[llvm] [NVPTX] Teach NVPTX about predicates (PR #67468)

[Fraser Cormack via llvm-commits]

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@@ -0,0 +1,23 @@
+; RUN: llc < %s -stop-after=finalize-isel -O0 -march=nvptx64| FileCheck %s
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frasercrmck wrote:

This could use `update_mir_test_checks.py`

https://github.com/llvm/llvm-project/pull/67468