1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/Target/R600/SIFixSGPRCopies.cpp b/llvm/lib/Target/R600/SIFixSGPRCopies.cpp
index 402f1f4d651..29d154ff425 100644
--- a/llvm/lib/Target/R600/SIFixSGPRCopies.cpp
+++ b/llvm/lib/Target/R600/SIFixSGPRCopies.cpp
@@ -256,6 +256,16 @@ bool SIFixSGPRCopies::runOnMachineFunction(MachineFunction &MF) {
         TII->moveToVALU(MI);
         break;
       }
+      case AMDGPU::INSERT_SUBREG: {
+        const TargetRegisterClass *DstRC, *SrcRC;
+        DstRC = MRI.getRegClass(MI.getOperand(0).getReg());
+        SrcRC = MRI.getRegClass(MI.getOperand(1).getReg());
+        if (!TRI->isSGPRClass(DstRC) || !TRI->hasVGPRs(SrcRC))
+          break;
+        DEBUG(dbgs() << " Fixing INSERT_SUBREG:\n");
+        DEBUG(MI.print(dbgs()));
+        TII->moveToVALU(MI);
+      }
       }
     }
   }