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shader: Add utility to resolve identities on a value
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3a59fffaa1
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@ -79,6 +79,13 @@ IR::Inst* Value::InstRecursive() const {
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return inst;
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}
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IR::Value Value::Resolve() const {
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if (IsIdentity()) {
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return inst->Arg(0).Resolve();
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}
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return *this;
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}
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IR::Reg Value::Reg() const {
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ValidateAccess(Type::Reg);
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return reg;
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@ -41,6 +41,7 @@ public:
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[[nodiscard]] IR::Inst* Inst() const;
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[[nodiscard]] IR::Block* Label() const;
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[[nodiscard]] IR::Inst* InstRecursive() const;
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[[nodiscard]] IR::Value Resolve() const;
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[[nodiscard]] IR::Reg Reg() const;
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[[nodiscard]] IR::Pred Pred() const;
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[[nodiscard]] IR::Attribute Attribute() const;
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