2504   unsigned ShAmtVal = ShiftAmtC->getLimitedValue(TypeBits);  in foldICmpShrConstant()  local
2505   if (ShAmtVal >= TypeBits || ShAmtVal == 0)  in foldICmpShrConstant()
2516         (C - 1).isPowerOf2() && C.countLeadingZeros() > ShAmtVal) {  in foldICmpShrConstant()
2522       APInt ShiftedC = (C - 1).shl(ShAmtVal) + 1;  in foldICmpShrConstant()
2529       APInt ShiftedC = C.shl(ShAmtVal);  in foldICmpShrConstant()
2530       if (ShiftedC.ashr(ShAmtVal) == C)  in foldICmpShrConstant()
2535       APInt ShiftedC = (C + 1).shl(ShAmtVal) - 1;  in foldICmpShrConstant()
2536       if (!C.isMaxSignedValue() && !(C + 1).shl(ShAmtVal).isMinSignedValue() &&  in foldICmpShrConstant()
2537           (ShiftedC + 1).ashr(ShAmtVal) == (C + 1))  in foldICmpShrConstant()
2544       APInt ShiftedC = (C + 1).shl(ShAmtVal) - 1;  in foldICmpShrConstant()
2545       if ((ShiftedC + 1).ashr(ShAmtVal) == (C + 1) ||  in foldICmpShrConstant()
2546           (C + 1).shl(ShAmtVal).isMinSignedValue())  in foldICmpShrConstant()
2554     if (C.getBitWidth() > 2 && C.getNumSignBits() <= ShAmtVal) {  in foldICmpShrConstant()
2568       APInt ShiftedC = C.shl(ShAmtVal);  in foldICmpShrConstant()
2569       if (ShiftedC.lshr(ShAmtVal) == C)  in foldICmpShrConstant()
2574       APInt ShiftedC = (C + 1).shl(ShAmtVal) - 1;  in foldICmpShrConstant()
2575       if ((ShiftedC + 1).lshr(ShAmtVal) == (C + 1))  in foldICmpShrConstant()
2588   assert(((IsAShr && C.shl(ShAmtVal).ashr(ShAmtVal) == C) ||  in foldICmpShrConstant()
2589           (!IsAShr && C.shl(ShAmtVal).lshr(ShAmtVal) == C)) &&  in foldICmpShrConstant()
2595     return new ICmpInst(Pred, X, ConstantInt::get(ShrTy, C << ShAmtVal));  in foldICmpShrConstant()
2601                           ConstantInt::get(ShrTy, (C + 1).shl(ShAmtVal)));  in foldICmpShrConstant()
2604                           ConstantInt::get(ShrTy, (C + 1).shl(ShAmtVal) - 1));  in foldICmpShrConstant()
2610     APInt Val(APInt::getHighBitsSet(TypeBits, TypeBits - ShAmtVal));  in foldICmpShrConstant()
2613     return new ICmpInst(Pred, And, ConstantInt::get(ShrTy, C << ShAmtVal));  in foldICmpShrConstant()