R600/SI: Don't emit S_WQM_B64 instruction for compute shaders
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190077 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/R600/SILowerControlFlow.cpp b/lib/Target/R600/SILowerControlFlow.cpp
index c2e8f02..09cf25b 100644
--- a/lib/Target/R600/SILowerControlFlow.cpp
+++ b/lib/Target/R600/SILowerControlFlow.cpp
@@ -409,6 +409,7 @@
bool SILowerControlFlowPass::runOnMachineFunction(MachineFunction &MF) {
TII = MF.getTarget().getInstrInfo();
TRI = MF.getTarget().getRegisterInfo();
+ SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();
bool HaveKill = false;
bool NeedM0 = false;
@@ -508,7 +509,7 @@
AMDGPU::M0).addImm(0xffffffff);
}
- if (NeedWQM) {
+ if (NeedWQM && MFI->ShaderType != ShaderType::COMPUTE) {
MachineBasicBlock &MBB = MF.front();
BuildMI(MBB, MBB.getFirstNonPHI(), DebugLoc(), TII->get(AMDGPU::S_WQM_B64),
AMDGPU::EXEC).addReg(AMDGPU::EXEC);