#include "llvm/Pass.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/DataTypes.h"
namespace llvm {
/// padding and make the structure slightly more cache friendly.
struct TargetAlignElem {
AlignTypeEnum AlignType : 8; //< Alignment type (AlignTypeEnum)
- unsigned char ABIAlign; //< ABI alignment for this type/bitw
- unsigned char PrefAlign; //< Pref. alignment for this type/bitw
+ unsigned ABIAlign; //< ABI alignment for this type/bitw
+ unsigned PrefAlign; //< Pref. alignment for this type/bitw
uint32_t TypeBitWidth; //< Type bit width
/// Initializer
- static TargetAlignElem get(AlignTypeEnum align_type, unsigned char abi_align,
- unsigned char pref_align, uint32_t bit_width);
+ static TargetAlignElem get(AlignTypeEnum align_type, unsigned abi_align,
+ unsigned pref_align, uint32_t bit_width);
/// Equality predicate
bool operator==(const TargetAlignElem &rhs) const;
};
class TargetData : public ImmutablePass {
private:
bool LittleEndian; ///< Defaults to false
- unsigned char PointerMemSize; ///< Pointer size in bytes
- unsigned char PointerABIAlign; ///< Pointer ABI alignment
- unsigned char PointerPrefAlign; ///< Pointer preferred alignment
+ unsigned PointerMemSize; ///< Pointer size in bytes
+ unsigned PointerABIAlign; ///< Pointer ABI alignment
+ unsigned PointerPrefAlign; ///< Pointer preferred alignment
SmallVector<unsigned char, 8> LegalIntWidths; ///< Legal Integers.
mutable void *LayoutMap;
//! Set/initialize target alignments
- void setAlignment(AlignTypeEnum align_type, unsigned char abi_align,
- unsigned char pref_align, uint32_t bit_width);
+ void setAlignment(AlignTypeEnum align_type, unsigned abi_align,
+ unsigned pref_align, uint32_t bit_width);
unsigned getAlignmentInfo(AlignTypeEnum align_type, uint32_t bit_width,
bool ABIAlign, const Type *Ty) const;
//! Internal helper method that returns requested alignment for type.
- unsigned char getAlignment(const Type *Ty, bool abi_or_pref) const;
+ unsigned getAlignment(const Type *Ty, bool abi_or_pref) const;
/// Valid alignment predicate.
///
/// Constructs a TargetData from a specification string. See init().
explicit TargetData(StringRef TargetDescription)
- : ImmutablePass(&ID) {
+ : ImmutablePass(ID) {
init(TargetDescription);
}
explicit TargetData(const Module *M);
TargetData(const TargetData &TD) :
- ImmutablePass(&ID),
+ ImmutablePass(ID),
LittleEndian(TD.isLittleEndian()),
PointerMemSize(TD.PointerMemSize),
PointerABIAlign(TD.PointerABIAlign),
}
/// Target pointer alignment
- unsigned char getPointerABIAlignment() const { return PointerABIAlign; }
+ unsigned getPointerABIAlignment() const { return PointerABIAlign; }
/// Return target's alignment for stack-based pointers
- unsigned char getPointerPrefAlignment() const { return PointerPrefAlign; }
+ unsigned getPointerPrefAlignment() const { return PointerPrefAlign; }
/// Target pointer size
- unsigned char getPointerSize() const { return PointerMemSize; }
+ unsigned getPointerSize() const { return PointerMemSize; }
/// Target pointer size, in bits
- unsigned char getPointerSizeInBits() const { return 8*PointerMemSize; }
+ unsigned getPointerSizeInBits() const { return 8*PointerMemSize; }
/// Size examples:
///
/// getABITypeAlignment - Return the minimum ABI-required alignment for the
/// specified type.
- unsigned char getABITypeAlignment(const Type *Ty) const;
+ 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 char getCallFrameTypeAlignment(const Type *Ty) const;
+ 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 char getPrefTypeAlignment(const Type *Ty) const;
+ unsigned getPrefTypeAlignment(const Type *Ty) const;
/// getPreferredTypeAlignmentShift - Return the preferred alignment for the
/// specified type, returned as log2 of the value (a shift amount).
///
- unsigned char getPreferredTypeAlignmentShift(const Type *Ty) const;
+ unsigned getPreferredTypeAlignmentShift(const Type *Ty) const;
/// getIntPtrType - Return an unsigned integer type that is the same size or
/// greater to the host pointer size.