[llvm-bugs] [Bug 50174] [MCA][ARM] Assertion failed regarding CarryOver value in the DispatchStage

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Apr 30 10:24:33 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=50174

Min-Yih Hsu <minyihh at uci.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Min-Yih Hsu <minyihh at uci.edu> ---
@Andrea thank you for your rapid fix :-)

Closing this bug now...

> I believe NOP's are aliases for a certain type of tHINT's in the arm backend. 

Yes, actually the original sequence that triggered this bug was
```
pop     {r3, r4, r5, r6, r7, pc}
hint    #0

```
I thought it's more clear to write `nop` rather than `hint` and they both
triggered the same bug.

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