From 8a6e14cb2193fd262b11ec867b58fb3018baa542 Mon Sep 17 00:00:00 2001 From: Sanjay Patel Date: Mon, 10 Aug 2015 21:28:16 +0000 Subject: [PATCH] remove function names from comments; NFC llvm-svn: 244509 --- lib/CodeGen/TailDuplication.cpp | 42 ++++++++++++++++----------------- 1 file changed, 20 insertions(+), 22 deletions(-) diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp index 1a6e9a48ca1..76619dbc156 100644 --- a/lib/CodeGen/TailDuplication.cpp +++ b/lib/CodeGen/TailDuplication.cpp @@ -59,7 +59,7 @@ TailDupLimit("tail-dup-limit", cl::init(~0U), cl::Hidden); typedef std::vector > AvailableValsTy; namespace { - /// TailDuplicatePass - Perform tail duplication. + /// Perform tail duplication. class TailDuplicatePass : public MachineFunctionPass { const TargetInstrInfo *TII; const TargetRegisterInfo *TRI; @@ -69,11 +69,11 @@ namespace { std::unique_ptr RS; bool PreRegAlloc; - // SSAUpdateVRs - A list of virtual registers for which to update SSA form. + // A list of virtual registers for which to update SSA form. SmallVector SSAUpdateVRs; - // SSAUpdateVals - For each virtual register in SSAUpdateVals keep a list of - // source virtual registers. + // For each virtual register in SSAUpdateVals keep a list of source virtual + // registers. DenseMap SSAUpdateVals; public: @@ -207,7 +207,7 @@ static void VerifyPHIs(MachineFunction &MF, bool CheckExtra) { } } -/// TailDuplicateAndUpdate - Tail duplicate the block and cleanup. +/// Tail duplicate the block and cleanup. bool TailDuplicatePass::TailDuplicateAndUpdate(MachineBasicBlock *MBB, bool IsSimple, @@ -310,9 +310,9 @@ TailDuplicatePass::TailDuplicateAndUpdate(MachineBasicBlock *MBB, return true; } -/// TailDuplicateBlocks - Look for small blocks that are unconditionally -/// branched to and do not fall through. Tail-duplicate their instructions -/// into their predecessors to eliminate (dynamic) branches. +/// Look for small blocks that are unconditionally branched to and do not fall +/// through. Tail-duplicate their instructions into their predecessors to +/// eliminate (dynamic) branches. bool TailDuplicatePass::TailDuplicateBlocks(MachineFunction &MF) { bool MadeChange = false; @@ -375,8 +375,7 @@ static void getRegsUsedByPHIs(const MachineBasicBlock &BB, } } -/// AddSSAUpdateEntry - Add a definition and source virtual registers pair for -/// SSA update. +/// Add a definition and source virtual registers pair for SSA update. void TailDuplicatePass::AddSSAUpdateEntry(unsigned OrigReg, unsigned NewReg, MachineBasicBlock *BB) { DenseMap::iterator LI= SSAUpdateVals.find(OrigReg); @@ -390,9 +389,8 @@ void TailDuplicatePass::AddSSAUpdateEntry(unsigned OrigReg, unsigned NewReg, } } -/// ProcessPHI - Process PHI node in TailBB by turning it into a copy in PredBB. -/// Remember the source register that's contributed by PredBB and update SSA -/// update map. +/// Process PHI node in TailBB by turning it into a copy in PredBB. Remember the +/// source register that's contributed by PredBB and update SSA update map. void TailDuplicatePass::ProcessPHI( MachineInstr *MI, MachineBasicBlock *TailBB, MachineBasicBlock *PredBB, DenseMap &LocalVRMap, @@ -422,7 +420,7 @@ void TailDuplicatePass::ProcessPHI( MI->eraseFromParent(); } -/// DuplicateInstruction - Duplicate a TailBB instruction to PredBB and update +/// Duplicate a TailBB instruction to PredBB and update /// the source operands due to earlier PHI translation. void TailDuplicatePass::DuplicateInstruction(MachineInstr *MI, MachineBasicBlock *TailBB, @@ -459,9 +457,9 @@ void TailDuplicatePass::DuplicateInstruction(MachineInstr *MI, PredBB->insert(PredBB->instr_end(), NewMI); } -/// UpdateSuccessorsPHIs - After FromBB is tail duplicated into its predecessor -/// blocks, the successors have gained new predecessors. Update the PHI -/// instructions in them accordingly. +/// After FromBB is tail duplicated into its predecessor blocks, the successors +/// have gained new predecessors. Update the PHI instructions in them +/// accordingly. void TailDuplicatePass::UpdateSuccessorsPHIs(MachineBasicBlock *FromBB, bool isDead, SmallVectorImpl &TDBBs, @@ -545,7 +543,7 @@ TailDuplicatePass::UpdateSuccessorsPHIs(MachineBasicBlock *FromBB, bool isDead, } } -/// shouldTailDuplicate - Determine if it is profitable to duplicate this block. +/// Determine if it is profitable to duplicate this block. bool TailDuplicatePass::shouldTailDuplicate(const MachineFunction &MF, bool IsSimple, @@ -621,7 +619,7 @@ TailDuplicatePass::shouldTailDuplicate(const MachineFunction &MF, return canCompletelyDuplicateBB(TailBB); } -/// isSimpleBB - True if this BB has only one unconditional jump. +/// True if this BB has only one unconditional jump. bool TailDuplicatePass::isSimpleBB(MachineBasicBlock *TailBB) { if (TailBB->succ_size() != 1) @@ -744,7 +742,7 @@ TailDuplicatePass::duplicateSimpleBB(MachineBasicBlock *TailBB, return Changed; } -/// TailDuplicate - If it is profitable, duplicate TailBB's contents in each +/// If it is profitable, duplicate TailBB's contents in each /// of its predecessors. bool TailDuplicatePass::TailDuplicate(MachineBasicBlock *TailBB, @@ -961,8 +959,8 @@ TailDuplicatePass::TailDuplicate(MachineBasicBlock *TailBB, return Changed; } -/// RemoveDeadBlock - Remove the specified dead machine basic block from the -/// function, updating the CFG. +/// Remove the specified dead machine basic block from the function, updating +/// the CFG. void TailDuplicatePass::RemoveDeadBlock(MachineBasicBlock *MBB) { assert(MBB->pred_empty() && "MBB must be dead!"); DEBUG(dbgs() << "\nRemoving MBB: " << *MBB);