mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-03 13:31:05 +00:00
Factor code out of APInt to form a isUIntN helper function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118133 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
9372fd3c92
commit
5005e27f97
@ -348,7 +348,7 @@ public:
|
||||
return true;
|
||||
|
||||
if (isSingleWord())
|
||||
return VAL == (VAL & (~0ULL >> (64 - N)));
|
||||
return isUIntN(N, VAL);
|
||||
APInt Tmp(N, getNumWords(), pVal);
|
||||
Tmp.zext(getBitWidth());
|
||||
return Tmp == (*this);
|
||||
|
@ -71,6 +71,12 @@ inline bool isUInt<32>(uint64_t x) {
|
||||
return static_cast<uint32_t>(x) == x;
|
||||
}
|
||||
|
||||
/// isUIntN - Checks if an unsigned integer fits into the given (dynamic)
|
||||
/// bit width.
|
||||
inline bool isUIntN(unsigned N, uint64_t x) {
|
||||
return x == (x & (~0ULL >> (64 - N)));
|
||||
}
|
||||
|
||||
/// isMask_32 - This function returns true if the argument is a sequence of ones
|
||||
/// starting at the least significant bit with the remainder zero (32 bit
|
||||
/// version). Ex. isMask_32(0x0000FFFFU) == true.
|
||||
|
Loading…
Reference in New Issue
Block a user