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Handle buffer references vs 'const'

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Allow constructors to and from references to be constant folded. Section 4.3.3
says constructors whose arguments are all constant expressions must fold.

Disallow 'const' on buffer reference types. It is not a 'non-void transparent
basic data type' (it is not considered 'basic').

Handle buffer reference constants (which can be assigned to a non-const reference,
or can be further folded to another type of constant) by converting to
'constructor(uint64_t constant)' in addConversion.

Disallow == and != operators on reference types.
This commit is contained in:
Jeff Bolz 2019-02-18 00:11:05 -06:00
parent d90d548161
commit be63facd80
13 changed files with 1271 additions and 1099 deletions
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5
glslang/MachineIndependent/localintermediate.h Executable file → Normal file
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@ -495,12 +495,13 @@ public:
TIntermSymbol* addSymbol(const TVariable&, const TSourceLoc&);
TIntermSymbol* addSymbol(const TType&, const TSourceLoc&);
TIntermSymbol* addSymbol(const TIntermSymbol&);
TIntermTyped* addConversion(TOperator, const TType&, TIntermTyped*) const;
std::tuple<TIntermTyped*, TIntermTyped*> addConversion(TOperator op, TIntermTyped* node0, TIntermTyped* node1) const;
TIntermTyped* addConversion(TOperator, const TType&, TIntermTyped*);
std::tuple<TIntermTyped*, TIntermTyped*> addConversion(TOperator op, TIntermTyped* node0, TIntermTyped* node1);
TIntermTyped* addUniShapeConversion(TOperator, const TType&, TIntermTyped*);
TIntermTyped* addConversion(TBasicType convertTo, TIntermTyped* node) const;
void addBiShapeConversion(TOperator, TIntermTyped*& lhsNode, TIntermTyped*& rhsNode);
TIntermTyped* addShapeConversion(const TType&, TIntermTyped*);
TIntermTyped* addConstantReferenceConversion(TIntermTyped* node);
TIntermTyped* addBinaryMath(TOperator, TIntermTyped* left, TIntermTyped* right, TSourceLoc);
TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc);
TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, TSourceLoc);