[Test] Add XFAIL test for PR62058

Details at llvm#62058

Author: xortator

llvm/test/Transforms/SimpleLoopUnswitch/pr62058.ll

@@ -0,0 +1,21 @@
+; RUN: opt < %s -simple-loop-unswitch-inject-invariant-conditions=true -passes='loop(simple-loop-unswitch<nontrivial>)' -S | FileCheck %s
+; REQUIRES: asserts
+; XFAIL: *
+
+@global = external dso_local local_unnamed_addr global i64, align 8
+
+define dso_local void @test() local_unnamed_addr #0 {
+; CHECK-LABEL: test
+bb:
+  br label %bb1
+
+bb1:                                              ; preds = %bb1, %bb
+  %call = tail call noundef ptr @widget()
+  %icmp = icmp slt ptr %call, null
+  br i1 %icmp, label %bb2, label %bb1
+
+bb2:                                              ; preds = %bb1
+  ret void
+}
+
+declare ptr @widget() local_unnamed_addr #0