[llvm] [GIsel] import `(not (add X, -1)) -> (neg X)` to GlobalISel (PR #181640)

[Luisa Cicolini via llvm-commits]

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@@ -494,7 +494,7 @@ body: |
     ; CHECK-NEXT: %n:_(s64) = COPY $x2
     ; CHECK-NEXT: %z:_(s64) = COPY $x3
     ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
-    ; CHECK-NEXT: %neg_y:_(s64) = G_SUB %zero, %y
+    ; CHECK-NEXT: %neg_y:_(s64) = G_SUB %zegit ro, %y
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luisacicolini wrote:

addrtessed, thanks!

https://github.com/llvm/llvm-project/pull/181640