RFR: 8285369: C2: emit reduction flag value in node and loop dumps

Thu Apr 21 16:41:28 UTC 2022

On Thu, 21 Apr 2022 11:51:21 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

> This (trivial?) enhancement emits the `LoopNode::HasReductions` flag from `CountedLoopNode::dump_spec()` and `IdealLoopTree::dump_head()`, and `Node::Flag_is_reduction` from `IdealGraphPrinter::print()`. This proved to be useful in the investigation of [JDK-8279622](https://bugs.openjdk.java.net/browse/JDK-8279622).
> 
> Tested on linux-x64 (build and hs-tier1).

Good and trivial.

-------------

Marked as reviewed by kvn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/8336