Cross Reference: /external/llvm/lib/VMCore/ConstantFold.cpp

Lines Matching refs:ByteStart
184 /// its bytes used.  The bytes used are indicated by ByteStart (which is the
192 static Constant *ExtractConstantBytes(Constant *C, unsigned ByteStart,
199   assert(ByteStart+ByteSize <= CSize && "Extracting invalid piece from input");
205     if (ByteStart)
206       V = V.lshr(ByteStart*8);
219     Constant *RHS = ExtractConstantBytes(CE->getOperand(1), ByteStart,ByteSize);
228     Constant *LHS = ExtractConstantBytes(CE->getOperand(0), ByteStart,ByteSize);
234     Constant *RHS = ExtractConstantBytes(CE->getOperand(1), ByteStart,ByteSize);
242     Constant *LHS = ExtractConstantBytes(CE->getOperand(0), ByteStart,ByteSize);
258     if (ByteStart >= CSize-ShAmt)
262     if (ByteStart+ByteSize+ShAmt <= CSize)
263       return ExtractConstantBytes(CE->getOperand(0), ByteStart+ShAmt, ByteSize);
280     if (ByteStart+ByteSize <= ShAmt)
284     if (ByteStart >= ShAmt)
285       return ExtractConstantBytes(CE->getOperand(0), ByteStart-ShAmt, ByteSize);
296     if (ByteStart*8 >= SrcBitSize)
301     if (ByteStart == 0 && ByteSize*8 == SrcBitSize)
306     if ((SrcBitSize&7) == 0 && (ByteStart+ByteSize)*8 <= SrcBitSize)
307       return ExtractConstantBytes(CE->getOperand(0), ByteStart, ByteSize);
311     if ((ByteStart+ByteSize)*8 < SrcBitSize) {
314       if (ByteStart)
316                                  ConstantInt::get(Res->getType(), ByteStart*8));