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Simplify Call translation slightly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3963 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1965,11 +1965,11 @@ GetInstructionsByRule(InstructionNode* subtreeRoot,
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}
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case 61: // reg: Call
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{ // Generate a direct (CALL) or indirect (JMPL). depending
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// Mark the return-address register and the indirection
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// register (if any) as hidden virtual registers.
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// Also, mark the operands of the Call and return value (if
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// any) as implicit operands of the CALL machine instruction.
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{ // Generate a direct (CALL) or indirect (JMPL) call.
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// Mark the return-address register, the indirection
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// register (for indirect calls), the operands of the Call,
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// and the return value (if any) as implicit operands
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// of the machine instruction.
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//
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// If this is a varargs function, floating point arguments
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// have to passed in integer registers so insert
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@ -1978,7 +1978,7 @@ GetInstructionsByRule(InstructionNode* subtreeRoot,
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CallInst *callInstr = cast<CallInst>(subtreeRoot->getInstruction());
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Value *callee = callInstr->getCalledValue();
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// Create hidden virtual register for return address, with type void*.
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// Create hidden virtual register for return address with type void*
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TmpInstruction* retAddrReg =
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new TmpInstruction(PointerType::get(Type::VoidTy), callInstr);
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MachineCodeForInstruction::get(callInstr).addTemp(retAddrReg);
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@ -1988,23 +1988,11 @@ GetInstructionsByRule(InstructionNode* subtreeRoot,
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// the PC-relative address fits in the CALL address field (22 bits).
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// Use JMPL for indirect calls.
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//
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if (isa<Function>(callee))
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{ // direct function call
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M = new MachineInstr(CALL);
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M->SetMachineOperandVal(0, MachineOperand::MO_PCRelativeDisp,
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callee);
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}
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else
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{ // indirect function call
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M = new MachineInstr(JMPLCALL);
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M->SetMachineOperandVal(0, MachineOperand::MO_VirtualRegister,
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callee);
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M->SetMachineOperandConst(1, MachineOperand::MO_SignExtendedImmed,
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(int64_t) 0);
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M->SetMachineOperandVal(2, MachineOperand::MO_VirtualRegister,
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retAddrReg);
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}
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if (isa<Function>(callee)) // direct function call
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M = Create1OperandInstr_Addr(CALL, callee);
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else // indirect function call
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M = Create3OperandInstr_SImmed(JMPLCALL, callee,
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(int64_t) 0, retAddrReg);
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mvec.push_back(M);
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const FunctionType* funcType =
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