[llvm] [SCEV] Fix a hang introduced by collectForPHI (PR #158153)

Nikita Popov via llvm-commits llvm-commits at lists.llvm.org
Fri Sep 12 05:54:03 PDT 2025


================
@@ -364,3 +364,34 @@ body:
 exit:
   ret void
 }
+
+define void @hang_due_to_unreachable_phi_inblock() personality ptr null {
----------------
nikic wrote:

This test doesn't appear to hang even without this patch.

https://github.com/llvm/llvm-project/pull/158153


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