2310   unsigned ShAmtVal = ShiftAmtC->getLimitedValue(TypeBits);  in foldICmpShrConstant()  local
2311   if (ShAmtVal >= TypeBits || ShAmtVal == 0)  in foldICmpShrConstant()
2325       APInt ShiftedC = C.shl(ShAmtVal);  in foldICmpShrConstant()
2326       if (ShiftedC.ashr(ShAmtVal) == C)  in foldICmpShrConstant()
2331       APInt ShiftedC = (C + 1).shl(ShAmtVal) - 1;  in foldICmpShrConstant()
2332       if (!C.isMaxSignedValue() && !(C + 1).shl(ShAmtVal).isMinSignedValue() &&  in foldICmpShrConstant()
2333           (ShiftedC + 1).ashr(ShAmtVal) == (C + 1))  in foldICmpShrConstant()
2340       APInt ShiftedC = (C + 1).shl(ShAmtVal) - 1;  in foldICmpShrConstant()
2341       if ((ShiftedC + 1).ashr(ShAmtVal) == (C + 1) ||  in foldICmpShrConstant()
2342           (C + 1).shl(ShAmtVal).isMinSignedValue())  in foldICmpShrConstant()
2350     if (C.getBitWidth() > 2 && C.getNumSignBits() <= ShAmtVal) {  in foldICmpShrConstant()
2364       APInt ShiftedC = C.shl(ShAmtVal);  in foldICmpShrConstant()
2365       if (ShiftedC.lshr(ShAmtVal) == C)  in foldICmpShrConstant()
2370       APInt ShiftedC = (C + 1).shl(ShAmtVal) - 1;  in foldICmpShrConstant()
2371       if ((ShiftedC + 1).lshr(ShAmtVal) == (C + 1))  in foldICmpShrConstant()
2384   assert(((IsAShr && C.shl(ShAmtVal).ashr(ShAmtVal) == C) ||  in foldICmpShrConstant()
2385           (!IsAShr && C.shl(ShAmtVal).lshr(ShAmtVal) == C)) &&  in foldICmpShrConstant()
2391     return new ICmpInst(Pred, X, ConstantInt::get(ShrTy, C << ShAmtVal));  in foldICmpShrConstant()
2397                           ConstantInt::get(ShrTy, (C + 1).shl(ShAmtVal)));  in foldICmpShrConstant()
2400                           ConstantInt::get(ShrTy, (C + 1).shl(ShAmtVal) - 1));  in foldICmpShrConstant()
2406     APInt Val(APInt::getHighBitsSet(TypeBits, TypeBits - ShAmtVal));  in foldICmpShrConstant()
2409     return new ICmpInst(Pred, And, ConstantInt::get(ShrTy, C << ShAmtVal));  in foldICmpShrConstant()