R600: Optimize and cleanup KILL on SI

[oota-llvm.git] / lib / Target / R600 / SIISelLowering.cpp

diff --git a/lib/Target/R600/SIISelLowering.cpp b/lib/Target/R600/SIISelLowering.cpp
index 4c672ca7c1f9ed79c7fb9a0dd9a7ac11a67da02a..18fa9081b0b00ff20fa6525396e5fc09c94eaa6e 100644 (file)
--- a/lib/Target/R600/SIISelLowering.cpp
+++ b/lib/Target/R600/SIISelLowering.cpp
@@ -131,9 +131,6 @@ MachineBasicBlock * SITargetLowering::EmitInstrWithCustomInserter(
   case AMDGPU::SI_INTERP_CONST:
     LowerSI_INTERP_CONST(MI, *BB, I, MRI);
     break;
-  case AMDGPU::SI_KIL:
-    LowerSI_KIL(MI, *BB, I, MRI);
-    break;
   case AMDGPU::SI_WQM:
     LowerSI_WQM(MI, *BB, I, MRI);
     break;
@@ -211,17 +208,6 @@ void SITargetLowering::LowerSI_INTERP_CONST(MachineInstr *MI,
   MI->eraseFromParent();
 }
 
-void SITargetLowering::LowerSI_KIL(MachineInstr *MI, MachineBasicBlock &BB,
-    MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const {
-  // Clear this pixel from the exec mask if the operand is negative
-  BuildMI(BB, I, BB.findDebugLoc(I), TII->get(AMDGPU::V_CMPX_LE_F32_e32),
-          AMDGPU::VCC)
-          .addReg(AMDGPU::SREG_LIT_0)
-          .addOperand(MI->getOperand(0));
-
-  MI->eraseFromParent();
-}
-
 void SITargetLowering::LowerSI_V_CNDLT(MachineInstr *MI, MachineBasicBlock &BB,
     MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const {
   unsigned VCC = MRI.createVirtualRegister(&AMDGPU::SReg_64RegClass);