[Lldb-commits] [lldb] 182723f - [lldb] Add a decorator for arm64e (#186909)

[via lldb-commits]

Author: Jonas Devlieghere
Date: 2026-03-16T18:01:22-07:00
New Revision: 182723f1a3bae894259c7928604604287c7e6951

URL: https://github.com/llvm/llvm-project/commit/182723f1a3bae894259c7928604604287c7e6951
DIFF: https://github.com/llvm/llvm-project/commit/182723f1a3bae894259c7928604604287c7e6951.diff

LOG: [lldb] Add a decorator for arm64e (#186909)

Added: 
    

Modified: 
    lldb/packages/Python/lldbsuite/test/decorators.py

Removed: 
    


################################################################################
diff  --git a/lldb/packages/Python/lldbsuite/test/decorators.py b/lldb/packages/Python/lldbsuite/test/decorators.py
index dfb3557ebb6fb..cb3aa1d6af115 100644
--- a/lldb/packages/Python/lldbsuite/test/decorators.py
+++ b/lldb/packages/Python/lldbsuite/test/decorators.py
@@ -1304,3 +1304,33 @@ def skipIfBuildType(types: list[str]):
         and configuration.cmake_build_type.lower() in types,
         "skip on {} build type(s)".format(", ".join(types)),
     )
+
+
+def skipUnlessArm64eSupported(func):
+    """Decorate the item to skip test unless Clang can target arm64e."""
+
+    def can_build_and_run_arm64e():
+        arch = lldbplatformutil.getArchitecture()
+
+        # We need to be running the test suite for arm64 or arm64e. If we're
+        # running the whole test suite as arm64e, we don't need any additional
+        # checks.
+        if arch == "arm64e":
+            return None
+        elif arch != "arm64":
+            return "Not targeting arm64"
+
+        # Need at least macOS Tahoe (26) to run arm64e binaries.
+        if platform.mac_ver()[0] == "" or _check_expected_version(
+            "<", "26.0", platform.mac_ver()[0]
+        ):
+            return "Host cannot run arm64e binaries"
+
+        # Need a compiler that can target arm64e.
+        compiler_path = lldbplatformutil.getCompiler()
+        if not _compiler_supports(compiler_path, "-arch arm64e"):
+            return "Compiler cannot target arm64e"
+
+        return None
+
+    return skipTestIfFn(can_build_and_run_arm64e)(func)