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3.34476e
2009 Sep 10
0
[LLVMdev] Loading ProfileInfo in Backend. (Was: [PATCH] & Question: Preserving ProfileInfo for backend.)
> It *is* allowed to access ModulePass analysis information from an
> FunctionPass?
BasicBlockPlacement (a FunctionPass) also accesses the profile
information and I assumed it worked (but haven't independently
verified this).
> Can you try to manually override the PI value in the
> MyCodeGenPass::runOnMachineFunction() to the value seen in llc and then
> access the
2009 Sep 10
2
[LLVMdev] Loading ProfileInfo in Backend. (Was: [PATCH] & Question: Preserving ProfileInfo for backend.)
Shuguang Feng wrote:
>> What does "llc -debug-pass=Structure" say? Is the ProfileLoaderPass
>> really the last pass to touch the ProfileInfo before you are using it?
>
> Below is the sequence of passes that I see. Although the
> NoProfileInfo pass is being run, it should be subsequently overridden
> by ProfileInfoLoaderPass (LoaderPass) correct?
Yes.
>