https://bugs.llvm.org/show_bug.cgi?id=48088
Bug ID: 48088
Summary: [AArch64] UnwindInfo cannot be emitted if inline asm
with align or fill are used
Product: libraries
Version: 11.0
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: MC
Assignee: unassignedb...@nondot.org
Reporter: rixr...@gmail.com
CC: llvm-bugs@lists.llvm.org
For more info see FIXME in ARM64EmitUnwindInfo (llvm/lib/MC/MCWin64EH.cpp)
https://github.com/llvm/llvm-project/blob/f69e090/llvm/lib/MC/MCWin64EH.cpp#L918-L943
Reproducible example:
void test() { __asm__(".balign 1");
Compiling with:
clang.exe --target=x86_64-pc-windows -c test.cpp
Gives no error, however, compiling with
clang.exe --target=aarch64-pc-windows -c test.cpp
Crashes:
fatal error: error in backend: Failed to evaluate function length in SEH unwind
info
Stack dump:
0. Program arguments: clang.exe --target=aarch64-pc-windows -c test.cpp
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'test.cpp'.
4. Running pass 'AArch64 Assembly Printer' on function '@"?test@@YAXXZ"'
Related bug report: https://bugs.llvm.org/show_bug.cgi?id=41581
--
You are receiving this mail because:
You are on the CC list for the bug._______________________________________________
llvm-bugs mailing list
llvm-bugs@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
