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https://github.com/RPCSX/llvm.git
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[TableGen] Remove all the variations of RecTy::convertValue and just handle the conversions in convertInitializerTo directly. This saves a bunch of vtable entries. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238646 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
parent
60dbe0fd0d
commit
17246b12cf
@ -100,25 +100,6 @@ public:
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/// getListTy - Returns the type representing list<this>.
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ListRecTy *getListTy();
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public: // These methods should only be called from subclasses of Init
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virtual Init *convertValue( UnsetInit *UI) { return nullptr; }
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virtual Init *convertValue( BitInit *BI) { return nullptr; }
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virtual Init *convertValue( BitsInit *BI) { return nullptr; }
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virtual Init *convertValue( IntInit *II) { return nullptr; }
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virtual Init *convertValue(StringInit *SI) { return nullptr; }
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virtual Init *convertValue( ListInit *LI) { return nullptr; }
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virtual Init *convertValue(VarBitInit *VB) { return nullptr; }
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virtual Init *convertValue( DefInit *DI) { return nullptr; }
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virtual Init *convertValue( DagInit *DI) { return nullptr; }
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virtual Init *convertValue( TypedInit *TI) { return nullptr; }
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virtual Init *convertValue( VarInit *VI) {
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return convertValue((TypedInit*)VI);
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}
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virtual Init *convertValue( FieldInit *FI) {
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return convertValue((TypedInit*)FI);
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}
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public:
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virtual bool baseClassOf(const RecTy*) const;
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};
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@ -140,14 +121,6 @@ public:
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static BitRecTy *get() { return &Shared; }
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using RecTy::convertValue;
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Init *convertValue( UnsetInit *UI) override { return (Init*)UI; }
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Init *convertValue( BitInit *BI) override { return (Init*)BI; }
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Init *convertValue( BitsInit *BI) override;
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Init *convertValue( IntInit *II) override;
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Init *convertValue(VarBitInit *VB) override { return (Init*)VB; }
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Init *convertValue( TypedInit *TI) override;
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std::string getAsString() const override { return "bit"; }
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bool typeIsConvertibleTo(const RecTy *RHS) const override {
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@ -171,13 +144,6 @@ public:
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unsigned getNumBits() const { return Size; }
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using RecTy::convertValue;
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Init *convertValue( UnsetInit *UI) override;
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Init *convertValue( BitInit *UI) override;
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Init *convertValue( BitsInit *BI) override;
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Init *convertValue( IntInit *II) override;
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Init *convertValue( TypedInit *TI) override;
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std::string getAsString() const override;
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bool typeIsConvertibleTo(const RecTy *RHS) const override {
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@ -199,13 +165,6 @@ public:
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static IntRecTy *get() { return &Shared; }
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using RecTy::convertValue;
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Init *convertValue( UnsetInit *UI) override { return (Init*)UI; }
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Init *convertValue( BitInit *BI) override;
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Init *convertValue( BitsInit *BI) override;
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Init *convertValue( IntInit *II) override { return (Init*)II; }
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Init *convertValue( TypedInit *TI) override;
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std::string getAsString() const override { return "int"; }
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bool typeIsConvertibleTo(const RecTy *RHS) const override {
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@ -221,6 +180,7 @@ class StringRecTy : public RecTy {
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static StringRecTy Shared;
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StringRecTy() : RecTy(StringRecTyKind) {}
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void anchor() override;
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public:
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static bool classof(const RecTy *RT) {
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return RT->getRecTyKind() == StringRecTyKind;
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@ -228,11 +188,6 @@ public:
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static StringRecTy *get() { return &Shared; }
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using RecTy::convertValue;
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Init *convertValue( UnsetInit *UI) override { return (Init*)UI; }
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Init *convertValue(StringInit *SI) override { return (Init*)SI; }
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Init *convertValue( TypedInit *TI) override;
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std::string getAsString() const override { return "string"; }
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bool typeIsConvertibleTo(const RecTy *RHS) const override {
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@ -256,11 +211,6 @@ public:
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static ListRecTy *get(RecTy *T) { return T->getListTy(); }
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RecTy *getElementType() const { return Ty; }
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using RecTy::convertValue;
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Init *convertValue( UnsetInit *UI) override { return (Init*)UI; }
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Init *convertValue( ListInit *LI) override;
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Init *convertValue( TypedInit *TI) override;
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std::string getAsString() const override;
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bool typeIsConvertibleTo(const RecTy *RHS) const override {
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@ -276,6 +226,7 @@ class DagRecTy : public RecTy {
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static DagRecTy Shared;
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DagRecTy() : RecTy(DagRecTyKind) {}
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void anchor() override;
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public:
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static bool classof(const RecTy *RT) {
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return RT->getRecTyKind() == DagRecTyKind;
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@ -283,11 +234,6 @@ public:
