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Fix a problem on itanium with memset. The value to set has been promoted to

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i64 before this code, so zero_ext doesn't work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26290 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-02-20 06:38:35 +00:00
parent a6fc94b71e
commit dca7abed91
1 changed files with 6 additions and 2 deletions
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8
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -1661,8 +1661,12 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
const char *FnName = 0;
if (Node->getOpcode() == ISD::MEMSET) {
Args.push_back(std::make_pair(Tmp2, IntPtrTy));
// Extend the ubyte argument to be an int value for the call.
Tmp3 = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, Tmp3);
// Extend the (previously legalized) ubyte argument to be an int value
// for the call.
if (Tmp3.getValueType() > MVT::i32)
Tmp3 = DAG.getNode(ISD::TRUNCATE, MVT::i32, Tmp3);
else
Tmp3 = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, Tmp3);
Args.push_back(std::make_pair(Tmp3, Type::IntTy));
Args.push_back(std::make_pair(Tmp4, IntPtrTy));