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[FPEnv] Use typed accessors in FPOptions

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Previously methods `FPOptions::get*` returned unsigned value even if the
corresponding property was represented by specific enumeration type. With
this change such methods return actual type of the property. It also
allows printing value of a property as text rather than integer code.

Differential Revision: https://reviews.llvm.org/D87812
This commit is contained in:
Serge Pavlov 2020-09-16 23:27:46 +07:00
parent c7c58df71f
commit 35714dfbb7
1 changed files with 18 additions and 0 deletions
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18
include/llvm/ADT/FloatingPointMode.h
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@ -44,6 +44,24 @@ enum class RoundingMode : int8_t {
Invalid = -1 ///< Denotes invalid value.
};
/// Returns text representation of the given rounding mode.
inline StringRef spell(RoundingMode RM) {
switch (RM) {
case RoundingMode::TowardZero: return "towardzero";
case RoundingMode::NearestTiesToEven: return "tonearest";
case RoundingMode::TowardPositive: return "upward";
case RoundingMode::TowardNegative: return "downward";
case RoundingMode::NearestTiesToAway: return "tonearestaway";
case RoundingMode::Dynamic: return "dynamic";
default: return "invalid";
}
}
inline raw_ostream &operator << (raw_ostream &OS, RoundingMode RM) {
OS << spell(RM);
return OS;
}
/// Represent subnormal handling kind for floating point instruction inputs and
/// outputs.
struct DenormalMode {