[llvm] [nfc][InstrProf]Remove 'offsetOf' when parsing indexed profiles (PR #93346)

[Mingming Liu via llvm-commits]

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@@ -1627,19 +1627,12 @@ void OverlapStats::dump(raw_fd_ostream &OS) const {
 }
 
 namespace IndexedInstrProf {
-// A C++14 compatible version of the offsetof macro.
-template <typename T1, typename T2>
-inline size_t constexpr offsetOf(T1 T2::*Member) {
-  constexpr T2 Object{};
-  return size_t(&(Object.*Member)) - size_t(&Object);
-}
-
 // Read a uint64_t from the specified buffer offset, and swap the bytes in
-// native endianness if necessary.
-static inline uint64_t read(const unsigned char *Buffer, size_t Offset) {
+// native endianness if necessary. Increment the buffer past the read value.
+static inline uint64_t readNext(const unsigned char *&Buffer) {
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minglotus-6 wrote:

Removed this wrapper.

https://github.com/llvm/llvm-project/pull/93346