Define function MipsMCInstLower::LowerOperand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137707 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsMCInstLower.cpp b/lib/Target/Mips/MipsMCInstLower.cpp
index fa65e60..16ec41e 100644
--- a/lib/Target/Mips/MipsMCInstLower.cpp
+++ b/lib/Target/Mips/MipsMCInstLower.cpp
@@ -83,36 +83,39 @@
Ctx));
}
+MCOperand MipsMCInstLower::LowerOperand(const MachineOperand& MO) const {
+ MachineOperandType MOTy = MO.getType();
+
+ switch (MOTy) {
+ default:
+ assert(0 && "unknown operand type");
+ break;
+ case MachineOperand::MO_Register:
+ // Ignore all implicit register operands.
+ if (MO.isImplicit()) break;
+ return MCOperand::CreateReg(MO.getReg());
+ case MachineOperand::MO_Immediate:
+ return MCOperand::CreateImm(MO.getImm());
+ case MachineOperand::MO_MachineBasicBlock:
+ case MachineOperand::MO_GlobalAddress:
+ case MachineOperand::MO_ExternalSymbol:
+ case MachineOperand::MO_JumpTableIndex:
+ case MachineOperand::MO_ConstantPoolIndex:
+ case MachineOperand::MO_BlockAddress:
+ return LowerSymbolOperand(MO, MOTy, 0);
+ }
+
+ return MCOperand();
+}
+
void MipsMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
OutMI.setOpcode(MI->getOpcode());
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
const MachineOperand &MO = MI->getOperand(i);
- MCOperand MCOp;
- MachineOperandType MOTy = MO.getType();
+ MCOperand MCOp = LowerOperand(MO);
- switch (MOTy) {
- default:
- MI->dump();
- llvm_unreachable("unknown operand type");
- case MachineOperand::MO_Register:
- // Ignore all implicit register operands.
- if (MO.isImplicit()) continue;
- MCOp = MCOperand::CreateReg(MO.getReg());
- break;
- case MachineOperand::MO_Immediate:
- MCOp = MCOperand::CreateImm(MO.getImm());
- break;
- case MachineOperand::MO_MachineBasicBlock:
- case MachineOperand::MO_GlobalAddress:
- case MachineOperand::MO_ExternalSymbol:
- case MachineOperand::MO_JumpTableIndex:
- case MachineOperand::MO_ConstantPoolIndex:
- case MachineOperand::MO_BlockAddress:
- MCOp = LowerSymbolOperand(MO, MOTy, 0);
- break;
- }
-
- OutMI.addOperand(MCOp);
+ if (MCOp.isValid())
+ OutMI.addOperand(MCOp);
}
}
diff --git a/lib/Target/Mips/MipsMCInstLower.h b/lib/Target/Mips/MipsMCInstLower.h
index ccb1452..f401536 100644
--- a/lib/Target/Mips/MipsMCInstLower.h
+++ b/lib/Target/Mips/MipsMCInstLower.h
@@ -37,6 +37,7 @@
private:
MCOperand LowerSymbolOperand(const MachineOperand &MO,
MachineOperandType MOTy, unsigned Offset) const;
+ MCOperand LowerOperand(const MachineOperand& MO) const;
};
}