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Fixed uninitialized stuff inside LegalizeDAG. Fortunately, the only

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affected part is codegen of "memove" inside x86 backend. This fixes
PR1144


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33752 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2007-02-01 08:39:52 +00:00
parent 6e94c00ab2
commit b25fe82671
3 changed files with 11 additions and 4 deletions
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9
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@@ -2178,7 +2178,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
const char *FnName = 0;
if (Node->getOpcode() == ISD::MEMSET) {
Entry.Node = Tmp2; Entry.isSigned = false; Entry.Ty = IntPtrTy;
Entry.isInReg = false;
Entry.isInReg = false; Entry.isSRet = false;
Args.push_back(Entry);
// Extend the (previously legalized) ubyte argument to be an int value
// for the call.
@@ -2187,7 +2187,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
else
Tmp3 = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, Tmp3);
Entry.Node = Tmp3; Entry.Ty = Type::Int32Ty; Entry.isSigned = true;
Entry.isInReg = false;
Entry.isInReg = false; Entry.isSRet = false;
Args.push_back(Entry);
Entry.Node = Tmp4; Entry.Ty = IntPtrTy; Entry.isSigned = false;
Args.push_back(Entry);
@@ -2195,7 +2195,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
FnName = "memset";
} else if (Node->getOpcode() == ISD::MEMCPY ||
Node->getOpcode() == ISD::MEMMOVE) {
Entry.Ty = IntPtrTy; Entry.isSigned = false; Entry.isInReg = false;
Entry.Ty = IntPtrTy;
Entry.isSigned = false; Entry.isInReg = false; Entry.isSRet = false;
Entry.Node = Tmp2; Args.push_back(Entry);
Entry.Node = Tmp3; Args.push_back(Entry);
Entry.Node = Tmp4; Args.push_back(Entry);
@@ -4122,7 +4123,7 @@ SDOperand SelectionDAGLegalize::ExpandLibCall(const char *Name, SDNode *Node,
MVT::ValueType ArgVT = Node->getOperand(i).getValueType();
const Type *ArgTy = MVT::getTypeForValueType(ArgVT);
Entry.Node = Node->getOperand(i); Entry.Ty = ArgTy;
Entry.isSigned = isSigned; Entry.isInReg = false;
Entry.isSigned = isSigned; Entry.isInReg = false; Entry.isSRet = false;
Args.push_back(Entry);
}
SDOperand Callee = DAG.getExternalSymbol(Name, TLI.getPointerTy());