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static DagRecTy *get() { return &Shared; }
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using RecTy::convertValue;
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Init *convertValue( UnsetInit *UI) override { return (Init*)UI; }
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Init *convertValue( DagInit *DI) override { return (Init*)DI; }
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Init *convertValue( TypedInit *TI) override;
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std::string getAsString() const override { return "dag"; }
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bool typeIsConvertibleTo(const RecTy *RHS) const override {
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@ -312,11 +258,6 @@ public:
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Record *getRecord() const { return Rec; }
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using RecTy::convertValue;
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Init *convertValue( UnsetInit *UI) override { return (Init*)UI; }
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Init *convertValue( DefInit *DI) override;
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Init *convertValue( TypedInit *TI) override;
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std::string getAsString() const override;
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bool typeIsConvertibleTo(const RecTy *RHS) const override {
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@ -405,10 +346,8 @@ public:
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/// invokes print on stderr.
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void dump() const;
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/// convertInitializerTo - This virtual function is a simple call-back
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/// function that should be overridden to call the appropriate
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/// RecTy::convertValue method.
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///
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/// convertInitializerTo - This virtual function converts to the appropriate
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/// Init based on the passed in type.
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virtual Init *convertInitializerTo(RecTy *Ty) const = 0;
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/// convertInitializerBitRange - This method is used to implement the bitrange
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@ -498,6 +437,8 @@ public:
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}
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RecTy *getType() const { return Ty; }
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Init *convertInitializerTo(RecTy *Ty) const override;
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Init *
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convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
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Init *
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@ -522,7 +463,6 @@ class UnsetInit : public Init {
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UnsetInit() : Init(IK_UnsetInit) {}
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UnsetInit(const UnsetInit &) = delete;
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UnsetInit &operator=(const UnsetInit &Other) = delete;
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void anchor() override;
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public:
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static bool classof(const Init *I) {
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@ -530,9 +470,7 @@ public:
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}
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static UnsetInit *get();
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<UnsetInit *>(this));
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}
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Init *convertInitializerTo(RecTy *Ty) const override;
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Init *getBit(unsigned Bit) const override {
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return const_cast<UnsetInit*>(this);
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@ -550,7 +488,6 @@ class BitInit : public Init {
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explicit BitInit(bool V) : Init(IK_BitInit), Value(V) {}
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BitInit(const BitInit &Other) = delete;
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BitInit &operator=(BitInit &Other) = delete;
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void anchor() override;
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public:
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static bool classof(const Init *I) {
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@ -560,9 +497,7 @@ public:
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bool getValue() const { return Value; }
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<BitInit *>(this));
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}
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Init *convertInitializerTo(RecTy *Ty) const override;
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Init *getBit(unsigned Bit) const override {
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assert(Bit < 1 && "Bit index out of range!");
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@ -595,9 +530,7 @@ public:
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unsigned getNumBits() const { return Bits.size(); }
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<BitsInit *>(this));
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}
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Init *convertInitializerTo(RecTy *Ty) const override;
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Init *
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convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
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@ -648,9 +581,7 @@ public:
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int64_t getValue() const { return Value; }
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<IntInit *>(this));
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}
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Init *convertInitializerTo(RecTy *Ty) const override;
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Init *
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convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
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@ -679,7 +610,6 @@ class StringInit : public TypedInit {
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StringInit(const StringInit &Other) = delete;
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StringInit &operator=(const StringInit &Other) = delete;
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void anchor() override;
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public:
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static bool classof(const Init *I) {
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@ -689,9 +619,7 @@ public:
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const std::string &getValue() const { return Value; }
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<StringInit *>(this));
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}
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Init *convertInitializerTo(RecTy *Ty) const override;
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std::string getAsString() const override { return "\"" + Value + "\""; }
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std::string getAsUnquotedString() const override { return Value; }
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@ -744,9 +672,7 @@ public:
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Init *
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convertInitListSlice(const std::vector<unsigned> &Elements) const override;
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<ListInit *>(this));
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}
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Init *convertInitializerTo(RecTy *Ty) const override;
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/// resolveReferences - This method is used by classes that refer to other
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/// variables which may not be defined at the time they expression is formed.
