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Mips ISelLowering cleanup : Removed old LowerCALL and FORMAL_ARGS helpers, they

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aren't used anyway, they also used to broke compiling when fastcc was specified for a
function, but not anymore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54316 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2008-08-04 07:12:52 +00:00
parent ea9d4d6ab0
commit f7f3b50cd8
2 changed files with 9 additions and 40 deletions
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47
lib/Target/Mips/MipsISelLowering.cpp
View File

@ -556,34 +556,19 @@ LowerConstantPool(SDValue Op, SelectionDAG &DAG)
// CALL Calling Convention Implementation // CALL Calling Convention Implementation
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
/// Mips custom CALL implementation
SDValue MipsTargetLowering::
LowerCALL(SDValue Op, SelectionDAG &DAG)
{
unsigned CallingConv = cast<ConstantSDNode>(Op.getOperand(1))->getValue();
// By now, only CallingConv::C implemented
switch (CallingConv) {
default:
assert(0 && "Unsupported calling convention");
case CallingConv::Fast:
case CallingConv::C:
return LowerCCCCallTo(Op, DAG, CallingConv);
}
}
/// LowerCCCCallTo - functions arguments are copied from virtual /// LowerCCCCallTo - functions arguments are copied from virtual
/// regs to (physical regs)/(stack frame), CALLSEQ_START and /// regs to (physical regs)/(stack frame), CALLSEQ_START and
/// CALLSEQ_END are emitted. /// CALLSEQ_END are emitted.
/// TODO: isVarArg, isTailCall. /// TODO: isVarArg, isTailCall.
SDValue MipsTargetLowering:: SDValue MipsTargetLowering::
LowerCCCCallTo(SDValue Op, SelectionDAG &DAG, unsigned CC) LowerCALL(SDValue Op, SelectionDAG &DAG)
{ {
MachineFunction &MF = DAG.getMachineFunction(); MachineFunction &MF = DAG.getMachineFunction();
SDValue Chain = Op.getOperand(0); SDValue Chain = Op.getOperand(0);
SDValue Callee = Op.getOperand(4); SDValue Callee = Op.getOperand(4);
bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getValue() != 0; bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getValue() != 0;
unsigned CC = DAG.getMachineFunction().getFunction()->getCallingConv();
MachineFrameInfo *MFI = MF.getFrameInfo(); MachineFrameInfo *MFI = MF.getFrameInfo();
@ -786,34 +771,20 @@ LowerCallResult(SDValue Chain, SDValue InFlag, SDNode *TheCall,
// FORMAL_ARGUMENTS Calling Convention Implementation // FORMAL_ARGUMENTS Calling Convention Implementation
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
/// Mips custom FORMAL_ARGUMENTS implementation /// LowerFORMAL_ARGUMENTS - transform physical registers into
SDValue MipsTargetLowering::
LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG)
{
unsigned CC = cast<ConstantSDNode>(Op.getOperand(1))->getValue();
switch(CC)
{
default:
assert(0 && "Unsupported calling convention");
case CallingConv::C:
return LowerCCCArguments(Op, DAG);
}
}
/// LowerCCCArguments - transform physical registers into
/// virtual registers and generate load operations for /// virtual registers and generate load operations for
/// arguments places on the stack. /// arguments places on the stack.
/// TODO: isVarArg /// TODO: isVarArg
SDValue MipsTargetLowering:: SDValue MipsTargetLowering::
LowerCCCArguments(SDValue Op, SelectionDAG &DAG) LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG)
{ {
SDValue Root = Op.getOperand(0); SDValue Root = Op.getOperand(0);
MachineFunction &MF = DAG.getMachineFunction(); MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo(); MachineFrameInfo *MFI = MF.getFrameInfo();
MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>(); MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getValue() != 0; bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getValue() != 0;
unsigned CC = DAG.getMachineFunction().getFunction()->getCallingConv(); unsigned CC = DAG.getMachineFunction().getFunction()->getCallingConv();
unsigned StackReg = MF.getTarget().getRegisterInfo()->getFrameRegister(MF); unsigned StackReg = MF.getTarget().getRegisterInfo()->getFrameRegister(MF);

2
lib/Target/Mips/MipsISelLowering.h
View File

@ -83,8 +83,6 @@ namespace llvm {
const MipsSubtarget *Subtarget; const MipsSubtarget *Subtarget;
// Lower Operand helpers // Lower Operand helpers
SDValue LowerCCCArguments(SDValue Op, SelectionDAG &DAG);
SDValue LowerCCCCallTo(SDValue Op, SelectionDAG &DAG, unsigned CC);
SDNode *LowerCallResult(SDValue Chain, SDValue InFlag, SDNode*TheCall, SDNode *LowerCallResult(SDValue Chain, SDValue InFlag, SDNode*TheCall,
unsigned CallingConv, SelectionDAG &DAG); unsigned CallingConv, SelectionDAG &DAG);
bool IsGlobalInSmallSection(GlobalValue *GV); bool IsGlobalInSmallSection(GlobalValue *GV);