[webkit-changes] [WebKit/WebKit] 015a6c: [WGSL] Add support for constant indexing of vector...

[Tadeu Zagallo]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 015a6cdeb6aa6c9b161c15649ddeaa507dcecf03
      https://github.com/WebKit/WebKit/commit/015a6cdeb6aa6c9b161c15649ddeaa507dcecf03
  Author: Tadeu Zagallo <tzagallo at apple.com>
  Date:   2023-11-09 (Thu, 09 Nov 2023)

  Changed paths:
    M Source/WebGPU/WGSL/ConstantValue.cpp
    M Source/WebGPU/WGSL/ConstantValue.h
    M Source/WebGPU/WGSL/TypeCheck.cpp

  Log Message:
  -----------
  [WGSL] Add support for constant indexing of vectors, arrays and matrices
https://bugs.webkit.org/show_bug.cgi?id=264430
rdar://118130183

Reviewed by Mike Wyrzykowski.

Perform bounds checking and set the constant result of the access if both the
base and the index are constants.

* Source/WebGPU/WGSL/ConstantValue.cpp:
(WGSL::ConstantArray::operator[]):
(WGSL::ConstantVector::operator[]):
(WGSL::ConstantMatrix::operator[]):
* Source/WebGPU/WGSL/ConstantValue.h:
(WGSL::ConstantArray::upperBound):
(WGSL::ConstantVector::upperBound):
(WGSL::ConstantMatrix::upperBound):
* Source/WebGPU/WGSL/TypeCheck.cpp:
(WGSL::TypeChecker::visit):

Canonical link: https://commits.webkit.org/270436@main