[llvm] [AArch64] Use GISel for optnone functions (PR #174746)

[David Green via llvm-commits]

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@@ -1,5 +1,9 @@
 ; Test DBG_LABEL MachineInstr for label debugging.
 ; REQUIRES: asserts
+
+; AArch64 uses GlobalISel for optnone functions meaning the output from 'isel' will be empty as it will not be run.
+; XFAIL: target=aarch64{{.*}}
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davemgreen wrote:

Oh - maybe change it to UNSUPPORTED?

https://github.com/llvm/llvm-project/pull/174746