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@ -799,10 +725,6 @@ public:
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// possible to fold.
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virtual Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const = 0;
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<OpInit *>(this));
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}
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Init *resolveListElementReference(Record &R, const RecordVal *RV,
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unsigned Elt) const override;
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@ -991,10 +913,6 @@ public:
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static VarInit *get(const std::string &VN, RecTy *T);
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static VarInit *get(Init *VN, RecTy *T);
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<VarInit *>(this));
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}
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const std::string &getName() const;
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Init *getNameInit() const { return VarName; }
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std::string getNameInitAsString() const {
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@ -1043,9 +961,7 @@ public:
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}
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static VarBitInit *get(TypedInit *T, unsigned B);
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<VarBitInit *>(this));
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}
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Init *convertInitializerTo(RecTy *Ty) const override;
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Init *getBitVar() const override { return TI; }
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unsigned getBitNum() const override { return Bit; }
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@ -1082,10 +998,6 @@ public:
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}
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static VarListElementInit *get(TypedInit *T, unsigned E);
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<VarListElementInit *>(this));
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}
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TypedInit *getVariable() const { return TI; }
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unsigned getElementNum() const { return Element; }
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@ -1118,9 +1030,7 @@ public:
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}
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static DefInit *get(Record*);
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<DefInit *>(this));
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}
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Init *convertInitializerTo(RecTy *Ty) const override;
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Record *getDef() const { return Def; }
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@ -1166,10 +1076,6 @@ public:
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static FieldInit *get(Init *R, const std::string &FN);
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static FieldInit *get(Init *R, const Init *FN);
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<FieldInit *>(this));
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}
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Init *getBit(unsigned Bit) const override;
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Init *resolveListElementReference(Record &R, const RecordVal *RV,
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@ -1215,9 +1121,7 @@ public:
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void Profile(FoldingSetNodeID &ID) const;
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Init *convertInitializerTo(RecTy *Ty) const override {
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return Ty->convertValue(const_cast<DagInit *>(this));
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}
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Init *convertInitializerTo(RecTy *Ty) const override;
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Init *getOperator() const { return Val; }
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@ -89,6 +89,9 @@ DagRecTy DagRecTy::Shared;
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void RecTy::anchor() { }
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void RecTy::dump() const { print(errs()); }
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void StringRecTy::anchor() { }
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void DagRecTy::anchor() { }
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ListRecTy *RecTy::getListTy() {
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if (!ListTy)
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ListTy.reset(new ListRecTy(this));
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@ -100,38 +103,6 @@ bool RecTy::baseClassOf(const RecTy *RHS) const {
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return Kind == RHS->getRecTyKind();
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}
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Init *BitRecTy::convertValue(BitsInit *BI) {
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if (BI->getNumBits() != 1) return nullptr; // Only accept if just one bit!
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return BI->getBit(0);
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}
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Init *BitRecTy::convertValue(IntInit *II) {
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int64_t Val = II->getValue();
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if (Val != 0 && Val != 1) return nullptr; // Only accept 0 or 1 for a bit!
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return BitInit::get(Val != 0);
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}
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Init *BitRecTy::convertValue(TypedInit *TI) {
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RecTy *Ty = TI->getType();
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if (isa<BitRecTy>(Ty))
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return TI; // Accept variable if it is already of bit type!
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if (auto *BitsTy = dyn_cast<BitsRecTy>(Ty))
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// Accept only bits<1> expression.
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return BitsTy->getNumBits() == 1 ? TI : nullptr;
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// Ternary !if can be converted to bit, but only if both sides are
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// convertible to a bit.
