[llvm-branch-commits] [llvm] GlobalISel: Fix combine duplicating atomic loads (PR #111730)

[Thorsten Schütt via llvm-branch-commits]

tschuett wrote:

The duplicating is only due to atomicity of the load?
https://github.com/llvm/llvm-project/blob/4605ba0437728ecf8233ba6dbb52ffba30a22743/llvm/test/CodeGen/AArch64/GlobalISel/prelegalizercombiner-sextload-from-sextinreg.mir#L17


Then I vote for:

```
if (atomic)
  EraseFromParent();
```
for documentation.

https://github.com/llvm/llvm-project/pull/111730