RFR: 8261336: IGV: enhance default filters [v2]

[Roberto Castañeda Lozano]

On Fri, 12 Feb 2021 12:14:53 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> Roberto Castañeda Lozano has updated the pull request incrementally with five additional commits since the last revision:
>> 
>>  - Rewrite 'Show control flow only' filter using categories
>>  - Add leading underscore field
>>  - Move assertion to a default switch case
>>  - Indent switch statements
>>  - Use a scoped enum for type categories (as per the HotSpot style guide)
>
> src/hotspot/share/opto/idealGraphPrinter.hpp line 95:
> 
>> 93:   bool _traverse_outs;
>> 94:   Compile *C;
>> 95:   double max_freq;
> 
> Fields should have a leading underscore.

Done.

> src/hotspot/share/opto/type.cpp line 1120:
> 
>> 1118: Type::CATEGORY Type::category() const {
>> 1119:   const TypeTuple* tuple;
>> 1120:   switch (base()) {
> 
> Might be more readable if switch cases are indented.

Done.

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PR: https://git.openjdk.java.net/jdk/pull/2499