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if (TernOpInit *TOI = dyn_cast<TernOpInit>(TI)) {
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if (TOI->getOpcode() != TernOpInit::TernaryOp::IF)
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return nullptr;
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if (!TOI->getMHS()->convertInitializerTo(BitRecTy::get()) ||
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!TOI->getRHS()->convertInitializerTo(BitRecTy::get()))
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return nullptr;
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return TOI;
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}
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return nullptr;
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}
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bool BitRecTy::baseClassOf(const RecTy *RHS) const{
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if(RecTy::baseClassOf(RHS) || RHS->getRecTyKind() == IntRecTyKind)
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return true;
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@ -154,67 +125,6 @@ std::string BitsRecTy::getAsString() const {
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return "bits<" + utostr(Size) + ">";
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}
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Init *BitsRecTy::convertValue(UnsetInit *UI) {
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SmallVector<Init *, 16> NewBits(Size);
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for (unsigned i = 0; i != Size; ++i)
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NewBits[i] = UnsetInit::get();
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return BitsInit::get(NewBits);
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}
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Init *BitsRecTy::convertValue(BitInit *BI) {
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if (Size != 1) return nullptr; // Can only convert single bit.
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return BitsInit::get(BI);
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}
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/// canFitInBitfield - Return true if the number of bits is large enough to hold
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/// the integer value.
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static bool canFitInBitfield(int64_t Value, unsigned NumBits) {
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// For example, with NumBits == 4, we permit Values from [-7 .. 15].
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return (NumBits >= sizeof(Value) * 8) ||
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(Value >> NumBits == 0) || (Value >> (NumBits-1) == -1);
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}
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/// convertValue from Int initializer to bits type: Split the integer up into the
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/// appropriate bits.
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///
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Init *BitsRecTy::convertValue(IntInit *II) {
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int64_t Value = II->getValue();
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// Make sure this bitfield is large enough to hold the integer value.
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if (!canFitInBitfield(Value, Size))
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return nullptr;
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SmallVector<Init *, 16> NewBits(Size);
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for (unsigned i = 0; i != Size; ++i)
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NewBits[i] = BitInit::get(Value & (1LL << i));
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return BitsInit::get(NewBits);
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}
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Init *BitsRecTy::convertValue(BitsInit *BI) {
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// If the number of bits is right, return it. Otherwise we need to expand or
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// truncate.
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if (BI->getNumBits() == Size) return BI;
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return nullptr;
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}
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Init *BitsRecTy::convertValue(TypedInit *TI) {
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if (Size == 1 && isa<BitRecTy>(TI->getType()))
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return BitsInit::get(TI);
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if (TI->getType()->typeIsConvertibleTo(this)) {
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SmallVector<Init *, 16> NewBits(Size);
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for (unsigned i = 0; i != Size; ++i)
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NewBits[i] = VarBitInit::get(TI, i);
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return BitsInit::get(NewBits);
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}
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return nullptr;
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}
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bool BitsRecTy::baseClassOf(const RecTy *RHS) const{
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if (RecTy::baseClassOf(RHS)) //argument and the receiver are the same type
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return cast<BitsRecTy>(RHS)->Size == Size;
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@ -222,79 +132,22 @@ bool BitsRecTy::baseClassOf(const RecTy *RHS) const{
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return (kind == BitRecTyKind && Size == 1) || (kind == IntRecTyKind);
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}
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Init *IntRecTy::convertValue(BitInit *BI) {
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return IntInit::get(BI->getValue());
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}
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Init *IntRecTy::convertValue(BitsInit *BI) {
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int64_t Result = 0;
|
||||
for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i)
|
||||
if (BitInit *Bit = dyn_cast<BitInit>(BI->getBit(i)))
|
||||
Result |= static_cast<int64_t>(Bit->getValue()) << i;
|
||||
else
|
||||
return nullptr;
|
||||
return IntInit::get(Result);
|
||||
}
|
||||
|
||||
Init *IntRecTy::convertValue(TypedInit *TI) {
|
||||
if (TI->getType()->typeIsConvertibleTo(this))
|
||||
return TI; // Accept variable if already of the right type!
