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1ULL << 64 is undefined, don't do it.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19365 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-01-08 06:24:30 +00:00
parent 7ab65934a0
commit 623f70dd4c
1 changed files with 3 additions and 2 deletions
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5
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -218,8 +218,9 @@ SelectionDAG::~SelectionDAG() {
SDOperand SelectionDAG::getConstant(uint64_t Val, MVT::ValueType VT) {
assert(MVT::isInteger(VT) && "Cannot create FP integer constant!");
// Mask out any bits that are not valid for this constant.
Val &= (1ULL << MVT::getSizeInBits(VT)) - 1;
if (VT != MVT::i64)
Val &= ((uint64_t)1 << MVT::getSizeInBits(VT)) - 1;
SDNode *&N = Constants[std::make_pair(Val, VT)];
if (N) return SDOperand(N, 0);
N = new ConstantSDNode(Val, VT);