diff options
Diffstat (limited to 'llvm/lib/Support/APInt.cpp')
| -rw-r--r-- | llvm/lib/Support/APInt.cpp | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp index 60372736d78..1fae0e9b8d6 100644 --- a/llvm/lib/Support/APInt.cpp +++ b/llvm/lib/Support/APInt.cpp @@ -1735,25 +1735,25 @@ void APInt::udivrem(const APInt &LHS, const APInt &RHS, // Check the degenerate cases if (lhsWords == 0) { - Quotient = 0; // 0 / Y ===> 0 - Remainder = 0; // 0 % Y ===> 0 + Quotient = APInt(BitWidth, 0); // 0 / Y ===> 0 + Remainder = APInt(BitWidth, 0); // 0 % Y ===> 0 return; } if (rhsBits == 1) { - Quotient = LHS; // X / 1 ===> X - Remainder = 0; // X % 1 ===> 0 + Quotient = LHS; // X / 1 ===> X + Remainder = APInt(BitWidth, 0); // X % 1 ===> 0 } if (lhsWords < rhsWords || LHS.ult(RHS)) { - Remainder = LHS; // X % Y ===> X, iff X < Y - Quotient = 0; // X / Y ===> 0, iff X < Y + Remainder = LHS; // X % Y ===> X, iff X < Y + Quotient = APInt(BitWidth, 0); // X / Y ===> 0, iff X < Y return; } if (LHS == RHS) { - Quotient = 1; // X / X ===> 1 - Remainder = 0; // X % X ===> 0; + Quotient = APInt(BitWidth, 1); // X / X ===> 1 + Remainder = APInt(BitWidth, 0); // X % X ===> 0; return; } @@ -1801,25 +1801,26 @@ void APInt::udivrem(const APInt &LHS, uint64_t RHS, APInt &Quotient, // Check the degenerate cases if (lhsWords == 0) { - Quotient = 0; // 0 / Y ===> 0 - Remainder = 0; // 0 % Y ===> 0 + Quotient = APInt(BitWidth, 0); // 0 / Y ===> 0 + Remainder = 0; // 0 % Y ===> 0 return; } if (RHS == 1) { - Quotient = LHS; // X / 1 ===> X - Remainder = 0; // X % 1 ===> 0 + Quotient = LHS; // X / 1 ===> X + Remainder = 0; // X % 1 ===> 0 + return; } if (LHS.ult(RHS)) { - Remainder = LHS.getZExtValue(); // X % Y ===> X, iff X < Y - Quotient = 0; // X / Y ===> 0, iff X < Y + Remainder = LHS.getZExtValue(); // X % Y ===> X, iff X < Y + Quotient = APInt(BitWidth, 0); // X / Y ===> 0, iff X < Y return; } if (LHS == RHS) { - Quotient = 1; // X / X ===> 1 - Remainder = 0; // X % X ===> 0; + Quotient = APInt(BitWidth, 1); // X / X ===> 1 + Remainder = 0; // X % X ===> 0; return; } |