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
bool IntRecTy::baseClassOf(const RecTy *RHS) const{
|
||||
RecTyKind kind = RHS->getRecTyKind();
|
||||
return kind==BitRecTyKind || kind==BitsRecTyKind || kind==IntRecTyKind;
|
||||
}
|
||||
|
||||
|
||||
Init *StringRecTy::convertValue(TypedInit *TI) {
|
||||
if (isa<StringRecTy>(TI->getType()))
|
||||
return TI; // Accept variable if already of the right type!
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
std::string ListRecTy::getAsString() const {
|
||||
return "list<" + Ty->getAsString() + ">";
|
||||
}
|
||||
|
||||
Init *ListRecTy::convertValue(ListInit *LI) {
|
||||
std::vector<Init*> Elements;
|
||||
|
||||
// Verify that all of the elements of the list are subclasses of the
|
||||
// appropriate class!
|
||||
for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
|
||||
if (Init *CI = LI->getElement(i)->convertInitializerTo(Ty))
|
||||
Elements.push_back(CI);
|
||||
else
|
||||
return nullptr;
|
||||
|
||||
if (!isa<ListRecTy>(LI->getType()))
|
||||
return nullptr;
|
||||
|
||||
return ListInit::get(Elements, this);
|
||||
}
|
||||
|
||||
Init *ListRecTy::convertValue(TypedInit *TI) {
|
||||
// Ensure that TI is compatible with our class.
|
||||
if (ListRecTy *LRT = dyn_cast<ListRecTy>(TI->getType()))
|
||||
if (LRT->getElementType()->typeIsConvertibleTo(getElementType()))
|
||||
return TI;
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
bool ListRecTy::baseClassOf(const RecTy *RHS) const{
|
||||
if(const ListRecTy* ListTy = dyn_cast<ListRecTy>(RHS))
|
||||
return ListTy->getElementType()->typeIsConvertibleTo(Ty);
|
||||
return false;
|
||||
}
|
||||
|
||||
Init *DagRecTy::convertValue(TypedInit *TI) {
|
||||
if (TI->getType()->typeIsConvertibleTo(this))
|
||||
return TI;
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
RecordRecTy *RecordRecTy::get(Record *R) {
|
||||
return dyn_cast<RecordRecTy>(R->getDefInit()->getType());
|
||||
}
|
||||
@ -303,22 +156,6 @@ std::string RecordRecTy::getAsString() const {
|
||||
return Rec->getName();
|
||||
}
|
||||
|
||||
Init *RecordRecTy::convertValue(DefInit *DI) {
|
||||
// Ensure that DI is a subclass of Rec.
|
||||
if (!DI->getDef()->isSubClassOf(Rec))
|
||||
return nullptr;
|
||||
return DI;
|
||||
}
|
||||
|
||||
Init *RecordRecTy::convertValue(TypedInit *TI) {
|
||||
// Ensure that TI is compatible with Rec.
|
||||
if (RecordRecTy *RRT = dyn_cast<RecordRecTy>(TI->getType()))
|
||||
if (RRT->getRecord()->isSubClassOf(getRecord()) ||
|
||||
RRT->getRecord() == getRecord())
|
||||
return TI;
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
bool RecordRecTy::baseClassOf(const RecTy *RHS) const{
|
||||
const RecordRecTy *RTy = dyn_cast<RecordRecTy>(RHS);
|
||||
if (!RTy)
|
||||
@ -374,14 +211,24 @@ RecTy *llvm::resolveTypes(RecTy *T1, RecTy *T2) {
|
||||
void Init::anchor() { }
|
||||
void Init::dump() const { return print(errs()); }
|
||||
|
||||
void UnsetInit::anchor() { }
|
||||
|
||||
UnsetInit *UnsetInit::get() {
|
||||
static UnsetInit TheInit;
|
||||
return &TheInit;
|
||||
}
|
||||
|
||||
void BitInit::anchor() { }
|
||||
Init *UnsetInit::convertInitializerTo(RecTy *Ty) const {
|
||||
if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) {
|
||||
SmallVector<Init *, 16> NewBits(BRT->getNumBits());
|
||||
|
||||
for (unsigned i = 0; i != BRT->getNumBits(); ++i)
|
||||
NewBits[i] = UnsetInit::get();
|
||||
|
||||
return BitsInit::get(NewBits);
|
||||
}
|
||||
|
||||
// All other types can just be returned.
