bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode,
raw_ostream &O);
+ bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O);
void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
void printUnsignedImm(const MachineInstr *MI, int opNum, raw_ostream &O);
void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
return false;
}
+bool MipsAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
+ unsigned OpNum, unsigned AsmVariant,
+ const char *ExtraCode,
+ raw_ostream &O) {
+ if (ExtraCode && ExtraCode[0])
+ return true; // Unknown modifier.
+
+ const MachineOperand &MO = MI->getOperand(OpNum);
+ assert(MO.isReg() && "unexpected inline asm memory operand");
+ O << "0($" << MipsAsmPrinter::getRegisterName(MO.getReg()) << ")";
+ return false;
+}
+
void MipsAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
raw_ostream &O) {
const MachineOperand &MO = MI->getOperand(opNum);
inline SDValue getI32Imm(unsigned Imm) {
return CurDAG->getTargetConstant(Imm, MVT::i32);
}
+
+ virtual bool SelectInlineAsmMemoryOperand(const SDValue &Op,
+ char ConstraintCode,
+ std::vector<SDValue> &OutOps);
};
}
return ResNode;
}
+bool MipsDAGToDAGISel::
+SelectInlineAsmMemoryOperand(const SDValue &Op, char ConstraintCode,
+ std::vector<SDValue> &OutOps) {
+ assert(ConstraintCode == 'm' && "unexpected asm memory constraint");
+ OutOps.push_back(Op);
+ return false;
+}
+
/// createMipsISelDag - This pass converts a legalized DAG into a
/// MIPS-specific DAG, ready for instruction scheduling.
FunctionPass *llvm::createMipsISelDag(MipsTargetMachine &TM) {
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=4ke < %s | FileCheck %s
+
+@g1 = external global i32
+
+define i32 @f1(i32 %x) nounwind {
+entry:
+; CHECK: addiu $[[T0:[0-9]+]], $sp
+; CHECK: #APP
+; CHECK: sw $4, 0($[[T0]])
+; CHECK: #NO_APP
+; CHECK: lw $[[T1:[0-9]+]], %got(g1)($gp)
+; CHECK: #APP
+; CHECK: lw $[[T3:[0-9]+]], 0($[[T0]])
+; CHECK: #NO_APP
+; CHECK: sw $[[T3]], 0($[[T1]])
+
+ %l1 = alloca i32, align 4
+ call void asm "sw $1, $0", "=*m,r"(i32* %l1, i32 %x) nounwind
+ %0 = call i32 asm "lw $0, $1", "=r,*m"(i32* %l1) nounwind
+ store i32 %0, i32* @g1, align 4
+ ret i32 %0
+}
+