[all-commits] [llvm/llvm-project] 4adce3: [win][arm64ec] Fixes to unblock building LLVM and ...

[Daniel Paoliello via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4adce336f46235aa74c95a3664fe8150c640e4f5
      https://github.com/llvm/llvm-project/commit/4adce336f46235aa74c95a3664fe8150c640e4f5
  Author: Daniel Paoliello <danpao at microsoft.com>
  Date:   2025-07-31 (Thu, 31 Jul 2025)

  Changed paths:
    M clang/tools/clang-repl/CMakeLists.txt
    M llvm/lib/Support/BLAKE3/CMakeLists.txt
    M llvm/lib/TargetParser/Host.cpp
    M llvm/tools/llvm-exegesis/lib/X86/Target.cpp
    M third-party/benchmark/src/cycleclock.h

  Log Message:
  -----------
  [win][arm64ec] Fixes to unblock building LLVM and Clang as Arm64EC (#150068)

These changes allow LLVM and Clang to be built with Clang targeting
Arm64EC using the MSVC linker.

Built with these options:
```
-DLLVM_ENABLE_PROJECTS="clang"
-DLLVM_HOST_TRIPLE=arm64ec-pc-windows-msvc
-DCMAKE_C_COMPILER=clang-cl.exe
-DCMAKE_C_COMPILER_TARGET=arm64ec-pc-windows-msvc
-DCMAKE_CXX_COMPILER=clang-cl.exe
-DCMAKE_CXX_COMPILER_TARGET=arm64ec-pc-windows-msvc
-DCMAKE_LINKER_TYPE=MSVC
```



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