- bool isLittleEndian() const { return LittleEndian; }
- bool isBigEndian() const { return !LittleEndian; }
-
- /// Target alignment constraints
- unsigned char getBoolAlignment() const { return BoolAlignment; }
- unsigned char getByteAlignment() const { return ByteAlignment; }
- unsigned char getShortAlignment() const { return ShortAlignment; }
- unsigned char getIntAlignment() const { return IntAlignment; }
- unsigned char getLongAlignment() const { return LongAlignment; }
- unsigned char getFloatAlignment() const { return FloatAlignment; }
- unsigned char getDoubleAlignment() const { return DoubleAlignment; }
- unsigned char getPointerAlignment() const { return PointerAlignment; }
- unsigned char getPointerSize() const { return PointerSize; }
-
- /// getTypeSize - Return the number of bytes necessary to hold the specified
- /// type.
- uint64_t getTypeSize(const Type *Ty) const;
-
- /// getTypeAlignment - Return the minimum required alignment for the specified
- /// type.
- unsigned char getTypeAlignment(const Type *Ty) const;
-
- /// getTypeAlignmentShift - Return the minimum required alignment for the
+ bool isLittleEndian() const { return LittleEndian; }
+ bool isBigEndian() const { return !LittleEndian; }
+
+ /// getStringRepresentation - Return the string representation of the
+ /// TargetData. This representation is in the same format accepted by the
+ /// string constructor above.
+ std::string getStringRepresentation() const;
+
+ /// isLegalInteger - This function returns true if the specified type is
+ /// known tobe a native integer type supported by the CPU. For example,
+ /// i64 is not native on most 32-bit CPUs and i37 is not native on any known
+ /// one. This returns false if the integer width is not legal.
+ ///
+ /// The width is specified in bits.
+ ///
+ bool isLegalInteger(unsigned Width) const {
+ for (unsigned i = 0, e = (unsigned)LegalIntWidths.size(); i != e; ++i)
+ if (LegalIntWidths[i] == Width)
+ return true;
+ return false;
+ }
+
+ bool isIllegalInteger(unsigned Width) const {
+ return !isLegalInteger(Width);
+ }
+
+ /// Target pointer alignment
+ unsigned getPointerABIAlignment() const { return PointerABIAlign; }
+ /// Return target's alignment for stack-based pointers
+ unsigned getPointerPrefAlignment() const { return PointerPrefAlign; }
+ /// Target pointer size
+ unsigned getPointerSize() const { return PointerMemSize; }
+ /// Target pointer size, in bits
+ unsigned getPointerSizeInBits() const { return 8*PointerMemSize; }
+
+ /// Size examples:
+ ///
+ /// Type SizeInBits StoreSizeInBits AllocSizeInBits[*]
+ /// ---- ---------- --------------- ---------------
+ /// i1 1 8 8
+ /// i8 8 8 8
+ /// i19 19 24 32
+ /// i32 32 32 32
+ /// i100 100 104 128
+ /// i128 128 128 128
+ /// Float 32 32 32
+ /// Double 64 64 64
+ /// X86_FP80 80 80 96
+ ///
+ /// [*] The alloc size depends on the alignment, and thus on the target.
+ /// These values are for x86-32 linux.
+
+ /// getTypeSizeInBits - Return the number of bits necessary to hold the
+ /// specified type. For example, returns 36 for i36 and 80 for x86_fp80.
+ uint64_t getTypeSizeInBits(const Type* Ty) const;
+
+ /// getTypeStoreSize - Return the maximum number of bytes that may be
+ /// overwritten by storing the specified type. For example, returns 5
+ /// for i36 and 10 for x86_fp80.
+ uint64_t getTypeStoreSize(const Type *Ty) const {
+ return (getTypeSizeInBits(Ty)+7)/8;
+ }
+
+ /// getTypeStoreSizeInBits - Return the maximum number of bits that may be
+ /// overwritten by storing the specified type; always a multiple of 8. For
+ /// example, returns 40 for i36 and 80 for x86_fp80.
+ uint64_t getTypeStoreSizeInBits(const Type *Ty) const {
+ return 8*getTypeStoreSize(Ty);
+ }
+
+ /// getTypeAllocSize - Return the offset in bytes between successive objects
+ /// of the specified type, including alignment padding. This is the amount
+ /// that alloca reserves for this type. For example, returns 12 or 16 for
+ /// x86_fp80, depending on alignment.
+ uint64_t getTypeAllocSize(const Type* Ty) const {
+ // Round up to the next alignment boundary.
+ return RoundUpAlignment(getTypeStoreSize(Ty), getABITypeAlignment(Ty));
+ }
+
+ /// getTypeAllocSizeInBits - Return the offset in bits between successive
+ /// objects of the specified type, including alignment padding; always a
+ /// multiple of 8. This is the amount that alloca reserves for this type.
+ /// For example, returns 96 or 128 for x86_fp80, depending on alignment.
+ uint64_t getTypeAllocSizeInBits(const Type* Ty) const {
+ return 8*getTypeAllocSize(Ty);
+ }
+
+ /// getABITypeAlignment - Return the minimum ABI-required alignment for the
+ /// specified type.
+ unsigned getABITypeAlignment(const Type *Ty) const;
+
+ /// getABIIntegerTypeAlignment - Return the minimum ABI-required alignment for
+ /// an integer type of the specified bitwidth.
+ unsigned getABIIntegerTypeAlignment(unsigned BitWidth) const;
+
+
+ /// getCallFrameTypeAlignment - Return the minimum ABI-required alignment
+ /// for the specified type when it is part of a call frame.
+ unsigned getCallFrameTypeAlignment(const Type *Ty) const;
+
+
+ /// getPrefTypeAlignment - Return the preferred stack/global alignment for
+ /// the specified type. This is always at least as good as the ABI alignment.
+ unsigned getPrefTypeAlignment(const Type *Ty) const;
+
+ /// getPreferredTypeAlignmentShift - Return the preferred alignment for the