[llvm] [EarlyIfConversion] Fix the logic to determine predictable branch. (PR #92405)

[Florian Hahn via llvm-commits]

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@@ -33,35 +33,27 @@ body:             |
   ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:gpr64common = COPY $x0
   ; CHECK-NEXT: {{  $}}
   ; CHECK-NEXT: bb.1:
-  ; CHECK-NEXT:   successors: %bb.3(0x30000000), %bb.2(0x50000000)
+  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
   ; CHECK-NEXT: {{  $}}
-  ; CHECK-NEXT:   [[LDRBBui:%[0-9]+]]:gpr32 = LDRBBui [[COPY3]], 0 :: (load (s8))
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fhahn wrote:

This is a load from an invariant address, which is exactly what the logic should detect. I agree that the `all_of` should be used, but then the predicate probably needs adjusting too

https://github.com/llvm/llvm-project/pull/92405