6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-03 13:31:05 +00:00
Code Issues Projects Releases Wiki Activity

Add an isSignedIntN, like isIntN but for signed integer values instead of

Browse Source 
unsigned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46894 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-02-08 21:58:15 +00:00
parent 5fd79d0560
commit ec646cfd07
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
include/llvm/ADT/APInt.h
View File

@ -280,7 +280,7 @@ public:
isNegative() && countPopulation() == 1; isNegative() && countPopulation() == 1;
} }
/// @brief Check if this APInt has an N-bits integer value. /// @brief Check if this APInt has an N-bits unsigned integer value.
inline bool isIntN(uint32_t N) const { inline bool isIntN(uint32_t N) const {
assert(N && "N == 0 ???"); assert(N && "N == 0 ???");
if (isSingleWord()) { if (isSingleWord()) {
@ -291,6 +291,12 @@ public:
} }
} }
/// @brief Check if this APInt has an N-bits signed integer value.
inline bool isSignedIntN(uint32_t N) const {
assert(N && "N == 0 ???");
return getMinSignedBits() <= N;
}
/// @returns true if the argument APInt value is a power of two > 0. /// @returns true if the argument APInt value is a power of two > 0.
bool isPowerOf2() const; bool isPowerOf2() const;
@ -1221,11 +1227,16 @@ inline APInt umax(const APInt &A, const APInt &B) {
return A.ugt(B) ? A : B; return A.ugt(B) ? A : B;
} }
/// @brief Check if the specified APInt has a N-bits integer value. /// @brief Check if the specified APInt has a N-bits unsigned integer value.
inline bool isIntN(uint32_t N, const APInt& APIVal) { inline bool isIntN(uint32_t N, const APInt& APIVal) {
return APIVal.isIntN(N); return APIVal.isIntN(N);
} }
/// @brief Check if the specified APInt has a N-bits signed integer value.
inline bool isSignedIntN(uint32_t N, const APInt& APIVal) {
return APIVal.isSignedIntN(N);
}
/// @returns true if the argument APInt value is a sequence of ones /// @returns true if the argument APInt value is a sequence of ones
/// starting at the least significant bit with the remainder zero. /// starting at the least significant bit with the remainder zero.
inline bool isMask(uint32_t numBits, const APInt& APIVal) { inline bool isMask(uint32_t numBits, const APInt& APIVal) {