[all-commits] [llvm/llvm-project] 72ad9b: [Clang][MicrosoftMangle] Implement mangling for Co...

[Reid Kleckner via All-commits]

  Branch: refs/heads/release/20.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 72ad9be1e337f487c9db4dd634005d09f7bf2790
      https://github.com/llvm/llvm-project/commit/72ad9be1e337f487c9db4dd634005d09f7bf2790
  Author: Losy001 <64610343+Losy001 at users.noreply.github.com>
  Date:   2025-05-10 (Sat, 10 May 2025)

  Changed paths:
    M clang/lib/AST/MicrosoftMangle.cpp
    A clang/test/CodeGenCXX/mangle-ms-matrix.cpp

  Log Message:
  -----------
  [Clang][MicrosoftMangle] Implement mangling for ConstantMatrixType (#134930)

This pull request implements mangling for ConstantMatrixType, allowing
matrices to be used on Windows.

Related issues: #53158, #127127

This example code:
```cpp
#include <typeinfo>
#include <stdio.h>

typedef float Matrix4 __attribute__((matrix_type(4, 4)));

int main()
{
  printf("%s\n", typeid(Matrix4).name());
}
```
Outputs this:
```
struct __clang::__matrix<float,4,4>
```

(cherry picked from commit f5a30f111dc4ad6422863722eb708059a68a9d5c)


  Commit: 41c36d94080488cc938b1c1697c7e8353405cd75
      https://github.com/llvm/llvm-project/commit/41c36d94080488cc938b1c1697c7e8353405cd75
  Author: Reid Kleckner <rnk at google.com>
  Date:   2025-05-10 (Sat, 10 May 2025)

  Changed paths:
    M clang/lib/AST/MicrosoftMangle.cpp

  Log Message:
  -----------
  [clang] Fix unused variable warning in MS mangler from constant matrix patch

(cherry picked from commit ccdd55c518277d749eff878ffcb5ca3de55c2a60)


Compare: https://github.com/llvm/llvm-project/compare/0019b7d0ae0b...41c36d940804

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