RFR: 8297384: Add IR tests for existing idealizations of arithmetic nodes [v4]

Wed Nov 23 20:04:52 UTC 2022

> I noticed some idealizations have no associated IR tests so I included for them.

Zhiqiang Zang has updated the pull request incrementally with one additional commit since the last revision:

  restrict RotateLeft/Right tests from running on x86.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/11049/files
  - new: https://git.openjdk.org/jdk/pull/11049/files/bb92a752..02c2d5e9

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11049&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11049&range=02-03

  Stats: 2 lines in 2 files changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/11049.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11049/head:pull/11049

PR: https://git.openjdk.org/jdk/pull/11049