/// zero
inline match_neg_zero m_NegZero() { return match_neg_zero(); }
+struct match_any_zero {
+ template <typename ITy> bool match(ITy *V) {
+ if (const auto *C = dyn_cast<Constant>(V))
+ return C->isZeroValue();
+ return false;
+ }
+};
+
/// \brief - Match an arbitrary zero/null constant. This includes
/// zero_initializer for vectors and ConstantPointerNull for pointers. For
/// floating point constants, this will match negative zero and positive zero
-inline match_combine_or<match_zero, match_neg_zero> m_AnyZero() {
- return m_CombineOr(m_Zero(), m_NegZero());
-}
+inline match_any_zero m_AnyZero() { return match_any_zero(); }
struct match_nan {
template <typename ITy> bool match(ITy *V) {
}
};
-/// \brief Match an integer 1 or a vector with all elements equal to 1.
+/// \brief Match an integer or vector with all bits set to true.
inline match_all_ones m_AllOnes() { return match_all_ones(); }
struct apint_match {