[jdk17u-dev] RFR: 8309119: [17u/11u] Redo JDK-8297951: C2: Create skeleton predicates for all If nodes in loop predication [v4]

[Goetz Lindenmaier]

> …or all If nodes in loop predication
> 
> Redo of above change. 
> The patch of 8308884 applied clean with -R.
> Test passes.
> 
> I'll backport JDK-8307683, too.

Goetz Lindenmaier has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:

 - Merge branch 'master' into goetz_8309119
 - Merge branch 'openjdk:master' into goetz_8309119
 - 8309119: [17u/11u] Redo JDK-8297951: C2: Create skeleton predicates for all If nodes in loop predication

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Changes: https://git.openjdk.org/jdk17u-dev/pull/1497/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1497&range=03
  Stats: 85 lines in 2 files changed: 78 ins; 2 del; 5 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1497.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1497/head:pull/1497

PR: https://git.openjdk.org/jdk17u-dev/pull/1497