Cross Reference: /external/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp

Lines Matching refs:UndefValue
64     return UndefValue::get(VTy->getElementType());
89       return UndefValue::get(VTy->getElementType());
115       return ReplaceInstUsesWith(EI, UndefValue::get(EI.getType()));
180           return ReplaceInstUsesWith(EI, UndefValue::get(EI.getType()));
215   if (isa<UndefValue>(V)) {
216     Mask.assign(NumElts, UndefValue::get(Type::getInt32Ty(V->getContext())));
243     if (isa<UndefValue>(ScalarOp)) {  // inserting undef into vector.
248         Mask[InsertedIdx] = UndefValue::get(Type::getInt32Ty(V->getContext()));
294   if (isa<UndefValue>(V)) {
295     Mask.assign(NumElts, UndefValue::get(Type::getInt32Ty(V->getContext())));
360   if (isa<UndefValue>(ScalarOp) || isa<UndefValue>(IdxOp))
377         return ReplaceInstUsesWith(IE, UndefValue::get(IE.getType()));
390         if (RHS == 0) RHS = UndefValue::get(LHS->getType());
418   if (isa<UndefValue>(SVI.getOperand(2)))
419     return ReplaceInstUsesWith(SVI, UndefValue::get(SVI.getType()));
437   if (LHS == RHS || isa<UndefValue>(LHS)) {
438     if (isa<UndefValue>(LHS) && LHS == RHS) {
441                       ? LHS : UndefValue::get(SVI.getType());
449         Elts.push_back(UndefValue::get(Type::getInt32Ty(SVI.getContext())));
453       if ((Mask[i] >= (int)e && isa<UndefValue>(RHS)) ||
454           (Mask[i] <  (int)e && isa<UndefValue>(LHS))) {
456         Elts.push_back(UndefValue::get(Type::getInt32Ty(SVI.getContext())));
464     SVI.setOperand(1, UndefValue::get(RHS->getType()));
535     if (!isa<UndefValue>(LHSShuffle->getOperand(1)) && !isa<UndefValue>(RHS))
538     if (!isa<UndefValue>(RHSShuffle->getOperand(1)))
561     if (isa<UndefValue>(RHS)) {
610         if (eltMask >= (int)LHSOp0Width && isa<UndefValue>(LHSOp1))
620       if (isa<UndefValue>(RHS))
629           assert(isa<UndefValue>(RHSShuffle->getOperand(1))
661         Elts.push_back(UndefValue::get(Int32Ty));
667       newRHS = UndefValue::get(newLHS->getType());