masahi commented on a change in pull request #9223:
URL: https://github.com/apache/tvm/pull/9223#discussion_r728534141
##########
File path: src/target/llvm/llvm_common.cc
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@@ -139,8 +152,22 @@ std::unique_ptr<llvm::TargetMachine>
GetLLVMTargetMachine(const Target& target,
ICHECK(allow_null) << err << " target_triple=" << target_triple;
return nullptr;
}
- llvm::TargetMachine* tm =
- llvm_target->createTargetMachine(target_triple, mcpu, mattr, opt,
llvm::Reloc::PIC_);
+
+ Integer llvm_opt_level = target->GetAttr<Integer>("O").value_or(Integer(2));
Review comment:
See
https://github.com/apache/tvm/blob/3229cb329254764499dd672bb28fd9685ecd6a2e/src/target/llvm/codegen_llvm.cc#L346.
I think they refer to the same opt level.
I don't see why users would want to choose an opt level other than 3.
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