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don't reserve space for tailcall arg areas. It explicitly managed.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22050 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-05-15 06:07:10 +00:00
parent 5934de7aea
commit ea0354346f
1 changed files with 4 additions and 2 deletions
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6
lib/Target/X86/X86ISelPattern.cpp
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@ -3764,8 +3764,10 @@ static SDOperand GetAdjustedArgumentStores(SDOperand Chain, int Offset,
MVT::ValueType StoreVT;
switch (Chain.getOpcode()) {
case ISD::CALLSEQ_START:
// If we found the start of the call sequence, we're done.
return Chain;
// If we found the start of the call sequence, we're done. We actually
// strip off the CALLSEQ_START node, to avoid generating the
// ADJCALLSTACKDOWN marker for the tail call.
return Chain.getOperand(0);
case ISD::TokenFactor: {
std::vector<SDOperand> Ops;
Ops.reserve(Chain.getNumOperands());