Revert r107655.

llvm-svn: 107668

1 files changed, 9 insertions, 16 deletions

diff --git a/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp b/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
index 1fa867a5b8f..1287d02cf06 100644
--- a/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
+++ b/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -1070,10 +1070,7 @@ MSP430TargetLowering::EmitShiftInstr(MachineInstr *MI,
 
   // Update machine-CFG edges by transferring all successors of the current
   // block to the block containing instructions after shift.
-  RemBB->splice(RemBB->begin(), BB,
-                llvm::next(MachineBasicBlock::iterator(MI)),
-                BB->end());
-  RemBB->transferSuccessorsAndUpdatePHIs(BB);
+  RemBB->transferSuccessors(BB);
 
   // Add adges BB => LoopBB => RemBB, BB => RemBB, LoopBB => LoopBB
   BB->addSuccessor(LoopBB);
@@ -1119,11 +1116,11 @@ MSP430TargetLowering::EmitShiftInstr(MachineInstr *MI,
 
   // RemBB:
   // DestReg = phi [%SrcReg, BB], [%ShiftReg, LoopBB]
-  BuildMI(*RemBB, RemBB->begin(), dl, TII.get(MSP430::PHI), DstReg)
+  BuildMI(RemBB, dl, TII.get(MSP430::PHI), DstReg)
     .addReg(SrcReg).addMBB(BB)
     .addReg(ShiftReg2).addMBB(LoopBB);
 
-  MI->eraseFromParent();   // The pseudo instruction is gone now.
+  F->DeleteMachineInstr(MI);   // The pseudo instruction is gone now.
   return RemBB;
 }
 
@@ -1161,22 +1158,18 @@ MSP430TargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
   MachineFunction *F = BB->getParent();
   MachineBasicBlock *copy0MBB = F->CreateMachineBasicBlock(LLVM_BB);
   MachineBasicBlock *copy1MBB = F->CreateMachineBasicBlock(LLVM_BB);
+  BuildMI(BB, dl, TII.get(MSP430::JCC))
+    .addMBB(copy1MBB)
+    .addImm(MI->getOperand(3).getImm());
   F->insert(I, copy0MBB);
   F->insert(I, copy1MBB);
   // Update machine-CFG edges by transferring all successors of the current
   // block to the new block which will contain the Phi node for the select.
-  copy1MBB->splice(copy1MBB->begin(), BB,
-                   llvm::next(MachineBasicBlock::iterator(MI)),
-                   BB->end());
-  copy1MBB->transferSuccessorsAndUpdatePHIs(BB);
+  copy1MBB->transferSuccessors(BB);
   // Next, add the true and fallthrough blocks as its successors.
   BB->addSuccessor(copy0MBB);
   BB->addSuccessor(copy1MBB);
 
-  BuildMI(BB, dl, TII.get(MSP430::JCC))
-    .addMBB(copy1MBB)
-    .addImm(MI->getOperand(3).getImm());
-
   //  copy0MBB:
   //   %FalseValue = ...
   //   # fallthrough to copy1MBB
@@ -1189,11 +1182,11 @@ MSP430TargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
   //   %Result = phi [ %FalseValue, copy0MBB ], [ %TrueValue, thisMBB ]
   //  ...
   BB = copy1MBB;
-  BuildMI(*BB, BB->begin(), dl, TII.get(MSP430::PHI),
+  BuildMI(BB, dl, TII.get(MSP430::PHI),
           MI->getOperand(0).getReg())
     .addReg(MI->getOperand(2).getReg()).addMBB(copy0MBB)
     .addReg(MI->getOperand(1).getReg()).addMBB(thisMBB);
 
-  MI->eraseFromParent();   // The pseudo instruction is gone now.
+  F->DeleteMachineInstr(MI);   // The pseudo instruction is gone now.
   return BB;
 }