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

[Joseph Huber via llvm-commits]

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@@ -585,6 +597,23 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned BuiltinID,
     llvm::Value *Env = EmitScalarExpr(E->getArg(0));
     return Builder.CreateCall(F, {Env});
   }
+  case AMDGPU::BI__builtin_amdgcn_processor_is: {
+    assert(CGM.getTriple().isSPIRV() &&
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jhuber6 wrote:

Yeah, we 100% should support this for normal IR. We could then replace all of those `oclc_isa_version` files.

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