================
@@ -43,7 +43,7 @@ define i64 @test_flat_atomicrmw_sub_0_i64_agent(ptr %ptr) {
; ALL: [[ATOMICRMW_PRIVATE]]:
; ALL-NEXT: [[TMP1:%.*]] = addrspacecast ptr [[PTR]] to ptr addrspace(5)
; ALL-NEXT: [[LOADED_PRIVATE:%.*]] = load i64, ptr addrspace(5) [[TMP1]],
align 8
-; ALL-NEXT: [[NEW:%.*]] = sub i64 [[LOADED_PRIVATE]], 0
+; ALL-NEXT: [[NEW:%.*]] = add i64 [[LOADED_PRIVATE]], 0
----------------
arsenm wrote:
Because it would require more work to avoid doing it, but there's not much
reason to.
All of the 64-bit cases now go to expand. emitExpandAtomicRMW isn't bothering
to restrict this to the specific cases where it's needed
https://github.com/llvm/llvm-project/pull/109410
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