[llvm] [InitUndef] Enable the InitUndef pass on non-AMDGPU targets (PR #108353)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,44 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
+# RUN: llc -mtriple=aarch64-- -run-pass=init-undef -o - %s | FileCheck %s
+
+--- |
+  define dso_local i32 @test_stxp_undef(ptr %p, i64 %x) #0 {
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arsenm wrote:

Don't need the IR section 

https://github.com/llvm/llvm-project/pull/108353