Vendor import of llvm r114020 (from the release_28 branch):

http://llvm.org/svn/llvm-project/llvm/branches/release_28@114020

Approved by:	rpaulo (mentor)

1 files changed, 1 insertions, 21 deletions

diff --git a/lib/CodeGen/LowerSubregs.cpp b/lib/CodeGen/LowerSubregs.cpp
index dfd4eae..ad1c537 100644
--- a/lib/CodeGen/LowerSubregs.cpp
+++ b/lib/CodeGen/LowerSubregs.cpp
@@ -36,7 +36,7 @@ namespace {
 
   public:
     static char ID; // Pass identification, replacement for typeid
-    LowerSubregsInstructionPass() : MachineFunctionPass(&ID) {}
+    LowerSubregsInstructionPass() : MachineFunctionPass(ID) {}
     
     const char *getPassName() const {
       return "Subregister lowering instruction pass";
@@ -58,9 +58,6 @@ namespace {
 
     void TransferDeadFlag(MachineInstr *MI, unsigned DstReg,
                           const TargetRegisterInfo *TRI);
-    void TransferKillFlag(MachineInstr *MI, unsigned SrcReg,
-                          const TargetRegisterInfo *TRI,
-                          bool AddIfNotFound = false);
     void TransferImplicitDefs(MachineInstr *MI);
   };
 
@@ -87,23 +84,6 @@ LowerSubregsInstructionPass::TransferDeadFlag(MachineInstr *MI,
   }
 }
 
-/// TransferKillFlag - MI is a pseudo-instruction with SrcReg killed,
-/// and the lowered replacement instructions immediately precede it.
-/// Mark the replacement instructions with the kill flag.
-void
-LowerSubregsInstructionPass::TransferKillFlag(MachineInstr *MI,
-                                              unsigned SrcReg,
-                                              const TargetRegisterInfo *TRI,
-                                              bool AddIfNotFound) {
-  for (MachineBasicBlock::iterator MII =
-        prior(MachineBasicBlock::iterator(MI)); ; --MII) {
-    if (MII->addRegisterKilled(SrcReg, TRI, AddIfNotFound))
-      break;
-    assert(MII != MI->getParent()->begin() &&
-           "copyPhysReg output doesn't reference source register!");
-  }
-}
-
 /// TransferImplicitDefs - MI is a pseudo-instruction, and the lowered
 /// replacement instructions immediately precede it.  Copy any implicit-def
 /// operands from MI to the replacement instruction.