[webkit-changes] [WebKit/WebKit] 715e47: [JSC] Remove TierUp counters from OMG

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 715e471ba25a66d7737fc279cfb439ae8e7141ca
      https://github.com/WebKit/WebKit/commit/715e471ba25a66d7737fc279cfb439ae8e7141ca
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2024-09-26 (Thu, 26 Sep 2024)

  Changed paths:
    M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
    M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.h
    M Source/JavaScriptCore/wasm/WasmOMGIRGenerator32_64.cpp

  Log Message:
  -----------
  [JSC] Remove TierUp counters from OMG
https://bugs.webkit.org/show_bug.cgi?id=280397
rdar://136739473

Reviewed by Alexey Shvayka and Justin Michaud.

These code was used when B3-based wasm code was used for BBQ too, but it
is no longer used and B3-based wasm code is only used for the highest
tier OMG. Thus we will never use TierUpCounter in OMG. This patch
removes it.

* Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp:
(JSC::Wasm::OMGIRGenerator::OMGIRGenerator):
(JSC::Wasm::OMGIRGenerator::addLoop):
(JSC::Wasm::OMGIRGenerator::addEndToUnreachable):
(JSC::Wasm::parseAndCompileOMG):
(JSC::Wasm::OMGIRGenerator::outerLoopIndex const): Deleted.
(JSC::Wasm::OMGIRGenerator::emitEntryTierUpCheck): Deleted.
(JSC::Wasm::OMGIRGenerator::emitLoopTierUpCheck): Deleted.
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator.h:
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator32_64.cpp:
(JSC::Wasm::OMGIRGenerator::OMGIRGenerator):
(JSC::Wasm::OMGIRGenerator::addLoop):
(JSC::Wasm::OMGIRGenerator::addEndToUnreachable):
(JSC::Wasm::parseAndCompileOMG):
(JSC::Wasm::OMGIRGenerator::outerLoopIndex const): Deleted.
(JSC::Wasm::OMGIRGenerator::emitEntryTierUpCheck): Deleted.
(JSC::Wasm::OMGIRGenerator::emitLoopTierUpCheck): Deleted.

Canonical link: https://commits.webkit.org/284285@main



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