[llvm] [AMDGPU][GlobalISel] Disable fixed-point iteration in all Combiners (PR #105517)

[Matt Arsenault via llvm-commits]

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@@ -203,6 +203,7 @@ body:             |
     ; CHECK-LABEL: name: remove_and_65535_groupstaticsize
     ; CHECK: liveins: $vgpr0_vgpr1
     ; CHECK-NEXT: {{  $}}
+    ; CHECK-NEXT: %ptr:_(p1) = COPY $vgpr0_vgpr1
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arsenm wrote:

Oh, this is just DCE disabled, but for the test purposes the copy shouldn't have been here in the first place 

https://github.com/llvm/llvm-project/pull/105517