|
||||
return const_cast<UnsetInit *>(this);
|
||||
}
|
||||
|
||||
BitInit *BitInit::get(bool V) {
|
||||
static BitInit True(true);
|
||||
@ -390,6 +237,22 @@ BitInit *BitInit::get(bool V) {
|
||||
return V ? &True : &False;
|
||||
}
|
||||
|
||||
Init *BitInit::convertInitializerTo(RecTy *Ty) const {
|
||||
if (isa<BitRecTy>(Ty))
|
||||
return const_cast<BitInit *>(this);
|
||||
|
||||
if (isa<IntRecTy>(Ty))
|
||||
return IntInit::get(getValue());
|
||||
|
||||
if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) {
|
||||
// Can only convert single bit.
|
||||
if (BRT->getNumBits() == 1)
|
||||
return BitsInit::get(const_cast<BitInit *>(this));
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
static void
|
||||
ProfileBitsInit(FoldingSetNodeID &ID, ArrayRef<Init *> Range) {
|
||||
ID.AddInteger(Range.size());
|
||||
@ -419,6 +282,32 @@ void BitsInit::Profile(FoldingSetNodeID &ID) const {
|
||||
ProfileBitsInit(ID, Bits);
|
||||
}
|
||||
|
||||
Init *BitsInit::convertInitializerTo(RecTy *Ty) const {
|
||||
if (isa<BitRecTy>(Ty)) {
|
||||
if (getNumBits() != 1) return nullptr; // Only accept if just one bit!
|
||||
return getBit(0);
|
||||
}
|
||||
|
||||
if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) {
|
||||
// If the number of bits is right, return it. Otherwise we need to expand
|
||||
// or truncate.
|
||||
if (getNumBits() != BRT->getNumBits()) return nullptr;
|
||||
return const_cast<BitsInit *>(this);
|
||||
}
|
||||
|
||||
if (isa<IntRecTy>(Ty)) {
|
||||
int64_t Result = 0;
|
||||
for (unsigned i = 0, e = getNumBits(); i != e; ++i)
|
||||
if (auto *Bit = dyn_cast<BitInit>(getBit(i)))
|
||||
Result |= static_cast<int64_t>(Bit->getValue()) << i;
|
||||
else
|
||||
return nullptr;
|
||||
return IntInit::get(Result);
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
Init *
|
||||
BitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
|
||||
SmallVector<Init *, 16> NewBits(Bits.size());
|
||||
@ -512,6 +401,40 @@ std::string IntInit::getAsString() const {
|
||||
return itostr(Value);
|
||||
}
|
||||
|
||||
/// canFitInBitfield - Return true if the number of bits is large enough to hold
|
||||
/// the integer value.
|
||||
static bool canFitInBitfield(int64_t Value, unsigned NumBits) {
|
||||
// For example, with NumBits == 4, we permit Values from [-7 .. 15].
|
||||
return (NumBits >= sizeof(Value) * 8) ||
|
||||
(Value >> NumBits == 0) || (Value >> (NumBits-1) == -1);
|
||||
}
|
||||
|
||||
Init *IntInit::convertInitializerTo(RecTy *Ty) const {
|
||||
if (isa<IntRecTy>(Ty))
|
||||
return const_cast<IntInit *>(this);
|
||||
|
||||
if (isa<BitRecTy>(Ty)) {
|
||||
int64_t Val = getValue();
|
||||
if (Val != 0 && Val != 1) return nullptr; // Only accept 0 or 1 for a bit!
|
||||
return BitInit::get(Val != 0);
|
||||
}
|
||||
|
||||
if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) {
|
||||
int64_t Value = getValue();
|
||||
// Make sure this bitfield is large enough to hold the integer value.
