| Issue |
171571
|
| Summary |
[PowerPC] Wrong code at -O1
|
| Labels |
backend:PowerPC,
miscompilation
|
| Assignees |
|
| Reporter |
XChy
|
Reduced tescase: [reduced.c](https://github.com/user-attachments/files/24070790/reduced.c)
The testcase passed the UBSan and ASan: https://godbolt.org/z/dd8Kz49Y5
Reproduce command:
```bash
clang -O1 --target=powerpc64le-unknown-linux-musl -static reduced.c
qemu-ppc64le a.out
clang -O2 --target=powerpc64le-unknown-linux-musl -static reduced.c
qemu-ppc64le a.out
```
Output:
```
BackSmith Checksum = 0x0000000000000005
BackSmith Checksum = 0x0000000000000000
```
clang version 22.0.0git ([email protected]:llvm/llvm-project.git 0e92beb0c0f050e1180c88aa31713f3d6ba9d34e)
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