop.ll
  llvm/test/Transforms/LoopVectorize/X86/interleaving.ll
  llvm/test/Transforms/LoopVectorize/X86/pr34438.ll
  llvm/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll
  llvm/test/Transforms/PhaseOrdering/X86/vector-reductions-expanded.ll
  llvm/test/Transforms/PhaseOrdering/X86/vector-reductions.ll
  llvm/test/Transforms/SLPVectorizer/X86/extract_in_tree_user.ll
  llvm/test/Transforms/SLPVectorizer/X86/horizontal-list.ll
  llvm/test/Transforms/SLPVectorizer/X86/load-merge.ll
  llvm/test/Transforms/SLPVectorizer/X86/lookahead.ll
  llvm/test/Transforms/SLPVectorizer/X86/pr35497.ll
  llvm/test/Transforms/SLPVectorizer/X86/reduction_unrolled.ll
  llvm/test/Transforms/SLPVectorizer/X86/remark_horcost.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D42981.309604.patch
Type: text/x-patch
Size: 65480 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20201204/9b0c102d/attachment.bin>