From 09ba906cf55b165550aecefbd6286939be84b8d1 Mon Sep 17 00:00:00 2001 From: Misha Brukman Date: Thu, 24 Jun 2004 21:31:16 +0000 Subject: [PATCH] Convert tabs to spaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14373 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/LiveVariables.cpp | 89 +++++++++++++++++------------------ 1 file changed, 44 insertions(+), 45 deletions(-) diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp index f652e0981da..5898cb22556 100644 --- a/lib/CodeGen/LiveVariables.cpp +++ b/lib/CodeGen/LiveVariables.cpp @@ -69,7 +69,7 @@ LiveVariables::VarInfo &LiveVariables::getVarInfo(unsigned RegIdx) { void LiveVariables::MarkVirtRegAliveInBlock(VarInfo &VRInfo, - MachineBasicBlock *MBB) { + MachineBasicBlock *MBB) { unsigned BBNum = getMachineBasicBlockIndex(MBB); // Check to see if this basic block is one of the killing blocks. If so, @@ -97,7 +97,7 @@ void LiveVariables::MarkVirtRegAliveInBlock(VarInfo &VRInfo, } void LiveVariables::HandleVirtRegUse(VarInfo &VRInfo, MachineBasicBlock *MBB, - MachineInstr *MI) { + MachineInstr *MI) { // Check to see if this basic block is already a kill block... if (!VRInfo.Kills.empty() && VRInfo.Kills.back().first == MBB) { // Yes, this register is killed in this basic block already. Increase the @@ -151,7 +151,7 @@ void LiveVariables::HandlePhysRegDef(unsigned Reg, MachineInstr *MI) { if (PhysRegUsed[Alias]) RegistersKilled.insert(std::make_pair(LastUse, Alias)); else - RegistersDead.insert(std::make_pair(LastUse, Alias)); + RegistersDead.insert(std::make_pair(LastUse, Alias)); } PhysRegInfo[Alias] = MI; PhysRegUsed[Alias] = false; @@ -208,7 +208,7 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { // Loop over all of the instructions, processing them. for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end(); - I != E; ++I) { + I != E; ++I) { MachineInstr *MI = I; const TargetInstrDescriptor &MID = TII.get(MI->getOpcode()); @@ -218,24 +218,24 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { // Unless it is a PHI node. In this case, ONLY process the DEF, not any // of the uses. They will be handled in other basic blocks. if (MI->getOpcode() == TargetInstrInfo::PHI) - NumOperandsToProcess = 1; + NumOperandsToProcess = 1; // Loop over implicit uses, using them. for (const unsigned *ImplicitUses = MID.ImplicitUses; *ImplicitUses; ++ImplicitUses) - HandlePhysRegUse(*ImplicitUses, MI); + HandlePhysRegUse(*ImplicitUses, MI); // Process all explicit uses... for (unsigned i = 0; i != NumOperandsToProcess; ++i) { - MachineOperand &MO = MI->getOperand(i); - if (MO.isUse() && MO.isRegister() && MO.getReg()) { - if (MRegisterInfo::isVirtualRegister(MO.getReg())){ - HandleVirtRegUse(getVarInfo(MO.getReg()), MBB, MI); - } else if (MRegisterInfo::isPhysicalRegister(MO.getReg()) && + MachineOperand &MO = MI->getOperand(i); + if (MO.isUse() && MO.isRegister() && MO.getReg()) { + if (MRegisterInfo::isVirtualRegister(MO.getReg())){ + HandleVirtRegUse(getVarInfo(MO.getReg()), MBB, MI); + } else if (MRegisterInfo::isPhysicalRegister(MO.getReg()) && AllocatablePhysicalRegisters[MO.getReg()]) { - HandlePhysRegUse(MO.getReg(), MI); - } - } + HandlePhysRegUse(MO.getReg(), MI); + } + } } // Loop over implicit defs, defining them. @@ -245,20 +245,20 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { // Process all explicit defs... for (unsigned i = 0; i != NumOperandsToProcess; ++i) { - MachineOperand &MO = MI->getOperand(i); - if (MO.isDef() && MO.isRegister() && MO.getReg()) { - if (MRegisterInfo::isVirtualRegister(MO.getReg())) { - VarInfo &VRInfo = getVarInfo(MO.getReg()); - - assert(VRInfo.DefBlock == 0 && "Variable multiply defined!"); - VRInfo.DefBlock = MBB; // Created here... - VRInfo.DefInst = MI; - VRInfo.Kills.push_back(std::make_pair(MBB, MI)); // Defaults to dead - } else if (MRegisterInfo::isPhysicalRegister(MO.getReg()) && + MachineOperand &MO = MI->getOperand(i); + if (MO.isDef() && MO.isRegister() && MO.getReg()) { + if (MRegisterInfo::isVirtualRegister(MO.getReg())) { + VarInfo &VRInfo = getVarInfo(MO.getReg()); + + assert(VRInfo.DefBlock == 0 && "Variable multiply defined!"); + VRInfo.DefBlock = MBB; // Created here... + VRInfo.DefInst = MI; + VRInfo.Kills.push_back(std::make_pair(MBB, MI)); // Defaults to dead + } else if (MRegisterInfo::isPhysicalRegister(MO.getReg()) && AllocatablePhysicalRegisters[MO.getReg()]) { - HandlePhysRegDef(MO.getReg(), MI); - } - } + HandlePhysRegDef(MO.getReg(), MI); + } + } } } @@ -272,20 +272,20 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { // PHI nodes are guaranteed to be at the top of the block... for (MachineBasicBlock::iterator MI = Succ->begin(), ME = Succ->end(); - MI != ME && MI->getOpcode() == TargetInstrInfo::PHI; ++MI) { - for (unsigned i = 1; ; i += 2) { + MI != ME && MI->getOpcode() == TargetInstrInfo::PHI; ++MI) { + for (unsigned i = 1; ; i += 2) { assert(MI->getNumOperands() > i+1 && "Didn't find an entry for our predecessor??"); - if (MI->getOperand(i+1).getMachineBasicBlock() == MBB) { - MachineOperand &MO = MI->getOperand(i); - if (!MO.getVRegValueOrNull()) { - VarInfo &VRInfo = getVarInfo(MO.getReg()); - - // Only mark it alive only in the block we are representing... - MarkVirtRegAliveInBlock(VRInfo, MBB); - break; // Found the PHI entry for this block... - } - } + if (MI->getOperand(i+1).getMachineBasicBlock() == MBB) { + MachineOperand &MO = MI->getOperand(i); + if (!MO.getVRegValueOrNull()) { + VarInfo &VRInfo = getVarInfo(MO.getReg()); + + // Only mark it alive only in the block we are representing... + MarkVirtRegAliveInBlock(VRInfo, MBB); + break; // Found the PHI entry for this block... + } + } } } } @@ -294,7 +294,7 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { // end of the basic block. This also resets the PhysRegInfo map. for (unsigned i = 0, e = RegInfo->getNumRegs(); i != e; ++i) if (PhysRegInfo[i]) - HandlePhysRegDef(i, 0); + HandlePhysRegDef(i, 0); } // Convert the information we have gathered into VirtRegInfo and transform it @@ -303,12 +303,12 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { for (unsigned i = 0, e = VirtRegInfo.size(); i != e; ++i) for (unsigned j = 0, e = VirtRegInfo[i].Kills.size(); j != e; ++j) { if (VirtRegInfo[i].Kills[j].second == VirtRegInfo[i].DefInst) - RegistersDead.insert(std::make_pair(VirtRegInfo[i].Kills[j].second, - i + MRegisterInfo::FirstVirtualRegister)); + RegistersDead.insert(std::make_pair(VirtRegInfo[i].Kills[j].second, + i + MRegisterInfo::FirstVirtualRegister)); else - RegistersKilled.insert(std::make_pair(VirtRegInfo[i].Kills[j].second, - i + MRegisterInfo::FirstVirtualRegister)); + RegistersKilled.insert(std::make_pair(VirtRegInfo[i].Kills[j].second, + i + MRegisterInfo::FirstVirtualRegister)); } return false; @@ -345,7 +345,6 @@ void LiveVariables::instructionChanged(MachineInstr *OldMI, RegistersKilled.insert(std::make_pair(NewMI, Regs[i])); Regs.clear(); - // Move the dead information over... tie(I, E) = dead_range(OldMI); for (killed_iterator A = I; A != E; ++A) -- 2.34.1