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Diffstat (limited to 'lib/CodeGen/LowerSubregs.cpp')
-rw-r--r--lib/CodeGen/LowerSubregs.cpp20
1 files changed, 0 insertions, 20 deletions
diff --git a/lib/CodeGen/LowerSubregs.cpp b/lib/CodeGen/LowerSubregs.cpp
index a1f1a078d6..ad1c537c19 100644
--- a/lib/CodeGen/LowerSubregs.cpp
+++ b/lib/CodeGen/LowerSubregs.cpp
@@ -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.