kou commented on code in PR #37867:
URL: https://github.com/apache/arrow/pull/37867#discussion_r1342181374
##########
cpp/src/gandiva/engine.cc:
##########
@@ -268,49 +283,104 @@ Status Engine::LoadPreCompiledIR() {
// a pass for dead code elimination.
Status Engine::RemoveUnusedFunctions() {
// Setup an optimiser pipeline
- std::unique_ptr<llvm::legacy::PassManager> pass_manager(
- new llvm::legacy::PassManager());
+ llvm::PassBuilder pass_builder;
+ llvm::ModuleAnalysisManager module_am;
+
+ pass_builder.registerModuleAnalyses(module_am);
+ llvm::ModulePassManager module_pm;
std::unordered_set<std::string> used_functions;
used_functions.insert(functions_to_compile_.begin(),
functions_to_compile_.end());
- pass_manager->add(
- llvm::createInternalizePass([&used_functions](const llvm::GlobalValue&
func) {
- return (used_functions.find(func.getName().str()) !=
used_functions.end());
+ module_pm.addPass(
+ llvm::InternalizePass([&used_functions](const llvm::GlobalValue& GV) ->
bool {
+ return used_functions.find(GV.getName().str()) != used_functions.end();
Review Comment:
How about lower case for like others?
```suggestion
llvm::InternalizePass([&used_functions](const llvm::GlobalValue& gv)
-> bool {
return used_functions.find(gv.getName().str()) !=
used_functions.end();
```
Or can we use `variable` instead of `gv` for readability?
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