[llvm] [GlobalIsel] Combine G_ADD and G_SUB with constants (PR #97771)

[Thorsten Schütt via llvm-commits]

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@@ -151,20 +152,18 @@ body:             |
     RET_ReallyLR implicit $w0
 ...
 ---
+# (x + y) - x -> y
 name:            unique_constants_no_fold
 tracksRegLiveness: true
 body:             |
   bb.0:
     liveins: $w0, $w1
-    ; (x + y) - x -> y
     ; CHECK-LABEL: name: unique_constants_no_fold
     ; CHECK: liveins: $w0, $w1
     ; CHECK-NEXT: {{  $}}
-    ; CHECK-NEXT: %x1:_(s32) = G_CONSTANT i32 1
-    ; CHECK-NEXT: %x2:_(s32) = G_CONSTANT i32 2
     ; CHECK-NEXT: %y:_(s32) = COPY $w1
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tschuett wrote:

There was a hit.
You never gave me https://youtu.be/8427bl_7k1g?t=2147.

https://github.com/llvm/llvm-project/pull/97771