[llvm] Update NVVM ldu/ldg intrinsics with IntrWillReturn and test for DCE (PR #98968)

[Kevin McAfee via llvm-commits]

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@@ -0,0 +1,187 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt < %s -O3 -S | FileCheck %s
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kalxr wrote:

Moved/updated test to use DCE

https://github.com/llvm/llvm-project/pull/98968