|
||||
if (!canFitInBitfield(Value, BRT->getNumBits()))
|
||||
return nullptr;
|
||||
|
||||
SmallVector<Init *, 16> NewBits(BRT->getNumBits());
|
||||
for (unsigned i = 0; i != BRT->getNumBits(); ++i)
|
||||
NewBits[i] = BitInit::get(Value & (1LL << i));
|
||||
|
||||
return BitsInit::get(NewBits);
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
Init *
|
||||
IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
|
||||
SmallVector<Init *, 16> NewBits(Bits.size());
|
||||
@ -525,8 +448,6 @@ IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
|
||||
return BitsInit::get(NewBits);
|
||||
}
|
||||
|
||||
void StringInit::anchor() { }
|
||||
|
||||
StringInit *StringInit::get(StringRef V) {
|
||||
static StringMap<std::unique_ptr<StringInit>> ThePool;
|
||||
|
||||
@ -535,6 +456,13 @@ StringInit *StringInit::get(StringRef V) {
|
||||
return I.get();
|
||||
}
|
||||
|
||||
Init *StringInit::convertInitializerTo(RecTy *Ty) const {
|
||||
if (isa<StringRecTy>(Ty))
|
||||
return const_cast<StringInit *>(this);
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
static void ProfileListInit(FoldingSetNodeID &ID,
|
||||
ArrayRef<Init *> Range,
|
||||
RecTy *EltTy) {
|
||||
@ -568,6 +496,25 @@ void ListInit::Profile(FoldingSetNodeID &ID) const {
|
||||
ProfileListInit(ID, Values, EltTy);
|
||||
}
|
||||
|
||||
Init *ListInit::convertInitializerTo(RecTy *Ty) const {
|
||||
if (auto *LRT = dyn_cast<ListRecTy>(Ty)) {
|
||||
std::vector<Init*> Elements;
|
||||
|
||||
// Verify that all of the elements of the list are subclasses of the
|
||||
// appropriate class!
|
||||
for (unsigned i = 0, e = getSize(); i != e; ++i)
|
||||
if (Init *CI = getElement(i)->convertInitializerTo(LRT->getElementType()))
|
||||
Elements.push_back(CI);
|
||||
else
|
||||
return nullptr;
|
||||
|
||||
if (isa<ListRecTy>(getType()))
|
||||
return ListInit::get(Elements, Ty);
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
Init *
|
||||
ListInit::convertInitListSlice(const std::vector<unsigned> &Elements) const {
|
||||
std::vector<Init*> Vals;
|
||||
@ -1147,6 +1094,82 @@ RecTy *TypedInit::getFieldType(const std::string &FieldName) const {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
Init *
|
||||
TypedInit::convertInitializerTo(RecTy *Ty) const {
|
||||
if (isa<IntRecTy>(Ty)) {
|
||||
if (getType()->typeIsConvertibleTo(Ty))
|
||||
return const_cast<TypedInit *>(this);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
if (isa<StringRecTy>(Ty)) {
|
||||
if (isa<StringRecTy>(getType()))
|
||||
return const_cast<TypedInit *>(this);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
if (isa<BitRecTy>(Ty)) {
|
||||
// Accept variable if it is already of bit type!
|
||||
if (isa<BitRecTy>(getType()))
|
||||
return const_cast<TypedInit *>(this);
|
||||
if (auto *BitsTy = dyn_cast<BitsRecTy>(getType())) {
|
||||
// Accept only bits<1> expression.
|
||||
if (BitsTy->getNumBits() == 1)
|
||||
return const_cast<TypedInit *>(this);
|
||||
return nullptr;
|
||||
}
|
||||
// Ternary !if can be converted to bit, but only if both sides are
|
||||
// convertible to a bit.
