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

[Erich Keane via llvm-commits]

================
@@ -284,6 +284,18 @@ void CodeGenFunction::AddAMDGPUFenceAddressSpaceMMRA(llvm::Instruction *Inst,
   Inst->setMetadata(LLVMContext::MD_mmra, MMRAMetadata::getMD(Ctx, MMRAs));
 }
 
+static Value *GetOrInsertAMDGPUPredicate(CodeGenFunction &CGF, Twine Name) {
+  auto PTy = IntegerType::getInt1Ty(CGF.getLLVMContext());
+
+  auto P = cast<GlobalVariable>(
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erichkeane wrote:

```suggestion
  auto *P = cast<GlobalVariable>(
```
?

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