[llvm] r276029 - [AMDGPU] Remove dead code.

[Davide Italiano via llvm-commits]

Author: davide
Date: Tue Jul 19 16:10:49 2016
New Revision: 276029

URL: http://llvm.org/viewvc/llvm-project?rev=276029&view=rev
Log:
[AMDGPU] Remove dead code.

LGTM'd by Matt Arsenault.

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

Modified: llvm/trunk/lib/Target/AMDGPU/SILowerControlFlow.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SILowerControlFlow.cpp?rev=276029&r1=276028&r2=276029&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SILowerControlFlow.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/SILowerControlFlow.cpp Tue Jul 19 16:10:49 2016
@@ -93,7 +93,6 @@ private:
                                      MachineBasicBlock::iterator I) const;
 
   std::pair<MachineBasicBlock *, MachineBasicBlock *>
-  splitBlock(MachineBasicBlock &MBB, MachineBasicBlock::iterator I);
 
 public:
   static char ID;
@@ -405,30 +404,6 @@ MachineBasicBlock *SILowerControlFlow::i
   return SkipBB;
 }
 
-std::pair<MachineBasicBlock *, MachineBasicBlock *>
-SILowerControlFlow::splitBlock(MachineBasicBlock &MBB,
-                               MachineBasicBlock::iterator I) {
-  MachineFunction *MF = MBB.getParent();
-
-  // To insert the loop we need to split the block. Move everything after this
-  // point to a new block, and insert a new empty block between the two.
-  MachineBasicBlock *LoopBB = MF->CreateMachineBasicBlock();
-  MachineBasicBlock *RemainderBB = MF->CreateMachineBasicBlock();
-  MachineFunction::iterator MBBI(MBB);
-  ++MBBI;
-
-  MF->insert(MBBI, LoopBB);
-  MF->insert(MBBI, RemainderBB);
-
-  // Move the rest of the block into a new block.
-  RemainderBB->transferSuccessors(&MBB);
-  RemainderBB->splice(RemainderBB->begin(), &MBB, I, MBB.end());
-
-  MBB.addSuccessor(LoopBB);
-
-  return std::make_pair(LoopBB, RemainderBB);
-}
-
 bool SILowerControlFlow::runOnMachineFunction(MachineFunction &MF) {
   const SISubtarget &ST = MF.getSubtarget<SISubtarget>();
   TII = ST.getInstrInfo();