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Merge pull request #13056 from xwu/much-of-a-muchness

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[stdlib/Sema/AST] Adopt a commonly used implementation for combining hashes
This commit is contained in:
Karoy Lorentey
2017-12-21 18:27:56 +01:00
committed by GitHub
parent 7d9a885d8e 30d5e344b1
commit f481530a92
4 changed files with 51 additions and 41 deletions
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14
lib/AST/ASTContext.cpp
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@@ -194,8 +194,8 @@ FOR_KNOWN_FOUNDATION_TYPES(CACHE_FOUNDATION_DECL)
/// func ==(Int, Int) -> Bool
FuncDecl *EqualIntDecl = nullptr;
/// func _mixForSynthesizedHashValue(Int, Int) -> Int
FuncDecl *MixForSynthesizedHashValueDecl = nullptr;
/// func _combineHashValues(Int, Int) -> Int
FuncDecl *CombineHashValuesDecl = nullptr;
/// func _mixInt(Int) -> Int
FuncDecl *MixIntDecl = nullptr;
@@ -1048,9 +1048,9 @@ FuncDecl *ASTContext::getGetBoolDecl(LazyResolver *resolver) const {
return decl;
}
FuncDecl *ASTContext::getMixForSynthesizedHashValueDecl() const {
if (Impl.MixForSynthesizedHashValueDecl)
return Impl.MixForSynthesizedHashValueDecl;
FuncDecl *ASTContext::getCombineHashValuesDecl() const {
if (Impl.CombineHashValuesDecl)
return Impl.CombineHashValuesDecl;
auto resolver = getLazyResolver();
auto intType = getIntDecl()->getDeclaredType();
@@ -1066,8 +1066,8 @@ FuncDecl *ASTContext::getMixForSynthesizedHashValueDecl() const {
};
auto decl = lookupLibraryIntrinsicFunc(
*this, "_mixForSynthesizedHashValue", resolver, callback);
Impl.MixForSynthesizedHashValueDecl = decl;
*this, "_combineHashValues", resolver, callback);
Impl.CombineHashValuesDecl = decl;
return decl;
}