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As with other 64-bit Windows platforms, Arm64EC uses LLP64 not LP64

@llvmbot llvmbot added the clang Clang issues not falling into any other category label Aug 12, 2025
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llvmbot commented Aug 12, 2025

@llvm/pr-subscribers-clang

Author: Daniel Paoliello (dpaoliello)

Changes

As with other 64-bit Windows platforms, Arm64EC uses LLP64 not LP64


Full diff: https://github.com/llvm/llvm-project/pull/153251.diff

1 Files Affected:

  • (modified) clang/test/lit.cfg.py (+1-1)
diff --git a/clang/test/lit.cfg.py b/clang/test/lit.cfg.py
index 1957bb1715eb6..a1e0406daafe8 100644
--- a/clang/test/lit.cfg.py
+++ b/clang/test/lit.cfg.py
@@ -316,7 +316,7 @@ def is_filesystem_case_insensitive():
 
 # [PR8833] LLP64-incompatible tests
 if not re.match(
-    r"^(aarch64|x86_64).*-(windows-msvc|windows-gnu)$", config.target_triple
+    r"^(aarch64|arm64ec|x86_64).*-(windows-msvc|windows-gnu)$", config.target_triple
 ):
     config.available_features.add("LP64")
 

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LGTM

@dpaoliello dpaoliello merged commit b26a7f8 into llvm:main Aug 12, 2025
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@dpaoliello dpaoliello deleted the arm64eclp64 branch August 12, 2025 20:14
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3 participants