8266328: C2: Remove InlineWarmCalls

[iwanowww]

Remove InlineWarmCalls and all relevant code.

It was introduced long time ago and didn't get much attention since then. I don't see any value in keeping it around.
And there's incremental inlining support in C2 now.

Testing:

• hs-tier1 - hs-tier2

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change must be properly reviewed

Issue

• JDK-8266328: C2: Remove InlineWarmCalls

Reviewers

• Vladimir Kozlov (@vnkozlov - Reviewer)
• Igor Veresov (@veresov - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk pull/3805/head:pull/3805
$ git checkout pull/3805

Update a local copy of the PR:
$ git checkout pull/3805
$ git pull https://git.openjdk.java.net/jdk pull/3805/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 3805

View PR using the GUI difftool:
$ git pr show -t 3805

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk/pull/3805.diff

[bridgekeeper]

👋 Welcome back vlivanov! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@iwanowww The following label will be automatically applied to this pull request:

• hotspot-compiler

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[mlbridge]

Webrevs

• 00: Full (27f494e6)

[vnkozlov]

I assume @veresov uses different approach.

[openjdk]

@iwanowww This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8266328: C2: Remove InlineWarmCalls

Reviewed-by: kvn, iveresov

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 78 new commits pushed to the master branch:

• 51b2188: 8266267: Remove unnecessary jumps in Intel Math Library StubRoutines
• 2c381e0: 8262376: ReplaceCriticalClassesForSubgraphs.java fails if --with-build-jdk is used
• 5ecef01: 8266217: ZGC: Improve the -Xlog:gc+init output for NUMA
• 5d8c1cc: 8255410: Add ChaCha20 and Poly1305 support to SunPKCS11 provider
• 46b4a14: 8266315: Problem list failing test java/awt/font/TextLayout/LigatureCaretTest.java
• 42af7da: 8265933: Move Java monitor related fields from class Thread to JavaThread
• 1afbab6: 8263998: Remove mentions of mc region in comments
• 51b2fb5: 8266299: ProblemList runtime/stringtable/StringTableCleaningTest.java on linux-aarch64 with ZGC
• 49d0458: 8266288: assert root method not found in witnessed_reabstraction_in_supers is too strong
• 01415f3: 8266250: WebSocketTest and WebSocketProxyTest call assertEquals(List<byte[]>, List<byte[]>)
• ... and 68 more: https://git.openjdk.java.net/jdk/compare/f560b8923378042b1cb162de4e1c65ea1c875af0...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[iwanowww]

Thanks for the reviews, Vladimir and Igor.

/integrate

[openjdk]

@iwanowww Since your change was applied there have been 92 commits pushed to the master branch:

• 928d632: 8252237: C2: Call to compute_separating_interferences has wrong argument order
• 50fa162: 8266389: ProblemList java/awt/Graphics2D/DrawString/DrawRotatedStringUsingRotatedFont.java on generic-all
• dd05158: 8266155: Convert java.base to use Stream.toList()
• c36c63a: 8260560: convert jdeps and jdeprscan tools to use Stream.toList()
• 096e9e5: 8266318: Switch to macos prefix for macOS bundles
• 0544a73: 8255227: java/net/httpclient/FlowAdapterPublisherTest.java intermittently failing with TestServer: start exception: java.io.IOException: Invalid preface
• 48bb996: 8266220: keytool still prompt for store password on a password-less pkcs12 file if -storetype pkcs12 is specified
• 87de5b7: 8266040: Lanai: Incorrect calculations of clipping boundaries
• eb8db12: 8263396: Atomic::CmpxchgByteUsingInt::set_byte_in_int needs an explicit cast
• 07ecd42: 8258602: JavaDoc field summary does not indicate final modifier
• ... and 82 more: https://git.openjdk.java.net/jdk/compare/f560b8923378042b1cb162de4e1c65ea1c875af0...master

Your commit was automatically rebased without conflicts.

Pushed as commit f86b70c.

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