Integrated: 8280120: [IR Framework] Add attribute to @IR to enable/disable IR matching based on the architecture

[Daniel Skantz]

On Wed, 27 Sep 2023 06:12:25 GMT, Daniel Skantz <duke at openjdk.org> wrote:

> This PR adds support for platform features in IR Framework preconditions. This allows us to write platform-specific IR checks in the same .java test file.
> 
> Platforms considered in this PR are: operating system, arch, and data model (32 or 64-bit VM). Supported field values correspond to vm.simpleArch, os.family, and vm.bits, as used in jtreg `@requires` fields. We use the Platform library methods to accomplish this. Otherwise, the new preconditions work similar to the corresponding CPUFeature preconditions.
> 
> Testing: T1-T3, GHA.
> 
> Additional testing: Tweaked SW test succeeds with removed `@requires` field and added IR platform precondition, but fails with just removed `@requires` field on 32-bit Linux. Performed a few spot tests with incorrectly formatted preconditions, and with valid platform checks but invalid counts.

This pull request has now been integrated.

Changeset: a8549b63
Author:    Daniel Skantz <daniel.skantz at oracle.com>
Committer: Emanuel Peter <epeter at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/a8549b63674be433617b986f392e4ff7afef5185
Stats:     285 lines in 6 files changed: 280 ins; 1 del; 4 mod

8280120: [IR Framework] Add attribute to @IR to enable/disable IR matching based on the architecture

Reviewed-by: rcastanedalo, epeter, thartmann

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PR: https://git.openjdk.org/jdk/pull/15938