[llvm] [CodeGen] Move dom tree invalidation in MBP (PR #102453)

[Alexis Engelke via llvm-commits]

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@@ -0,0 +1,65 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=x86_64 -enable-ext-tsp-block-placement=1 < %s | FileCheck %s
+
+; Test that dominator tree is invalidated after block removals.
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aengelke wrote:

The test should trigger the assertion without the fix and without the `MPDT = nullptr` in assignBlockOrder.

https://github.com/llvm/llvm-project/pull/102453