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make void-return not a special case

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34579 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-02-25 07:18:38 +00:00
parent 5a88b837f2
commit 7d53a1c45e
1 changed files with 17 additions and 33 deletions
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50
lib/Target/X86/X86ISelLowering.cpp
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@ -854,10 +854,7 @@ SDOperand X86TargetLowering::LowerCCCCallTo(SDOperand Op, SelectionDAG &DAG,
NumBytesForCalleeToPush = NumSRetBytes;
}
if (RetVT != MVT::Other)
NodeTys = DAG.getVTList(MVT::Other, MVT::Flag);
else
NodeTys = DAG.getVTList(MVT::Other);
NodeTys = DAG.getVTList(MVT::Other, MVT::Flag);
Ops.clear();
Ops.push_back(Chain);
Ops.push_back(DAG.getConstant(NumBytes, getPointerTy()));
@ -870,7 +867,9 @@ SDOperand X86TargetLowering::LowerCCCCallTo(SDOperand Op, SelectionDAG &DAG,
SmallVector<SDOperand, 8> ResultVals;
switch (RetVT) {
default: assert(0 && "Unknown value type to return!");
case MVT::Other: break;
case MVT::Other:
NodeTys = DAG.getVTList(MVT::Other);
break;
case MVT::i8:
Chain = DAG.getCopyFromReg(Chain, X86::AL, MVT::i8, InFlag).getValue(1);
ResultVals.push_back(Chain.getValue(0));
@ -939,11 +938,7 @@ SDOperand X86TargetLowering::LowerCCCCallTo(SDOperand Op, SelectionDAG &DAG,
}
}
// If the function returns void, just return the chain.
if (ResultVals.empty())
return Chain;
// Otherwise, merge everything together with a MERGE_VALUES node.
// Merge everything together with a MERGE_VALUES node.
ResultVals.push_back(Chain);
SDOperand Res = DAG.getNode(ISD::MERGE_VALUES, NodeTys,
&ResultVals[0], ResultVals.size());
@ -1372,11 +1367,8 @@ X86TargetLowering::LowerX86_64CCCCallTo(SDOperand Op, SelectionDAG &DAG) {
NodeTys, &Ops[0], Ops.size());
InFlag = Chain.getValue(1);
if (RetVT != MVT::Other)
// Returns a flag for retval copy to use.
NodeTys = DAG.getVTList(MVT::Other, MVT::Flag);
else
NodeTys = DAG.getVTList(MVT::Other);
// Returns a flag for retval copy to use.
NodeTys = DAG.getVTList(MVT::Other, MVT::Flag);
Ops.clear();
Ops.push_back(Chain);
Ops.push_back(DAG.getConstant(NumBytes, getPointerTy()));
@ -1389,7 +1381,9 @@ X86TargetLowering::LowerX86_64CCCCallTo(SDOperand Op, SelectionDAG &DAG) {
SmallVector<SDOperand, 8> ResultVals;
switch (RetVT) {
default: assert(0 && "Unknown value type to return!");
case MVT::Other: break;
case MVT::Other:
NodeTys = DAG.getVTList(MVT::Other);
break;
case MVT::i8:
Chain = DAG.getCopyFromReg(Chain, X86::AL, MVT::i8, InFlag).getValue(1);
ResultVals.push_back(Chain.getValue(0));
@ -1435,11 +1429,7 @@ X86TargetLowering::LowerX86_64CCCCallTo(SDOperand Op, SelectionDAG &DAG) {
break;
}
// If the function returns void, just return the chain.
if (ResultVals.empty())
return Chain;
// Otherwise, merge everything together with a MERGE_VALUES node.
// Merge everything together with a MERGE_VALUES node.
ResultVals.push_back(Chain);
SDOperand Res = DAG.getNode(ISD::MERGE_VALUES, NodeTys,
&ResultVals[0], ResultVals.size());
@ -1812,11 +1802,8 @@ SDOperand X86TargetLowering::LowerFastCCCallTo(SDOperand Op, SelectionDAG &DAG,
NodeTys, &Ops[0], Ops.size());
InFlag = Chain.getValue(1);
if (RetVT != MVT::Other)
// Returns a flag for retval copy to use.
NodeTys = DAG.getVTList(MVT::Other, MVT::Flag);
else
NodeTys = DAG.getVTList(MVT::Other);
// Returns a flag for retval copy to use.
NodeTys = DAG.getVTList(MVT::Other, MVT::Flag);
Ops.clear();
Ops.push_back(Chain);
Ops.push_back(DAG.getConstant(NumBytes, getPointerTy()));
@ -1829,7 +1816,9 @@ SDOperand X86TargetLowering::LowerFastCCCallTo(SDOperand Op, SelectionDAG &DAG,
SmallVector<SDOperand, 8> ResultVals;
switch (RetVT) {
default: assert(0 && "Unknown value type to return!");
case MVT::Other: break;
case MVT::Other:
NodeTys = DAG.getVTList(MVT::Other);
break;
case MVT::i8:
Chain = DAG.getCopyFromReg(Chain, X86::AL, MVT::i8, InFlag).getValue(1);
ResultVals.push_back(Chain.getValue(0));
@ -1908,12 +1897,7 @@ SDOperand X86TargetLowering::LowerFastCCCallTo(SDOperand Op, SelectionDAG &DAG,
}
}
// If the function returns void, just return the chain.
if (ResultVals.empty())
return Chain;
// Otherwise, merge everything together with a MERGE_VALUES node.
// Merge everything together with a MERGE_VALUES node.
ResultVals.push_back(Chain);
SDOperand Res = DAG.getNode(ISD::MERGE_VALUES, NodeTys,
&ResultVals[0], ResultVals.size());