28 struct CFStack {  struct
43   CFStack(const R600Subtarget *st, CallingConv::ID cc) : ST(st),  in CFStack()  argument
48   bool branchStackContains(CFStack::StackItem);
50   unsigned getSubEntrySize(CFStack::StackItem Item);
58 unsigned CFStack::getLoopDepth() {  in getLoopDepth()
62 bool CFStack::branchStackContains(CFStack::StackItem Item) {  in branchStackContains()
66 bool CFStack::requiresWorkAroundForInst(unsigned Opcode) {  in requiresWorkAroundForInst()
104 unsigned CFStack::getSubEntrySize(CFStack::StackItem Item) {  in getSubEntrySize()
108   case CFStack::FIRST_NON_WQM_PUSH:  in getSubEntrySize()
122   case CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY:  in getSubEntrySize()
127   case CFStack::SUB_ENTRY:  in getSubEntrySize()
132 void CFStack::updateMaxStackSize() {  in updateMaxStackSize()
137 void CFStack::pushBranch(unsigned Opcode, bool isWQM) {  in pushBranch()
138   CFStack::StackItem Item = CFStack::ENTRY;  in pushBranch()
144           !branchStackContains(CFStack::FIRST_NON_WQM_PUSH))  in pushBranch()
145         Item = CFStack::FIRST_NON_WQM_PUSH;  // May not be required on Evergreen/NI  in pushBranch()
151                !branchStackContains(CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY))  in pushBranch()
152         Item = CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY;  in pushBranch()
154         Item = CFStack::SUB_ENTRY;  in pushBranch()
156       Item = CFStack::ENTRY;  in pushBranch()
160   if (Item == CFStack::ENTRY)  in pushBranch()
167 void CFStack::pushLoop() {  in pushLoop()
168   LoopStack.push_back(CFStack::ENTRY);  in pushLoop()
173 void CFStack::popBranch() {  in popBranch()
174   CFStack::StackItem Top = BranchStack.back();  in popBranch()
175   if (Top == CFStack::ENTRY)  in popBranch()
182 void CFStack::popLoop() {  in popLoop()
483     CFStack CFStack(ST, MF.getFunction().getCallingConv());  in runOnMachineFunction()  local
516             CFStack.requiresWorkAroundForInst(MI->getOpcode());  in runOnMachineFunction()
527             CFStack.pushBranch(R600::CF_PUSH_EG);  in runOnMachineFunction()
529             CFStack.pushBranch(R600::CF_ALU_PUSH_BEFORE);  in runOnMachineFunction()
538           CFStack.pushLoop();  in runOnMachineFunction()
551           CFStack.popLoop();  in runOnMachineFunction()
589           CFStack.popBranch();  in runOnMachineFunction()
665       MFI->CFStackSize = CFStack.MaxStackSize;  in runOnMachineFunction()