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23 const UTF8 *
const Begin8Const =
24 reinterpret_cast<const UTF8 *
>(Buffer.
begin());
25 const UTF8 *Begin8 = Begin8Const;
33 Buffer = Buffer.
drop_front(Begin8 - Begin8Const);
48 Begin8 - Storage.
begin());
55 if (
C == 0x130 ||
C == 0x131)
63 for (
unsigned char C : Buffer) {
64 H =
H * 33 + (
'A' <=
C &&
C <=
'Z' ?
C -
'A' +
'a' :
C);
65 AllASCII &=
C <= 0x7f;
76 std::array<UTF8, UNI_MAX_UTF8_BYTES_PER_CODE_POINT> Storage;
77 while (!Buffer.
empty()) {
This is an optimization pass for GlobalISel generic memory operations.
int foldCharSimple(int C)
Fold input unicode character according the Simple unicode case folding rules.
static UTF32 chopOneUTF32(StringRef &Buffer)
ConversionResult ConvertUTF32toUTF8(const UTF32 **sourceStart, const UTF32 *sourceEnd, UTF8 **targetStart, UTF8 *targetEnd, ConversionFlags flags)
MutableArrayRef - Represent a mutable reference to an array (0 or more elements consecutively in memo...
(vector float) vec_cmpeq(*A, *B) C
static StringRef toUTF8(UTF32 C, MutableArrayRef< UTF8 > Storage)
constexpr bool empty() const
empty - Check if the string is empty.
uint32_t caseFoldingDjbHash(StringRef Buffer, uint32_t H=5381)
Computes the Bernstein hash after folding the input according to the Dwarf 5 standard case folding ru...
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
ConversionResult ConvertUTF8toUTF32(const UTF8 **sourceStart, const UTF8 *sourceEnd, UTF32 **targetStart, UTF32 *targetEnd, ConversionFlags flags)
Convert a partial UTF8 sequence to UTF32.
static std::optional< uint32_t > fastCaseFoldingDjbHash(StringRef Buffer, uint32_t H)
StringRef - Represent a constant reference to a string, i.e.
static UTF32 foldCharDwarf(UTF32 C)
uint32_t djbHash(StringRef Buffer, uint32_t H=5381)
The Bernstein hash function used by the DWARF accelerator tables.
StringRef drop_front(size_t N=1) const
Return a StringRef equal to 'this' but with the first N elements dropped.