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Add max_bb_count to exegesis converter #35

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merged 2 commits into from
Feb 5, 2024
Merged

Add max_bb_count to exegesis converter #35

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6c198e6
Add max_bb_count to exegesis converter
boomanaiden154 Jan 27, 2024
9cbf9f2
Merge branch 'main' into exegesis-converter-bb-limit
boomanaiden154 Feb 5, 2024
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8 changes: 7 additions & 1 deletion gematria/datasets/convert_bhive_to_llvm_exegesis_input.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@

#include <fstream>
#include <iostream>
#include <limits>
#include <memory>
#include <sstream>
#include <string>
Expand Down Expand Up @@ -44,6 +45,8 @@ ABSL_FLAG(std::string, bhive_csv, "", "Filename of the input BHive CSV file");
ABSL_FLAG(
std::string, output_dir, "",
"Directory containing output files that can be executed by llvm-exegesis");
ABSL_FLAG(unsigned, max_bb_count, std::numeric_limits<unsigned>::max(),
"The maximum number of basic blocks to process");

int main(int argc, char* argv[]) {
absl::ParseCommandLine(argc, argv);
Expand Down Expand Up @@ -102,7 +105,10 @@ int main(int argc, char* argv[]) {
gematria::BHiveImporter bhive_importer(&canonicalizer);

std::ifstream bhive_csv_file(bhive_filename);
const unsigned max_bb_count = absl::GetFlag(FLAGS_max_bb_count);
for (std::string line; std::getline(bhive_csv_file, line);) {
if (file_counter >= max_bb_count) break;

auto comma_index = line.find(',');
if (comma_index == std::string::npos) {
std::cerr << "Invalid CSV file: no comma in line '" << line << "'\n";
Expand Down Expand Up @@ -173,4 +179,4 @@ int main(int argc, char* argv[]) {

file_counter++;
}
}
}
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