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DebugLoc form of getNOT(). 

llvm-svn: 63433
This commit is contained in:
Bill Wendling 2009-01-30 22:11:22 +00:00
parent d14247a9e5
commit cab9a2eef5
2 changed files with 18 additions and 0 deletions
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1
llvm/include/llvm/CodeGen/SelectionDAG.h
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@ -379,6 +379,7 @@ public:
/// getNOT - Create a bitwise NOT operation as (XOR Val, -1). /// getNOT - Create a bitwise NOT operation as (XOR Val, -1).
SDValue getNOT(SDValue Val, MVT VT); SDValue getNOT(SDValue Val, MVT VT);
SDValue getNOT(DebugLoc DL, SDValue Val, MVT VT);
/// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have /// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have
/// a flag result (to ensure it's not CSE'd). /// a flag result (to ensure it's not CSE'd).

17
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -846,6 +846,23 @@ SDValue SelectionDAG::getNOT(SDValue Val, MVT VT) {
return getNode(ISD::XOR, VT, Val, NegOne); return getNode(ISD::XOR, VT, Val, NegOne);
} }
/// getNOT - Create a bitwise NOT operation as (XOR Val, -1).
///
SDValue SelectionDAG::getNOT(DebugLoc DL, SDValue Val, MVT VT) {
SDValue NegOne;
if (VT.isVector()) {
MVT EltVT = VT.getVectorElementType();
SDValue NegOneElt = getConstant(EltVT.getIntegerVTBitMask(), EltVT);
std::vector<SDValue> NegOnes(VT.getVectorNumElements(), NegOneElt);
NegOne = getNode(ISD::BUILD_VECTOR, DebugLoc::getUnknownLoc(), VT,
&NegOnes[0], NegOnes.size());
} else {
NegOne = getConstant(VT.getIntegerVTBitMask(), VT);
}
return getNode(ISD::XOR, DL, VT, Val, NegOne);
}
SDValue SelectionDAG::getConstant(uint64_t Val, MVT VT, bool isT) { SDValue SelectionDAG::getConstant(uint64_t Val, MVT VT, bool isT) {
MVT EltVT = VT.isVector() ? VT.getVectorElementType() : VT; MVT EltVT = VT.isVector() ? VT.getVectorElementType() : VT;
assert((EltVT.getSizeInBits() >= 64 || assert((EltVT.getSizeInBits() >= 64 ||