[llvm] [GlobalIsel] Combine freeze (PR #93239)

[Thorsten Schütt via llvm-commits]

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@@ -361,8 +361,8 @@ body:             |
     ; CHECK-NEXT: {{  $}}
     ; CHECK-NEXT: %vec:_(<2 x s64>) = COPY $q0
     ; CHECK-NEXT: %idx:_(s64) = COPY $x1
-    ; CHECK-NEXT: [[EVEC:%[0-9]+]]:_(s64) = G_EXTRACT_VECTOR_ELT %vec(<2 x s64>), %idx(s64)
-    ; CHECK-NEXT: %extract:_(s64) = G_FREEZE [[EVEC]]
+    ; CHECK-NEXT: %fvec:_(<2 x s64>) = G_FREEZE %vec
+    ; CHECK-NEXT: %extract:_(s64) = G_EXTRACT_VECTOR_ELT %fvec(<2 x s64>), %idx(s64)
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tschuett wrote:

We remove the wrong combine and now the freeze not moved anymore.

https://github.com/llvm/llvm-project/pull/93239