================
@@ -4245,20 +4244,17 @@ def CIR_AtomicCmpXchg : CIR_Op<"atomic.cmpxchg", [
UnitAttr:$is_volatile);
let assemblyFormat = [{
- `(`
- $ptr `:` qualified(type($ptr)) `,`
- $expected `:` type($expected) `,`
- $desired `:` type($desired) `,`
- `success` `=` $succ_order `,`
- `failure` `=` $fail_order
- `)`
- (`align` `(` $alignment^ `)`)?
(`weak` $weak^)?
+ custom<AtomicCmpXchgMemOrder>($succ_order, $fail_order)
----------------
Lancern wrote:
The intention here is to avoid showing the same memory order twice when
`$succ_order` and `$fail_order` are the same.
https://github.com/llvm/llvm-project/pull/161543
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