[llvm] r331186 - AMDGPU/GlobalISel: Don't try to lower geometry shaders

[Tom Stellard via llvm-commits]

Author: tstellar
Date: Mon Apr 30 08:15:23 2018
New Revision: 331186

URL: http://llvm.org/viewvc/llvm-project?rev=331186&view=rev
Log:
AMDGPU/GlobalISel: Don't try to lower geometry shaders

Summary: The AMDGPU_GS calling convention is not supported yet.

Reviewers: arsenm, nhaehnle

Reviewed By: nhaehnle

Subscribers: kzhuravl, wdng, yaxunl, rovka, kristof.beyls, dstuttard, tpr, t-tye, llvm-commits

Differential Revision: https://reviews.llvm.org/D46041

Modified:
    llvm/trunk/lib/Target/AMDGPU/AMDGPUCallLowering.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUCallLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUCallLowering.cpp?rev=331186&r1=331185&r2=331186&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUCallLowering.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUCallLowering.cpp Mon Apr 30 08:15:23 2018
@@ -88,6 +88,9 @@ void AMDGPUCallLowering::lowerParameter(
 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());