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Get rid of idefs for arguments

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21250 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2005-04-12 17:35:16 +00:00
parent 9c24ba642e
commit e1c5a00e8b
1 changed files with 28 additions and 5 deletions
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33
lib/Target/Alpha/AlphaISelPattern.cpp
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@ -170,20 +170,25 @@ AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
for (int i = 0; i < 6; ++i)
{
if (F.isVarArg()) {
BuildMI(&BB, Alpha::IDEF, 0, args_int[i]);
BuildMI(&BB, Alpha::IDEF, 0, args_float[i]);
F->addLiveIn(args_int[i]);
F->addLiveIn(args_float[i]);
// BuildMI(&BB, Alpha::IDEF, 0, args_int[i]);
// BuildMI(&BB, Alpha::IDEF, 0, args_float[i]);
} else if (I != E)
{
if(MVT::isInteger(getValueType(I->getType())))
BuildMI(&BB, Alpha::IDEF, 0, args_int[i]);
F->addLiveIn(args_int[i]);
// BuildMI(&BB, Alpha::IDEF, 0, args_int[i]);
else
BuildMI(&BB, Alpha::IDEF, 0, args_float[i]);
F->addLiveIn(args_float[i]);
// BuildMI(&BB, Alpha::IDEF, 0, args_float[i]);
++I;
}
}
}
BuildMI(&BB, Alpha::IDEF, 0, Alpha::R29);
F->addLiveIn(Alpha::R29);
// BuildMI(&BB, Alpha::IDEF, 0, Alpha::R29);
BuildMI(&BB, Alpha::BIS, 2, GP).addReg(Alpha::R29).addReg(Alpha::R29);
for (Function::arg_iterator I = F.arg_begin(), E = F.arg_end(); I != E; ++I)
@ -257,6 +262,24 @@ AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
//Set up a token factor with all the stack traffic
DAG.setRoot(DAG.getNode(ISD::TokenFactor, MVT::Other, LS));
// Finally, inform the code generator which regs we return values in.
switch (getValueType(F.getReturnType())) {
default: assert(0 && "Unknown type!");
case MVT::isVoid: break;
case MVT::i1:
case MVT::i8:
case MVT::i16:
case MVT::i32:
case MVT::i64:
MF.addLiveOut(Alpha::R0);
break;
case MVT::f32:
case MVT::f64:
MF.addLiveOut(Alpha::F0);
break;
}
//return the arguments
return ArgValues;
}