Cheerpos fixes3

[alexp-sssup]

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[Copilot]

Pull Request Overview

This PR adds support for CheerpOS as a new vendor type in the LLVM Triple system, extending Cheerp compiler support to target CheerpOS environments. This involves adding CheerpOS as a vendor option and updating various compiler toolchain components to handle CheerpOS-specific configurations.

• Added CheerpOS as a new vendor type in the Triple system
• Updated Cheerp toolchain to handle CheerpOS-specific features like shared memory and imported memory
• Modified target selection logic to use Cheerp backend for CheerpOS targets

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
llvm/include/llvm/ADT/Triple.h	Added CheerpOS vendor enum and updated Cheerp-related target detection methods
llvm/lib/Support/Triple.cpp	Added CheerpOS vendor name parsing and string conversion support
clang/lib/Driver/ToolChains/WebAssembly.h	Updated getWasmFeatures function signature to accept Triple parameter
clang/lib/Driver/ToolChains/WebAssembly.cpp	Enhanced Cheerp toolchain with CheerpOS-specific memory configurations and Triple parameter usage
clang/lib/Driver/ToolChains/Clang.cpp	Updated function call to pass Triple parameter to getWasmFeatures
clang/lib/Driver/Driver.cpp	Added CheerpOS target triple handling and toolchain selection
clang/lib/Basic/Targets/WebAssembly.h	Added Triple filtering for CheerpOS targets and CPU validation methods
clang/lib/Basic/Targets/WebAssembly.cpp	Implemented CPU name validation for Cheerp target
clang/lib/Basic/Targets.cpp	Added CheerpOS target selection logic

[yuri91]

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