================
@@ -342,8 +343,19 @@ llvm::Value *CGHLSLRuntime::emitInputSemantic(IRBuilder<>
&B,
return B.CreateCall(FunctionCallee(DxGroupIndex));
}
if (D.hasAttr<HLSLSV_DispatchThreadIDAttr>()) {
- llvm::Function *DxThreadID = CGM.getIntrinsic(Intrinsic::dx_thread_id);
- return buildVectorInput(B, DxThreadID, Ty);
+ llvm::Function *ThreadIDIntrinsic;
+ switch (CGM.getTarget().getTriple().getArch()) {
+ case llvm::Triple::dxil:
+ ThreadIDIntrinsic = CGM.getIntrinsic(Intrinsic::dx_thread_id);
+ break;
+ case llvm::Triple::spirv:
+ ThreadIDIntrinsic = CGM.getIntrinsic(Intrinsic::spv_thread_id);
+ break;
+ default:
+ llvm_unreachable("Input semantic not supported by target");
+ break;
+ }
+ return buildVectorInput(B, ThreadIDIntrinsic, Ty);
----------------
sudonatalie wrote:
Agreed this is not going to scale well. Another option I was looking into, but
haven't yet figured out, is whether we could make dummy `ClangBuiltin`s to
maintain the mapping. I think the appropriate `spv_create_handle` or
`dx_create_handle` get generated without any special logic other than both
having `ClangBuiltin<"__builtin_hlsl_create_handle">` in their
`Intrinsics*.td`. I'll open an issue to follow up on this separately.
https://github.com/llvm/llvm-project/pull/82536
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