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constify these methods.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116455 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-10-13 23:54:10 +00:00
parent 55561d1882
commit 0a0a585e6b
2 changed files with 9 additions and 9 deletions
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8
include/llvm/ADT/APInt.h
View File

@ -808,10 +808,10 @@ public:
// Operations that return overflow indicators.
// ssub_ov - Signed subtraction. Unsigned subtraction never overflows.
APInt sadd_ov(const APInt &RHS, bool &Overflow);
APInt ssub_ov(const APInt &RHS, bool &Overflow);
APInt sdiv_ov(const APInt &RHS, bool &Overflow);
APInt smul_ov(const APInt &RHS, bool &Overflow);
APInt sadd_ov(const APInt &RHS, bool &Overflow) const;
APInt ssub_ov(const APInt &RHS, bool &Overflow) const;
APInt sdiv_ov(const APInt &RHS, bool &Overflow) const;
APInt smul_ov(const APInt &RHS, bool &Overflow) const;
APInt sshl_ov(unsigned Amt, bool &Overflow);
/// @returns the bit value at bitPosition

10
lib/Support/APInt.cpp
View File

@ -2046,27 +2046,27 @@ void APInt::udivrem(const APInt &LHS, const APInt &RHS,
divide(LHS, lhsWords, RHS, rhsWords, &Quotient, &Remainder);
}
APInt APInt::sadd_ov(const APInt &RHS, bool &Overflow) {
APInt APInt::sadd_ov(const APInt &RHS, bool &Overflow) const {
APInt Res = *this+RHS;
Overflow = isNonNegative() == RHS.isNonNegative() &&
Res.isNonNegative() != isNonNegative();
return Res;
}
APInt APInt::ssub_ov(const APInt &RHS, bool &Overflow) {
APInt APInt::ssub_ov(const APInt &RHS, bool &Overflow) const {
APInt Res = *this - RHS;
Overflow = isNonNegative() != RHS.isNonNegative() &&
Res.isNonNegative() != isNonNegative();
return Res;
}
APInt APInt::sdiv_ov(const APInt &RHS, bool &Overflow) {
APInt APInt::sdiv_ov(const APInt &RHS, bool &Overflow) const {
// MININT/-1 --> overflow.
Overflow = isMinSignedValue() && RHS.isAllOnesValue();
return sdiv(RHS);
}
APInt APInt::smul_ov(const APInt &RHS, bool &Overflow) {
APInt APInt::smul_ov(const APInt &RHS, bool &Overflow) const {
APInt Res = *this * RHS;
if (*this != 0 && RHS != 0)
@ -2076,7 +2076,7 @@ APInt APInt::smul_ov(const APInt &RHS, bool &Overflow) {
return Res;
}
APInt APInt::sshl_ov(unsigned ShAmt, bool &Overflow) {
APInt APInt::sshl_ov(unsigned ShAmt, bool &Overflow) const {
Overflow = ShAmt >= getBitWidth();
if (Overflow)
ShAmt = getBitWidth()-1;