53 struct CFStack {  struct
68   CFStack(const R600Subtarget *st, CallingConv::ID cc) : ST(st),  in CFStack()  argument
73   bool branchStackContains(CFStack::StackItem);
75   unsigned getSubEntrySize(CFStack::StackItem Item);
83 unsigned CFStack::getLoopDepth() {  in getLoopDepth()
87 bool CFStack::branchStackContains(CFStack::StackItem Item) {  in branchStackContains()
88   for (std::vector<CFStack::StackItem>::const_iterator I = BranchStack.begin(),  in branchStackContains()
96 bool CFStack::requiresWorkAroundForInst(unsigned Opcode) {  in requiresWorkAroundForInst()
134 unsigned CFStack::getSubEntrySize(CFStack::StackItem Item) {  in getSubEntrySize()
138   case CFStack::FIRST_NON_WQM_PUSH:  in getSubEntrySize()
152   case CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY:  in getSubEntrySize()
157   case CFStack::SUB_ENTRY:  in getSubEntrySize()
162 void CFStack::updateMaxStackSize() {  in updateMaxStackSize()
168 void CFStack::pushBranch(unsigned Opcode, bool isWQM) {  in pushBranch()
169   CFStack::StackItem Item = CFStack::ENTRY;  in pushBranch()
175           !branchStackContains(CFStack::FIRST_NON_WQM_PUSH))  in pushBranch()
176         Item = CFStack::FIRST_NON_WQM_PUSH;  // May not be required on Evergreen/NI  in pushBranch()
182                !branchStackContains(CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY))  in pushBranch()
183         Item = CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY;  in pushBranch()
185         Item = CFStack::SUB_ENTRY;  in pushBranch()
187       Item = CFStack::ENTRY;  in pushBranch()
191   if (Item == CFStack::ENTRY)  in pushBranch()
198 void CFStack::pushLoop() {  in pushLoop()
199   LoopStack.push_back(CFStack::ENTRY);  in pushLoop()
204 void CFStack::popBranch() {  in popBranch()
205   CFStack::StackItem Top = BranchStack.back();  in popBranch()
206   if (Top == CFStack::ENTRY)  in popBranch()
213 void CFStack::popLoop() {  in popLoop()
516     CFStack CFStack(ST, MF.getFunction().getCallingConv());  in runOnMachineFunction()  local
549             CFStack.requiresWorkAroundForInst(MI->getOpcode());  in runOnMachineFunction()
560             CFStack.pushBranch(R600::CF_PUSH_EG);  in runOnMachineFunction()
562             CFStack.pushBranch(R600::CF_ALU_PUSH_BEFORE);  in runOnMachineFunction()
571           CFStack.pushLoop();  in runOnMachineFunction()
584           CFStack.popLoop();  in runOnMachineFunction()
622           CFStack.popBranch();  in runOnMachineFunction()
699       MFI->CFStackSize = CFStack.MaxStackSize;  in runOnMachineFunction()