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()
103 unsigned CFStack::getSubEntrySize(CFStack::StackItem Item) {  in getSubEntrySize()
107   case CFStack::FIRST_NON_WQM_PUSH:  in getSubEntrySize()
120   case CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY:  in getSubEntrySize()
125   case CFStack::SUB_ENTRY:  in getSubEntrySize()
130 void CFStack::updateMaxStackSize() {  in updateMaxStackSize()
135 void CFStack::pushBranch(unsigned Opcode, bool isWQM) {  in pushBranch()
136   CFStack::StackItem Item = CFStack::ENTRY;  in pushBranch()
142           !branchStackContains(CFStack::FIRST_NON_WQM_PUSH))  in pushBranch()
143         Item = CFStack::FIRST_NON_WQM_PUSH;  // May not be required on Evergreen/NI  in pushBranch()
149                !branchStackContains(CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY))  in pushBranch()
150         Item = CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY;  in pushBranch()
152         Item = CFStack::SUB_ENTRY;  in pushBranch()
154       Item = CFStack::ENTRY;  in pushBranch()
158   if (Item == CFStack::ENTRY)  in pushBranch()
165 void CFStack::pushLoop() {  in pushLoop()
166   LoopStack.push_back(CFStack::ENTRY);  in pushLoop()
171 void CFStack::popBranch() {  in popBranch()
172   CFStack::StackItem Top = BranchStack.back();  in popBranch()
173   if (Top == CFStack::ENTRY)  in popBranch()
180 void CFStack::popLoop() {  in popLoop()
481     CFStack CFStack(ST, MF.getFunction().getCallingConv());  in runOnMachineFunction()  local
514             CFStack.requiresWorkAroundForInst(MI->getOpcode());  in runOnMachineFunction()
525             CFStack.pushBranch(R600::CF_PUSH_EG);  in runOnMachineFunction()
527             CFStack.pushBranch(R600::CF_ALU_PUSH_BEFORE);  in runOnMachineFunction()
536           CFStack.pushLoop();  in runOnMachineFunction()
549           CFStack.popLoop();  in runOnMachineFunction()
587           CFStack.popBranch();  in runOnMachineFunction()
663       MFI->CFStackSize = CFStack.MaxStackSize;  in runOnMachineFunction()