[webkit-changes] [WebKit/WebKit] f91396: [WGSL] Generate code based on the call graph inste...

[Tadeu Zagallo]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: f91396565739ef8714432b1c8aa42f4e95e5d166
      https://github.com/WebKit/WebKit/commit/f91396565739ef8714432b1c8aa42f4e95e5d166
  Author: Tadeu Zagallo <tzagallo at apple.com>
  Date:   2023-03-15 (Wed, 15 Mar 2023)

  Changed paths:
    M Source/WebGPU/WGSL/Metal/MetalCodeGenerator.cpp
    M Source/WebGPU/WGSL/Metal/MetalCodeGenerator.h
    M Source/WebGPU/WGSL/Metal/MetalFunctionWriter.cpp
    M Source/WebGPU/WGSL/Metal/MetalFunctionWriter.h
    M Source/WebGPU/WGSL/WGSL.cpp

  Log Message:
  -----------
  [WGSL] Generate code based on the call graph instead of full AST
https://bugs.webkit.org/show_bug.cgi?id=253664
rdar://106512158

Reviewed by Myles C. Maxfield.

Currently we generate code for the full AST, including code that might be unreachable
from the entrypoints being compiled. Use the CallGraph instead so we don't generate
unnecessary code.

* Source/WebGPU/WGSL/Metal/MetalCodeGenerator.cpp:
(WGSL::Metal::generateMetalCode):
* Source/WebGPU/WGSL/Metal/MetalCodeGenerator.h:
* Source/WebGPU/WGSL/Metal/MetalFunctionWriter.cpp:
(WGSL::Metal::FunctionDefinitionWriter::FunctionDefinitionWriter):
(WGSL::Metal::FunctionDefinitionWriter::write):
(WGSL::Metal::FunctionDefinitionWriter::visit):
(WGSL::Metal::emitMetalFunctions):
* Source/WebGPU/WGSL/Metal/MetalFunctionWriter.h:
* Source/WebGPU/WGSL/WGSL.cpp:
(WGSL::prepareImpl):

Canonical link: https://commits.webkit.org/261686@main