| Issue |
181130
|
| Summary |
[X86] error in backend: Cannot emit physreg copy instruction
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
Andarwinux
|
[test.ll.txt](https://github.com/user-attachments/files/25261699/test.ll.txt)
```
fatal error: error in backend: Cannot emit physreg copy instruction
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: /build/install/llvmbin/clang --target=x86_64-pc-windows-gnu -O3 -march=tigerlake test.ll -c -o /dev/null
1. Code generation
2. Running pass 'Function Pass Manager' on module 'test.ll'.
3. Running pass 'Post-RA pseudo instruction expansion pass' on function '@svt_aom_sig_deriv_me_tf'
#0 0x000059b4137ea323 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) ld-temp.o:0:0
clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
```
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