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Fix a FIXME: realize that argument stores are all independent (don't alias)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19728 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-01-21 19:46:38 +00:00
parent a93ec3ebfb
commit b62e1e296e
1 changed files with 7 additions and 6 deletions
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13
lib/Target/X86/X86ISelPattern.cpp
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@ -196,6 +196,8 @@ X86TargetLowering::LowerCallTo(SDOperand Chain,
unsigned ArgOffset = 0;
SDOperand StackPtr = DAG.getCopyFromReg(X86::ESP, MVT::i32,
DAG.getEntryNode());
std::vector<SDOperand> Stores;
for (unsigned i = 0, e = Args.size(); i != e; ++i) {
unsigned ArgReg;
SDOperand PtrOff = DAG.getConstant(ArgOffset, getPointerTy());
@ -216,20 +218,19 @@ X86TargetLowering::LowerCallTo(SDOperand Chain,
// FALL THROUGH
case MVT::i32:
case MVT::f32:
// FIXME: Note that all of these stores are independent of each other.
Chain = DAG.getNode(ISD::STORE, MVT::Other, Chain,
Args[i].first, PtrOff);
Stores.push_back(DAG.getNode(ISD::STORE, MVT::Other, Chain,
Args[i].first, PtrOff));
ArgOffset += 4;
break;
case MVT::i64:
case MVT::f64:
// FIXME: Note that all of these stores are independent of each other.
Chain = DAG.getNode(ISD::STORE, MVT::Other, Chain,
Args[i].first, PtrOff);
Stores.push_back(DAG.getNode(ISD::STORE, MVT::Other, Chain,
Args[i].first, PtrOff));
ArgOffset += 8;
break;
}
}
Chain = DAG.getNode(ISD::TokenFactor, MVT::Other, Stores);
}
std::vector<MVT::ValueType> RetVals;