33 struct CFStack {  struct
49   CFStack(const AMDGPUSubtarget *st, unsigned ShaderType) : ST(st),  in CFStack()  argument
55   bool branchStackContains(CFStack::StackItem);
57   unsigned getSubEntrySize(CFStack::StackItem Item);
65 unsigned CFStack::getLoopDepth() {  in getLoopDepth()
69 bool CFStack::branchStackContains(CFStack::StackItem Item) {  in branchStackContains()
70   for (std::vector<CFStack::StackItem>::const_iterator I = BranchStack.begin(),  in branchStackContains()
78 bool CFStack::requiresWorkAroundForInst(unsigned Opcode) {  in requiresWorkAroundForInst()
116 unsigned CFStack::getSubEntrySize(CFStack::StackItem Item) {  in getSubEntrySize()
120   case CFStack::FIRST_NON_WQM_PUSH:  in getSubEntrySize()
134   case CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY:  in getSubEntrySize()
139   case CFStack::SUB_ENTRY:  in getSubEntrySize()
144 void CFStack::updateMaxStackSize() {  in updateMaxStackSize()
150 void CFStack::pushBranch(unsigned Opcode, bool isWQM) {  in pushBranch()
151   CFStack::StackItem Item = CFStack::ENTRY;  in pushBranch()
157           !branchStackContains(CFStack::FIRST_NON_WQM_PUSH))  in pushBranch()
158         Item = CFStack::FIRST_NON_WQM_PUSH;  // May not be required on Evergreen/NI  in pushBranch()
164                !branchStackContains(CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY))  in pushBranch()
165         Item = CFStack::FIRST_NON_WQM_PUSH_W_FULL_ENTRY;  in pushBranch()
167         Item = CFStack::SUB_ENTRY;  in pushBranch()
169       Item = CFStack::ENTRY;  in pushBranch()
173   if (Item == CFStack::ENTRY)  in pushBranch()
180 void CFStack::pushLoop() {  in pushLoop()
181   LoopStack.push_back(CFStack::ENTRY);  in pushLoop()
186 void CFStack::popBranch() {  in popBranch()
187   CFStack::StackItem Top = BranchStack.back();  in popBranch()
188   if (Top == CFStack::ENTRY)  in popBranch()
195 void CFStack::popLoop() {  in popLoop()
481     CFStack CFStack(ST, MFI->getShaderType());  in runOnMachineFunction()  local
514             CFStack.requiresWorkAroundForInst(MI->getOpcode());  in runOnMachineFunction()
524             CFStack.pushBranch(AMDGPU::CF_PUSH_EG);  in runOnMachineFunction()
526             CFStack.pushBranch(AMDGPU::CF_ALU_PUSH_BEFORE);  in runOnMachineFunction()
535           CFStack.pushLoop();  in runOnMachineFunction()
548           CFStack.popLoop();  in runOnMachineFunction()
586           CFStack.popBranch();  in runOnMachineFunction()
661       MFI->StackSize = CFStack.MaxStackSize;  in runOnMachineFunction()