[llvm] [SeparateConstOffsetFromGEP] Fix offsets across trunc and ext (PR #225195)

[Antonio Frighetto via llvm-commits]

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@@ -0,0 +1,115 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
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antoniofrighetto wrote:

Minor nit: maybe favor the latest version of UTC (version 6)?

https://github.com/llvm/llvm-project/pull/225195