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| author | dianqk <dianqk@dianqk.net> | 2025-05-19 21:07:34 +0800 |
|---|---|---|
| committer | dianqk <dianqk@dianqk.net> | 2025-05-19 21:35:49 +0800 |
| commit | be5d6c5425e8dfdf1662225fb23d6deb0e124dd4 (patch) | |
| tree | efe8f23e53d92fe332ddbed5be9602c46d459796 /compiler/rustc_codegen_gcc | |
| parent | 7068c8bd81c73db264c544f75a43158555567848 (diff) | |
| download | rust-be5d6c5425e8dfdf1662225fb23d6deb0e124dd4.tar.gz rust-be5d6c5425e8dfdf1662225fb23d6deb0e124dd4.zip | |
gvn: bail out unavoidable non-ssa locals in repeat
We cannot transform `*elem` to `array[idx1]` in the following code,
as `idx1` has already been modified.
```rust
mir! {
let array;
let elem;
{
array = [*val; 5];
elem = &array[idx1];
idx1 = idx2;
RET = *elem;
Return()
}
}
```
Diffstat (limited to 'compiler/rustc_codegen_gcc')
0 files changed, 0 insertions, 0 deletions