27 struct CFStack {  struct
42   CFStack(const R600Subtarget *st, CallingConv::ID cc) : ST(st),  in CFStack()  function
47   bool branchStackContains(CFStack::StackItem);
49   unsigned getSubEntrySize(CFStack::StackItem Item);
57 unsigned CFStack::getLoopDepth() {  in getLoopDepth()
61 bool CFStack::branchStackContains(CFStack::StackItem Item) {  in branchStackContains()
65 bool CFStack::requiresWorkAroundForInst(unsigned Opcode) {  in requiresWorkAroundForInst()
103 unsigned CFStack::getSubEntrySize(CFStack::StackItem Item) {  in getSubEntrySize()
107   case CFStack::FIRST_NON_WQM_PUSH:  in getSubEntrySize()
121   case CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY:  in getSubEntrySize()
126   case CFStack::SUB_ENTRY:  in getSubEntrySize()
131 void CFStack::updateMaxStackSize() {  in updateMaxStackSize()
136 void CFStack::pushBranch(unsigned Opcode, bool isWQM) {  in pushBranch()
137   CFStack::StackItem Item = CFStack::ENTRY;  in pushBranch()
143           !branchStackContains(CFStack::FIRST_NON_WQM_PUSH))  in pushBranch()
144         Item = CFStack::FIRST_NON_WQM_PUSH;  // May not be required on Evergreen/NI  in pushBranch()
150                !branchStackContains(CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY))  in pushBranch()
151         Item = CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY;  in pushBranch()
153         Item = CFStack::SUB_ENTRY;  in pushBranch()
155       Item = CFStack::ENTRY;  in pushBranch()
159   if (Item == CFStack::ENTRY)  in pushBranch()
166 void CFStack::pushLoop() {  in pushLoop()
167   LoopStack.push_back(CFStack::ENTRY);  in pushLoop()
172 void CFStack::popBranch() {  in popBranch()
173   CFStack::StackItem Top = BranchStack.back();  in popBranch()
174   if (Top == CFStack::ENTRY)  in popBranch()
181 void CFStack::popLoop() {  in popLoop()
484     CFStack CFStack(ST, MF.getFunction().getCallingConv());  in runOnMachineFunction()  local
517             CFStack.requiresWorkAroundForInst(MI->getOpcode());  in runOnMachineFunction()
528             CFStack.pushBranch(R600::CF_PUSH_EG);  in runOnMachineFunction()
530             CFStack.pushBranch(R600::CF_ALU_PUSH_BEFORE);  in runOnMachineFunction()
539           CFStack.pushLoop();  in runOnMachineFunction()
552           CFStack.popLoop();  in runOnMachineFunction()
590           CFStack.popBranch();  in runOnMachineFunction()
667       MFI->CFStackSize = CFStack.MaxStackSize;  in runOnMachineFunction()