================
@@ -4965,6 +4965,12 @@ static constexpr KnownFPClass::MinMaxKind
getMinMaxKind(Intrinsic::ID IID) {
}
}
+/// \return true if this is a floating point value that is known to have a
+/// magintude smaller than 1. i.e., fabs(X) <=1.0
+static bool isAbsoluteValueLessEqualOne(const Value *V) {
+ return match(V, m_Intrinsic<Intrinsic::amdgcn_trig_preop>(m_Value()));
----------------
jayfoad wrote:
`frexp` is another case that might be more generally useful.
https://github.com/llvm/llvm-project/pull/183373
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