62   bool isLoadInst(unsigned Opcode);
76                   unsigned Opcode);
96 static bool isST(unsigned Opcode) {  in isST()  argument
97   return Opcode == BPF::STB_imm || Opcode == BPF::STH_imm ||  in isST()
98          Opcode == BPF::STW_imm || Opcode == BPF::STD_imm;  in isST()
101 static bool isSTX32(unsigned Opcode) {  in isSTX32()  argument
102   return Opcode == BPF::STB32 || Opcode == BPF::STH32 || Opcode == BPF::STW32;  in isSTX32()
105 static bool isSTX64(unsigned Opcode) {  in isSTX64()  argument
106   return Opcode == BPF::STB || Opcode == BPF::STH || Opcode == BPF::STW ||  in isSTX64()
107          Opcode == BPF::STD;  in isSTX64()
110 static bool isLDX32(unsigned Opcode) {  in isLDX32()  argument
111   return Opcode == BPF::LDB32 || Opcode == BPF::LDH32 || Opcode == BPF::LDW32;  in isLDX32()
114 static bool isLDX64(unsigned Opcode) {  in isLDX64()  argument
115   return Opcode == BPF::LDB || Opcode == BPF::LDH || Opcode == BPF::LDW ||  in isLDX64()
116          Opcode == BPF::LDD;  in isLDX64()
119 static bool isLDSX(unsigned Opcode) {  in isLDSX()  argument
120   return Opcode == BPF::LDBSX || Opcode == BPF::LDHSX || Opcode == BPF::LDWSX;  in isLDSX()
123 bool BPFMISimplifyPatchable::isLoadInst(unsigned Opcode) {  in isLoadInst()  argument
124   return isLDX32(Opcode) || isLDX64(Opcode) || isLDSX(Opcode);  in isLoadInst()
143     unsigned Opcode = DefInst->getOpcode();  in checkADDrr()  local
145     if (isLDX64(Opcode) || isLDSX(Opcode))  in checkADDrr()
147     else if (isLDX32(Opcode))  in checkADDrr()
149     else if (isSTX64(Opcode) || isSTX32(Opcode) || isST(Opcode))  in checkADDrr()
162     if (isSTX64(Opcode) || isSTX32(Opcode)) {  in checkADDrr()
169         .add(DefInst->getOperand(0)).addImm(Opcode).add(*BaseOp)  in checkADDrr()
177     unsigned Opcode) {  in checkShift()  argument
184       .add(Inst->getOperand(0)).addImm(Opcode)  in checkShift()
207         unsigned Opcode = I->getParent()->getOpcode();  in processCandidate()  local
208         if (Opcode == BPF::SUBREG_TO_REG) {  in processCandidate()
287   unsigned Opcode = Inst->getOpcode();  in processInst()  local
288   if (isLoadInst(Opcode)) {  in processInst()
293   if (Opcode == BPF::ADD_rr)  in processInst()
295   else if (Opcode == BPF::SLL_rr)  in processInst()
297   else if (Opcode == BPF::SRA_rr)  in processInst()
299   else if (Opcode == BPF::SRL_rr)  in processInst()