[llvm] [MachineOutliner] Don't outline ADRP pair to avoid incorrect ICF (PR #160232)

[Pranav Kant via llvm-commits]

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@@ -0,0 +1,133 @@
+# RUN: llc -mtriple=aarch64---  -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s
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pranavk wrote:

In `ADRP -> ADD -> LDR` sequence, only first two are the problematic ones and must be kept together. LDR can be outlined safely. So test for this whole sequence wouldn't test anything more than what `adrp_add` already tests in this?

Or maybe I am missing something. Can you elaborate more?

https://github.com/llvm/llvm-project/pull/160232