diff options
Diffstat (limited to 'llvm/lib/IR/ConstantRange.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantRange.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/IR/ConstantRange.cpp b/llvm/lib/IR/ConstantRange.cpp index 7b8dd66..d213258 100644 --- a/llvm/lib/IR/ConstantRange.cpp +++ b/llvm/lib/IR/ConstantRange.cpp @@ -413,6 +413,13 @@ bool ConstantRange::contains(const ConstantRange &Other) const { return Other.getUpper().ule(Upper) && Lower.ule(Other.getLower()); } +unsigned ConstantRange::getActiveBits() const { + if (isEmptySet()) + return 0; + + return getUnsignedMax().getActiveBits(); +} + ConstantRange ConstantRange::subtract(const APInt &Val) const { assert(Val.getBitWidth() == getBitWidth() && "Wrong bit width"); // If the set is empty or full, don't modify the endpoints. |