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Add support to APInt for shift and rotate operations with APInt

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instead of uint32_t for the shift/rotate count operand type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47741 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-02-29 01:40:47 +00:00
parent b26947e967
commit cf609575ef
2 changed files with 49 additions and 0 deletions
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22
include/llvm/ADT/APInt.h
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@@ -584,6 +584,10 @@ public:
return shl(Bits);
}
APInt operator<<(const APInt &Bits) const {
return shl(Bits);
}
/// Arithmetic right-shift this APInt by shiftAmt.
/// @brief Arithmetic right-shift function.
APInt ashr(uint32_t shiftAmt) const;
@@ -602,6 +606,24 @@ public:
/// @brief Rotate right by rotateAmt.
APInt rotr(uint32_t rotateAmt) const;
/// Arithmetic right-shift this APInt by shiftAmt.
/// @brief Arithmetic right-shift function.
APInt ashr(const APInt &shiftAmt) const;
/// Logical right-shift this APInt by shiftAmt.
/// @brief Logical right-shift function.
APInt lshr(const APInt &shiftAmt) const;
/// Left-shift this APInt by shiftAmt.
/// @brief Left-shift function.
APInt shl(const APInt &shiftAmt) const;
/// @brief Rotate left by rotateAmt.
APInt rotl(const APInt &rotateAmt) const;
/// @brief Rotate right by rotateAmt.
APInt rotr(const APInt &rotateAmt) const;
/// Perform an unsigned divide operation on this APInt by RHS. Both this and
/// RHS are treated as unsigned quantities for purposes of this division.
/// @returns a new APInt value containing the division result