[llvm] [PHIElimination] Ensure correct copy emission for `INLINEASM_BR` indirect targets (PR #173396)

[Antonio Frighetto via llvm-commits]

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@@ -0,0 +1,88 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
+# RUN: llc -mtriple=x86_64-- -verify-machineinstrs -o - %s -run-pass=livevars,phi-node-elimination | FileCheck %s
+# RUN: llc -mtriple=x86_64-- -verify-machineinstrs -o - %s --passes='require<live-vars>,phi-node-elimination' -verify-each | FileCheck %s
+
+--- |
+  define i64 @inlineasm_br_different_indirect_target(i1 %cmp) {
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antoniofrighetto wrote:

Added, thanks (squashed and rebased, and added it to the pre-commit test so as to show the diffs). 

https://github.com/llvm/llvm-project/pull/173396