[clang] [llvm] [AMDGPU][clang][CodeGen][opt] Add late-resolved feature identifying predicates (PR #134016)

[Erich Keane via cfe-commits]

================
@@ -758,6 +758,10 @@ AMDGPU Support
 ^^^^^^^^^^^^^^
 
 - Bump the default code object version to 6. ROCm 6.3 is required to run any program compiled with COV6.
+- Introduced a new target specific builtin ``__builtin_amdgcn_processor_is``,
+  a late / deferred query for the current target processor
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erichkeane wrote:

```suggestion
  a late / deferred query for the current target processor.
```

https://github.com/llvm/llvm-project/pull/134016