Author: Michael Buch
Date: 2025-03-28T15:32:18Z
New Revision: 8ea3f818dea7d1104429040486614c96e0698901

URL: 
https://github.com/llvm/llvm-project/commit/8ea3f818dea7d1104429040486614c96e0698901
DIFF: 
https://github.com/llvm/llvm-project/commit/8ea3f818dea7d1104429040486614c96e0698901.diff

LOG: [lldb][test] TestCCallingConventions.py: skip on older AArch64 compilers

With our Clang-15 arm64 CI this test-case crashes when compiling the test 
program:
```
user/jenkins/workspace/llvm.org/lldb-cmake-matrix/llvm-project/lldb/test/API/lang/c/calling-conventions/ms_abi.c
Unexpected callee-save save/restore opcode!
UNREACHABLE executed at 
/Users/ec2-user/jenkins/workspace/llvm.org/lldb-cmake-matrix/clang_1501/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp:1129!
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and 
include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.      Program arguments: 
/Users/ec2-user/jenkins/workspace/llvm.org/lldb-cmake-matrix/clang_1501_build/bin/clang
 -g -O0 -isysroot 
/Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk
 -arch arm64 
-I/Users/ec2-user/jenkins/workspace/llvm.org/lldb-cmake-matrix/llvm-project/lldb/packages/Python/lldbsuite/test/make/../../../../..//include
 
-I/Users/ec2-user/jenkins/workspace/llvm.org/lldb-cmake-matrix/lldb-build/tools/lldb/include
 
-I/Users/ec2-user/jenkins/workspace/llvm.org/lldb-cmake-matrix/llvm-project/lldb/test/API/lang/c/calling-conventions
 
-I/Users/ec2-user/jenkins/workspace/llvm.org/lldb-cmake-matrix/llvm-project/lldb/packages/Python/lldbsuite/test/make
 -include 
/Users/ec2-user/jenkins/workspace/llvm.org/lldb-cmake-matrix/llvm-project/lldb/packages/Python/lldbsuite/test/make/test_common.h
 -fno-limit-debug-info -Werror=ignored-attributes -MT ms_abi.o -MD -MP -MF 
ms_abi.d -c -o ms_abi.o 
/Users/ec2-user/jenkins/workspace/llvm.org/lldb-cmake-matrix/llvm-project/lldb/test/API/lang/c/calling-conventions/ms_abi.c
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module 
'/Users/ec2-user/jenkins/workspace/llvm.org/lldb-cmake-matrix/llvm-project/lldb/test/API/lang/c/calling-conventions/ms_abi.c'.
4.      Running pass 'Prologue/Epilogue Insertion & Frame Finalization' on 
function '@func'
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH 
or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  clang-15                 0x0000000105d512b0 
llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1  clang-15                 0x0000000105d500e4 llvm::sys::RunSignalHandlers() + 
112
2  clang-15                 0x0000000105d507c4 
llvm::sys::CleanupOnSignal(unsigned long) + 232
3  clang-15                 0x0000000105c79d78 (anonymous 
namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long) + 128
4  clang-15                 0x0000000105c79f94 CrashRecoverySignalHandler(int) 
+ 124
5  libsystem_platform.dylib 0x0000000185ecba24 _sigtramp + 56
6  libsystem_pthread.dylib  0x0000000185e9ccc0 pthread_kill + 288
7  libsystem_c.dylib        0x0000000185daca40 abort + 180
8  clang-15                 0x0000000105c88508 
llvm::install_out_of_memory_new_handler() + 0
9  clang-15                 0x0000000104af7404 
fixupCalleeSaveRestoreStackOffset(llvm::MachineInstr&, unsigned long long, 
bool, bool*) + 0
10 clang-15                 0x0000000104af53e0 
llvm::AArch64FrameLowering::emitPrologue(llvm::MachineFunction&, 
llvm::MachineBasicBlock&) const + 3564
```

Added: 
    

Modified: 
    lldb/test/API/lang/c/calling-conventions/TestCCallingConventions.py

Removed: 
    


################################################################################
diff  --git 
a/lldb/test/API/lang/c/calling-conventions/TestCCallingConventions.py 
b/lldb/test/API/lang/c/calling-conventions/TestCCallingConventions.py
index 0304482e899b8..9540dc066f308 100644
--- a/lldb/test/API/lang/c/calling-conventions/TestCCallingConventions.py
+++ b/lldb/test/API/lang/c/calling-conventions/TestCCallingConventions.py
@@ -50,6 +50,7 @@ def test_regcall(self):
             return
         self.expect_expr("func(1, 2, 3, 4)", result_type="int", 
result_value="10")
 
+    @skipIf(compiler="clang", compiler_version=["<", "17.0"], archs=["arm64"])
     @skipIf(compiler="clang", compiler_version=["<", "9.0"])
     def test_ms_abi(self):
         if not self.build_and_run("ms_abi.c"):


        
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