|
||||
if (const auto *TOI = dyn_cast<TernOpInit>(this)) {
|
||||
if (TOI->getOpcode() == TernOpInit::TernaryOp::IF &&
|
||||
TOI->getMHS()->convertInitializerTo(BitRecTy::get()) &&
|
||||
TOI->getRHS()->convertInitializerTo(BitRecTy::get()))
|
||||
return const_cast<TypedInit *>(this);
|
||||
return nullptr;
|
||||
}
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) {
|
||||
if (BRT->getNumBits() == 1 && isa<BitRecTy>(getType()))
|
||||
return BitsInit::get(const_cast<TypedInit *>(this));
|
||||
|
||||
if (getType()->typeIsConvertibleTo(BRT)) {
|
||||
SmallVector<Init *, 16> NewBits(BRT->getNumBits());
|
||||
|
||||
for (unsigned i = 0; i != BRT->getNumBits(); ++i)
|
||||
NewBits[i] = VarBitInit::get(const_cast<TypedInit *>(this), i);
|
||||
return BitsInit::get(NewBits);
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
if (auto *DLRT = dyn_cast<ListRecTy>(Ty)) {
|
||||
if (auto *SLRT = dyn_cast<ListRecTy>(getType()))
|
||||
if (SLRT->getElementType()->typeIsConvertibleTo(DLRT->getElementType()))
|
||||
return const_cast<TypedInit *>(this);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
if (auto *DRT = dyn_cast<DagRecTy>(Ty)) {
|
||||
if (getType()->typeIsConvertibleTo(DRT))
|
||||
return const_cast<TypedInit *>(this);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
if (auto *SRRT = dyn_cast<RecordRecTy>(Ty)) {
|
||||
// Ensure that this is compatible with Rec.
|
||||
if (RecordRecTy *DRRT = dyn_cast<RecordRecTy>(getType()))
|
||||
if (DRRT->getRecord()->isSubClassOf(SRRT->getRecord()) ||
|
||||
DRRT->getRecord() == SRRT->getRecord())
|
||||
return const_cast<TypedInit *>(this);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
Init *
|
||||
TypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
|
||||
BitsRecTy *T = dyn_cast<BitsRecTy>(getType());
|
||||
@ -1276,6 +1299,13 @@ VarBitInit *VarBitInit::get(TypedInit *T, unsigned B) {
|
||||
return I.get();
|
||||
}
|
||||
|
||||
Init *VarBitInit::convertInitializerTo(RecTy *Ty) const {
|
||||
if (isa<BitRecTy>(Ty))
|
||||
return const_cast<VarBitInit *>(this);
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
std::string VarBitInit::getAsString() const {
|
||||
return TI->getAsString() + "{" + utostr(Bit) + "}";
|
||||
}
|
||||
@ -1337,6 +1367,13 @@ DefInit *DefInit::get(Record *R) {
|
||||
return R->getDefInit();
|
||||
}
|
||||
|
||||
Init *DefInit::convertInitializerTo(RecTy *Ty) const {
|
||||
if (auto *RRT = dyn_cast<RecordRecTy>(Ty))
|
||||
if (getDef()->isSubClassOf(RRT->getRecord()))
|
||||
return const_cast<DefInit *>(this);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
RecTy *DefInit::getFieldType(const std::string &FieldName) const {
|
||||
if (const RecordVal *RV = Def->getValue(FieldName))
|
||||
return RV->getType();
|
||||
@ -1453,6 +1490,13 @@ void DagInit::Profile(FoldingSetNodeID &ID) const {
|
||||
ProfileDagInit(ID, Val, ValName, Args, ArgNames);
|
||||
}
|
||||
|
||||
Init *DagInit::convertInitializerTo(RecTy *Ty) const {
|
||||
if (isa<DagRecTy>(Ty))
|
||||
return const_cast<DagInit *>(this);
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
Init *DagInit::resolveReferences(Record &R, const RecordVal *RV) const {
|
||||
std::vector<Init*> NewArgs;
|
||||
for (unsigned i = 0, e = Args.size(); i != e; ++i)
|
||||
@ -1489,13 +1533,13 @@ std::string DagInit::getAsString() const {
|
||||
|
||||
RecordVal::RecordVal(Init *N, RecTy *T, unsigned P)
|
||||
: Name(N), Ty(T), Prefix(P) {
|
||||
Value = Ty->convertValue(UnsetInit::get());
|
||||
Value = UnsetInit::get()->convertInitializerTo(Ty);
|
||||
assert(Value && "Cannot create unset value for current type!");
|
||||
}
|
||||
|
||||
RecordVal::RecordVal(const std::string &N, RecTy *T, unsigned P)
|
||||
: Name(StringInit::get(N)), Ty(T), Prefix(P) {
|
||||
Value = Ty->convertValue(UnsetInit::get());
|
||||
Value = UnsetInit::get()->convertInitializerTo(Ty);
|
||||
assert(Value && "Cannot create unset value for current type!");
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user