================
@@ -7997,6 +7997,43 @@ void SelectionDAGBuilder::visitIntrinsicCall(const
CallInst &I,
HasTailCall = true;
return;
}
+ case Intrinsic::amdgcn_call_whole_wave: {
+ TargetLowering::ArgListTy Args;
+
+ // The first argument is the callee. Skip it when assembling the call args.
+ TargetLowering::ArgListEntry Arg;
+ for (unsigned Idx = 1; Idx < I.arg_size(); ++Idx) {
+ Arg.Node = getValue(I.getArgOperand(Idx));
+ Arg.Ty = I.getArgOperand(Idx)->getType();
+ Arg.setAttributes(&I, Idx);
+ Args.push_back(Arg);
+ }
+
+ SDValue ConvControlToken;
+ if (auto Bundle = I.getOperandBundle(LLVMContext::OB_convergencectrl)) {
+ auto *Token = Bundle->Inputs[0].get();
+ ConvControlToken = getValue(Token);
+ }
+
+ TargetLowering::CallLoweringInfo CLI(DAG);
+ CLI.setDebugLoc(getCurSDLoc())
+ .setChain(getRoot())
+ .setCallee(CallingConv::AMDGPU_Gfx_WholeWave, I.getType(),
+ getValue(I.getArgOperand(0)), std::move(Args))
+ .setTailCall(false)
+ .setIsPreallocated(
+ I.countOperandBundlesOfType(LLVMContext::OB_preallocated) != 0)
+ .setConvergent(I.isConvergent())
+ .setConvergenceControlToken(ConvControlToken);
+ CLI.CB = &I;
+
+ std::pair<SDValue, SDValue> Result =
+ lowerInvokable(CLI, /*EHPadBB*/ nullptr);
----------------
arsenm wrote:
```suggestion
lowerInvokable(CLI, /*EHPadBB=*/ nullptr);
```
https://github.com/llvm/llvm-project/pull/145859
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