[PATCH] D46041: AMDGPU/GlobalISel: Don't try to lower geometry shaders

[Tom Stellard via Phabricator via llvm-commits]

tstellar created this revision.
tstellar added reviewers: arsenm, nhaehnle.
Herald added subscribers: t-tye, tpr, dstuttard, kristof.beyls, rovka, yaxunl, wdng, kzhuravl.

The AMDGPU_GS calling convention is not supported yet.


Repository:
  rL LLVM

https://reviews.llvm.org/D46041

Files:
  lib/Target/AMDGPU/AMDGPUCallLowering.cpp


Index: lib/Target/AMDGPU/AMDGPUCallLowering.cpp
===================================================================
--- lib/Target/AMDGPU/AMDGPUCallLowering.cpp
+++ lib/Target/AMDGPU/AMDGPUCallLowering.cpp
@@ -88,6 +88,9 @@
 bool AMDGPUCallLowering::lowerFormalArguments(MachineIRBuilder &MIRBuilder,
                                               const Function &F,
                                               ArrayRef<unsigned> VRegs) const {
+  // AMDGPU_GS is not supported yet.
+  if (F.getCallingConv() == CallingConv::AMDGPU_GS)
+    return false;
 
   MachineFunction &MF = MIRBuilder.getMF();
   const SISubtarget *Subtarget = static_cast<const SISubtarget *>(&MF.getSubtarget());


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