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[NFC][LLVMContext] Clean up DenseMapInfo classes used for APInt & APFloat.

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DenseMapAPIntKeyInfo looks like a redundant definition because it
mirrors the default used by DenseMap when not specified.

Replacing DenseMapAPFloatKeyInfo with a specialisation of
DenseMapInfo allows DenseMap<T> to be more easily used when T is
an aggregate type containing an APFloat.
This commit is contained in:
Paul Walker 2023-11-30 16:50:57 +00:00
parent 8727982bdf
commit a2e8207178
1 changed files with 3 additions and 7 deletions
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10
llvm/lib/IR/LLVMContextImpl.h
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@ -73,9 +73,7 @@ class StringRef;
class TypedPointerType;
class ValueHandleBase;
using DenseMapAPIntKeyInfo = DenseMapInfo<APInt>;
struct DenseMapAPFloatKeyInfo {
template <> struct DenseMapInfo<APFloat> {
static inline APFloat getEmptyKey() { return APFloat(APFloat::Bogus(), 1); }
static inline APFloat getTombstoneKey() {
return APFloat(APFloat::Bogus(), 2);
@ -1489,11 +1487,9 @@ public:
DenseMap<unsigned, std::unique_ptr<ConstantInt>> IntZeroConstants;
DenseMap<unsigned, std::unique_ptr<ConstantInt>> IntOneConstants;
DenseMap<APInt, std::unique_ptr<ConstantInt>, DenseMapAPIntKeyInfo>
IntConstants;
DenseMap<APInt, std::unique_ptr<ConstantInt>> IntConstants;
DenseMap<APFloat, std::unique_ptr<ConstantFP>, DenseMapAPFloatKeyInfo>
FPConstants;
DenseMap<APFloat, std::unique_ptr<ConstantFP>> FPConstants;
FoldingSet<AttributeImpl> AttrsSet;
FoldingSet<AttributeListImpl> AttrsLists;