[PATCH] D82817: [llvm] Native size estimator for training -Oz inliner
David Li via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 9 10:18:34 PDT 2020
davidxl added inline comments.
================
Comment at: llvm/lib/Analysis/InlineSizeEstimatorAnalysis.cpp:217
+
+void IRToNativeSizeLearning::FunctionFeatures::fillTensor(int32_t *Ptr) const {
+ int Pos = 0;
----------------
To avoid this translation, the Features can be a wrapper of the tensor array -- with each field accessed with a symbolic index.
================
Comment at: llvm/lib/Analysis/InlineSizeEstimatorAnalysis.cpp:263
+ return None;
+ auto Features = IRToNativeSizeLearning::getFunctionFeatures(
+ const_cast<Function &>(F), FAM);
----------------
Can we make getFunctionFeatures directly return the filled tensor -- or at least provide a wrapper? There is no need to expose the TF details with the inline sequence here.
================
Comment at: llvm/lib/Analysis/InlineSizeEstimatorAnalysis.cpp:268
+ std::vector<TF_Tensor *> Output{nullptr};
+ if (!Evaluator->evaluate(Output))
+ return None;
----------------
Code from line 268 to 271 can probably be wrapped in a single wrapper function to hide TF details including Tensor delete
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https://reviews.llvm.org/D82817/new/
https://reviews.llvm.org/D82817
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