Reapply "ADT: Shrink size of SmallVector by 8B on 64-bit platforms"
I'm optimistically reverting commit r337511, effectively reapplying
r337504 *without* changes.
The failing bots that had `SmallVector` in the backtrace recovered after
the unrelated commit r337508. The backtraces looked bogus anyway, with
`SmallVector::size()` calling (e.g.) `ConstantArray::get()`.
Here's the original commit message:
ADT: Shrink size of SmallVector by 8B on 64-bit platforms
Represent size and capacity directly as unsigned and calculate
`end()` using `begin() + size()`.
This limits the maximum size/capacity of a vector to UINT32_MAX.
https://reviews.llvm.org/D48518
llvm-svn: 337514
2 files changed